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• How do I execute find with GNU xargs to traverse a set of directories?

  - by wilhelmtell

  $ echo {a,b,c}.h d e.h |xargs -IA find A -name '*.h' find: `a.h b.h c.h d e.h': No such file or directory $ echo -e a.h\\nb.h c.h d e.h |xargs -IA find A -name '*.h' a.h find: `b.h c.h d e.h': No such file or directory The problem is that -I implies xargs will assume arguments are delimited by newline. I'm not sure why that is. I reckon I can solve this problem with sed, but I wonder if there's an xargs trick or idiom I'm not familiar with that people use to solve this. I'm looking for a solution that will also work on OS X. On OS X the xargs -J switch seems to work fine. The manpage claims this switch will just control where the arguments are placed for the executable -- which is exactly what I want.

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• I need a server or service that reroutes DNS requests

  - by Relentim

  We have two external servers, Dev and Prod. We are a software house and in the code we have a subdomain metrics.company.com that points to Prod. Development is continuous and our internal and external developers and testers will need to switch from Dev to Prod and back again. It is not an option to have a different sub domain in the code during development and change this for production. The way we wish to switch between Dev and Prod is to use DNS. We need a public DNS server that behaves normally apart from routing metrics.company.com to Dev. The users will be able to swap their DNS back and forward to hit the different servers. What is the easiest way to do this? Is there a company that hosts this service or am I going to have to rent a server and set it up myself? Any help would be much appreciated.

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• How to change XFCE to LXDE?

  - by kurp

  I've just installed LinuxMint XFCE, which seems to be still a bit to heavy for my hardware. Thus, I'm thinking about LXDE installation and wonder if a new Linux installation is necessary/advised in such case. The question is: how to switch easily? The additional questions are: a) is it necessary to remove the XFCE packages or both DEs may be installed at the same time? b) is there any way to simply switch between DEs (i.e. have both DEs available and boot with DE selected each time)? c) are there any performance consequences of having more than one DE installed? it means: is clean LXDE installation faster than Linux with 2 separate desktops?

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• SBS 2011 on different subnet than domain computers

  - by Ravi

  The setup is as follows: SBS 2011 in datacentre on subnet A Domain PCs at another location on subnet B There is a site-to-site VPN. The domain PCs have joined the domain and have the SBS as their primary DNS server. The domain PCs can ping the DC but the problem is that the DC cannot ping any of the remote subnet (subnet B) SBS --Switch -- Router A ------------------- Router B -- Switch -- Domain PCs What is strange is that router A can ping any host on the subnet B. Another host on Subnet A can also ping any host on subnet B. It's only the DC which cannot ping anything to that specific remote subnet B. I did a tracert from the SBS to router B. The packet reaches Router A from the SBS but then it fails. Am I missing some specific settings that needs to be done when SBS is on a different subnet than its member pcs ?

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• Why did my laptop turn off?

  - by darenw

  Normally I can slip my running laptop into a backpack, go somewhere, and if it's no more than about half an hour later, it'll still be running. At the destination I plug in the AC power unit and all is well. I run it off of the AC unit before and after the trip, have the screen at less than full backlight brightness, and don't have any peripherals that burn power. Sometimes the wireless switch accidentally slides in the backpack, and that causes extra power to be used and the laptop dies before I reach the destination. Sad, but so be it. But sometimes the wireless switch is off, I've reached the destination in less than 30 minutes (typically 10-20 min), and I know the battery was fully charged, yet the machine is off. Is there a way to determine, after the fact, why the machine shut itself off? I'm running Linux on a fairly powerful Gateway with 4GB RAM, fancy nvidia graphics, dual core cpu, chosen more for number crunching power than battery life, but should last easily for half an hour if not an hour.

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• reduce memory footprint of java virtual machine

  - by Lorenzo Boccaccia

  I've a citrix server where multiple users use a multiple java application. Is there a way to reduce the memory footprint of the jvm itself? The max heap is already set fairly low (64MB), as the permgen (32MB) space and we're to the point that the jvm itself uses way more memory than the application itself (the committed area is around 350MB) I'm looking for a way to reduce the jvm ram usage or to make the all the applications run within the same jvm or any other way of sharing common pages between running jvm (if possible) or try switch to switch to a jvm if a jvm exists having optimizations relative to this scenario currently using windows 2003 server and sun java virtual machine 1.6

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• IPTables masquerading with one NIC

  - by Tuinslak

  Hi, I am running an OpenVPN server with only one NIC. This is my current layout: public.ip > Cisco firewall > lan.ip > OpenVPN server lan.ip = 192.168.22.70 The Cisco firewall forwards the requests to the oVPN server, thus so far everything works and clients are able to connect. However, all clients connected should be able to access 3 networks: lan1: 192.168.200.0 (vpn lan) > tun0 lan2: 192.168.110.0 (office lan) > eth1 (gw 192.168.22.1) lan3: 192.168.22.0 (server lan) > eth1 (broadcast network) So tun0 is mapped to eth1. Iptables output: # iptables-save # Generated by iptables-save v1.4.2 on Wed Feb 16 14:14:20 2011 *filter :INPUT ACCEPT [327:26098] :FORWARD DROP [305:31700] :OUTPUT ACCEPT [291:27378] -A INPUT -i lo -j ACCEPT -A INPUT -i tun0 -j ACCEPT -A INPUT -i ! tun0 -p udp -m udp --dport 67 -j REJECT --reject-with icmp-port-unreachable -A INPUT -i ! tun0 -p udp -m udp --dport 53 -j REJECT --reject-with icmp-port-unreachable -A FORWARD -d 192.168.200.0/24 -i tun0 -j DROP -A FORWARD -s 192.168.200.0/24 -i tun0 -j ACCEPT -A FORWARD -d 192.168.200.0/24 -i eth1 -j ACCEPT COMMIT # Completed on Wed Feb 16 14:14:20 2011 # Generated by iptables-save v1.4.2 on Wed Feb 16 14:14:20 2011 *nat :PREROUTING ACCEPT [302:26000] :POSTROUTING ACCEPT [3:377] :OUTPUT ACCEPT [49:3885] -A POSTROUTING -o eth1 -j MASQUERADE COMMIT # Completed on Wed Feb 16 14:14:20 2011 Yet, clients are unable to ping any ip (including 192.168.200.1, which is the oVPN's IP) When the machine was directly connected to the internet, with 2 NICs, it was quite simply solved with masquerading and adding static routes in the oVPN client's config. However, as masquerading won't accept virtual interfaces (eth0:0, etc) I am unable to get masquerading to work again (and I'm not even sure whether I need virtual interfaces). Thanks. Edit: OpenVPN server: # ifconfig eth1 Link encap:Ethernet HWaddr ba:e6:64:ec:57:ac inet addr:192.168.22.70 Bcast:192.168.22.255 Mask:255.255.255.0 inet6 addr: fe80::b8e6:64ff:feec:57ac/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:6857 errors:0 dropped:0 overruns:0 frame:0 TX packets:4044 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:584046 (570.3 KiB) TX bytes:473691 (462.5 KiB) Interrupt:14 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:334 errors:0 dropped:0 overruns:0 frame:0 TX packets:334 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:33773 (32.9 KiB) TX bytes:33773 (32.9 KiB) tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:192.168.200.1 P-t-P:192.168.200.2 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) ifconfig on a client: # ifconfig eth0 Link encap:Ethernet HWaddr 00:22:64:71:11:56 inet addr:192.168.110.94 Bcast:192.168.110.255 Mask:255.255.255.0 inet6 addr: fe80::222:64ff:fe71:1156/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3466 errors:0 dropped:0 overruns:0 frame:0 TX packets:1838 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:997924 (974.5 KiB) TX bytes:332406 (324.6 KiB) Interrupt:17 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:37847 errors:0 dropped:0 overruns:0 frame:0 TX packets:37847 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2922444 (2.7 MiB) TX bytes:2922444 (2.7 MiB) tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:192.168.200.30 P-t-P:192.168.200.29 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:689 errors:0 dropped:18 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:0 (0.0 B) TX bytes:468778 (457.7 KiB) wlan0 Link encap:Ethernet HWaddr 00:16:ea:db:ae:86 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:704699 errors:0 dropped:0 overruns:0 frame:0 TX packets:730176 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:520385963 (496.2 MiB) TX bytes:225210422 (214.7 MiB) static routes line at the end of the client's config (I've been playing around with the 192.168.200.0 -- (un)commenting to see if anything changes): route 192.168.200.0 255.255.255.0 route 192.168.110.0 255.255.255.0 route 192.168.22.0 255.255.255.0 route on a vpn client: # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.200.29 0.0.0.0 255.255.255.255 UH 0 0 0 tun0 192.168.22.0 192.168.200.29 255.255.255.0 UG 0 0 0 tun0 192.168.200.0 192.168.200.29 255.255.255.0 UG 0 0 0 tun0 192.168.110.0 192.168.200.29 255.255.255.0 UG 0 0 0 tun0 192.168.110.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 0.0.0.0 192.168.110.1 0.0.0.0 UG 0 0 0 eth0 edit: Weirdly enough, if I set push "redirect-gateway def1" in the server config, (and thus routes all traffic through VPN, which is not what I want), it seems to work.

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• How can I change my language/keyboard input language system-wide temporarily?

  - by Adam Lynch

  I currently have two languages set up; English and Dutch. The only difference is in keyboard input. The Dutch one uses the French/Belgian AZERTY layout and the English one uses the Irish/English QWERTY layout (@ = Shift+'). When a Belgian colleague needs to use my computer, I switch the language to NL (Dutch) (therefore the input to AZERTY) using the language bar, but it seems to be application-specific. (I.e: After changing the input to AZERTY for my colleague, if he then clicks on another program it switches back to QWERTY for that program). Is there a way I can quickly switch between the two comprehensively yet temporarily?

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• What keyboard-friendly news readers exist for OSX? [closed]

  - by Chris R

  Possible Duplicate: Free Usenet reader for Mac OS X I'm interested in keyboard-navigation-friendly usenet clients for OSX. I have tried (and bought) Unison and Thunderbird, but both of these end up requiring a fair amount of mouse use to move around. What I want is something I can task-switch to, check my latest updates, and switch away from, all without having to take my hands off of the keyboard. I should clarify; this is for an internal, private nntp server, so Google Groups and sundry -- basically all web news readers -- won't do for me.

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• Netboot Intel Macs without BSDP

  - by notpeter

  I have a netboot setup with DeployStudio that works great in my lab, but doesn't work on our main network. After some digging, I believe it's because our network admins are filtering BSDP (Boot Service Discovery Protocol) on our subnet at the switch level. Is it possible to hard code which server my clients (early 2007 iMac Core2Duos) should boot from without relying on BSDP? Perhaps relevant details: I do not have control over switch configs or DHCP settings. Client and server are running 10.6 Snow Leopard. The clients see the netboot server advertising itself in the 'Startup Disk' system preferences pane, but when I go to netboot it just leaves me with a flashing globe.

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• LAN not picking up gigabit connection through patch panel

  - by user332555

  I have just purchased 2 FVS318G switches to install at my store. How this is set up is the server is in the back room. We have Cat 5E ran up through the ceiling and is patched into a panel in the back room. The 2 switches I just purchased are right next to the server in the back where all the cables patch in. I do a direct connection from the server to switch, avoiding the patch panel completely, and receive 1.0 gbps connection no problem. When i patch in the register computers from the front into the panel and then to the switch I am only getting 100 mbps on the registers up front. The patch panel does say Cat 5E on it but I am not sure if there is any interference in the line somewhere and I cannot get the full 1.0 gbps to the front registers like I want. Any ideas??

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• Linksys EA3500 : use WAN port as WAN + LAN possible?

  - by Dough

  I'm waiting for deliver of a Linksys EA3500 router. I was wondering if it was possible to get the WAN port act as normal WAN port (Internet IP) + LAN switch ? My problem is that my Internet box is in a room with NAS and PC, and the router will be in another room with TV, PS3 and PC. The Internet box have a 4 port Gigabit switch so one cable will plug from there to the router's WAN in the other room. The router will get the Internet IP from the Internet box, but will it be possible to have private network through this link too ? I could have a first network between the Internet box and the router, and another network form router and devices but that will do double NAT for nothing... Thanks for reading me and your help !

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• Unable to su root: "No such file or directory" error

  - by kennedysee

  [user@freebsd ~]$ su root Password: su: bashlia: No such file or directory How come I cannot switch user to root account?

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• su: bashlia: No such file or directory

  - by kennedysee

  [user@freebsd ~]$ su root Password: su: bashlia: No such file or directory How come i cannot switch user to root account?

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• Web browsing is fast, but downloads are slow

  - by Ricket

  I work for a company on my university's campus, helping with general IT problems and some web development. But lately there has been a problem that has me and my boss completely stumped. We, plus one contractor, make up the entire IT department, so I'm reaching out to you for help. All around the office, we have wall jacks. These collect in a closet down the hall and all plug into a switch. This switch, along with our individual server jacks, plugs into another switch, and that switch plugs into our firewall hardware. Then the firewall is connected out to our campus network. Our campus internet is, well, very fast. I don't know exactly the terms, tiers, etc., but we have thousands of students and downloads can run as fast as 10 MB/s at night; uploads are sometimes even faster. I think we're practically ISP level. In short, I have a lot of faith that it is not the campus side of things that is causing a problem, combined with other evidence I'll mention in a moment. So our symptoms: web browsing is fast. Web pages, images, etc. load instantly. No problems there. But then when I go to download something, the download starts fast but very quickly (a matter of seconds) drops to nearly 0. Often it will actually drop to 0 and time out. This happens with even very small files, 1 MB or less. It smells to me like a QoS sort of thing. I'm not entirely sure, and I wanted to get your opinions first. My boss is hesitant to touch our firewall, much less let me touch it, and it was set up and is managed by a consultant remotely. These problems don't seem tied to a time of the day. I've tried downloads after 5:00 and still the same thing happens. From my desk, I can turn on my wireless adapter and pick up the campus wireless access point. If I unplug ethernet and connect to it, downloads are fast. This adds to my suspicion that it's limited to our company network. Also, a number of weeks ago the consultant upgraded our firewall firmware. Suddenly everything was very fast. I tested with downloads from Sun and speedtest.net and things were blazing fast, as they should be with our campus internet! It was wonderful, and I figured the slow speeds were an old firmware bug. In a matter of days, things steadily declined until they were back to the old symptoms. Oh, and we have antivirus installed on every computer, and we keep it up to date. Though I suppose the possibility is still there that someone could have spyware which is bogging down our internet, in which case what is the easiest/best way to find this out? (maybe this should go in a separate question) Thank you for your patience in reading all of this. Do you have any ideas as to what I can try? Is this something that you've experienced before? What sort of tools or methods can I use to try and diagnose the problem? P.S. everything here is Windows. Windows Server 2003 and 2008 on our servers, and Windows XP on employees' machines. Update: We are submitting a ticket to the university to just take a look and see if they see anything unusual and/or can suggestion methods for us to try and pinpoint our problem. Hopefully they'll be helpful! I'll update this to let you know what goes on. Update again: We found a hub (yes, a HUB) right between our campus connection and our firewall. It had only those two ethernet cables plugged into it, nothing else. After removing the hub, our speeds have jumped up to several mbps. However in talking with the campus, we got them to run a gigabit line to our firewall in place of the 100mbps line. As of friday, we are at about 65 mbps up and down (according to speedtest.net at 8am)!! Go NC State!!

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• How to fetch a cpu status thought net-snmp

  - by Steve.DC.Tang

  I want to fetch a device's cpu and memory status thought net-snmp. I get my device's info with this command: snmpwalk -v 2c -c public 210.38.xxx.xxx system And I got this info: SNMPv2-MIB::sysDescr.0 = STRING: Ruijie High-density IPv6 10G Core Routing Switch(S8606) By Ruijie Network SNMPv2-MIB::sysObjectID.0 = OID: SNMPv2-SMI::enterprises.4881.1.1.10.1.43 DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (1978814424) 229 days, 0:42:24.24 SNMPv2-MIB::sysContact.0 = STRING: SNMPv2-MIB::sysName.0 = STRING: S8606 SNMPv2-MIB::sysLocation.0 = STRING: SNMPv2-MIB::sysServices.0 = INTEGER: 7 Now I want to fetch the cpu status, and I search my question on Google, somebody offer a oid for query the cpu status: snmpwalk -v 2c -c public 210.38.xxx.xxx usageOfCPU But it doesn't worked : No log handling enabled - using stderr logging usageOfCPU: Unknown Object Identifier (Sub-id not found: (top) - usageOfCPU) Somebody told me some switch has its private MIB, and you can use it to see its CPU status, is that right? I hope someone can solve me question......

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• What is AddType application/x-httpd-php-source

  - by egor

  I have the apache2.0, PHP5.2.4 and the directive in the httpd.conf: AddType application/x-httpd-php-source .php .php3 .php4 .php5 .php6 AddType directive is used to maps the given filename extensions onto the specified content type. This is the only meaning of this directive. But why does this method switch off PHP handler, that assigned .php extensions, and I can view source code of scripts in my browser? And another: AddType application/x-httpd-php5 .php Why does this method switch on PHP handler? This simply must send header "Content-Type: application/x-httpd-php5" to my browser and this must be only meaning of directive AddType from mod_mime. I'm confused. Thanks for your replies.

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• Can connect to Samba, but access denied to homes

  - by user893730

  I can connect to the samba server using both IP address and server name, and I can see the home folder name, but can't connect to it smb.cnf [global] workgroup = WORKGROUP server string = Venus wins support = no read only = no browsable = yes create mode = 0777 directory mode = 0777 case sensitive = no dns proxy = no interfaces = 127.0.0.1/8 eth0 bind interfaces only = yes log file = /var/log/samba/log.%m max log size = 1000 syslog = 0 security = user encrypt passwords = true passdb backend = smbpasswd obey pam restrictions = yes unix password sync = no passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . pam password change = no [homes] comment = User Directories path = /data/localdevs/%u public = no browsable = yes writable = yes the /etc/samba folder has the following files in it lmhosts smb.conf smb.conf.orig smbusers The output of "sudo pdbedit -L" is user1:500: ls -abl /data/localdevs/ drwxr-xr-x. 4 user1 user1 4096 Jul 24 17:35 user1 These are what samba logs are showing when I get the access denied to user1's home directory [2012/07/24 20:27:08.599216, 3] smbd/process.c:1489(process_smb) Transaction 24 of length 90 (0 toread) [2012/07/24 20:27:08.599350, 3] smbd/process.c:1298(switch_message) switch message SMBntcreateX (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.599373, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.599412, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.599485, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.599508, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.599552, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.599581, 3] smbd/dosmode.c:166(unix_mode) unix_mode(.) returning 0766 [2012/07/24 20:27:08.599643, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.599668, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.599707, 4] smbd/open.c:1990(open_file_ntcreate) calling open_file with flags=0x0 flags2=0x0 mode=0766, access_mask = 0x81, open_access_mask = 0x81 [2012/07/24 20:27:08.599806, 3] smbd/open.c:467(open_file) Error opening file . (NT_STATUS_ACCESS_DENIED) (local_flags=0) (flags=0) [2012/07/24 20:27:08.599838, 3] smbd/error.c:80(error_packet_set) error packet at smbd/error.c(160) cmd=162 (SMBntcreateX) NT_STATUS_ACCESS_DENIED [2012/07/24 20:27:08.604075, 3] smbd/process.c:1489(process_smb) Transaction 25 of length 90 (0 toread) [2012/07/24 20:27:08.604193, 3] smbd/process.c:1298(switch_message) switch message SMBntcreateX (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.604216, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.604268, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.604336, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.604395, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.604419, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.604442, 3] smbd/dosmode.c:166(unix_mode) unix_mode(.) returning 0766 [2012/07/24 20:27:08.604532, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.604554, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.604583, 4] smbd/open.c:1990(open_file_ntcreate) calling open_file with flags=0x0 flags2=0x0 mode=0766, access_mask = 0x81, open_access_mask = 0x81 [2012/07/24 20:27:08.604679, 3] smbd/open.c:467(open_file) Error opening file . (NT_STATUS_ACCESS_DENIED) (local_flags=0) (flags=0) [2012/07/24 20:27:08.604705, 3] smbd/error.c:80(error_packet_set) error packet at smbd/error.c(160) cmd=162 (SMBntcreateX) NT_STATUS_ACCESS_DENIED [2012/07/24 20:27:08.606977, 3] smbd/process.c:1489(process_smb) Transaction 26 of length 80 (0 toread) [2012/07/24 20:27:08.607096, 3] smbd/process.c:1298(switch_message) switch message SMBtrans2 (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.607119, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.607139, 3] smbd/trans2.c:5100(call_trans2qfilepathinfo) call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = 1004 [2012/07/24 20:27:08.607162, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.607184, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.607208, 3] smbd/trans2.c:5226(call_trans2qfilepathinfo) call_trans2qfilepathinfo . (fnum = -1) level=1004 call=5 total_data=0 [2012/07/24 20:27:08.608306, 3] smbd/process.c:1489(process_smb) Transaction 27 of length 80 (0 toread) [2012/07/24 20:27:08.608362, 3] smbd/process.c:1298(switch_message) switch message SMBtrans2 (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.608383, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.608403, 3] smbd/trans2.c:5100(call_trans2qfilepathinfo) call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = 1005 [2012/07/24 20:27:08.608439, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.608461, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.608484, 3] smbd/trans2.c:5226(call_trans2qfilepathinfo) call_trans2qfilepathinfo . (fnum = -1) level=1005 call=5 total_data=0

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• Linksys router with multiple external IP's

  - by Adrian Mester

  In an office I've got a network connection with 5 external IPs and a Linksys router (I'm not 100% percent sure of the model). I need 4 of those 5 IPs to be routed to a server, and the fifth to be shared between the other computers at the office. This can probably be done using a switch in front of the router. Connect the server and the router to the switch, and let the router handle the rest of the network. Is there a way to configure the router to route the 4 IPs to the server, and create an internal network the the other computers at the same time?

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• How to assign single port into multiple vlans

  - by maroof Qadri

  Hi.. I have cisco switch 3560 and want to create vlans where in i can have a single port in multiple vlans. I tried creating one port e.g fa0/23 as trunk and then allowed it through multiple vlans but it doesnt work. The said port fa0/23 is not traceable through vlans. Example of what i am looking to establish. Vlan 1 : fa0/1 , fa0/2 , fa0/23 vlan 2 : fa0/3, fa0/4,fa0/23 vlan 3 : fa0/5,fa0/6,fa0/23 The Switchport multi command is not working on this switch which i always execute on cisco catalys 3500xl

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• CISCO WS-C4948-10GE SFP+?

  - by Brian Lovett

  I have a pair of CISCO WS-C4948-10GE's that we need to connect to a new switch that has SFP+ and QSFP ports. Is there an X2 module that supports this? If so, can someone name the part number that will work? I have found some information, but want to make sure I have the correct part number for our exact switches. Per the discussion in the comments, I believe I have a better understanding of things now. Would I be correct in saying that I need these SR modules on the cisco side: [url]http://www.ebay.com/itm/Cisco-original-used-X2-10GB-SR-V02-/281228948970?pt=LH_DefaultDomain_0&hash=item417a8d35ea[/url] Then, on the switch with sfp+ ports, I can pick up an SR to SFP+ transceiver like this: [url]http://www.advantageoptics.com/SFP-10G-SR_lp.html?gclid=CKP4s-G27b4CFXQiMgodLD8AQA[/url] and finally, an SR calbe such as this: [url]http://www.colfaxdirect.com/store/pc/viewPrd.asp?idproduct=1551[/url] Am I on the right track here?

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• How to get access to console to reset Cisco 3750?

  - by genehack

  I acquired two Cisco 3750 switches from another part of my organization. I was able to complete the standard password/config reset procedure on one without any issues -- boot it, put it into express config mode, telnet in, reset the passwords, etc. The second one doesn't ever boot to the point where it displays anything on the console. When power cycled, the 'SYST' light flashes green a few times, then comes on a solid green and stays lit. None of the other lights ever flash or light up. Holding down the 'MODE' button for up to 30 seconds produces no noticeable effects. Nothing ever comes out on the console. Since I was able to configure the first one without any problems, I know my connectinon is good -- console port configured right, good cable, etc. Is this just a hardware problem with the switch? Is there any way I can recover from this and get the switch back into a state where I can configure it?

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• Link bonding across multiple switches?

  - by Bryan Agee

  I've read up a little bit on bonding nics with ifenslave; what I'm having trouble understanding is whether there is special configuration needed in order to split the bonds across two switches. For example, if I have several servers that all have two nics each, and two separate switches, do I just configure the bonds and plug 1 nic from each into switch #1 and the other from each into switch #2? or is there more to it than that? If the bonds are active-backup, will a nic failure on single machine mean that server may become disconnected since the rest of the machines are using the primary nic and it's using the secondary? Or do you link the switches with one cable as well?

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• keepalived questions (requirements, abilities, limitations)

  - by Poni

  1) What are keepalived's (physical/network) requirements? Does the two (or more) keepalived' nodes need to be connected to the same switch? (something related to broadcasting maybe). 2) Can keepalived nodes run on different networks, "internet" networks? 3) Is keepalived depend on the router? (as far as I understand, the virtual IP should point to the real router/switch that connects both nodes). 4) Is keepalived "service-independent"? - What is keepalived's involvement domain? IPs only? Or is it service/protocol oriented? - Does it deal ONLY with IP, or is it designed for HTTP for example? - In other words, can I use it for custom (network-based) app? 5) Have more than one failover server? If the answer for question #4 is "yes", i.e it depends on the service type, then is there any general alternative? Preferably easy to install/configure :)

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• Is there a Windows 7 equivalent to the *NIX ability to create a hard link to /dev/null?

  - by minameismud

  I saw another question here that the Windows equivalent to /dev/null is simply NUL. I also know that you can use the mklink command to make sym links (shortcuts) from the command line: MKLINK [[/D] | [/H] | [/J]] Link Target /D Creates a directory symbolic link. Default is a file symbolic link. /H Creates a hard link instead of a symbolic link. /J Creates a Directory Junction. Link specifies the new symbolic link name. Target specifies the path (relative or absolute) that the new link refers to. When I try to use the /j switch to make a hard link ("junction") instead of a simple shortcut to NUL, I get: C:\>mklink /j "C:\Program Files\MyNewHardlinkFolder" NUL Local volumes are required to complete the operation. I can create shortcuts to NUL all day long using the /d switch, but I would much prefer the hard link. Any ideas?

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