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• Wicked Little SEO Secret!

  You probably know, SEO (Search Engine Optimization) is one of the best ways to generate a lot traffic to your site every day. I came across this wicked SEO Secret and I gotta tell the dirty little secret...

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• Live CD works OK. Is it OK to assume a new install will work?

  - by ign

  I've got a Toshiba a505 laptop and tried the live CD with great results. However, I haven't found any reports on this PC working 100% OK on Ubuntu 10.10 yet. I do have seen (and tried installing myself) some reports that 10.04 didn't work (without some dirty hacking). In regular circumstances, is it OK to assume that a new install will work if the live CD works? Are there any tools I can run to check compatibility? Thanks!

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• ASA hairpining: I basicaly want to allow 2 spokes to be able to communicate with each other.

  - by Thirst4Knowledge

  ASA Spoke to Spoke Communication I have been looking at spke to spoke comms or "hairpining" for months and have posted on numerouse forums but to no avail. I have a Hub and spoke network where the HUB is an ASA Firewall version 8.2 * I basicaly want to allow 2 spokes to be able to communicate with each other. I think that I have got the concept of the ASA Config for example: same-security-traffic permit intra-interface access-list HQ-LAN extended permit ip ASA-LAN 255.255.248.0 HQ-LAN 255.255.255.0 access-list HQ-LAN extended permit ip 192.168.99.0 255.255.255.0 HQ-LAN 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 HQ-LAN 255.255.255.0 access-list no-nat extended permit ip HQ-LAN 255.255.255.0 192.168.99.0 255.255.255.0 access-list no-nat extended permit ip 192.168.99.0 255.255.255.0 HQ-LAN 255.255.255.0 I think my problem may be that the other spokes are not CIsco Firewalls and I need to work out how to do the alternative setups. I want to at least make sure that my firewall etup is correct then I can move onto the other spokes here is my config: Hostname ASA domain-name mydomain.com names ! interface Ethernet0/0 speed 100 duplex full nameif outside security-level 0 ip address 1.1.1.246 255.255.255.224 ! interface Ethernet0/1 speed 100 duplex full nameif inside security-level 100 ip address 192.168.240.33 255.255.255.224 ! interface Ethernet0/2 description DMZ VLAN-253 speed 100 duplex full nameif DMZ security-level 50 ip address 192.168.254.1 255.255.255.0 ! interface Ethernet0/3 no nameif no security-level no ip address ! boot system disk0:/asa821-k8.bin ftp mode passive clock timezone GMT/BST 0 dns server-group DefaultDNS domain-name mydomain.com same-security-traffic permit inter-interface same-security-traffic permit intra-interface object-group network ASA_LAN_Plus_HQ_LAN network-object ASA_LAN 255.255.248.0 network-object HQ-LAN 255.255.255.0 access-list outside_acl remark Exchange web access-list outside_acl extended permit tcp any host MS-Exchange_server-NAT eq https access-list outside_acl remark PPTP Encapsulation access-list outside_acl extended permit gre any host MS-ISA-Server-NAT access-list outside_acl remark PPTP access-list outside_acl extended permit tcp any host MS-ISA-Server-NAT eq pptp access-list outside_acl remark Intra Http access-list outside_acl extended permit tcp any host MS-ISA-Server-NAT eq www access-list outside_acl remark Intra Https access-list outside_acl extended permit tcp any host MS-ISA-Server-NAT eq https access-list outside_acl remark SSL Server-Https 443 access-list outside_acl remark Https 8443(Open VPN Custom port for SSLVPN client downlaod) access-list outside_acl remark FTP 20 access-list outside_acl remark Http access-list outside_acl extended permit tcp any host OpenVPN-Srvr-NAT object-group DM_INLINE_TCP_1 access-list outside_acl extended permit tcp any host OpenVPN-Srvr-NAT eq 8443 access-list outside_acl extended permit tcp any host OpenVPN-Srvr-NAT eq www access-list outside_acl remark For secure remote Managment-SSH access-list outside_acl extended permit tcp any host OpenVPN-Srvr-NAT eq ssh access-list outside_acl extended permit ip Genimage_Anyconnect 255.255.255.0 ASA_LAN 255.255.248.0 access-list ASP-Live remark Live ASP access-list ASP-Live extended permit ip ASA_LAN 255.255.248.0 192.168.60.0 255.255.255.0 access-list Bo remark Bo access-list Bo extended permit ip ASA_LAN 255.255.248.0 192.168.169.0 255.255.255.0 access-list Bill remark Bill access-list Bill extended permit ip ASA_LAN 255.255.248.0 Bill.15 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 Bill.5 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.149.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.160.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.165.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.144.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.140.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.152.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.153.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.163.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.157.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.167.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.156.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 North-Office-LAN 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.161.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.143.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.137.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.159.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 HQ-LAN 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.169.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.150.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.162.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.166.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.168.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.174.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.127.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.173.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.175.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.176.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.100.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 192.168.99.0 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 10.10.10.0 255.255.255.0 access-list no-nat extended permit ip host 192.168.240.34 Cisco-admin-LAN 255.255.255.0 access-list no-nat extended permit ip ASA_LAN 255.255.248.0 Genimage_Anyconnect 255.255.255.0 access-list no-nat extended permit ip host Tunnel-DC host HQ-SDSL-Peer access-list no-nat extended permit ip HQ-LAN 255.255.255.0 North-Office-LAN 255.255.255.0 access-list no-nat extended permit ip North-Office-LAN 255.255.255.0 HQ-LAN 255.255.255.0 access-list Car remark Car access-list Car extended permit ip ASA_LAN 255.255.248.0 192.168.165.0 255.255.255.0 access-list Che remark Che access-list Che extended permit ip ASA_LAN 255.255.248.0 192.168.144.0 255.255.255.0 access-list Chi remark Chi access-list Chi extended permit ip ASA_LAN 255.255.248.0 192.168.140.0 255.255.255.0 access-list Cla remark Cla access-list Cla extended permit ip ASA_LAN 255.255.248.0 192.168.152.0 255.255.255.0 access-list Eas remark Eas access-list Eas extended permit ip ASA_LAN 255.255.248.0 192.168.149.0 255.255.255.0 access-list Ess remark Ess access-list Ess extended permit ip ASA_LAN 255.255.248.0 192.168.153.0 255.255.255.0 access-list Gat remark Gat access-list Gat extended permit ip ASA_LAN 255.255.248.0 192.168.163.0 255.255.255.0 access-list Hud remark Hud access-list Hud extended permit ip ASA_LAN 255.255.248.0 192.168.157.0 255.255.255.0 access-list Ilk remark Ilk access-list Ilk extended permit ip ASA_LAN 255.255.248.0 192.168.167.0 255.255.255.0 access-list Ken remark Ken access-list Ken extended permit ip ASA_LAN 255.255.248.0 192.168.156.0 255.255.255.0 access-list North-Office remark North-Office access-list North-Office extended permit ip ASA_LAN 255.255.248.0 North-Office-LAN 255.255.255.0 access-list inside_acl remark Inside_ad access-list inside_acl extended permit ip any any access-list Old_HQ remark Old_HQ access-list Old_HQ extended permit ip ASA_LAN 255.255.248.0 HQ-LAN 255.255.255.0 access-list Old_HQ extended permit ip HQ-LAN 255.255.255.0 192.168.99.0 255.255.255.0 access-list She remark She access-list She extended permit ip ASA_LAN 255.255.248.0 192.168.150.0 255.255.255.0 access-list Lit remark Lit access-list Lit extended permit ip ASA_LAN 255.255.248.0 192.168.143.0 255.255.255.0 access-list Mid remark Mid access-list Mid extended permit ip ASA_LAN 255.255.248.0 192.168.137.0 255.255.255.0 access-list Spi remark Spi access-list Spi extended permit ip ASA_LAN 255.255.248.0 192.168.162.0 255.255.255.0 access-list Tor remark Tor access-list Tor extended permit ip ASA_LAN 255.255.248.0 192.168.166.0 255.255.255.0 access-list Tra remark Tra access-list Tra extended permit ip ASA_LAN 255.255.248.0 192.168.168.0 255.255.255.0 access-list Tru remark Tru access-list Tru extended permit ip ASA_LAN 255.255.248.0 192.168.174.0 255.255.255.0 access-list Yo remark Yo access-list Yo extended permit ip ASA_LAN 255.255.248.0 192.168.127.0 255.255.255.0 access-list Nor remark Nor access-list Nor extended permit ip ASA_LAN 255.255.248.0 192.168.159.0 255.255.255.0 access-list Nor extended permit ip ASA_LAN 255.255.248.0 192.168.173.0 255.255.255.0 inactive access-list ST remark ST access-list ST extended permit ip ASA_LAN 255.255.248.0 192.168.175.0 255.255.255.0 access-list Le remark Le access-list Le extended permit ip ASA_LAN 255.255.248.0 192.168.161.0 255.255.255.0 access-list DMZ-ACL remark DMZ access-list DMZ-ACL extended permit ip host OpenVPN-Srvr any access-list no-nat-dmz remark DMZ -No Nat access-list no-nat-dmz extended permit ip 192.168.250.0 255.255.255.0 HQ-LAN 255.255.255.0 access-list Split_Tunnel_List remark ASA-LAN access-list Split_Tunnel_List standard permit ASA_LAN 255.255.248.0 access-list Split_Tunnel_List standard permit Genimage_Anyconnect 255.255.255.0 access-list outside_cryptomap_30 remark Po access-list outside_cryptomap_30 extended permit ip ASA_LAN 255.255.248.0 Po 255.255.255.0 access-list outside_cryptomap_24 extended permit ip ASA_LAN 255.255.248.0 192.168.100.0 255.255.255.0 access-list outside_cryptomap_16 extended permit ip ASA_LAN 255.255.248.0 192.168.99.0 255.255.255.0 access-list outside_cryptomap_34 extended permit ip ASA_LAN 255.255.248.0 10.10.10.0 255.255.255.0 access-list outside_31_cryptomap extended permit ip host 192.168.240.34 Cisco-admin-LAN 255.255.255.0 access-list outside_32_cryptomap extended permit ip host Tunnel-DC host HQ-SDSL-Peer access-list Genimage_VPN_Any_connect_pix_client remark Genimage "Any Connect" VPN access-list Genimage_VPN_Any_connect_pix_client standard permit Genimage_Anyconnect 255.255.255.0 access-list Split-Tunnel-ACL standard permit ASA_LAN 255.255.248.0 access-list nonat extended permit ip HQ-LAN 255.255.255.0 192.168.99.0 255.255.255.0 pager lines 24 logging enable logging timestamp logging console notifications logging monitor notifications logging buffered warnings logging asdm informational no logging message 106015 no logging message 313001 no logging message 313008 no logging message 106023 no logging message 710003 no logging message 106100 no logging message 302015 no logging message 302014 no logging message 302013 no logging message 302018 no logging message 302017 no logging message 302016 no logging message 302021 no logging message 302020 flow-export destination inside MS-ISA-Server 2055 flow-export destination outside 192.168.130.126 2055 flow-export template timeout-rate 1 flow-export delay flow-create 15 mtu outside 1500 mtu inside 1500 mtu DMZ 1500 mtu management 1500 ip local pool RAS-VPN 10.0.0.1.1-10.0.0.1.254 mask 255.255.255.255 icmp unreachable rate-limit 1 burst-size 1 icmp permit any unreachable outside icmp permit any echo outside icmp permit any echo-reply outside icmp permit any outside icmp permit any echo inside icmp permit any echo-reply inside icmp permit any echo DMZ icmp permit any echo-reply DMZ asdm image disk0:/asdm-621.bin no asdm history enable arp timeout 14400 nat-control global (outside) 1 interface global (inside) 1 interface nat (inside) 0 access-list no-nat nat (inside) 1 0.0.0.0 0.0.0.0 nat (DMZ) 0 access-list no-nat-dmz static (inside,outside) MS-ISA-Server-NAT MS-ISA-Server netmask 255.255.255.255 static (DMZ,outside) OpenVPN-Srvr-NAT OpenVPN-Srvr netmask 255.255.255.255 static (inside,outside) MS-Exchange_server-NAT MS-Exchange_server netmask 255.255.255.255 access-group outside_acl in interface outside access-group inside_acl in interface inside access-group DMZ-ACL in interface DMZ route outside 0.0.0.0 0.0.0.0 1.1.1.225 1 route inside 10.10.10.0 255.255.255.0 192.168.240.34 1 route outside Genimage_Anyconnect 255.255.255.0 1.1.1.225 1 route inside Open-VPN 255.255.248.0 OpenVPN-Srvr 1 route inside HQledon-Voice-LAN 255.255.255.0 192.168.240.34 1 route outside Bill 255.255.255.0 1.1.1.225 1 route outside Yo 255.255.255.0 1.1.1.225 1 route inside 192.168.129.0 255.255.255.0 192.168.240.34 1 route outside HQ-LAN 255.255.255.0 1.1.1.225 1 route outside Mid 255.255.255.0 1.1.1.225 1 route outside 192.168.140.0 255.255.255.0 1.1.1.225 1 route outside 192.168.143.0 255.255.255.0 1.1.1.225 1 route outside 192.168.144.0 255.255.255.0 1.1.1.225 1 route outside 192.168.149.0 255.255.255.0 1.1.1.225 1 route outside 192.168.152.0 255.255.255.0 1.1.1.225 1 route outside 192.168.153.0 255.255.255.0 1.1.1.225 1 route outside North-Office-LAN 255.255.255.0 1.1.1.225 1 route outside 192.168.156.0 255.255.255.0 1.1.1.225 1 route outside 192.168.157.0 255.255.255.0 1.1.1.225 1 route outside 192.168.159.0 255.255.255.0 1.1.1.225 1 route outside 192.168.160.0 255.255.255.0 1.1.1.225 1 route outside 192.168.161.0 255.255.255.0 1.1.1.225 1 route outside 192.168.162.0 255.255.255.0 1.1.1.225 1 route outside 192.168.163.0 255.255.255.0 1.1.1.225 1 route outside 192.168.165.0 255.255.255.0 1.1.1.225 1 route outside 192.168.166.0 255.255.255.0 1.1.1.225 1 route outside 192.168.167.0 255.255.255.0 1.1.1.225 1 route outside 192.168.168.0 255.255.255.0 1.1.1.225 1 route outside 192.168.173.0 255.255.255.0 1.1.1.225 1 route outside 192.168.174.0 255.255.255.0 1.1.1.225 1 route outside 192.168.175.0 255.255.255.0 1.1.1.225 1 route outside 192.168.99.0 255.255.255.0 1.1.1.225 1 route inside ASA_LAN 255.255.255.0 192.168.240.34 1 route inside 192.168.124.0 255.255.255.0 192.168.240.34 1 route inside 192.168.50.0 255.255.255.0 192.168.240.34 1 route inside 192.168.51.0 255.255.255.128 192.168.240.34 1 route inside 192.168.240.0 255.255.255.224 192.168.240.34 1 route inside 192.168.240.164 255.255.255.224 192.168.240.34 1 route inside 192.168.240.196 255.255.255.224 192.168.240.34 1 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute timeout tcp-proxy-reassembly 0:01:00 dynamic-access-policy-record DfltAccessPolicy aaa-server vpn protocol radius max-failed-attempts 5 aaa-server vpn (inside) host 192.168.X.2 timeout 60 key a5a53r3t authentication-port 1812 radius-common-pw a5a53r3t aaa authentication ssh console LOCAL aaa authentication http console LOCAL http server enable http 0.0.0.0 0.0.0.0 inside http 1.1.1.2 255.255.255.255 outside http 1.1.1.234 255.255.255.255 outside http 0.0.0.0 0.0.0.0 management http 1.1.100.198 255.255.255.255 outside http 0.0.0.0 0.0.0.0 outside crypto map FW_Outside_map 1 match address Bill crypto map FW_Outside_map 1 set peer x.x.x.121 crypto map FW_Outside_map 1 set transform-set SECURE crypto map FW_Outside_map 2 match address Bo crypto map FW_Outside_map 2 set peer x.x.x.202 crypto map FW_Outside_map 2 set transform-set SECURE crypto map FW_Outside_map 3 match address ASP-Live crypto map FW_Outside_map 3 set peer x.x.x.113 crypto map FW_Outside_map 3 set transform-set SECURE crypto map FW_Outside_map 4 match address Car crypto map FW_Outside_map 4 set peer x.x.x.205 crypto map FW_Outside_map 4 set transform-set SECURE crypto map FW_Outside_map 5 match address Old_HQ crypto map FW_Outside_map 5 set peer x.x.x.2 crypto map FW_Outside_map 5 set transform-set SECURE WG crypto map FW_Outside_map 6 match address Che crypto map FW_Outside_map 6 set peer x.x.x.204 crypto map FW_Outside_map 6 set transform-set SECURE crypto map FW_Outside_map 7 match address Chi crypto map FW_Outside_map 7 set peer x.x.x.212 crypto map FW_Outside_map 7 set transform-set SECURE crypto map FW_Outside_map 8 match address Cla crypto map FW_Outside_map 8 set peer x.x.x.215 crypto map FW_Outside_map 8 set transform-set SECURE crypto map FW_Outside_map 9 match address Eas crypto map FW_Outside_map 9 set peer x.x.x.247 crypto map FW_Outside_map 9 set transform-set SECURE crypto map FW_Outside_map 10 match address Ess crypto map FW_Outside_map 10 set peer x.x.x.170 crypto map FW_Outside_map 10 set transform-set SECURE crypto map FW_Outside_map 11 match address Hud crypto map FW_Outside_map 11 set peer x.x.x.8 crypto map FW_Outside_map 11 set transform-set SECURE crypto map FW_Outside_map 12 match address Gat crypto map FW_Outside_map 12 set peer x.x.x.212 crypto map FW_Outside_map 12 set transform-set SECURE crypto map FW_Outside_map 13 match address Ken crypto map FW_Outside_map 13 set peer x.x.x.230 crypto map FW_Outside_map 13 set transform-set SECURE crypto map FW_Outside_map 14 match address She crypto map FW_Outside_map 14 set peer x.x.x.24 crypto map FW_Outside_map 14 set transform-set SECURE crypto map FW_Outside_map 15 match address North-Office crypto map FW_Outside_map 15 set peer x.x.x.94 crypto map FW_Outside_map 15 set transform-set SECURE crypto map FW_Outside_map 16 match address outside_cryptomap_16 crypto map FW_Outside_map 16 set peer x.x.x.134 crypto map FW_Outside_map 16 set transform-set SECURE crypto map FW_Outside_map 16 set security-association lifetime seconds crypto map FW_Outside_map 17 match address Lit crypto map FW_Outside_map 17 set peer x.x.x.110 crypto map FW_Outside_map 17 set transform-set SECURE crypto map FW_Outside_map 18 match address Mid crypto map FW_Outside_map 18 set peer 78.x.x.110 crypto map FW_Outside_map 18 set transform-set SECURE crypto map FW_Outside_map 19 match address Sp crypto map FW_Outside_map 19 set peer x.x.x.47 crypto map FW_Outside_map 19 set transform-set SECURE crypto map FW_Outside_map 20 match address Tor crypto map FW_Outside_map 20 set peer x.x.x.184 crypto map FW_Outside_map 20 set transform-set SECURE crypto map FW_Outside_map 21 match address Tr crypto map FW_Outside_map 21 set peer x.x.x.75 crypto map FW_Outside_map 21 set transform-set SECURE crypto map FW_Outside_map 22 match address Yo crypto map FW_Outside_map 22 set peer x.x.x.40 crypto map FW_Outside_map 22 set transform-set SECURE crypto map FW_Outside_map 23 match address Tra crypto map FW_Outside_map 23 set peer x.x.x.145 crypto map FW_Outside_map 23 set transform-set SECURE crypto map FW_Outside_map 24 match address outside_cryptomap_24 crypto map FW_Outside_map 24 set peer x.x.x.46 crypto map FW_Outside_map 24 set transform-set SECURE crypto map FW_Outside_map 24 set security-association lifetime seconds crypto map FW_Outside_map 25 match address Nor crypto map FW_Outside_map 25 set peer x.x.x.70 crypto map FW_Outside_map 25 set transform-set SECURE crypto map FW_Outside_map 26 match address Ilk crypto map FW_Outside_map 26 set peer x.x.x.65 crypto map FW_Outside_map 26 set transform-set SECURE crypto map FW_Outside_map 27 match address Nor crypto map FW_Outside_map 27 set peer x.x.x.240 crypto map FW_Outside_map 27 set transform-set SECURE crypto map FW_Outside_map 28 match address ST crypto map FW_Outside_map 28 set peer x.x.x.163 crypto map FW_Outside_map 28 set transform-set SECURE crypto map FW_Outside_map 28 set security-association lifetime seconds crypto map FW_Outside_map 28 set security-association lifetime kilobytes crypto map FW_Outside_map 29 match address Lei crypto map FW_Outside_map 29 set peer x.x.x.4 crypto map FW_Outside_map 29 set transform-set SECURE crypto map FW_Outside_map 30 match address outside_cryptomap_30 crypto map FW_Outside_map 30 set peer x.x.x.34 crypto map FW_Outside_map 30 set transform-set SECURE crypto map FW_Outside_map 31 match address outside_31_cryptomap crypto map FW_Outside_map 31 set pfs crypto map FW_Outside_map 31 set peer Cisco-admin-Peer crypto map FW_Outside_map 31 set transform-set ESP-AES-256-SHA crypto map FW_Outside_map 32 match address outside_32_cryptomap crypto map FW_Outside_map 32 set pfs crypto map FW_Outside_map 32 set peer HQ-SDSL-Peer crypto map FW_Outside_map 32 set transform-set ESP-AES-256-SHA crypto map FW_Outside_map 34 match address outside_cryptomap_34 crypto map FW_Outside_map 34 set peer x.x.x.246 crypto map FW_Outside_map 34 set transform-set ESP-AES-128-SHA ESP-AES-192-SHA ESP-AES-256-SHA crypto map FW_Outside_map 65535 ipsec-isakmp dynamic dynmap crypto map FW_Outside_map interface outside crypto map FW_outside_map 31 set peer x.x.x.45 crypto isakmp identity address crypto isakmp enable outside crypto isakmp policy 9 webvpn enable outside svc enable group-policy ASA-LAN-VPN internal group-policy ASA_LAN-VPN attributes wins-server value 192.168.x.1 192.168.x.2 dns-server value 192.168.x.1 192.168.x.2 vpn-tunnel-protocol IPSec svc split-tunnel-policy tunnelspecified split-tunnel-network-list value Split-Tunnel-ACL default-domain value MYdomain username xxxxxxxxxx password privilege 15 tunnel-group DefaultRAGroup ipsec-attributes isakmp keepalive threshold 30 retry 2 tunnel-group DefaultWEBVPNGroup ipsec-attributes isakmp keepalive threshold 30 retry 2 tunnel-group x.x.x.121 type ipsec-l2l tunnel-group x.x.x..121 ipsec-attributes pre-shared-key * isakmp keepalive threshold 30 retry 2 tunnel-group x.x.x.202 type ipsec-l2l tunnel-group x.x.x.202 ipsec-attributes pre-shared-key * isakmp keepalive threshold 30 retry 2 tunnel-group x.x.x.113 type ipsec-l2l tunnel-group x.x.x.113 ipsec-attributes pre-shared-key * isakmp keepalive threshold 30 retry 2 tunnel-group x.x.x.205 type ipsec-l2l tunnel-group x.x.x.205 ipsec-attributes pre-shared-key * isakmp keepalive threshold 30 retry 2 tunnel-group x.x.x.204 type ipsec-l2l tunnel-group x.x.x.204 ipsec-attributes pre-shared-key * isakmp keepalive threshold 30 retry 2 tunnel-group x.x.x.212 type ipsec-l2l tunnel-group x.x.x.212 ipsec-attributes pre-shared-key * tunnel-group x.x.x.215 type ipsec-l2l tunnel-group x.x.x.215 ipsec-attributes pre-shared-key * tunnel-group x.x.x.247 type ipsec-l2l tunnel-group x.x.x.247 ipsec-attributes pre-shared-key * tunnel-group x.x.x.170 type ipsec-l2l tunnel-group x.x.x.170 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x..8 type ipsec-l2l tunnel-group x.x.x.8 ipsec-attributes pre-shared-key * tunnel-group x.x.x.212 type ipsec-l2l tunnel-group x.x.x.212 ipsec-attributes pre-shared-key * tunnel-group x.x.x.230 type ipsec-l2l tunnel-group x.x.x.230 ipsec-attributes pre-shared-key * tunnel-group x.x.x.24 type ipsec-l2l tunnel-group x.x.x.24 ipsec-attributes pre-shared-key * tunnel-group x.x.x.46 type ipsec-l2l tunnel-group x.x.x.46 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x.4 type ipsec-l2l tunnel-group x.x.x.4 ipsec-attributes pre-shared-key * tunnel-group x.x.x.110 type ipsec-l2l tunnel-group x.x.x.110 ipsec-attributes pre-shared-key * tunnel-group 78.x.x.110 type ipsec-l2l tunnel-group 78.x.x.110 ipsec-attributes pre-shared-key * tunnel-group x.x.x.47 type ipsec-l2l tunnel-group x.x.x.47 ipsec-attributes pre-shared-key * tunnel-group x.x.x.34 type ipsec-l2l tunnel-group x.x.x.34 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x..129 type ipsec-l2l tunnel-group x.x.x.129 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x.94 type ipsec-l2l tunnel-group x.x.x.94 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x.40 type ipsec-l2l tunnel-group x.x.x.40 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x.65 type ipsec-l2l tunnel-group x.x.x.65 ipsec-attributes pre-shared-key * tunnel-group x.x.x.70 type ipsec-l2l tunnel-group x.x.x.70 ipsec-attributes pre-shared-key * tunnel-group x.x.x.134 type ipsec-l2l tunnel-group x.x.x.134 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x.163 type ipsec-l2l tunnel-group x.x.x.163 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x.2 type ipsec-l2l tunnel-group x.x.x.2 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group ASA-LAN-VPN type remote-access tunnel-group ASA-LAN-VPN general-attributes address-pool RAS-VPN authentication-server-group vpn authentication-server-group (outside) vpn default-group-policy ASA-LAN-VPN tunnel-group ASA-LAN-VPN ipsec-attributes pre-shared-key * tunnel-group x.x.x.184 type ipsec-l2l tunnel-group x.x.x.184 ipsec-attributes pre-shared-key * tunnel-group x.x.x.145 type ipsec-l2l tunnel-group x.x.x.145 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x.75 type ipsec-l2l tunnel-group x.x.x.75 ipsec-attributes pre-shared-key * tunnel-group x.x.x.246 type ipsec-l2l tunnel-group x.x.x.246 ipsec-attributes pre-shared-key * isakmp keepalive disable tunnel-group x.x.x.2 type ipsec-l2l tunnel-group x.x.x..2 ipsec-attributes pre-shared-key * tunnel-group x.x.x.98 type ipsec-l2l tunnel-group x.x.x.98 ipsec-attributes pre-shared-key * ! ! ! policy-map global_policy description Netflow class class-default flow-export event-type all destination MS-ISA-Server policy-map type inspect dns migrated_dns_map_1 parameters message-length maximum 512 Anyone have a clue because Im on the verge of going postal.....

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• Linux e1000e (Intel networking driver) problems galore, where do I start?

  - by Evan Carroll

  I'm currently having a major problem with e1000e (not working at all) in Ubuntu Maverick (1.0.2-k4), after resume I'm getting a lot of stuff in dmesg: [ 9085.820197] e1000e 0000:02:00.0: PCI INT A disabled [ 9089.907756] e1000e: Intel(R) PRO/1000 Network Driver - 1.0.2-k4 [ 9089.907762] e1000e: Copyright (c) 1999 - 2009 Intel Corporation. [ 9089.907797] e1000e 0000:02:00.0: Disabling ASPM L1 [ 9089.907827] e1000e 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 9089.907857] e1000e 0000:02:00.0: setting latency timer to 64 [ 9089.908529] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9089.908922] e1000e 0000:02:00.0: Disabling ASPM L0s [ 9089.908954] e1000e 0000:02:00.0: (unregistered net_device): PHY reset is blocked due to SOL/IDER session. [ 9090.024625] e1000e 0000:02:00.0: eth0: (PCI Express:2.5GB/s:Width x1) 00:0a:e4:3e:ce:74 [ 9090.024630] e1000e 0000:02:00.0: eth0: Intel(R) PRO/1000 Network Connection [ 9090.024712] e1000e 0000:02:00.0: eth0: MAC: 2, PHY: 2, PBA No: 005302-003 [ 9090.109492] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9090.164219] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X and, a bunch of [ 2128.005447] e1000e 0000:02:00.0: eth0: Detected Hardware Unit Hang: [ 2128.005452] TDH <89> [ 2128.005454] TDT <27> [ 2128.005456] next_to_use <27> [ 2128.005458] next_to_clean <88> [ 2128.005460] buffer_info[next_to_clean]: [ 2128.005463] time_stamp <6e608> [ 2128.005465] next_to_watch <8a> [ 2128.005467] jiffies <6f929> [ 2128.005469] next_to_watch.status <0> [ 2128.005471] MAC Status <80080703> [ 2128.005473] PHY Status <796d> [ 2128.005475] PHY 1000BASE-T Status <4000> [ 2128.005477] PHY Extended Status <3000> [ 2128.005480] PCI Status <10> I decided to compile the latest stable e1000e to 1.2.17, now I'm getting: [ 9895.678050] e1000e: Intel(R) PRO/1000 Network Driver - 1.2.17-NAPI [ 9895.678055] e1000e: Copyright(c) 1999 - 2010 Intel Corporation. [ 9895.678098] e1000e 0000:02:00.0: Disabling ASPM L1 [ 9895.678129] e1000e 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 9895.678162] e1000e 0000:02:00.0: setting latency timer to 64 [ 9895.679136] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9895.679160] e1000e 0000:02:00.0: Disabling ASPM L0s [ 9895.679192] e1000e 0000:02:00.0: (unregistered net_device): PHY reset is blocked due to SOL/IDER session. [ 9895.791758] e1000e 0000:02:00.0: eth0: (PCI Express:2.5GB/s:Width x1) 00:0a:e4:3e:ce:74 [ 9895.791766] e1000e 0000:02:00.0: eth0: Intel(R) PRO/1000 Network Connection [ 9895.791850] e1000e 0000:02:00.0: eth0: MAC: 3, PHY: 2, PBA No: 005302-003 [ 9895.892464] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9895.948175] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9895.949111] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 9895.954694] e1000e: eth0 NIC Link is Up 10 Mbps Full Duplex, Flow Control: RX/TX [ 9895.954703] e1000e 0000:02:00.0: eth0: 10/100 speed: disabling TSO [ 9895.955157] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 9906.832056] eth0: no IPv6 routers present With 1.2.20 I get: [ 9711.525465] e1000e: Intel(R) PRO/1000 Network Driver - 1.2.20-NAPI [ 9711.525472] e1000e: Copyright(c) 1999 - 2010 Intel Corporation. [ 9711.525521] e1000e 0000:02:00.0: Disabling ASPM L1 [ 9711.525554] e1000e 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 9711.525586] e1000e 0000:02:00.0: setting latency timer to 64 [ 9711.526460] e1000e 0000:02:00.0: irq 45 for MSI/MSI-X [ 9711.526487] e1000e 0000:02:00.0: Disabling ASPM L0s [ 9711.526523] e1000e 0000:02:00.0: (unregistered net_device): PHY reset is blocked due to SOL/IDER session. [ 9711.639763] e1000e 0000:02:00.0: eth0: (PCI Express:2.5GB/s:Width x1) 00:0a:e4:3e:ce:74 [ 9711.639771] e1000e 0000:02:00.0: eth0: Intel(R) PRO/1000 Network Connection [ 9711.639854] e1000e 0000:02:00.0: eth0: MAC: 3, PHY: 2, PBA No: 005302-003 [ 9712.060770] e1000e 0000:02:00.0: irq 45 for MSI/MSI-X [ 9712.116195] e1000e 0000:02:00.0: irq 45 for MSI/MSI-X [ 9712.117098] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 9712.122684] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX [ 9712.122693] e1000e 0000:02:00.0: eth0: 10/100 speed: disabling TSO [ 9712.123142] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 9722.920014] eth0: no IPv6 routers present But, I'm still getting these [ 9982.992851] PCI Status <10> [ 9984.993602] e1000e 0000:02:00.0: eth0: Detected Hardware Unit Hang: [ 9984.993606] TDH <5d> [ 9984.993608] TDT <6b> [ 9984.993611] next_to_use <6b> [ 9984.993613] next_to_clean <5b> [ 9984.993615] buffer_info[next_to_clean]: [ 9984.993617] time_stamp <24da80> [ 9984.993619] next_to_watch <5d> [ 9984.993621] jiffies <24f200> [ 9984.993624] next_to_watch.status <0> [ 9984.993626] MAC Status <80080703> [ 9984.993628] PHY Status <796d> [ 9984.993630] PHY 1000BASE-T Status <4000> [ 9984.993632] PHY Extended Status <3000> [ 9984.993635] PCI Status <10> [ 9986.001047] e1000e 0000:02:00.0: eth0: Reset adapter [ 9986.176202] e1000e: eth0 NIC Link is Up 10 Mbps Full Duplex, Flow Control: RX/TX [ 9986.176211] e1000e 0000:02:00.0: eth0: 10/100 speed: disabling TSO I'm not sure where to start troubleshooting this. Any ideas? Here is the result of ethtool -d eth0 MAC Registers ------------- 0x00000: CTRL (Device control register) 0x18100248 Endian mode (buffers): little Link reset: reset Set link up: 1 Invert Loss-Of-Signal: no Receive flow control: enabled Transmit flow control: enabled VLAN mode: disabled Auto speed detect: disabled Speed select: 1000Mb/s Force speed: no Force duplex: no 0x00008: STATUS (Device status register) 0x80080703 Duplex: full Link up: link config TBI mode: disabled Link speed: 10Mb/s Bus type: PCI Express Port number: 0 0x00100: RCTL (Receive control register) 0x04048002 Receiver: enabled Store bad packets: disabled Unicast promiscuous: disabled Multicast promiscuous: disabled Long packet: disabled Descriptor minimum threshold size: 1/2 Broadcast accept mode: accept VLAN filter: enabled Canonical form indicator: disabled Discard pause frames: filtered Pass MAC control frames: don't pass Receive buffer size: 2048 0x02808: RDLEN (Receive desc length) 0x00001000 0x02810: RDH (Receive desc head) 0x00000001 0x02818: RDT (Receive desc tail) 0x000000F0 0x02820: RDTR (Receive delay timer) 0x00000000 0x00400: TCTL (Transmit ctrl register) 0x3103F0FA Transmitter: enabled Pad short packets: enabled Software XOFF Transmission: disabled Re-transmit on late collision: enabled 0x03808: TDLEN (Transmit desc length) 0x00001000 0x03810: TDH (Transmit desc head) 0x00000000 0x03818: TDT (Transmit desc tail) 0x00000000 0x03820: TIDV (Transmit delay timer) 0x00000008 PHY type: IGP2 and ethtool -c eth0 Coalesce parameters for eth0: Adaptive RX: off TX: off stats-block-usecs: 0 sample-interval: 0 pkt-rate-low: 0 pkt-rate-high: 0 rx-usecs: 3 rx-frames: 0 rx-usecs-irq: 0 rx-frames-irq: 0 tx-usecs: 0 tx-frames: 0 tx-usecs-irq: 0 tx-frames-irq: 0 rx-usecs-low: 0 rx-frame-low: 0 tx-usecs-low: 0 tx-frame-low: 0 rx-usecs-high: 0 rx-frame-high: 0 tx-usecs-high: 0 tx-frame-high: 0 Here is also the lspci -vvv for this controller 02:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet Controller Subsystem: Lenovo ThinkPad X60s Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 45 Region 0: Memory at ee000000 (32-bit, non-prefetchable) [size=128K] Region 2: I/O ports at 2000 [size=32] Capabilities: [c8] Power Management version 2 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME- Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ Address: 00000000fee0300c Data: 415a Capabilities: [e0] Express (v1) Endpoint, MSI 00 DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset- DevCtl: Report errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <128ns, L1 <64us ClockPM+ Surprise- LLActRep- BwNot- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+ ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- Capabilities: [100 v1] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- AERCap: First Error Pointer: 14, GenCap- CGenEn- ChkCap- ChkEn- Capabilities: [140 v1] Device Serial Number 00-0a-e4-ff-ff-3e-ce-74 Kernel driver in use: e1000e Kernel modules: e1000e I filed a bug on this upstream, still no idea how to get more useful information. Here is a the result of the running that script EEPROM FIX UPDATE $ sudo bash fixeep-82573-dspd.sh eth0 eth0: is a "82573L Gigabit Ethernet Controller" This fixup is applicable to your hardware Your eeprom is up to date, no changes were made Do I still need to do anything? Also here is my EEPROM dump $ sudo ethtool -e eth0 Offset Values ------ ------ 0x0000 00 0a e4 3e ce 74 30 0b b2 ff 51 00 ff ff ff ff 0x0010 53 00 03 02 6b 02 7e 20 aa 17 9a 10 86 80 df 80 0x0020 00 00 00 20 54 7e 00 00 14 00 da 00 04 00 00 27 0x0030 c9 6c 50 31 3e 07 0b 04 8b 29 00 00 00 f0 02 0f 0x0040 08 10 00 00 04 0f ff 7f 01 4d ff ff ff ff ff ff 0x0050 14 00 1d 00 14 00 1d 00 af aa 1e 00 00 00 1d 00 0x0060 00 01 00 40 1f 12 07 40 ff ff ff ff ff ff ff ff 0x0070 ff ff ff ff ff ff ff ff ff ff ff ff ff ff 4a e0 I'd also like to note that I used eth0 every day for years and until recently never had an issue.

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• Linux bizarre memory report

  - by Igor Liner

  I took the following meminfo captures. I don't figure out how the free memory went from 8GB to almost 25GB, when only about 4GB of slab was freed. There was no change of the proccess memory consumption on time the meminfo output was taken. First meminfo with 8GB free memory: MemTotal: 66054256 kB MemFree: 8344960 kB Buffers: 1120 kB Cached: 30172312 kB SwapCached: 0 kB Active: 10795428 kB Inactive: 1914512 kB Active(anon): 10193124 kB Inactive(anon): 1441288 kB Active(file): 602304 kB Inactive(file): 473224 kB Unevictable: 26348912 kB Mlocked: 26348960 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 8886304 kB Mapped: 26383052 kB Shmem: 29097904 kB Slab: 6006384 kB SReclaimable: 3512404 kB SUnreclaim: 2493980 kB KernelStack: 15240 kB PageTables: 78724 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 33027128 kB Committed_AS: 44446908 kB VmallocTotal: 34359738367 kB VmallocUsed: 426656 kB VmallocChunk: 34325375716 kB HardwareCorrupted: 0 kB AnonHugePages: 7696384 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 6144 kB DirectMap2M: 2058240 kB DirectMap1G: 65011712 kB Second memory capture with almost 25GB free memory: MemTotal: 66054256 kB MemFree: 24949116 kB Buffers: 1120 kB Cached: 29085016 kB SwapCached: 0 kB Active: 10168904 kB Inactive: 1461156 kB Active(anon): 10168216 kB Inactive(anon): 1441956 kB Active(file): 688 kB Inactive(file): 19200 kB Unevictable: 26317328 kB Mlocked: 26317376 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 8861224 kB Mapped: 26351488 kB Shmem: 29066248 kB Slab: 1503440 kB SReclaimable: 232880 kB SUnreclaim: 1270560 kB KernelStack: 15256 kB PageTables: 79664 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 33027128 kB Committed_AS: 44418280 kB VmallocTotal: 34359738367 kB VmallocUsed: 426656 kB VmallocChunk: 34325375716 kB HardwareCorrupted: 0 kB AnonHugePages: 7665664 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 6144 kB DirectMap2M: 2058240 kB DirectMap1G: 65011712 kB

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• Slow filesystem access

  - by danneh3826

  I'm trying to diagnose a slow filesystem issue on a server I look after. It's been ongoing for quite some time, and I've run out of ideas as to what I can try. Here's the thick of it. The server itself is a Dell Poweredge T310. It has 4 SAS hard drives in it, configured at RAID5, and is running Citrix XenServer 5.6. The VM is a (relatively) old Debian 5.0.6 installation. It's given 4 cores, and 4Gb's of RAM. It has 3 volumes. A 10Gb volume (ext3) for the system, 980Gb volume (xfs) for data (~94% full), and another 200Gb volume (xfs) for data (~13% full). Now here's the weird thing. Read/write access to the 980Gb volume is really slow. I might get 5Mb/s out of it if I'm lucky. At first I figured it was actually disk access in the system, or at a hypervisor level, but ruled that out entirely as other VMs on the same host are running perfectly fine (a good couple hundred Mb/s disk r/w access). So then I started to target this particular VM. I started thinking it was XFS, but to prove it I wasn't going to attempt to change the filesystem on the 980Gb drive, with years and years of billions of files on there. So I provisioned the 200Gb drive, and did the same read/write test (basically dd), and got a good couple hundred Mb/s r/w access to it. So that ruled out the VM, the hardware, and the filesystem type. There's also a lot of these in /var/log/kern.log; (sorry, this is quite long) Sep 4 10:16:59 uriel kernel: [32571790.564689] httpd: page allocation failure. order:5, mode:0x4020 Sep 4 10:16:59 uriel kernel: [32571790.564693] Pid: 7318, comm: httpd Not tainted 2.6.32-4-686-bigmem #1 Sep 4 10:16:59 uriel kernel: [32571790.564696] Call Trace: Sep 4 10:16:59 uriel kernel: [32571790.564705] [<c1092a4d>] ? __alloc_pages_nodemask+0x476/0x4e0 Sep 4 10:16:59 uriel kernel: [32571790.564711] [<c1092ac3>] ? __get_free_pages+0xc/0x17 Sep 4 10:16:59 uriel kernel: [32571790.564716] [<c10b632e>] ? __kmalloc+0x30/0x128 Sep 4 10:16:59 uriel kernel: [32571790.564722] [<c11dd774>] ? pskb_expand_head+0x4f/0x157 Sep 4 10:16:59 uriel kernel: [32571790.564727] [<c11ddbbf>] ? __pskb_pull_tail+0x41/0x1fb Sep 4 10:16:59 uriel kernel: [32571790.564732] [<c11e4882>] ? dev_queue_xmit+0xe4/0x38e Sep 4 10:16:59 uriel kernel: [32571790.564738] [<c1205902>] ? ip_finish_output+0x0/0x5c Sep 4 10:16:59 uriel kernel: [32571790.564742] [<c12058c7>] ? ip_finish_output2+0x187/0x1c2 Sep 4 10:16:59 uriel kernel: [32571790.564747] [<c1204dc8>] ? ip_local_out+0x15/0x17 Sep 4 10:16:59 uriel kernel: [32571790.564751] [<c12055a9>] ? ip_queue_xmit+0x31e/0x379 Sep 4 10:16:59 uriel kernel: [32571790.564758] [<c1279a90>] ? _spin_lock_bh+0x8/0x1e Sep 4 10:16:59 uriel kernel: [32571790.564767] [<eda15a8d>] ? __nf_ct_refresh_acct+0x66/0xa4 [nf_conntrack] Sep 4 10:16:59 uriel kernel: [32571790.564773] [<c103bf42>] ? _local_bh_enable_ip+0x16/0x6e Sep 4 10:16:59 uriel kernel: [32571790.564779] [<c1214593>] ? tcp_transmit_skb+0x595/0x5cc Sep 4 10:16:59 uriel kernel: [32571790.564785] [<c1005c4f>] ? xen_restore_fl_direct_end+0x0/0x1 Sep 4 10:16:59 uriel kernel: [32571790.564791] [<c12165ea>] ? tcp_write_xmit+0x7a3/0x874 Sep 4 10:16:59 uriel kernel: [32571790.564796] [<c121203a>] ? tcp_ack+0x1611/0x1802 Sep 4 10:16:59 uriel kernel: [32571790.564801] [<c10055ec>] ? xen_force_evtchn_callback+0xc/0x10 Sep 4 10:16:59 uriel kernel: [32571790.564806] [<c121392f>] ? tcp_established_options+0x1d/0x8b Sep 4 10:16:59 uriel kernel: [32571790.564811] [<c1213be4>] ? tcp_current_mss+0x38/0x53 Sep 4 10:16:59 uriel kernel: [32571790.564816] [<c1216701>] ? __tcp_push_pending_frames+0x1e/0x50 Sep 4 10:16:59 uriel kernel: [32571790.564821] [<c1212246>] ? tcp_data_snd_check+0x1b/0xd2 Sep 4 10:16:59 uriel kernel: [32571790.564825] [<c1212de3>] ? tcp_rcv_established+0x5d0/0x626 Sep 4 10:16:59 uriel kernel: [32571790.564831] [<c121902c>] ? tcp_v4_do_rcv+0x15f/0x2cf Sep 4 10:16:59 uriel kernel: [32571790.564835] [<c1219561>] ? tcp_v4_rcv+0x3c5/0x5c0 Sep 4 10:16:59 uriel kernel: [32571790.564841] [<c120197e>] ? ip_local_deliver_finish+0x10c/0x18c Sep 4 10:16:59 uriel kernel: [32571790.564846] [<c12015a4>] ? ip_rcv_finish+0x2c4/0x2d8 Sep 4 10:16:59 uriel kernel: [32571790.564852] [<c11e3b71>] ? netif_receive_skb+0x3bb/0x3d6 Sep 4 10:16:59 uriel kernel: [32571790.564864] [<ed823efc>] ? xennet_poll+0x9b8/0xafc [xen_netfront] Sep 4 10:16:59 uriel kernel: [32571790.564869] [<c11e40ee>] ? net_rx_action+0x96/0x194 Sep 4 10:16:59 uriel kernel: [32571790.564874] [<c103bd4c>] ? __do_softirq+0xaa/0x151 Sep 4 10:16:59 uriel kernel: [32571790.564878] [<c103be24>] ? do_softirq+0x31/0x3c Sep 4 10:16:59 uriel kernel: [32571790.564883] [<c103befa>] ? irq_exit+0x26/0x58 Sep 4 10:16:59 uriel kernel: [32571790.564890] [<c118ff9f>] ? xen_evtchn_do_upcall+0x12c/0x13e Sep 4 10:16:59 uriel kernel: [32571790.564896] [<c1008c3f>] ? xen_do_upcall+0x7/0xc Sep 4 10:16:59 uriel kernel: [32571790.564899] Mem-Info: Sep 4 10:16:59 uriel kernel: [32571790.564902] DMA per-cpu: Sep 4 10:16:59 uriel kernel: [32571790.564905] CPU 0: hi: 0, btch: 1 usd: 0 Sep 4 10:16:59 uriel kernel: [32571790.564908] CPU 1: hi: 0, btch: 1 usd: 0 Sep 4 10:16:59 uriel kernel: [32571790.564911] CPU 2: hi: 0, btch: 1 usd: 0 Sep 4 10:16:59 uriel kernel: [32571790.564914] CPU 3: hi: 0, btch: 1 usd: 0 Sep 4 10:16:59 uriel kernel: [32571790.564916] Normal per-cpu: Sep 4 10:16:59 uriel kernel: [32571790.564919] CPU 0: hi: 186, btch: 31 usd: 175 Sep 4 10:16:59 uriel kernel: [32571790.564922] CPU 1: hi: 186, btch: 31 usd: 165 Sep 4 10:16:59 uriel kernel: [32571790.564925] CPU 2: hi: 186, btch: 31 usd: 30 Sep 4 10:16:59 uriel kernel: [32571790.564928] CPU 3: hi: 186, btch: 31 usd: 140 Sep 4 10:16:59 uriel kernel: [32571790.564931] HighMem per-cpu: Sep 4 10:16:59 uriel kernel: [32571790.564933] CPU 0: hi: 186, btch: 31 usd: 159 Sep 4 10:16:59 uriel kernel: [32571790.564936] CPU 1: hi: 186, btch: 31 usd: 22 Sep 4 10:16:59 uriel kernel: [32571790.564939] CPU 2: hi: 186, btch: 31 usd: 24 Sep 4 10:16:59 uriel kernel: [32571790.564942] CPU 3: hi: 186, btch: 31 usd: 13 Sep 4 10:16:59 uriel kernel: [32571790.564947] active_anon:485974 inactive_anon:121138 isolated_anon:0 Sep 4 10:16:59 uriel kernel: [32571790.564948] active_file:75215 inactive_file:79510 isolated_file:0 Sep 4 10:16:59 uriel kernel: [32571790.564949] unevictable:0 dirty:516 writeback:15 unstable:0 Sep 4 10:16:59 uriel kernel: [32571790.564950] free:230770 slab_reclaimable:36661 slab_unreclaimable:21249 Sep 4 10:16:59 uriel kernel: [32571790.564952] mapped:20016 shmem:29450 pagetables:5600 bounce:0 Sep 4 10:16:59 uriel kernel: [32571790.564958] DMA free:2884kB min:72kB low:88kB high:108kB active_anon:0kB inactive_anon:0kB active_file:5692kB inactive_file:724kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15872kB mlocked:0kB dirty:8kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:5112kB slab_unreclaimable:156kB kernel_stack:56kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no Sep 4 10:16:59 uriel kernel: [32571790.564964] lowmem_reserve[]: 0 698 4143 4143 Sep 4 10:16:59 uriel kernel: [32571790.564977] Normal free:143468kB min:3344kB low:4180kB high:5016kB active_anon:56kB inactive_anon:2068kB active_file:131812kB inactive_file:131728kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:715256kB mlocked:0kB dirty:156kB writeback:0kB mapped:308kB shmem:4kB slab_reclaimable:141532kB slab_unreclaimable:84840kB kernel_stack:1928kB pagetables:22400kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no Sep 4 10:16:59 uriel kernel: [32571790.564983] lowmem_reserve[]: 0 0 27559 27559 Sep 4 10:16:59 uriel kernel: [32571790.564995] HighMem free:776728kB min:512kB low:4636kB high:8760kB active_anon:1943840kB inactive_anon:482484kB active_file:163356kB inactive_file:185588kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3527556kB mlocked:0kB dirty:1900kB writeback:60kB mapped:79756kB shmem:117796kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no Sep 4 10:16:59 uriel kernel: [32571790.565001] lowmem_reserve[]: 0 0 0 0 Sep 4 10:16:59 uriel kernel: [32571790.565011] DMA: 385*4kB 16*8kB 3*16kB 9*32kB 6*64kB 2*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2900kB Sep 4 10:16:59 uriel kernel: [32571790.565032] Normal: 21505*4kB 6508*8kB 273*16kB 24*32kB 3*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 143412kB Sep 4 10:16:59 uriel kernel: [32571790.565054] HighMem: 949*4kB 8859*8kB 7063*16kB 6186*32kB 4631*64kB 727*128kB 6*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 776604kB Sep 4 10:16:59 uriel kernel: [32571790.565076] 198980 total pagecache pages Sep 4 10:16:59 uriel kernel: [32571790.565079] 14850 pages in swap cache Sep 4 10:16:59 uriel kernel: [32571790.565082] Swap cache stats: add 2556273, delete 2541423, find 82961339/83153719 Sep 4 10:16:59 uriel kernel: [32571790.565085] Free swap = 250592kB Sep 4 10:16:59 uriel kernel: [32571790.565087] Total swap = 385520kB Sep 4 10:16:59 uriel kernel: [32571790.575454] 1073152 pages RAM Sep 4 10:16:59 uriel kernel: [32571790.575458] 888834 pages HighMem Sep 4 10:16:59 uriel kernel: [32571790.575461] 11344 pages reserved Sep 4 10:16:59 uriel kernel: [32571790.575463] 1090481 pages shared Sep 4 10:16:59 uriel kernel: [32571790.575465] 737188 pages non-shared Now, I've no idea what this means. There's plenty of free memory; total used free shared buffers cached Mem: 4247232 3455904 791328 0 5348 736412 -/+ buffers/cache: 2714144 1533088 Swap: 385520 131004 254516 Though now I see the swap is relatively low in size, but would that matter? I've been starting to think about fragmentation, or inode usage on that large partition, but a recent fsck on it showed is as only like 0.5% fragmented. Which leaves me with inode usage, but how much of an effect really would a large inode table or filesystem TOC have? I've love to hear people's opinions on this. It's driving me potty! df -h output; Filesystem Size Used Avail Use% Mounted on /dev/xvda1 9.5G 6.6G 2.4G 74% / tmpfs 2.1G 0 2.1G 0% /lib/init/rw udev 10M 520K 9.5M 6% /dev tmpfs 2.1G 0 2.1G 0% /dev/shm /dev/xvdb 980G 921G 59G 94% /data

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• On Mikrotik RouterOS, is it possible to get Netflow information from a bridged connection?

  - by Tim

  I have a RouterOS box set up to bridge two ethernet connections. I have use-ip-firewall=yes in the bridge configuration, so that the ports go through the firewall. I've enabled netflow reporting via ip/traffic-flow, but the only packets I see reported are broadcast and multicast packets, not the packets that are flowing through the bridge. The documentation indicates that traffic flow logging happens after firewall processing and that it won't work with bridged connections by default, but I would have thought that use-ip-firewall=yes ought to address this. Is it possible to make this work somehow?

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• How to log kernel panics without KVM

  - by Spacedust

  My server is crashing and I can't find an answer why. It all started after my datacenter upgrade RAM from 16 GB to 32 GB. I also found such logs in dmesg - they've started to show itself just before the first kernel panic: EXT4-fs error (device md2): ext4_ext_find_extent: bad header/extent in inode #97911179: invalid magic - magic 5f69, entries 28769, max 26988(0), depth 24939(0) EXT4-fs error (device md2): ext4_ext_remove_space: bad header/extent in inode #97911179: invalid magic - magic 5f69, entries 28769, max 26988(0), depth 24939(0) EXT4-fs error (device md2): ext4_mb_generate_buddy: EXT4-fs: group 20974: 8589 blocks in bitmap, 54896 in gd JBD: Spotted dirty metadata buffer (dev = md2, blocknr = 0). There's a risk of filesystem corruption in case of system crash. EXT4-fs error (device md2): ext4_ext_split: inode #97911179: (comm pdflush) eh_entries 28769 != eh_max 26988! EXT4-fs (md2): delayed block allocation failed for inode 97911179 at logical offset 1039 with max blocks 1 with error -5 This should not happen!! Data will be lost EXT4-fs error (device md2): ext4_mb_generate_buddy: EXT4-fs: group 21731: 5 blocks in bitmap, 60762 in gd JBD: Spotted dirty metadata buffer (dev = md2, blocknr = 0). There's a risk of filesystem corruption in case of system crash. My system is CentOS 5.8 64-bit with latest kernel 2.6.18-308.20.1.el5. How can I check what is the reason of kernel panic without having an access to the KVM ? I have told my datacenter admins to check the memory in the server.

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• Understanding RedHats recommended tuned profiles

  - by espenfjo

  We are going to roll out tuned (and numad) on ~1000 servers, the majority of them being VMware servers either on NetApp or 3Par storage. According to RedHats documentation we should choose the virtual-guestprofile. What it is doing can be seen here: tuned.conf We are changing the IO scheduler to NOOP as both VMware and the NetApp/3Par should do sufficient scheduling for us. However, after investigating a bit I am not sure why they are increasing vm.dirty_ratio and kernel.sched_min_granularity_ns. As far as I have understood increasing increasing vm.dirty_ratio to 40% will mean that for a server with 20GB ram, 8GB can be dirty at any given time unless vm.dirty_writeback_centisecsis hit first. And while flushing these 8GB all IO for the application will be blocked until the dirty pages are freed. Increasing the dirty_ratio would probably mean higher write performance at peaks as we now have a larger cache, but then again when the cache fills IO will be blocked for a considerably longer time (Several seconds). The other is why they are increasing the sched_min_granularity_ns. If I understand it correctly increasing this value will decrease the number of time slices per epoch(sched_latency_ns) meaning that running tasks will get more time to finish their work. I can understand this being a very good thing for applications with very few threads, but for eg. apache or other processes with a lot of threads would this not be counter-productive?

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• Recover badly recorded DVDs

  - by CesarGon

  A few years ago (2003-2005) I bought a Sony USB external DVD recorder for my Dell laptop and I used it to burn a lot of discs. Much later, when I tried to use one of these discs, I realised that I could not read it. The disc behaved as if it was scratched or dirty. I tried on a couple of different DVD drives but got the same effect. Sadly, all the discs that I burnt with that recorder suffer from the same problem. Edit. When I read one of these discs with ImgBurn, I get lots of unrecovered read errors in multiple sectors, even at 1x speed. The sectors that cause read errors seem to be quite random; it's not always the same one. I have no idea what could be wrong with the discs. I doubt that they are scratched or dirty; it would be too much of a coincidence that all the discs that I burnt with that recorder got damaged at the same time. Also, they don't show any physical defects. Is there any way to diagnose what the problem is and, hopefully, recover the contents of the discs? Many thanks.

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• How do I create ruled lines in Word 2007?

  - by tobeannounced

  My aim is to set up Word to use the 'Cornell Notetaking method', and I would like to be able to have 'ruled lines' as part of my page in word. Currently, I have a split textbox, however obviously this does not allow the text to flow between lines. The underlining method does not work well enough, and I had read something about a college ruled template, however I was not able to find that. So is there any solution at all - by either creating lines in the textbox, or making the text flow between textbox rows?

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• How to (properly) back up a live QEMU/KVM VM?

  - by Roman

  I'm currently engineering a backup solution for KVM VM's as an additional measure to traditional backups. Unfortunately, all currently (August 2013) existing solutions I came across so far either: do not ensure a consistent backup of the VM (losing RAM state, creating a dirty image, or other things), or require lengthy downtime (complete VM shutdown while backing up). I'm aware of QEMU/libvirt's functionality of taking snapshots, however, it's not yet usable since: image-internal snapshots present you with an ever-changing image file, resulting in a likely dirty backup (assuming one uses qcow2 images at all). one cannot yet merge a currently active external snapshot into the original backing image ("blockcommit"). Out of the above reasons, I'm now implementing a script that: Saves the VM's state and halts it Sets up a devicemapper snapshot(s) where the VM's disk images and state reside Resumes the VM Mount the snapshot(s) of step 2. Backs up the VM's disk and state (configuration for convenience) Merges back the snapshot(s). If I got everything right, this will take consistent backups of VM's with only seconds (if at all, since 1-3 is fast, possibly sub-second) of downtime. Of course, when restoring, the VM will be way in the past, but at least giving me the option of an orderly shutdown/reboot. Am I missing something with this solution? Or has someone indeed already implemented this?

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• Excel DataFlow UML Viewer/Navigator/Visualiser tool/ hint

  - by Arjang

  Not sure what to call it but, is there a birds eye view tool for excel to show the data flow between excel sheets/cels etc? I have inherited some huge reports and looking at each cell to see where it's data comes from or what sheet/cell dependencies it has is a nightmare. Or even just something with excel that show the dependencies within a sheet of cells to each other etc. Or Any other visualization tool that can show the data flow between cells ( I tried visio but it seemed it is only for making diagrams of data not the data model of excel itself ). Or at least if I am within a cell and see a formula referring to other sheets and cells, is there a quick way to navigate there and back? Like code navigation in VS? Thank you for your help

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• Treeview - Hierarchical Data Template - Binding does not update on source change?

  - by ClearsTheScreen

  Greetings! I ran into this problem in my project (Silverlight 3 with C#): I have a TreeView which is data bound to, well, a tree. This TreeView has a HierarchicalDataTamplate in a resource dictionary, that defines various controls. Now I want to hide (Visibility.Collapse) some items depending on wether a node has children or not. Other items shall be visible under the same condition. It works like charm when I first bind the source tree to the TreeView, but when I change the source tree, the visibility in the treeview does not change. XAML - page: <controls:TreeView x:Name="SankeyTreeView" ItemContainerStyle="{StaticResource expandedTreeViewItemStyle}" ItemTemplate="{StaticResource SankeyTreeTemplate}"> <controls:TreeViewItem IsExpanded="True"> <controls:TreeViewItem.HeaderTemplate> <DataTemplate> <TextBlock Text="This is just for loading and will be replaced directly after the data becomes available..."/> </DataTemplate> </controls:TreeViewItem.HeaderTemplate> </controls:TreeViewItem> </controls:TreeView> XAML - ResourceDictionary <!-- Each node in the tree is structurally identical, hence only one Hierarchical Data Template that'll use itself on the children. --> <Data:HierarchicalDataTemplate x:Key="SankeyTreeTemplate" ItemsSource="{Binding Children}"> <Grid Height="24"> <TextBlock x:Name="TextBlockName" Text="{Binding Path=Value.name, Mode=TwoWay}" VerticalAlignment="Center" Foreground="Black"/> <TextBox x:Name="TextBoxFlow" Text="{Binding Path=Value.flow, Mode=TwoWay}" Grid.Column="1" Visibility="{Binding Children, Converter={StaticResource BoxConverter}, ConverterParameter=\{box\}}"/> <TextBlock x:Name="TextBlockThroughput" Text="{Binding Path=Value.throughput, Mode=TwoWay}" Grid.Column="1" Visibility="{Binding Children, Converter={StaticResource BoxConverter}, ConverterParameter=\{block\}}"/> <Button x:Name="ButtonAddNode"/> <Button x:Name="ButtonDeleteNode"/> <Button x:Name="ButtonEditNode"/> </Grid> </Data:HierarchicalDataTemplate> Now, as you can see, the TextBoxFlow and the TextBlockThroughput share the same space. What I aim at: The "Throughput" value of a node is how much of something 'flows' through this node from its children. It can't be changed directly, so I want to display a text block. Only leaf nodes have a TextBox to let someone enter the 'flow' that is generated in this leaf node. (I.E.: Node.Throughput = Node.Flow + Sum(Children.Throughput), where Node.Flow = 0 for each non-leaf.) What the BoxConverter (silly name -.-) does: public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if ((value as NodeList<TreeItem>).Count > 1) // Node has Children? { if ((parameter as String) == "{box}") { return Visibility.Collapsed; } else ((parameter as String) == "{block}") { return Visibility.Visible; } } else { /* * As above, just with Collapsed and Visible switched */ } } The structure of the tree that is bound to the TreeView is essentially stolen from Dan Vanderboom (a bit too much to dump the whole code here), except that I here of course use an ObservableCollection for the children and the value items implement INotifyPropertyChanged. I would be very grateful if someone could explain to me, why inserting items into the underlying tree does not update the visibility for box and block. Thank you in advance!

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• Don’t be a dinosaur. Use Calendar Tree!

  - by jamiet

  If one spends long enough in my company one will likely eventually have to listen to me bark on about subscribable calendars. I was banging on about them way back in 2009, I’ve cajoled SQLBits into providing one, provided one myself for the World Cup, and opined that they could be transformative for the delivery of BI. I believe subscribable calendars can change the world but have never been good at elucidating why I thought so, for that reason I always direct people to read a blog by Scott Adams (yes, the guy who draws Dilbert) entitled Calendar as Filter. In that blog post Scott writes: I think the family calendar is the organizing principle into which all external information should flow. I want the kids' school schedules for sports and plays and even lunch choices to automatically flow into the home calendar. Everything you do has a time dimension. If you are looking for a new home, the open houses are on certain dates, and certain houses that fit your needs are open at certain times. If you are shopping for some particular good, you often need to know the store hours. Your calendar needs to know your shopping list and preferences so it can suggest good times to do certain things I think the biggest software revolution of the future is that the calendar will be the organizing filter for most of the information flowing into your life. You think you are bombarded with too much information every day, but in reality it is just the timing of the information that is wrong. Once the calendar becomes the organizing paradigm and filter, it won't seem as if there is so much. I wholly agree and hence was delighted to discover (via the Hanselminutes podcast) that Scott has a startup called CalendarTree.com whose raison d’etre is to solve this very problem. What better way to describe a Scott Adams startup than with a Scott Adams comic: I implore you to check out Calendar Tree and make the world a tiny bit better by using it to share any information that has a time dimension to it. Don’t be a dinosaur, use Calendar tree! @Jamiet

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• top Tweets SOA Partner Community – August 2012

  - by JuergenKress

  Send your tweets @soacommunity #soacommunity and follow us at http://twitter.com/soacommunity Lucas Jellema ?Published an article about organizing Fusion Middleware Administration: http://technology.amis.nl/2012/07/31/organizing-fusion-middleware-administration-in-a-smart-and-frugal-way … - many organizations are struggling with this. ServiceTechSymposium Countdown to the Early Bird Registration Discount deadline. Only 4 days left! http://ow.ly/cBCiv demed ?Good chatting w Bob Rhubart, Thomas Erl & Tim Hall on SOA & Cloud Symposium https://blogs.oracle.com/archbeat/entry/podcast_show_notes_thomas_erl … @soaschool @OTNArchBeat -- CU in London! SOA Community top Tweets SOA Partner Community July 2012 - are you one of them? If yes please rt! https://soacommunity.wordpress.com/2012/07/30/top-tweets-soa-partner-community-july-2012/ … #soacommunity SOA Community ?Are You a facebook member - do You follow http://www.facebook.com/soacommunity ? #soacommunity #soa SOA Community ?SOA 24/7 - Home Page: http://soa247.com/#.UBJsN8n3kyk.twitter … #soacommunity OracleBlogs ?Handling Large Payloads in SOA Suite 11g http://ow.ly/1lFAih OracleBlogs ?SOA Community Newsletter July 2012 http://ow.ly/1lFx6s OTNArchBeat Podcast Show Notes: Thomas Erl on SOA, Cloud, and Service Technology http://bit.ly/OOHTUJ SOA Community SOA Community Newsletter July 2012 http://wp.me/p10C8u-s7 OTNArchBeat ?OTN ArchBeat Podcast: Thomas Erl on SOA, Cloud, and Service Technology - Part 1 http://pub.vitrue.com/fMti OProcessAccel ?Just released! White Paper: Oracle Process Accelerators Best Practices http://www.oracle.com/technetwork/middleware/bpm/learnmore/processaccelbestpracticeswhitepaper-1708910.pdf … OTNArchBeat ?SOA, Cloud, and Service Technologies - Part 1 of 4 - A conversation with SOA, Cloud, and Service Technology Symposiu... http://ow.ly/1lDyAK OracleBlogs ?SOA Suite 11g PS5 Bundled Patch 3 (11.1.1.6.3) http://ow.ly/1lCW1S Simon Haslam My write-up of the virtues of the #ukoug App Server & Middleware SIG http://bit.ly/LMWdfY What's important to you for our next meeting? SOA Community SOA Partner Community Survey 2012 http://wp.me/p10C8u-qY Simone Geib ?RT @jswaroop: #Oracle positioned in the Leader's quadrant - Gartner Magic Quadrants for Application Infrastructure (SOA & SOA Gov)... ServiceTechSymposium New Supporting Organization, IBTI has joined the Symposium! http://www.servicetechsymposium.com/ orclateamsoa ?A-Team Blog #ateam: BPM 11g Task Form Version Considerations http://ow.ly/1lA7XS OTNArchBeat Oracle content at SOA, Cloud and Service Technology Symposium (and discount code!) http://pub.vitrue.com/FPcW OracleBlogs ?BPM 11g Task Form Version Considerations http://ow.ly/1lzOrX OTNArchBeat BPM 11g #ADF Task Form Versioning | Christopher Karl Chan #fusionmiddleware http://pub.vitrue.com/0qP2 OTNArchBeat Lightweight ADF Task Flow for BPM Human Tasks Overview | @AndrejusB #fusionmiddleware http://pub.vitrue.com/z7x9 SOA Community Oracle Fusion Middleware Summer Camps in Lisbon report by Link Consulting http://middlewarebylink.wordpress.com/2012/07/20/oracle-fusion-middleware-summer-camps-in-lisbon/ … #ofmsummercamps #soa #bpm SOA Community ?Clemens Utschig-Utschig & Manas Deb The Successful Execution of the SOA and BPM Vision Using a Business Capability Framework: Concepts… Simone Geib ?RT @oprocessaccel: Just released! White Paper: Oracle Process Accelerators Best Practices http://www.oracle.com/technetwork/middleware/bpm/learnmore/processaccelbestpracticeswhitepaper-1708910.pdf … jornica ?Report from Oracle Fusion Middleware Summer Camps in Munich: SOA Suite 11g advanced training experiences @soacommunity http://bit.ly/Mw3btE Simone Geib ?Bruce Tierney: Update - SOA & BPM Customer Insights Webcast Series: | https://blogs.oracle.com/SOA/entry/update_soa_bpm_customer_insights … OTNArchBeat Business SOA: Thinking is Dead | @mosesjones http://pub.vitrue.com/k8mw esentri ?had 3 great days in Munich at #Oracle #soacommunity Summercamp! Special thanks to Geoffroy de Lamalle from eProseed! Danilo Schmiedel ?Used my time in train to setup the ps5 soa/bpm vbox-image.Works like a dream. Setup-Readme is perfect! Saves a lot of time!!! @soacommunity 18 Jul SOA Community ?THANKS for the excellent OFM summer camps - save trip home - share your pictures at http://www.facebook.com/soacommunity #ofmsummercamps #soacommunity doors BBQ-party with Oracle @soacommunity. 5Star! #lovemunich #ofmsummercamps pic.twitter.com/ztfcGn2S leonsmiers ?New #Capgemini blog post "Continuous Improvement of Business Agility" http://bit.ly/Lr0EwG #bpm #yam Eric Elzinga ?MDS Explorer utility, http://see.sc/4qdb43 #soasuite ServiceTechSymposium ?@techsymp New speaker Demed L’Her from Oracle has been added to the symposium calendar. http://ow.ly/cjnyw SOA Community ?Last day of the Fusion Middleware summer camps - we continue at 9.00 am. send us your barbecue pictures! #ofmsummercamps #soacommunity SOA Community ?Delivering SOA Governance with EAMS and Oracle Enterprise Repository by Link Consulting http://middlewarebylink.wordpress.com/2012/06/26/delivering-soa-governance-with-eams-and-oracle-enterprise-repository/ … #soacommunity #soa #oer OracleBlogs ?Process Accelerator Kit http://ow.ly/1loaCw 15 Jul SOA Community ?Sun is back in Munich! Send your pictures Middleware summer camps! #ofmsummercamps We start tomorrow 11.00 at Oracle pic.twitter.com/6FStxomk Walter Montantes ?Gracias, Obrigado, Thank you, Danke a Lisboa y a @soacommunity @wlscommunity. From the Mexican guys!! cc @mikeintoch #ofmsummercamps Andrejus Baranovskis Tips & Tricks How to Run Oracle BPM 11g PS5 Workspace from Custom ADF 11g Application http://fb.me/1zOf3h2K8 JDeveloper & ADF ?Fusion Apps Enterprise Repository - Explained http://dlvr.it/1rpjWd Steve Walker ?Oracle #Exalogic is the logical choice for running business applications. Exalogic Software 2.0 launches 7/25. Reg at http://bit.ly/NedQ9L A. Chatziantoniou ?Landed in rainy Amsterdam after a great week in Lisbon for the #ofmsummercamps - multo obrigado for Jürgen for another fantastic event SOA Community ?Teams present #BPM11g POC results at #ofmsummercamps - great job! #soacommunity pic.twitter.com/0d4txkWF Sabine Leitner ?#DOAG SIG Middleware 29.08.2012 Köln über MW, Administration, Monitoring http://bit.ly/P47w82 @soacommunity @OracleMW @OracleFMW 12 Jul philmulhall ?Thanks @soacommunity for a great week at the #ofmsummercamps. Hard work done so time for a few cold ones in Lisboa. pic.twitter.com/LVUUuwTh peter230769 ?RT: andrea_rocco_31: RT @soacommunity: Enjoy the networking event at #ofmsummercamps want to attend next time ... pic.twitter.com/D1HRndi4 Niels Gorter ?#ofmsummercamps dinner in Lisbon. Great weather, scenery, training, people, on and on. Big THANKS @soacommunity JDeveloper & ADF ?Running Oracle BPM 11g PS5 Worklist Task Flow and Human Task Form on Non-SOA Domain http://dlvr.it/1r0c2j Andrea Rocco ?RT @soacommunity: Jamy pastry at cafe Belem - who is the ghost there?!? http://via.me/-2x33uk6 Simon Haslam ?Sounds great - sorry I couldn't make it. RT @soacommunity: 6pm BPM advanced training hard work to build the POC #ofmsummercamps philmulhall ?A well earned rest after a hard days work @soacommunity #summercamps pic.twitter.com/LKK7VOVS philmulhall ?Some more hard working delegates @soacommunity #summercamps pic.twitter.com/gWpk1HZh SOA Community ?Error message at the BPM POC - will The #ace director understand the message and solve it? #ofmsummercamps pic.twitter.com/LFTEzNck Daniel Kleine-Albers ?posted on the #thecattlecrew blog: Assigning more memory to JDeveloper http://thecattlecrew.wordpress.com/2012/07/10/jdeveloper-quicktip-assigning-more-memory/ … OTNArchBeat ?BAM design pointers | Kavitha Srinivasan http://pub.vitrue.com/TOhP SOA Community ?Did you receive the July SOA community newsletter? read it! Want to become a member http://www.oracle.com/goto/emea/soa #soacommunity #soa #opn OracleBlogs ?Markus Zirn, Big Data with CEP and SOA @ SOA, Cloud &amp; Service Technology Symposium 2012 http://ow.ly/1lcSkb Andrejus Baranovskis Running Oracle BPM 11g PS5 Worklist Task Flow and Human Task Form on Non-SOA Eric Elzinga ?Service Facade design pattern in OSB, http://bit.ly/NnOExN Eric Elzinga ?New BPEL Thread Pool in SOA 11g for Non-Blocking Invoke Activities from 11.1.1.6 (PS5), http://bit.ly/NnOc2G Gilberto Holms New Post: Siebel Connection Pool in Oracle Service Bus 11g http://wp.me/pRE8V-2z Oracle UPK & Tutor ?UPK Pre-Built Content Update: UPK pre-built content development efforts are always underway and growing. Ove... http://bit.ly/R2HeTj JDeveloper & ADF ?Troubleshooting BPMN process editor problems in 11.1.1.6 http://dlvr.it/1p0FfS orclateamsoa ?A-Team Blog #ateam: BAM design pointers - In working recently with a large Oracle customer on SOA and BAM, I discove... http://ow.ly/1kYqES SOA Community BPMN process editor problems in 11.1.1.6 by Mark Nelson http://redstack.wordpress.com/2012/06/27/bpmn-process-editor-problems-in-11-1-1-6 … #soacommunity #bpm OTNArchBeat ?SOA Learning Library: free short, topic-focused training on Oracle SOA & BPM products | @SOACommunity http://pub.vitrue.com/NE1G Andrejus Baranovskis ?ADF 11g PS5 Application with Customized BPM Worklist Task Flow (MDS Seeded Customization) http://fb.me/1coX4r1X1 OTNArchBeat ?A Universal JMX Client for Weblogic –Part 1: Monitoring BPEL Thread Pools in SOA 11g | Stefan Koser http://pub.vitrue.com/mQVZ OTNArchBeat ?BPM – Disable DBMS job to refresh B2B Materialized View | Mark Nelson http://pub.vitrue.com/3PR0 SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit  www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Technorati Tags: SOA Community twitter,SOA Community,Oracle SOA,Oracle BPM,BPM Community,OPN,Jürgen Kress

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• Oracle Coherence & Oracle Service Bus: REST API Integration

  - by Nino Guarnacci

  This post aims to highlight one of the features found in Oracle Coherence which allows it to be easily added and integrated inside a wider variety of projects.  The features in question are the REST API exposed by the Coherence nodes, with which you can interact in the wider mode in memory data grid.Oracle Coherence and Oracle Service Bus are natively integrated through a feature found in the Oracle Service Bus, which allows you to use the coherence grid cache during the configuration phase of a business service. This feature allows you to use an intermediate layer of cache to retrieve the answers from previous invocations of the same service, without necessarily having to invoke the real business service again. Directly from the web console of Oracle Service Bus, you can decide the policies of eviction of the objects / answers and define the discriminating parameters that identify their uniqueness.The coherence REST APIs, however, allow you to integrate both products for other necessities enabling realization of new architectures design.  Consider coherence’s node as a simple service which interoperates through the stardard services and in particular REST (with JSON and XML). Thinking of coherence as a company’s shared service, able to have an implementation of a centralized “map and reduce” which you can access  by a huge variety of protocols (transport and envelopes).An amazing step forward for those who still imagine connectors and code. This type of integration does not require writing custom code or complex implementation to be self-supported. The added value is made unique by the incredible value of both products independently, and still more out of their simple and robust integration.As already mentioned this scenario discovers a hidden new door behind the columns of these two products. The door leads to new ideas and perspectives for enterprise architectures that increasingly wink to next-generation applications: simple and dynamic, perhaps towards the mobile and web 2.0.Below, a small and simple demo useful to demonstrate how easily is to integrate these two products using the Coherence REST API. This demo is also intended to imagine new enterprise architectures using this approach.The idea is to create a centralized system of alerting, fed easily from any company’s application, regardless of the technology with which they were built . Then use a representation standard protocol: RSS, using a service exposed by the service bus; So you can browse and search only the alerts that you are interested on, by category, author, title, date, etc etc.. The steps needed to implement this system are very simple and very few. Here they are listed below and described to be easily replicated within your environment. I would remind you that the demo is only meant to demonstrate how easily is to integrate Oracle Coherence and the Oracle Service Bus, and stimulate your imagination to new technological approaches.1) Install the two products: In this demo used (if necessary, consult the installation guides of 2 products)  - Oracle Service Bus ver. 11.1.1.5.0 http://www.oracle.com/technetwork/middleware/service-bus/downloads/index.html - Oracle Coherence ver. 3.7.1 http://www.oracle.com/technetwork/middleware/coherence/downloads/index.html 2) Because you choose to create a centralized alerting system, we need to define a structure type containing some alerting attributes useful to preserve and organize the information of the various alerts sent by the different applications. Here, then it was built a java class named Alert containing the canonical properties of an alarm information:- Title- Description- System- Time- Severity 3) Therefore, we need to create two configuration files for the coherence node, in order to save the Alert objects within the grid, through the rest/http protocol (more than the native API for Java, C + +, C,. Net). Here are the two minimal configuration files for Coherence:coherence-rest-config.xml resty-server-config.xml This minimum configuration allows me to use a distributed cache named "alerts" that can  also be accessed via http - rest on the host "localhost" over port "8080", objects are of type “oracle.cohsb.Alert”. 4) Below  a simple Java class that represents the type of alert messages: 5) At this point we just need to startup our coherence node, able to listen on http protocol to manage the “alerts” cache, which will receive incoming XML or JSON objects of type Alert. Remember to include in the classpath of the coherence node, the Alert java class and the following coherence libraries and configuration files:  At this point, just run the coherence class node “com.tangosol.net.DefaultCacheServer”advising you to set the following parameters:-Dtangosol.coherence.log.level=9 -Dtangosol.coherence.log=stdout -Dtangosol.coherence.cacheconfig=[PATH_TO_THE_FILE]\resty-server-config.xml 6) Let's create a procedure to test our configuration of Coherence and in order to insert some custom alerts in our cache. The technology with which you want to achieve this functionality is fully not considerable: Javascript, Python, Ruby, Scala, C + +, Java.... Because the protocol to communicate with Coherence is simply HTTP / JSON or XML. For this little demo i choose Java: A method to send/put the alert to the cache: A method to query and view the content of the cache: Finally the main method that execute our methods:  No special library added in the classpath for our class (json struct static defined), when it will be executed, it asks some information such as title, description,... in order to compose and send an alert to the cache and then it will perform an inquiry, to the same cache. At this point, a good exercise at this point, may be to create the same procedure using other technologies, such as a simple html page containing some JavaScript code, and then using Python, Ruby, and so on.7) Now we are ready to start configuring the Oracle Service Bus in order to integrate the two products. First integrate the internal alerting system of Oracle Service Bus with our centralized alerting system based on coherence node. This ensures that by monitoring, or directly from within our Proxy Message Flow, we can throw alerts and save them directly into the Coherence node. To do this I choose to use the jms technology, natively present inside the Oracle Weblogic / Service Bus. Access to the Oracle WebLogic Administration console and create and configure a new JMS connection factory and a new jms destination (queue). Now we should create a new resource of type “alert destination” within our Oracle Service Bus project. The new “alert destination” resource should be configured using the newly created connection factory jms and jms destination. Finally, in order to withdraw the message alert enqueued in our JMS destination and send it to our coherence node, we just need to create a new business service and proxy service within our Oracle Service Bus project.Our business service is responsible for sending a message to our REST service Coherence using as a method action: PUT Finally our proxy service have to collect all messages enqueued on the destination, execute an xquery transformation on those messages  in order to translate them into valid XML / alert objects useful to be sent to our coherence service, through the newly created business service. The message flow pipeline containing the xquery transformation: Incredibly,  we just did a basic first integration between the native alerting system of Oracle Service Bus and our centralized alerting system by simply configuring our coherence node without developing anything.It's time to test it out. To do this I create a proxy service able to generate an alert using our "alert destination", whenever the proxy is invoked. After some invocation to our proxy that generates fake alerts, we could open an Internet browser and type the URL  http://localhost: 8080/alerts/  so we could see what has been inserted within the coherence node. 8) We are ready for the final step.  We would create a new message flow, that can be used to search and display the results in standard mode. To do this I choosen the standard representation of RSS, to display a formatted result on a huge variety of devices such as readers for the iPhone and Android. The inquiry may be defined already at the time of the request able to return only feed / items related to our needs. To do this we need to create a new business service, a new proxy service, and finally a new XQuery Transformation to take care of translating the collection of alerts that will be return from our coherence node in a nicely formatted RSS standard document.So we start right from this resource (xquery), which has the task of transforming a collection of alerts / xml returned from the node coherence in a type well-formatted feed RSS 2.0 our new business service that will search the alerts on our coherence node using the Rest API. And finally, our last resource, the proxy service that will be exposed as an RSS / feeds to various mobile devices and traditional web readers, in which we will intercept any search query, and transform the result returned by the business service in an RSS feed 2.0. The message flow with the transformation phase (Alert TO Feed Items): Finally some little tricks to follow during the routing to the business service, - check for any queries present in the url to require a subset of alerts  - the http header "Accept" to help get an answer XML instead of JSON: In our little demo we also static added some coherence parameters to the request:sort=time:desc;start=0;count=100I would like to get from Coherence that the results will be sorted by date, and starting from 1 up to a maximum of 100.Done!!Just incredible, our centralized alerting system is ready. Inheriting all the qualities and capabilities of the two products involved Oracle Coherence & Oracle Service Bus: - RASP (Reliability, Availability, Scalability, Performance)Now try to use your mobile device, or a normal Internet browser by accessing the RSS just published: Some urls you may test: Search for the last 100 alerts : http://localhost:7001/alarmsSearch for alerts that do not have time set to null (time is not null):http://localhost:7001/alarms?q=time+is+not+nullSearch for alerts that the system property is “Web Browser” (system = ‘Web Browser’):http://localhost:7001/alarms?q=system+%3D+%27Web+Browser%27Search for alerts that the system property is “Web Browser” and the severity property is “Fatal” and the title property contain the word “Javascript”  (system = ‘Web Broser’ and severity = ‘Fatal’ and title like ‘%Javascript%’)http://localhost:8080/alerts?q=system+%3D+%27Web+Browser%27+AND+severity+%3D+%27Fatal%27+AND+title+LIKE+%27%25Javascript%25%27 To compose more complex queries about your need I would suggest you to read the chapter in the coherence documentation inherent the Cohl language (Coherence Query Language) http://download.oracle.com/docs/cd/E24290_01/coh.371/e22837/api_cq.htm . Some useful links: - Oracle Coherence REST API Documentation http://download.oracle.com/docs/cd/E24290_01/coh.371/e22839/rest_intro.htm - Oracle Service Bus Documentation http://download.oracle.com/docs/cd/E21764_01/soa.htm#osb - REST explanation from Wikipedia http://en.wikipedia.org/wiki/Representational_state_transfer At this URL could be downloaded the whole materials of this demo http://blogs.oracle.com/slc/resource/cosb/coh-sb-demo.zip Author: Nino Guarnacci.

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• How would i down-sample a .wav file then reconstruct it using nyquist? - in matlab [closed]

  - by martin

  This is all done in MatLab 2010 My objective is to show the results of: undersampling, nyquist rate/ oversampling First i need to downsample the .wav file to get an incomplete/ or impartial data stream that i can then reconstuct. Heres the flow chart of what im going to be doing So the flow is analog signal - sampling analog filter - ADC - resample down - resample up - DAC - reconstruction analog filter what needs to be achieved: F= Frequency F(Hz=1/s) E.x. 100Hz = 1000 (Cyc/sec) F(s)= 1/(2f) Example problem: 1000 hz = Highest frequency 1/2(1000hz) = 1/2000 = 5x10(-3) sec/cyc or a sampling rate of 5ms This is my first signal processing project using matlab. what i have so far. % Fs = frequency sampled (44100hz or the sampling frequency of a cd) [test,fs]=wavread('test.wav'); % loads the .wav file left=test(:,1); % Plot of the .wav signal time vs. strength time=(1/44100)*length(left); t=linspace(0,time,length(left)); plot(t,left) xlabel('time (sec)'); ylabel('relative signal strength') **%this is were i would need to sample it at the different frequecys (both above and below and at) nyquist frequency.*I think.*** soundsc(left,fs) % shows the resaultant audio file , which is the same as original ( only at or above nyquist frequency however) Can anyone tell me how to make it better, and how to do the various sampling at different frequencies?

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• Dotfuscator Deep Dive with WP7

  - by Bil Simser

  I thought I would share some experience with code obfuscation (specifically the Dotfuscator product) and Windows Phone 7 apps. These days twitter is a buzz with black hat and white operations coming out about how the marketplace is insecure and Microsoft failed, blah, blah, blah. So it’s that much more important to protect your intellectual property. You should protect it no matter what when releasing apps into the wild but more so when someone is paying for them. You want to protect the time and effort that went into your code and have some comfort that the casual hacker isn’t going to usurp your next best thing. Enter code obfuscation. Code obfuscation is one tool that can help protect your IP. Basically it goes into your compiled assemblies, rewrites things at an IL level (like renaming methods and classes and hiding logic flow) and rewrites it back so that the assembly or executable is still fully functional but prying eyes using a tool like ILDASM or Reflector can’t see what’s going on.  You can read more about code obfuscation here on Wikipedia. A word to the wise. Code obfuscation isn’t 100% secure. More so on the WP7 platform where the OS expects certain things to be as they were meant to be. So don’t expect 100% obfuscation of every class and every method and every property. It’s just not going to happen. What this does do is give you some level of protection but don’t put all your eggs in one basket and call it done. Like I said, this is just one step in the process. There are a few tools out there that provide code obfuscation and support the Windows Phone 7 platform (see links to other tools at the end of this post). One such tool is Dotfuscator from PreEmptive solutions. The thing about Dotfuscator is that they’ve struck a deal with Microsoft to provide a *free* copy of their commercial product for Windows Phone 7. The only drawback is that it only runs until March 31, 2010. However it’s a good place to start and the focus of this article. Getting Started When you fire up Dotfuscator you’re presented with a dialog to start a new project or load a previous one. We’ll start with a new project. You’re then looking at a somewhat blank screen that shows an Input tab (among others) and you’re probably wondering what to do? Click on the folder icon (first one) and browse to where your xap file is. At this point you can save the project and click on the arrow to start the process. Bam! You’re done. Right? Think again. The program did indeed run and create a new version of your xap (doing it’s thing and rewriting back your *obfuscated* assemblies) but let’s take a look at the assembly in Reflector to see the end result. Remember a xap file is really just a glorified zip file (or cab file if you prefer). When you ran Dotfuscator for the first time with the default settings you’ll see it created a new version of your xap in a folder under “My Documents” called “Dotfuscated” (you can configure the output directory in settings). Here’s the new xap file. Since a xap is just a zip, rename it to .cab or .zip or something and open it with your favorite unarchive program (I use WinRar but it doesn’t matter as long as it can unzip files). If you already have the xap file associated with your unarchive tool the rename isn’t needed. Once renamed extract the contents of the xap to your hard drive: Now you’ll have a folder with the contents of the xap file extracted: Double click or load up your assembly (WindowsPhoneDataBoundApplication1.dll in the example) in Reflector and let’s see the results: Hmm. That doesn’t look right. I can see all the methods and the code is all there for my LoadData method I wanted to protect. Product failure. Let’s return it for a refund. Hold your horses. We need to check out the settings in the program first. Remember when we loaded up our xap file. It started us on the Input tab but there was a settings tab before that. Wonder what it does? Here’s the default settings: Renaming Taking a closer look, all of the settings in Feature are disabled. WTF? Yeah, it leaves me scratching my head why an obfuscator by default doesn’t obfuscate. However it’s a simple fix to change these settings. Let’s enable Renaming as it sounds like a good start. Renaming obscures code by renaming methods and fields to names that are not understandable. Great. Run the tool again and go through the process of unzipping the updated xap and let’s take a look in Reflector again at our project. This looks a lot better. Lots of methods named a, b, c, d, etc. That’ll help slow hackers down a bit. What about our logic that we spent days weeks on? Let’s take a look at the LoadData method: What gives? We have renaming enabled but all of our code is still there. If you look through all your methods you’ll find it’s still sitting there out in the open. Control Flow Back to the settings page again. Let’s enable Control Flow now. Control Flow obfuscation synthesizes branching, conditional, and iterative constructs (such as if, for, and while) that produce valid executable logic, but yield non-deterministic semantic results when decompilation is attempted. In other words, the code runs as before, but decompilers cannot reproduce the original code. Do the dance again and let’s see the results in Reflector. Ahh, that’s better. Methods renamed *and* nobody can look at our LoadData method now. Life is good. More than Minimum This is the bare minimum to obfuscate your xap to at least a somewhat comfortable level. However I did find that while this worked in my Hello World demo, it didn’t work on one of my real world apps. I had to do some extra tweaking with that. Below are the screens that I used on one app that worked. I’m not sure what it was about the app that the approach above didn’t work with (maybe the extra assembly?) but it works and I’m happy with it. YMMV. Remember to test your obfuscated app on your device first before submitting to ensure you haven’t obfuscated the obfuscator. settings tab: rename tab: string encryption tab: premark tab: A few final notes Play with the settings and keep bumping up the bar to try to get as much obfuscation as you can. The more the better but remember you can overdo it. Always (always, always, always) deploy your obfuscated xap to your device and test it before submitting to the marketplace. I didn’t and got rejected because I had gone overboard with the obfuscation so the app wouldn’t launch at all. Not everything is going to be obfuscated. Specifically I don’t see a way to obfuscate auto properties and a few other language features. Again, if you crank the settings up you might hide these but I haven’t spent a lot of time optimizing the process. Some people might say to obfuscate your xaml using string encryption but again, test, test, test. Xaml is picky so too much obfuscation (or any) might disable your app or produce odd rendering effets. Remember, obfuscation is not 100% secure! Don’t rely on it as a sole way of protecting your assets. Other Tools Dotfuscator is one just product and isn’t the end-all be-all to obfuscation so check out others below. For example, Crypto can make it so Reflector doesn’t even recognize the app as a .NET one and won’t open it. Others can encrypt resources and Xaml markup files. Here are some other obfuscators that support the Windows Phone 7 platform. Feel free to give them a try and let people know your experience with them! Dotfuscator Windows Phone Edition Crypto Obfuscator for .NET DeepSea Obfuscation

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• BDD (Behavior-Driven Development) tools for .Net

  - by tikrimi

  For several years, I use TDD (Test-Driven Development) to produce code. I no longer plans to work without using TDD. The use of TDD significantly increases code quality, but does not guarantee that the code is the code that corresponds to the requirements specifications (write the "right code" with BDD as opposed to the write "code right" with BDD). Dan North has described in an article in published in 2006 the foundations of the BDD (Behavior-Driven Development). In this article, he introduces the formalism "When Given Then". This formalism is used in all tools dedicated to BDD. This is a short list of open source BDD tools that you can use with .Net : SpecFlow: Here you can find an article in MSDN Magazine and 2 webcasts (http://channel9.msdn.com/posts/ASPNET-MVC-With-Community-Tools-Part-2-Spec-Flow-and-WatiN and http://channel9.msdn.com/posts/ASPNET-MVC-With-Community-Tools-Part-3-More-Spec-Flow-and-WatiN) published on Chanel9. NSpec: This is certainly the most used project. There are many examples on the web. StoryQ: This project is hosted on Codeplex. This small project is very simple to implement and very useful.

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• Catch Me If You Can

  - by Knut Vatsendvik

  Suppose you have a Proxy based Web Service using Oracle Service Bus. In a stage in the request pipeline,  you are using a Publish action to publish the incoming message to a JMS queue using a Business Service. What if the outbound transport provider throws an exception (outside of your pipeline)? Is your pipeline able to catch the error with an error handler?? This situation could occur because of a faulty connection, suspended queue, or some other reason. Here is the Request Pipeline in our simple test case. With an Error Handler added to the message flow containing a simple Log action. By default, the Publish action will invoke the service in a fire and forget fashion. Therefore any exception that occurs in the outbound transport will go unnoticed as shown in the following Invocation Trace. So what now? In a message flow, you can apply a Routing Options action to modify any or all of the following properties in the outbound request: URI, Quality of Service, Mode, Retry parameters, Message Priority. Now add the Routing Options action to the Request Action as shown below. Click the Routing Options to display its properties in the Properties View. Select the QoS option to set the Quality of Service element. Select Exactly Once to override the default setting, and Republish the project. The invocation will now block until the message is completely processed. Trying the same test case as earlier generates the following Invocation Trace showing that the Error Handler is now triggered.

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• CodePlex Daily Summary for Tuesday, May 27, 2014

  CodePlex Daily Summary for Tuesday, May 27, 2014Popular ReleasesAD4 Application Designer for flow based .NET applications: AD4.AppDesigner.18.11: AD4.Iteration.18.11(Rendering of flow chart) Bugfix: AppWrapperClassContainer MakeWrapperBuildInstances MakeFlowClassCtor Note: Currently not all elements are shown in flow chart area! This version is able to generate the source code of some samples. See: Sample Applications (You find the flow description in the documents folder of each sample). The gluing code of the AD4.AppDesigner was created by the previous version of the AD4.AppDesigner. You find the current app definition in t...ClosedXML - The easy way to OpenXML: ClosedXML 0.71.1: More performance improvements. It's faster and consumes less memory.SQL Server Change Data Capture Application: Release 1: This is the initial release of SQLCDCApp. Download the zip file. Unzip and run SQLCDCApp.exe to start.Role Based Views in Microsoft Dynamics CRM 2011: Role Based Views in CRM 2011 and 2013 - 1.1.0.0: Issues fixed in this build: 1. Works for CRM 2013 2. Lookup view not getting blockedMathos Parser: 1.0.6.1 + source code: Removed the bug with comma/dot reported and fixed by Diego.Dynamics AX Build Scripts: DynamicsAXCommunity Powershell module (0.3.0): Change log(previous release was 0.2.4) 0.3.0 AxBuild (http://msdn.microsoft.com/en-us/library/dn528954.aspx) is supported and used by default. Smarter dealing with versions - e.g. listing configurations for all versions in the same time. $AxVersionPreference shouldn't be normally needed. Additional properties returned by Get-AXConfig. 0.2.5 -StartupCmd and -Wait added to Start-AXClient. Handles console output sent from AX (http://dev.goshoom.net/en/2012/05/console-output-ax/).xFunc: xFunc 2.15.6: Fidex #77QuickMon: Version 3.12: This release is mostly just to improve the UI for the Windows client. There are a few minor fixes as well. 1. Polling frequency presets fixed (slow, normal and fast) 2. Added collector call duration to history 3. History now displays time, state, duration and details in separate columns 4. Added a quick launch drop down list to main Window (only visible when mouse hover over it) 5. Removed the toolbar border. 6. Changed Windows service collector to report error only when all services from al...VK.NET - Vkontakte API for .NET: VkNet 1.0.5: ?????????? ????? ??????.Kartris E-commerce: Kartris v2.6002: Minor release: Double check that Logins_GetList sproc is present, sometimes seems to get missed earlier if upgrading which can give error when viewing logins page Added CSV and TXT export option; this is not Google Products compatible, but can give a good base for creating a file for some other systems such as Amazon Fixed some minor combination and options issues to improve interface back and front Turn bitcoin and some other gateways off by default Minor CSS changes Fixed currenc...SimCityPak: SimCityPak 0.3.1.0: Main New Features: Fixed Importing of Instance Names (get rid of the Dutch translations) Added advanced editor for Decal Dictionaries Added possibility to import .PNG to generate new decals Added advanced editor for Path display entriesTiny Deduplicator: Tiny Deduplicator 1.0.1.0: Increased version number to 1.0.1.0 Moved all options to a separate 'Options' dialog window. Allows the user to specify a selection strategy which will help when dealing with large numbers of duplicate files. Available options are "None," "Keep First," and "Keep Last"C64 Studio: 3.5: Add: BASIC renumber function Add: !PET pseudo op Add: elseif for !if, } else { pseudo op Add: !TRACE pseudo op Add: Watches are saved/restored with a solution Add: Ctrl-A works now in export assembly controls Add: Preliminary graphic import dialog (not fully functional yet) Add: range and block selection in sprite/charset editor (Shift-Click = range, Alt-Click = block) Fix: Expression evaluator could miscalculate when both division and multiplication were in an expression without parenthesisSEToolbox: SEToolbox 01.031.009 Release 1: Added mirroring of ConveyorTubeCurved. Updated Ship cube rotation to rotate ship back to original location (cubes are reoriented but ship appears no different to outsider), and to rotate Grouped items. Repair now fixes the loss of Grouped controls due to changes in Space Engineers 01.030. Added export asteroids. Rejoin ships will merge grouping and conveyor systems (even though broken ships currently only maintain the Grouping on one part of the ship). Installation of this version wi...Player Framework by Microsoft: Player Framework for Windows and WP v2.0: Support for new Universal and Windows Phone 8.1 projects for both Xaml and JavaScript projects. See a detailed list of improvements, breaking changes and a general overview of version 2 ADDITIONAL DOWNLOADSSmooth Streaming Client SDK for Windows 8 Applications Smooth Streaming Client SDK for Windows 8.1 Applications Smooth Streaming Client SDK for Windows Phone 8.1 Applications Microsoft PlayReady Client SDK for Windows 8 Applications Microsoft PlayReady Client SDK for Windows 8.1 Applicat...TerraMap (Terraria World Map Viewer): TerraMap 1.0.6: Added support for the new Terraria v1.2.4 update. New items, walls, and tiles Added the ability to select multiple highlighted block types. Added a dynamic, interactive highlight opacity slider, making it easier to find highlighted tiles with dark colors (and fixed blurriness from 1.0.5 alpha). Added ability to find Enchanted Swords (in the stone) and Water Bolt books Fixed Issue 35206: Hightlight/Find doesn't work for Demon Altars Fixed finding Demon Hearts/Shadow Orbs Fixed inst...DotNet.Highcharts: DotNet.Highcharts 4.0 with Examples: DotNet.Highcharts 4.0 Tested and adapted to the latest version of Highcharts 4.0.1 Added new chart type: Heatmap Added new type PointPlacement which represents enumeration or number for the padding of the X axis. Changed target framework from .NET Framework 4 to .NET Framework 4.5. Closed issues: 974: Add 'overflow' property to PlotOptionsColumnDataLabels class 997: Split container from JS 1006: Series/Categories with numeric names don't render DotNet.Highcharts.Samples Updated s...PowerShell App Deployment Toolkit: PowerShell App Deployment Toolkit v3.1.3: Added CompressLogs option to the config file. Each Install / Uninstall creates a timestamped zip file with all MSI and PSAppDeployToolkit logs contained within Added variable expansion to all paths in the configuration file Added documentation for each of the Toolkit internal variables that can be used Changed Install-MSUpdates to continue if any errors are encountered when installing updates Implement /Force parameter on Update-GroupPolicy (ensure that any logoff message is ignored) ...WordMat: WordMat v. 1.07: A quick fix because scientific notation was broken in v. 1.06 read more at http://wordmat.blogspot.com????: 《????》: 《????》（c???）??“????”???????，???????????????C?????????。???????,???????????????????????. ??????????????????????????????????；????????????????????????????。New Projects2112110016: BÀI T?P OOP2112110072: 2112110072 Bai tap OOPA more efficient algorithm for an NP-complete problem: Algorithm for finding Hamiltonian cycle.Asprise OCR for C#/VB.NET Sample Applications: Embeded with a high performance OCR (optical character recognition) engine, Asprise OCR SDK library for Java, VB.NET, CSharp.NET, VC++, VB6.0, C, C++, Delphi onDisenio1Obli1: Obligatorio desarrollado por Santiago Perez y Germán Otero Universidad ORT, Año 2014DuAnCuoiKy: lap trinh windows form cuoi ky, quan ly sinh vien truong hoc student management systemEnterprise Integration and BPM - A WF Integration and BPM blueprint: A CQRS based EAI (Enterprise Application Integration) and BMP (Business Process Management) blueprint using Message Queues and Windows Workflow Foundation.GU.ERP: saLaunchPad2: A remote device timing and control systemNMusicCreator: A simple program for creating music.PPM: ??SharePoint 2013 Latency Health Analyzer Rule: Analyze network latency for all SQL Servers using this custom health analyzer rule.SnapPea: A simple MVC content management system.The Bubble Index: The Bubble Index, a Java (TM) application to measure the level of financial bubbles. Published with GNU General Public License version 2 (GPLv2).Tools for Manufacturing: t4mfg is a set of programs to be used by small to medium sized companies that manufacture goods to order.Unix Project Template: A simple framework for creating unix projects using C++ and make.

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• Warnings When Undo Isn't Possible

  - by ultan o'broin

  Enjoyed this post Never Use a Warning When you Mean Undo by Aza Raskin. It makes sense never to warn users if an undo option is possible. The examples given are from the web space. Here's the conclusion: Warnings cause us to lose our work, to mistrust our computers, and to blame ourselves. A simple but foolproof design methodology solves the problem: "Never use a warning when you mean undo." And when a user is deleting their work, you always mean undo. However, in enterprise apps you may find that an undo option isn't technically possible or desirable. Objects may be shared, part of a flow elsewhere, or undoing something committed to the database (a rollback I guess) may not be feasible if it becomes locked by another process. Plus, what constitutes user ownership of objects isn't always clear to users. The implications of delete (and other) actions need to be clearly communicated out in advance. Really, warnings are important in the enterprise space. Data has a very high value, and users can perform a wide variety of actions that may risk that data, not always within the application itself (at browser level, for example). That said, throwing warnings all over the place when an undo option is possible is annoying. Instead, treat warnings with respect. When there is no undo option possible, use warning messages to communicate potentially dangerous or irrecoverable actions or the downstream consequences of user actions on the process or task flow. Force the user to respond to a warning message by using a modal dialog with clearly labeled action buttons. Here's a couple of examples. A great article that got me thinking. Let's see more like that. Let's not forget there's more types of messages than just error messages. User assistance and user experience professionals need to understand when best to use confirmation, information, and warning types too!

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• Free 48 Page PDF Guide to Mastering Social Networking with Gwibber [Linux]

  - by Asian Angel

  Are you using Gwibber on your Linux system but not making full use of its’ potential? This free 48 page PDF guide will show you how to use and tweak Gwibber for the best performance when it comes to working with your social networks. Photo courtesy of Gwibber Blog. Examples of sections included in the guide are: Installing and getting started with Gwibber Becoming familiar with Gwibber’s UI Broadcasting and interacting on your social networks through Gwibber Filtering the flow of information Customizing the interface And more Here is an excerpt from the section on Filtering the Flow of Information. The step by step instructions combined with helpful, labeled screenshots make this a nice guide to have for anyone wanting to get the most out of Gwibber for their social networking needs. Note: Gwibber works with Twitter, identi.ca, StatusNet, Facebook, FriendFeed, Digg, Flickr, and Qaiku. Download the Master Social Networking with Gwibber PDF Guide [via OMG! Ubuntu!] *Note: In this instance this is a direct download of the PDF Guide itself. Visit the Gwibber Homepage HTG Explains: What Are Character Encodings and How Do They Differ?How To Make Disposable Sleeves for Your In-Ear MonitorsMacs Don’t Make You Creative! So Why Do Artists Really Love Apple?

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• Portal and Content - Components, part 3 – Applied Customization Framework (4 of 7)

  - by Stefan Krantz

  Have you ever been challenged with the situation where your work task asks you to implement functionality in the WebCenter Portal and you browse through the Resource Catalog (Business Dictionary) and find the functionality you need. However when you get started there is small short comings and you ask your self- how can I re-use what is out of the box ca?- I wonder what code I need to use to produce the similar functions and include my new requirements?- Must I write a new taskflow? The answer to above questions are in many times answered with simply you can  do a taskflow customization to out-of-the-box taskflows. In this post I will help you understand how to do such customization. Best described is a 4 step process, see image flow below for illustration: Just to clarify few naming confusions that might occur when go through above process. Customization Role is a function within JDeveloper that will allow you to implement view and flow customizations to existing taskflows WebCenter Portal – Spaces Taskflow Customization Framework this technology scope do not only refer to WebCenter Spaces, this also include WebCenter Portal/Framework A taskflow customization do not overwrite or replace any code, it just creates an additional tip view of the taskflow in the MDS for the current application (WebCenter Portal or WebCenter Spaces) To sum up this simple procedure I also like to help you find your way around the main topic for this post series, this post series is focusing primarily on Content integration with WebCenter Portal, so where can I find content related taskflows in the WebCenter Libraries. The list below mention some useful locations to taskflows and each taskflow page fragments. Library Reference - WebCenter Document Library Service View Content Presenter Path: oracle.webcenter.doclib.view.jsf.taskflows.presenterTaskflow: contentPresenter.xml - The Content Presenter taskflowTaskflow: contentPresenterWizard.xml - The publishing wizard to select content, select template and preview including contributionDocument Manager Path: oracle.webcenter.doclib.view.jsf.taskflows.docManager Taskflow: documentManager.xml - The Document Manager taskflow which includes references to document management feature including browsing, download, uploading and viewing. For more information on Taskflow customizations please see following documentation:http://docs.oracle.com/cd/E23943_01/webcenter.1111/e10148/jpsdg_taskflows.htm#BACIEGJD

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