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  • Networking 2 Virtual PC with one VPC as DHCP server

    - by vivek
    My host OS is Win XP Professional. The host has a real network connection via DSL and I created a second network connection using Microsoft Loopback Adapter. Internet connection sharing is enabled. The Microsoft Loopback adapter has a IP address of 192.168.0.1. I have 1 Virtual PC which has Windows Server 2003. I have setup the network connection on this VPC to use Microsoft Loopback Adapter. I setup this VPC to be the Domain Controller , DNS Server and DHCP Server. I set this to a static IP address 192.168.0.2 (on the same subnet as the MS Loopback adapter) I have a second Virtual PC which also has Windows Server 2003. The network connection on this VPC is set to "Local Only". I want this VPC to get its IP address from the 1st VPC on which I setup as a DHCP server. What i want is the 2 VPC should be in a network with one of the VPC acting as the domain controller, DNS Server and DHCP server. The second VPC shoud get its IP address from the 1st VPC. It should be a part of the domain of the 1st VPC. When i tried to make the second VPC get the IP address from the first VPC I am not succeeding. Can somebody post some suggestions on how to go about this ?

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  • Does not recognize usb sticks and drives

    - by Peter
    When connecting any usb stick to my thinkpad ubuntu 10.10 does not recognize them. I don't see anything on the desktop. the output of "dmesg | tail -n10" gives me: [ 1965.696388] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1965.884537] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.072503] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.260349] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.506227] usb 1-1: new high speed USB device using ehci_hcd and address 9 [ 1966.572375] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.760379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.948358] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.136335] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.325423] hub 1-0:1.0: unable to enumerate USB device on port 1 When connecting my usb scanner to the same port: [ 2008.480135] usb 1-1: new high speed USB device using ehci_hcd and address 65 [ 2008.548389] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.736786] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.924379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.112348] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.300443] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.488536] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.732180] usb 1-1: new high speed USB device using ehci_hcd and address 71 [ 2014.796299] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2018.000128] usb 2-1: new full speed USB device using uhci_hcd and address 3 And ubuntu 10.10 recognizes that scanner. So: What can i do to see my usb stick? BTW: on my other Thinkpad running fedora 14 it works perfectly... Cheers -Peter

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  • Mac OS X Server 10.6.6 DNS not responding properly, get a "Truncated, retrying in TCP mode" for subdomain

    - by Eric Arseneau
    If I do an nslookup on youtube.com, no problem, if I do one with www.youtube.com, failure. See details below. [~] nslookup youtube.com Server: 192.168.1.1 Address: 192.168.1.1#53 Non-authoritative answer: Name: youtube.com Address: 74.125.127.93 Name: youtube.com Address: 74.125.47.93 Name: youtube.com Address: 74.125.95.93 [~] nslookup www.youtube.com ;; Truncated, retrying in TCP mode. ;; Connection to 192.168.1.1#53(192.168.1.1) for www.youtube.com failed: connection refused. If I do the same from a Windows machine its fine, its when I do it from a Mac workstation that I get the issue. I have rebooted, both server and workstation, I did a changeip, but nothing is working. Any recommendations?

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  • USB keyboard stopped working in Ubuntu with error -71

    - by tapan
    I have a usb keyboard which was working perfectly till now (about a year since i have been regularly using ubuntu). It suddenly stopped working. It stopped working when I connected a USB HDD. Now the keyboard works randomly .. working for a while and then stops working for a longer time. Here is the dmesg output : [ 705.817076] usb 5-1: device not accepting address 8, error -71 [ 705.928032] usb 5-1: new low speed USB device using uhci_hcd and address 9 [ 706.336060] usb 5-1: device not accepting address 9, error -71 [ 706.448055] usb 5-1: new low speed USB device using uhci_hcd and address 10 [ 706.568044] usb 5-1: device descriptor read/64, error -71 [ 706.792049] usb 5-1: device descriptor read/64, error -71 [ 707.008060] usb 5-1: new low speed USB device using uhci_hcd and address 11 [ 707.128041] usb 5-1: device descriptor read/64, error -71 [ 707.352052] usb 5-1: device descriptor read/64, error -71 [ 707.456068] hub 5-0:1.0: unable to enumerate USB device on port 1 Based on the suggestions here i tried the following two things: echo -1 > /sys/module/usbcore/parameters/autosuspend echo Y > /sys/module/usbcore/parameters/old_scheme_first However, i am still facing the same problem. Can anyone help me out with this ? I'm using Ubuntu 10.04 Lucid Lynx.

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  • Hosting multiple email domains on single server

    - by sharjeel
    Is it practically possible to host multiple email domains on a single machine with single IP address? Considering that spam filters do RDNS and in that case one IP address may host only one domain to pass the spam filters. If not, how does the hosted email work? Do they have get a separate IP address for each domain's email they host?

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  • ifconfig ignores alias on IPv6

    - by Marten Lehmann
    When I add an IPv4 address for the interface eth0:0 with ifconfig, it is created correctly: ifconfig eth0:0 add 192.168.10.10 This can be verified by ifconfig or "ip a". When I add an IPv6 address however, ifconfig seems to ignore the alias of the interface: ifconfig eth0:0 add fc00::2/48 The address fc00::2/48 is added to eth0 then, not to eth0:0, no matter if eth0:0 previously exists with an IPv4 address or not. I'm doing this on CentOS 5 but I guess it is a general behaviour of ifconfig? Am I doing something wrong or is this by intention? I'm using separate aliases for interfaces very often and I hoped to use it for IPv6 as well. Kind regards Marten

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  • pound: multiple domains

    - by niklassaers
    Hi guys, I've been using pound to run mydomain.dk. Now I've bought some other domains and SSL certificates that are mydomain.no, mydomain.se and mydomain.eu. My old config looked roughly like this: ListenHTTPS Address 81.19.246.120 Port 443 Cert "/usr/local/etc/pound.keys/mydomain.dk.pem" Service BackEnd Address 10.0.10.10 Port 8080 End End End At places like here I've seen that I can use HeadRequire in the Service part, but I want the Host header to go together with the Cert, ideally something like ListenHTTPS Address 81.19.246.120 Port 443 HostAndCert "mydomain.dk" "/usr/local/etc/pound.keys/mydomain.dk.pem" HostAndCert "mydomain.se" "/usr/local/etc/pound.keys/mydomain.se.pem" HostAndCert "mydomain.no" "/usr/local/etc/pound.keys/mydomain.no.pem" HostAndCert "mydomain.eu" "/usr/local/etc/pound.keys/mydomain.eu.pem" Service BackEnd Address 10.0.10.10 Port 8080 End End End Any suggestions or clues to how I can accomplish this? Cheers Nik

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  • How to balance the root domain using NS records?

    - by Patrick McCurley
    I have two load balancers that balance incoming traffic across multiple data centers. These work fine. I can test them out by doing an 'nslookup mydomain.com xIP' I have now taken out DNS services with DYN.com to allow me to manage the DNS Zone file so that typing mydomain.com will ask my load balancers what the IP address is to resolve. Step 1 : the NS record for www. I set up A records (glue) for ns1 & ns2, then the corresponding NS record to delegate the DNS lookup to the balancers instead of DYN.com's nameservers. ns1.mydomain.com A [ip address of load balancer 1] ns2.mydomain.com A [ip address of load balancer 1] www.mydomain.com NS ns1.mydomain.com www.mydomain.com NS ns2.mydomain.com All is well - when I type www.mydomain.com, the requests get delegated to my load balancers who provide the IP address of the endpoint and the connect is made successfully. Step 2 : the NS record for root. This is where I run into problems. I need customers to be able to type 'mydomain.com' (without the www) and ALSO get delegated to the load balancers for the IP address. However - of the research I have done, and through the DYN control panel, it seems to be not allowed to provide an NS record for the root - as this overrides the default NS servers. How can i delegate both the root, and the www. to my load balancers?

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  • Can connect to DNS addresses typed in the URL but not by IP addresses

    - by Ben
    I just changed over my modem to bridged mode, and changed my wireless router to PPPoE. My PC IP address is reserved and forwards port 80 to my computer's IP address based on my MAC address. I have a problem, however. I cannot access my local webserver by public IP address or my router 192.168.0.1 wirelessly from any other computer or iPad. I can, however, connect by this PC which is connected to the wireless router via ethernet. Via wireless, it says it cannot connect, however DNS addresses work (e.g. google.com, etc.) Any ideas?

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  • KVM machine does not start ssh, network is started, used to work

    - by lleto
    have been searching an pulling my hear out for the last 6 hours. I have a virtual machine that has been running fine for the last six months. I was happy ssh'ing into it and it was running a database and some small apps. Tonight ssh stopped working, so I decided to reboot the machine. I now have the following situation: virsh list --all states machine as running I can ping the machine and get a reply When I ssh to the machine I see "ssh: connect to host [myserver] port 22: Connection refused" nmap does not show port 22 as open I have tried to: - reboot the machine once more (no luck) - mount the filesystem and check /etc/ssh/sshd.conf (has not changed since working situation) - install virsh console, however this does not seem to work When I mount the fs directly using losetup the strange thing is that file dates seem to be frozen in /var/log/ around the time of the crash. If I look in /var/run/ I can see an sshd.pid, but the time is 6 hours ago (and numerous reboots). My virsh xml looks like this: <domain type='kvm' id='21'> <name>myserver</name> <uuid>09678c8d-a99b-1d18-a7af-88d027cc8f93</uuid> <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>1</vcpu> <os> <type arch='x86_64' machine='pc-1.0'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> </features> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>destroy</on_crash> <devices> <emulator>/usr/bin/kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/dev/disk01/myserver'/> <target dev='hda' bus='ide'/> <alias name='ide0-0-0'/> <address type='drive' controller='0' bus='0' unit='0'/> </disk> <controller type='ide' index='0'> <alias name='ide0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <interface type='bridge'> <mac address='52:54:00:e3:13:86'/> <source bridge='br0'/> <target dev='vnet0'/> <model type='virtio'/> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> <serial type='pty'> <source path='/dev/pts/1'/> <target port='0'/> <alias name='serial0'/> </serial> <console type='pty' tty='/dev/pts/1'> <source path='/dev/pts/1'/> <target type='serial' port='0'/> <alias name='serial0'/> </console> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='5900' autoport='yes' listen='127.0.0.1'> <listen type='address' address='127.0.0.1'/> </graphics> <video> <model type='cirrus' vram='9216' heads='1'/> <alias name='video0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> <memballoon model='virtio'> <alias name='balloon0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </memballoon> </devices> <seclabel type='dynamic' model='apparmor' relabel='yes'> <label>libvirt-09678c8d-a99b-1d18-a7af-88d027cc8f93</label> <imagelabel>libvirt-09678c8d-a99b-1d18-a7af-88d027cc8f93</imagelabel> </seclabel> </domain> I'm sort of lost as to where I can look to get the machine up and running again. On the same instance of kvm I have another server running which is working fine. Both are Ubuntu 12.04. All help is welcome....

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  • getting Internet connection sharing working in a slightly more complicated configuration

    - by tirichitirca t
    I have the following configuration: Computer A - Mac OSX 10.8.4, wireless & wired adapters Computer B - Windows 7 (64 bit), wireless & wired adapters, has internet connection via the wired adapter (ethernet) d-link wired/wireless router. Problem to solve: Connect from computer A to the internet through the wired connection of computer B. I tried the following: I set up a local network between A and B using the d-link router. The configuration is this: D-link router - 192.168.0.1 A - wired connection to the d-link router, static 192.168.0.101 (I could have used the wireless but I preferred the wired connection) B - wireless connection to the d-link router DHCP 192.168.0.102 (but I made sure it always gets the same address) B - wired connection to the internet using some address that begins with 10.x.y.z. In this configuration A can see B. I enabled ICS on the wired adapter of B. I set up the Gateway of A to point to B and DNS servers to point to the DNS servers specified for the 10.x.y.z address. It doesn't work, A goes only as far as B. It can ping the 10.x.y.z address of B though. I then found this article: http://terrybritton.com/windows-internet-connection-sharing-ics-not-working-with-linux-bridging-is-the-solution-916/. Terry is suggesting that a bridge should be defined on B between the two connections. I tried that but basically computer B is screwed as soon as I create the bridge. It can't connect to the internet anymore. It is as if the network bridge seems to think the traffic to the internet should go from the wired connection to the wireless and not the other way around. The other thing that puzzles me is the router itself. In general the router needs an internet address. In a normal configuration it is the router that gets the ip address and the internet traffic goes through the router. In my case I am not interested in that. So, any suggestions to get this working? I wouldn't shy away from using a commercial software but I would think windows 7 should allow me to do it. Thanks

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  • Hosting 2 different SSL domains on the same IP [closed]

    - by Jim
    Possible Duplicate: Multiple SSL domains on the same IP address and same port? I have 2 different domains, domain1.com and domain2.net. Both require SSL certificates. I've got the certificates signed by a CA and now need to set them up on Apache. I've got a single IP address and have found a post here: SSL site not using the correct IP in Apache and Ubuntu that apparently works for ubuntu but I am on CentOS and have not had the same luck trying that configuration. When I try that configuration, Apache dies telling me that the port is already in use: (98)Address already in use: make_sock: could not bind to address 0.0.0.0:443 I had SSL working for a single domain but now that I've added the second, I get a browser warning about the cert not belonging to the domain. How do I get both domains to work using virtual host containers?

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  • exim4 redirect mail sent to *@domain1.example.com to *@domain2.example.com

    - by nightcoder
    Current situation: We have a VPS that hosts a website example.org. Exim is configured to work as a smarthost. All emails sent through exim are successfully relayed to another mail server (that is working on example.com). Goal: To forward mail sent to *@example.org to *@example.com, i.e. change the recipient's address from *@example.org to *@example.com. Problem: If I send email to address *@example.org, then it seems exim doesn't change the address, it still relays the message to another mail server but recipient is still *@example.org. Maybe the redirect is not applied for some reason. Configuration and logs: /etc/exim4/update-exim4.conf.conf: dc_eximconfig_configtype='smarthost' dc_other_hostnames='' dc_local_interfaces='' dc_readhost='example.org' dc_relay_domains='example.org' dc_minimaldns='false' dc_relay_nets='0.0.0.0/32' dc_smarthost='example.com::26' CFILEMODE='644' dc_use_split_config='false' dc_hide_mailname='true' dc_mailname_in_oh='true' dc_localdelivery='maildir_home' /etc/exim4/conf.d/router/999_exim4-config_redirect (created by me): domain_redirect: debug_print = "R: forward for $local_part@$domain" driver = redirect domains = example.org data = [email protected] (for now data is set to a specific address for simplicity and testing) exim log when sending email to [email protected] (should be redirected to [email protected]): 2012-03-20 19:40:07 1SA4ud-0005Dw-7k <= [email protected] U=www-data P=local S=657 2012-03-20 19:40:08 1SA4ud-0005Dw-7k => [email protected] R=smarthost T=remote_smtp_smarthost H=domain2.com [184.172.146.66] X=TLS1.0:RSA_AES_256_CBC_SHA1:32 DN="C=US,2.5.4.17=#13053737303932,ST=TX,L=Houston,STREET=Suite 400,STREET=11251 Northwest Freeway,O=HostGator.com,OU=HostGator.com,OU=Comodo PremiumSSL Wildcard,CN=*.hostgator.com" 2012-03-20 19:40:08 1SA4ud-0005Dw-7k Completed So, the address is not changed :( Please help! I'm trying to make it work for half a day already :(

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  • Windows 7 Multi-NIC woes

    - by Eric
    I have Comcast business Internet here. It gives me 5 static IPs. Most of the machines in my house connect to a router like every other household. It has a 192.168.117.x subnet, DHCP Server, etc. and all is well. However, I have a second machine on MY desk that has a life Internet IP. Up until yesterday, this machine was running XP Pro. The primary NIC was manually set to 192.168.117.241 with no gateway, and the secondary NIC was manually set to 173.x.x.171 with a gateway of 173.x.x.174. This worked just fine for years. Yesterday I replaced that XP machine with a brand new Windows 7 x64 box. Again, I configured it the same way. The onboard NIC was given a static 192.168.117.x address with no gateway, and the secondary NIC was given a live Internet IP address with the proper router, etc. 2 Problems. First is that the internal network (192.168.117.x) is listed as a public network because there's no gateway, so that means no homegroup, no file sharing, none of that. And I can't change it from what I'm reading... The second is that the machine reports the "router" ip address as it's address, and not the address that it's supposed to. I'm ready to tear my hair out over this. Any ideas?

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  • Apache is running; however, it reports that it is not, and it will not restart.

    - by solo
    Apache is running; however, it reports that it is not, and it will not restart. # /etc/init.d/httpd status httpd.worker is stopped # /usr/sbin/lsof -iTCP:80 COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME httpd.wor 1169 root 3u IPv6 2974 TCP *:http (LISTEN) httpd.wor 1211 daemon 3u IPv6 2974 TCP *:http (LISTEN) httpd.wor 1213 daemon 3u IPv6 2974 TCP *:http (LISTEN) httpd.wor 1215 daemon 3u IPv6 2974 TCP *:http (LISTEN) httpd.wor 1352 daemon 3u IPv6 2974 TCP *:http (LISTEN) #/etc/init.d/httpd restart Stopping httpd: [FAILED] Starting httpd: [Wed Mar 24 10:33:51 2010] [warn] module proxy_ajp_module is already loaded, skipping (98)Address already in use: make_sock: could not bind to address [::]:80 (98)Address already in use: make_sock: could not bind to address 0.0.0.0:80 no listening sockets available, shutting down Unable to open logs [FAILED] OS: Linux DISTRO: CENTOS 5 Restarting the server didn't help, nor did killing apache and starting it. Any idea what is causing this inconsistency?

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  • Silverlight Cream for January 08, 2011 -- #1023

    - by Dave Campbell
    In this Heavy and yet incomplete Issue: Mike Wolf, Walter Ferrari, Colin Eberhardt, Mathew Charles, Don Burnett, Senthil Kumar, cherylws, Rob Miles, Derik Whittaker, Thomas Martinsen(-2-), Jason Ginchereau, Vishal Nayan, and WindowsPhoneGeek. Above the Fold: Silverlight: "Automatically Showing ToolTips on a Trimmed TextBlock (Silverlight)" Colin Eberhardt WP7: "Windows Phone Blue Book Pdf" Rob Miles Sharepoint/Silverlight: "Discover Sharepoint with Silverlight - Part 1" Walter Ferrari Shoutouts: Dave Isbitski has announced a WP7 Firestarter, check for your local MS office: Announcing the “Light up your Silverlight Applications for Windows 7 Firestarter” From SilverlightCream.com: Leveraging Silverlight in the USA TODAY Windows 7-Based Slate App Mike Wolf has a post up about Cynergy's release of the new USA TODAY software for Windows 7 Slate devices, and gives a great rundown of all the resources, and how specific Silverlight features were used... tons of outstanding external links here! Discover Sharepoint with Silverlight - Part 1 Walter Ferrari has tutorial up at SilverlightShow... looks like the first in a series on Silverlight and Sharepoint... lots of low-level info about the internals and using them. Automatically Showing ToolTips on a Trimmed TextBlock (Silverlight) Colin Eberhardt has a really cool AutoTooltip attached behavior that gives a tooltip of the actual text if text is trimmed ... and has an active demo on the post... very cool. RIA Services Output Caching Mathew Charles digs into a RIA feature that hasn't gotten any blog love: output caching, describing all the ins and outs of improving the performance of your app using caching. Emailing your Files to Box.net Cloud Storage with WP7 Don Burnett details out everything you need to do to get Box.Net and your WP7 setup to talk to each other. Shortcuts keys for Developing on Windows Phone 7 Emulator Senthil Kumar has some good WP7 posts up ... this one is a cheatsheet list of Function-key assignements for the WP7 emulator... another sidebar listint Windows Phone 7 Design Guidelines – Cheat Sheet cherylws has a great Guideline list/Cheat Sheet up for reference while building a WP7 app... this is a great reference... I'm adding it to the Right-hand sidebar of WynApse.com Windows Phone Blue Book Pdf Rob Miles has added another book and color to his collection of both -- Windows Phone Programming in C#, also known as the Windows Phone Blue Book... get a copy from the links he gives, and check out his other free books as well. Navigating to an external URL using the HyperlinkButton Derik Whittaker has a post up discussing the woes (and error messages) of trying to navigate to an external URL with the Hyperlink button in WP7, plus his MVVM-friendly solution that you can download. Set Source on Image from code in Silverlight Thomas Martinsen has a couple posts up... first is this quick one on the code required to set an image source. Show UI element based on authentication Thomas Martinsen's latest is one on a BoolToVisibilityConverter allowing a boolean indicator of Authentication to be used to control the visibility of a button (in the sample) WP7 ReorderListBox improvements: rearrange animations and more Jason Ginchereau has updated his ReorderListBox from last week to add some animations (fading/sliding) during the rearrangement. Navigation in Silverlight Without Using Navigation Framework Vishal Nayan has a post that attracted my attention... Navigation by manipulating RootVisual content... I've been knee-deep in similar code in Prism this week (and why my blogging is off) ... Creating a WP7 Custom Control in 7 Steps WindowsPhoneGeek creates a simple custom control for WP7 before your very eyes in his latest post, focusing on the minimum requirements necessary for writing a Custom Control. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Debian/OVH: How to configure multiple Failover IP on the same Xen (Debian) Virtual Machine?

    - by D.S.
    I have a problem on a Xen virtual machine (running latest Debian), when I try to configure a second failover IP address. OVH reports that my IP is misconfigured and they complaint they receive a massive quantity of ARP packets from this IPs, so they are going to block my IP unless I fix this issue. I suspect there's a routing issue, but I don't know (and can't find any useful info on the provider's website, and their support doesn't provide me a valid solution, just bounce me to their online - useless - guides). My /etc/network/interfaces look like this: # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet static address AAA.AAA.AAA.AAA netmask 255.255.255.255 broadcast AAA.AAA.AAA.AAA post-up route add 000.000.000.254 dev eth0 post-up route add default default gw 000.000.000.254 dev eth0 # Secondary NIC auto eth0:0 iface eth0:0 inet static address BBB.BBB.BBB.BBB netmask 255.255.255.255 broadcast BBB.BBB.BBB.BBB And the routing table is: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 000.000.000.254 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 0.0.0.0 000.000.000.254 0.0.0.0 UG 0 0 0 eth0 In these examples (true IP addresses are replaced by fake ones, guess why :)), 000.000.000.000 is my main server's IP address (dom0), 000.000.000.254 is the default gateway OVH recommends, AAA.AAA.AAA.AAA is the first IP Failover and BBB.BBB.BBB.BBB is the second one. I need both AAA.AAA.AAA.AAA and BBB.BBB.BBB.BBB to be publicly reachable from Internet and point to my domU, and to be able to access Internet from inside the virtual machine (domU). I am using eth0 and eth0:0 because due to OVH support, I have to assign both IPs to the same MAC address and then create a virtual eth0:0 interface for the second IP. Any suggestion? What am I doing wrong? How can I stop OVH complaining about ARP flood? Many thanks in advance, DS

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  • DNS entries for OCS 2007 R2 basic deploy

    - by Anero
    I'm doing a test deploy on a Lab with 3 VMs: TEST-DC: DC / DHCP / DNS / Root CA (Joined to TEST.AD Domain) TEST-CS: OCS Front End (Joined to TEST.AD Domain - IP: 10.0.128.1) TEST-EDGES: OCS Edge Server (Joined to Workgroup: EDGE-WKG - Internal IP: 10.0.128.3, External IPs: 192.168.129.12 - Access Edge Server, 192.168.129.13 - Web Conferencing, 192.168.129.14 - A/V) I can login with the Communicator Client from within computers in the domain (using [email protected]) and even the Automatic Sign-In works as expected. Nevertheless, I cannot login neither from within machines in the domain nor from outside the domain using [email protected]. I'm pretty sure it is a DNS related issue, so I'm including below a list of the entries. DNS Entries on TEST-DC: Forward Lookup Zones TEST.AD sip.test.ad (Host A). IP Address: 10.0.128.1 sipinternal.test.ad (Host A). IP Address: 10.0.128.1 sipexternal.test.ad (Host A). IP Address: 10.0.128.3 _sipinternaltls._tcp.test.ad (Service Location SRV). Port: 5061. Host: sipinternal.test.ad _sipinternal._tcp.test.ad (Service Location SRV). Port: 5061. Host: sipinternal.test.ad _sip._tcp.test.ad (Service Location SRV). Port: 5061. Host: sipexternal.test.ad _sipfederationtls._tcp.test.ad (Service Location SRV). Port: 5061. Host: sipexternal.test.ad _sip._tls.test.ad (Service Location SRV). Port: 443. Host: sipexternal.test.ad TEST.COM sip.test.com (Host A). IP Address: 10.0.128.1 sipinternal.test.com (Host A). IP Address: 10.0.128.1 sipexternal.test.com (Host A). IP Address: 10.0.128.3 _sipinternaltls._tcp.test.com (Service Location SRV). Port: 5061. Host: sipinternal.test.com _sipinternal._tcp.test.com (Service Location SRV). Port: 5061. Host: sipinternal.test.com _sip._tcp.test.com (Service Location SRV). Port: 5061. Host: sipexternal.test.com _sip._tls.test.ad (Service Location SRV). Port: 443. Host: sipexternal.test.ad Validation Errors OCS Front End Edge Server I ran the OCS 2007 Automatic Sign-In Troubleshooting and all DNS entries for both TEST.AD and TEST.COM are reported to be OK. What am I missing?

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  • OpenVPN, Server 12.04, connect to machines in home LAN behind VPN server

    - by inexion
    Problem: I've set up a working OpenVPN server, and am able to connect to it from anywhere using my mac laptop and tunnelblick. When I connect in, I'm assigned an IP address of 10.8.0.x, the server is 10.8.0.1, so I have no problems SSHing into it. Once SSHd in, I can even ping other machines (obviously) on my home network (192.168.1.x). Desired outcome: What I want, is, to connect to the VPN server, and instead of getting a 10.8.0.x address, I get a 192.168.1.x on my home network. I can't figure out how to talk to the OTHER machines on my home network WITHOUT being SSHd in to the VPN server. I'd like to just connect to my VPN server, then be a part of my home network. Attempted solutions: I've read that I need to set up routes, and/or enable IP forwarding. I enabled IP forwarding using sudo sysctl -w net.ipv4.ip_forward=1 and that doesn't seem to have done anything. I've also uncommented a line in the OpenVPN's server.conf file: # Push routes to the client to allow it # to reach other private subnets behind # the server. Remember that these # private subnets will also need # to know to route the OpenVPN client # address pool (10.8.0.0/255.255.255.0) # back to the OpenVPN server. push "route 192.168.1.0 255.255.255.0" ;push "route 192.168.20.0 255.255.255.0" But still no luck, I still get a 10.8.0.x address... I've also read I may have to add routes to the router itself, but haven't tried that. Any help appreciated, thanks!

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  • ubuntu 10.10 does not recognize usb sticks and drives

    - by Peter
    When connecting any usb stick to my thinkpad ubuntu 10.10 does not recognize them. I don't see anything on the desktop. the output of "dmesg | tail -n10" gives me: [ 1965.696388] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1965.884537] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.072503] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.260349] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.506227] usb 1-1: new high speed USB device using ehci_hcd and address 9 [ 1966.572375] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.760379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.948358] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.136335] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.325423] hub 1-0:1.0: unable to enumerate USB device on port 1 When connecting my usb scanner to the same port: [ 2008.480135] usb 1-1: new high speed USB device using ehci_hcd and address 65 [ 2008.548389] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.736786] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.924379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.112348] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.300443] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.488536] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.732180] usb 1-1: new high speed USB device using ehci_hcd and address 71 [ 2014.796299] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2018.000128] usb 2-1: new full speed USB device using uhci_hcd and address 3 And ubuntu 10.10 recognizes that scanner. So: What can i do to see my usb stick? BTW: on my other Thinkpad running fedora 14 it works perfectly... Cheers -Peter

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  • Confusion about HSRP Groups

    - by Kyle Brandt
    If I have a router that has several LANs on it, and each of these LAN is attached to a second router, do I need to use different HSRP groups for each LAN? With this set up, each virtual gateway will be on a Layer 2 segment. And within a router, no interface will have multiple gateways. So, For example: Router 1: F0/0: ip address 192.168.1.2 255.255.255.0 standby ip 192.168.1.1 F2/0: ip address 192.168.2.2 255.255.255.0 standby ip 192.168.2.1 Router 2: F0/0: ip address 192.168.1.3 255.255.255.0 standby ip 192.168.1.1 F2/0: ip address 192.168.2.3 255.255.255.0 standby ip 192.168.2.1 Will this work, or do I need standby 1 ip 192.168.2.1 on the F2/0 interfaces? Since according to the RFC, the group number of the packet is in the HSRP multicast packets, my guess is that I don't need different groups, and that multiple groups are only needed when they are all on the same Layer 2 segment. However, I haven't been able to find this setup....

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  • How to serve Rails application with Passenger/Apache without domain name?

    - by grifaton
    I am trying to serve a Rails application using Passenger and Apache on a Ubuntu server. The Passenger installation instructions say I should add the following to my Apache configuration file - I assume this is /etc/apache2/httpd.conf. <VirtualHost *:80> ServerName www.yourhost.com DocumentRoot /somewhere/public # <-- be sure to point to 'public'! <Directory /somewhere/public> AllowOverride all # <-- relax Apache security settings Options -MultiViews # <-- MultiViews must be turned off </Directory> </VirtualHost> However, I do not yet have a domain pointing at my server, so I'm not sure what I should put for the ServerName parameter. I have tried the IP address, but when I do that, restarting Apache gives apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName [Sun Jan 17 12:49:26 2010] [error] VirtualHost *:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName [Sun Jan 17 12:49:36 2010] [error] VirtualHost *:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results and pointing the browser at the IP address gives a 500 Internal Server Error. The closest I have got to something sensible is with <VirtualHost efate:80> ServerName efate DocumentRoot /root/jpf/public <Directory /root/jpf/public> AllowOverride all Options -MultiViews </Directory> </VirtualHost> where "efate" is my server's host name. But now pointing my browser at the server's IP address just gives a page saying "It works!" - presumably this is a default page, but I'm not sure where this is being served from. I might be wrong in thinking that the reason I have been unable to get this to work is related to not having a domain name. This is the first time I have used Apache directly - any help would be most gratefully received!

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  • Visual Studio 2010 Best Practices

    - by Etienne Tremblay
    I’d like to thank Packt for providing me with a review version of Visual Studio 2010 Best Practices eBook. In fairness I also know the author Peter having seen him speak at DevTeach on many occasions.  I started by looking at the table of content to see what this book was about, knowing that “best practices” is a real misnomer I wanted to see what they were.  I really like the fact that he starts the book by really saying they are not really best practices but actually recommend practices.  As a Team Foundation Server user I found that chapter 2 was more for the open source crowd and I really skimmed it.  The portion on Branching was well documented, although I’m not a fan of the testing branch myself, but the rest was right on. The section on merge remote changes (bring the outside to you) paradigm is really important and was touched on. Chapter 3 has good solid practices on low level constructs like generics and exceptions. Chapter 4 dives into architectural practices like decoupling, distributed architecture and data based architecture.  DTOs and ORMs are touched on briefly as is NoSQL. Chapter 5 is about deployment and is really a great primer on all the “packaging” technologies like Visual Studio Setup and Deployment (depreciated in 2012), Click Once and WIX the major player outside of commercial solutions.  This is a nice section on how to move from VSSD to WIX this is going to be important in the coming years due to the fact that VS 2012 doesn’t support VSSD. In chapter 6 we dive into automated testing practices, including test coverage, mocking, TDD, SpecDD and Continuous Testing.  Peter covers all those concepts really nicely albeit succinctly. Being a book on recommended practices I find this is really good. I really enjoyed chapter 7 that gave me a lot of great tips to enhance my Visual Studio “experience”.  Tips on organizing projects where good.  Also even though I knew about configurations I like that he put that in there so you can move all your settings to another machine, a lot of people don’t know about that. Quick find and Resharper are also briefly covered.  He touches on macros (depreciated in 2012).  Finally he touches on Continuous Integration a very important concept in today’s ALM landscape. Chapter 8 is all about Parallelization, threads, Async, division of labor, reactive extensions.  All those concepts are touched on and again generalized approaches to those modern problems are giving.       Chapter 9 goes into distributed apps, the most used and accepted practice in the industry for .NET projects the chapter tackles concepts like Scalability, Messaging and Cloud (the flavor of the month of distributed apps, although I think this will stick ;-)).  He also looks a protocols TCP/UDP and how to debug distributed apps.  He touches on logging and health monitoring. Chapter 10 tackles recommended practices for web services starting with implementing WCF services, which goes into all sort of goodness like how to host in IIS or self-host.  How to manual test WCF services, also a section on authentication and authorization.  ASP.NET Web services are also touched on in that chapter All in all a good read, nice tips and accepted practices.  I like the conciseness of the subjects and Peter touches on a lot of things in this book and uses a lot of the current technologies flavors to explain the concepts.   Cheers, ET

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  • IIS 502 error when using a CNAME

    - by jenocin
    I have a cname record to a dyndns address. This has worked fine in the past, but now if I use the cname error I get a 502 error from IIS 7. The dyndns address works fine and so does the actual ip address. Any ideas on what would cause this?

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