Ubuntu :: Moved A VM Server Now VMs Can't Talk
Jun 18, 2010
I'm running Ubuntu 9.10 AMD64 with KVM and several VMs running the same OS. Everything was running fine and the VMs were using the host's network via bridging. The decision was made to move the server to completely different network. I shut it down, the system was moved and hooked up, and I got it up on the new network pretty easily--just modified /etc/network/interfaces and /etc/resolv.conf. No networking problems at all.
Then I fired up virt-manager, powered up one of the VMs, and made the same kinds of changes. It's not talking beyond the VM server. I can ping the host, but can't ping the gateway. "tcpdump -i eth0" shows plenty of traffic.
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Jan 25, 2010
How we edit the configuration file of talk server.
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Nov 27, 2009
I am trying to setup a HP blade (BL460) server with 2 nics on sles10sp3. I want one nic to connect to a management vlan and and second to connect to the standard network. It should be possible for a desktop in the standard network to connect to either nic by providing the correct ip address.use this server as our first virtualisation hosts server using Xen. I dont want traffic used to upload / download images to the server through nic1 to effect the users traffic on the standard network on nic2. However any attempt at routing (which Im not good at) has led to the tx traffic all going out the default route (users subnet).
Each time I setup the nics via yast2 lan I can get the standard lan nic working ok. but cannot get the management nic working correctly. The server can ping a workstation on another vlan, but the workstation cannot ping the management nic. The default route appears to be forcing all traffic on the host out through this route, which I presume is normal behaviour. Using tcpdump I can see the ping packets received by the server, the server then responds through the default gateway, which the workstation does not see.
However, this normal behaviour will result in extra traffic on the users network when image downloads are initiated from the management interface.If I use a 172.24.1.0 network routed through 172.24.1.1 router setup as our management vlan , and 200.200.1.0 with router 200.200.1.1 as our lan for general users. Where server ips are nic1 10.1.1.10 and nic2 200.200.1.10 My workstation would be 200.200.1.10. If I ping the server at 10.1.1.10
I get no response. If I ping the server at 200.200.1.20 no problem.
Basically I used the network setup recommended by vmware to manage a virtual server. I actually have 4 nics, I thought by just talking about 2 nics the problem would be easier to explain. vmware specify that two nics should be used for management and two for the Lan. This is what I am trying to achieve, but both subnets must operate independently.
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Dec 7, 2010
I have tripwire enterprise (not open source) agent running on one of my rhel4.8 web servers (I have actually tried with two servers with same results). The agent is a simple install rpm bin file and appears to be running as it should and the server for tripwire enterprise is set up accordingly. A windows tripwire enterprise agent is also on a windows machine that works perfectly well. But I cannot seem to get the tripwire server to talk to the agent on the red hat machine.
I can connect to port 9898 on the server, but the agent who also talks over the same port doesn't appear to be responding to the server on this port. There are no iptables set up to block the requests, there is no firewall set up (disabled) . Network team can see the packet requests being sent over the routers fine... So can't see why there would be a problem. So i reverted to the use of net cat.
Nc -l 9898 (on the agent machine)
Telnet <agent> 9898
But I get connection refused. Is there anything I could be missing here? Redhat is not my Linux of preference and it may be something obvious!
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Jun 27, 2010
I need to make some C program under linux to make some scripts that can talk to my Server's Parallel port by sending some quare signal as high or low, so what i can do ?
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Apr 7, 2011
I have recently moved. I was on a comcast Internet system and had the Server working there. I have moved to where I am on a different server. I have been issued a static IP address. I have configured my Linksys server to reserve an address for my Ubuntu Web Server. When I try to get to my web site the connection times out not getting there. I remembered I had to forward some services, ports over to the reserved IP address for the server. I can't for the life of me remember the ports I forwarded. how to get this forwarding done. Or what else might be keeping me from seeing my webpate - [URL]?
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Mar 7, 2010
I am trying to set up a Horde Webmail service on my server.Sent emails are not copied into the sent-folder when sent by the user, but there is no error or log-entry.
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Nov 4, 2010
Deleted. I tried to delete the entire posting, but could only edit.
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Feb 10, 2010
After what feels like weeks have tinkering around trying to get a Samba file server set up, I've finally given up! I have 4 drives and 2 groups:
1) Dev - Available to all users in both groups (normal and admin)
2) Misc - Available to users in admin group only
3) Admin - Available to users in admin group only
4) Accounts - Available to users in admin group only
Drives 1 and 2 are working fine, with the correct access rights. Drives 3 and 4 can be browsed by admins only, but no changes can be made at all - files & directories can't be renamed/moved/deleted. What is most confusing is that Drive 2 is set up exactly the same as Drives 3 and 4. The process I went through to get them working:
[Code]...
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Jan 25, 2010
I am looking for some skype-like server and client software, but "free" and with the server software located on my own machine. Essentially a "free", multi operating system, multi protocol (voice, one to one chat, many to many in chatrooms, and maybe even video)I have done a search and there seem to be many possibles, but I cant see a definitive choice which ticks all the boxes.Have you seen anything which does this all-in-one communications approach?
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Jul 7, 2010
I have a firewall between two different subnets. The reason for the second subnet within the internal network is because I have a mail server that I want to protect. However, we need to make sure that the mail server can communicate with the internal network as well.
Mail server is 192.168.100.100
Firewall is 192.168.100.1 and 10.110.101.5 (and its gateway is 10.110.101.1 to the router)
I go to another workstation and ping the mail server. I can't. It times out. I do the same from the mail server. It times out as well.
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Jan 1, 2010
I have Ubuntu 9.10 trying to get yahoo voice chat to work. Thing I have tried is Gyache now everything works but I cant talk. I can hear but not talk. When I hit the talk button the program goes grey. I have wine installed with Yahelite but when I open up YahVox I get the box open and no one is in there. Ycabby does not work for so I download the three cabs and extracted the files and copped the files to the system32 folder. I tried to the mighty google but I get a whole lot of nothingness.
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Feb 16, 2010
is there anyway to use cheese or ekiga to talk to someone with skype? is there anyway for a microsoft computer to use cheese or ekiga?
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Sep 5, 2010
I'm running 9.04, and wanted to use GMail's talk and video features. Registered with Gmail, and had to install a deb called google-talkplugin_current_i386.deb , and after installation, Gmail appeared as if it was ready/ok for a chat, talk or video.
Then I noticed the .deb was not shown under Synaptic, as a 'standard' deb, so in the interests of some 3rd party software NOT running on the computer, uninstalled it.
Went looking in Synaptic, and it does have a 'gtalk'. Is that all that is required, to run talk or video under a web browser, after logging into my GMail account ? Or, should I use Empathy ?
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Oct 12, 2010
I would like to start a streaming audio/talk radio show where I can play music during breaks, talk most of the time about current events, and MAYBE even take callers.
I am now using Blogtalkradio, but the streaming and archiving quality os so terrible that I want to move up into creating my own talk show network.
I'm using Ubuntu 10.04, 64 bit
This is a good example of what I would like to do: The Global Reality Show...the guy uses Sam Broadcaster and pays a "stream bill" due every month, and you can download archives from a server linked to his website or click the application buttons for ways to get his stream:[url]
Now I heard of this thing called IDJC, which I have installed, but I do not have the faintest idea of how to use it, let alone get jackd running properly. It just complains and stops. Nor have I EVER used Sam Broadcaster or anything like it. When it comes to this thing, I'm a complete newbie. Other people on other forums say you can use Shoutcast and VLC and bypass Jackd and IDJC completely.
How to set up your own internet radio station in Linux? I understand its alot more complicated than windows.
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Jan 27, 2016
I have read the wiki and several online tutorials and still cannot get my machines to talk to each other over NFS.Both are amd64 with Debian testing. Tutorials invoke programs that do not exist in testing, instructions are inadequate or too old.
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Jan 20, 2010
How to use the TALK command in linux i.e. what is the syntax used to run the TALK command.
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Nov 11, 2010
it's possible to "talk to" a website like facebook, and that's how games such as farmville have been built - i was wanting to know how this is architected, i.e. how does a website decide how to "offer up" its data to the outside world?i'd like your favourite web links, or even paper book recommendations, though i don't if those will be available or affordable over here, or, what would be especially great would be video lectures, maybe on videos?
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Jan 12, 2011
I seem to be having an issue that started rather suddenly. when i enabled click to play in flags. i tried disabling click and play and google talk and even removing google talk and reinstalling with no luck. can someone give me an idea of what else to look for and try? I'm using Chromium 10.
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Jul 17, 2011
Basically, my middle mouse button (button 2) wasn't being detected by mumble when I was trying to enter a ptt key. The button itself was bound to do some weird copy-paste function, so I figured maybe that's why, so I rebound it to Shift+Right arrow using xbindkeys and xvkbd. I then went into mumble and it detected this no problem, however due to the xbindkeys config, when I press the middle mouse button it only does the bound function once.... i.e. I press it, it sends Shift+Right arrow to the X serv, but then stops, which is obviously useless for a push-to-talk button.
So, really what I am asking is, how should I go about sorting this? Is xbindkeys able to translate a keypress in sync with the mouse button (i.e if I hold the mouse button, it holds down the keys bound to it) or am I going down the wrong route and there is a better way to get middle mouse as my push to talk button on mumble. Perhaps a different keybind software?
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Feb 21, 2011
I configured an internal fake ip 192.168.1.11 on a virtual interface of my server.
I'm running one of my postfix instances on this ip.
The problem is that postfix can't talk to external hosts on the internet when running from this internal ip 192.168.1.11
I get an error in the mail log
Feb 21 22:43:00 localhost postfix-R1/smtp[11372]: connect to 7zips.com[109.169.46.199]:25: Connection timed out
It works fine when I run postfix on real ips, but I need it to work from the internal.
I thought it should just work.
Am I missing anything?
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Mar 29, 2010
I have installed talk on centos, turned it on by editing xinetd.d/talk and setting disable=no.I have restarted xinetd (service xinetd restart) and verified that talk is configured to start (chkconfig --status-all).what am i missing? shouldn't either port 517 or 518 respond to telnet? what else can i do to get talk running?
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Apr 5, 2010
I have planned to provide tech-talk on x Windows System. Any Resource where I can get detailed information regarding the same.
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Jul 22, 2010
i want to right the on linux box which have postgresql and i what some data from the different table and put it in .csv file.
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Aug 11, 2010
I'm an italian student that's making a project for an exam of the university.I'm trying to install a usb driver to talk with an instrument that my profalso the drivers were given by my prof. the driver now I'm trying to install is called:libhid-0.2.12.origI've opened it and I have run the programm called configure.I had the same problem of Gabyx (in a topic in the section linux Programming & Scripting) but I think I've resolved it in the same way suggested by Lakerdonald....now after I run configure appears:
Code: configure: Using db2man stylesheet: /usr/share/kde4/apps/ksgmltools2/docbook/xsl/html/docbook.xsl
configure: creating ./config.status
[code]....
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Dec 11, 2009
I got a trouble about communicating between host application and HID device (with a button) in a embedded Debian Linux OS. The both of them are working fine on ubuntu. When I insert my HID device on my embedded debian linux Unit, following message show up:
# usb 1-1: new low speed USB device using ehci_marvell and address 3
usb 1-1: configuration #1 chosen from 1 choice
HID device not claimed by input or hiddev
and in /dev folder some usbdev files are generated:
usbdev1.3
usbdev1.3_ep00
usbdev1.3_ep02
usbdev1.3_ep81
usbdev1.3_ep83
When I run my host app, and press the button, no any data transferring happened (check with CATc captured data). I know the host app run fine on uBuntu, because I know how to open /dev/usb/hiddev0 in my code. I don't know how to open this kind of file in debian linux. I tried use each files above, the button still doesn't work. Can anyone help me to point out if it is HID driver issue or coding issue.
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Jun 11, 2009
every time when /usr/bin/puplet try to talk to yum-updatesd via D-Bus, yum-updatesd will crash. After restart of yum-updatesd and call /usr/bin/puplet from the console I get this message;
Error getting update info: Message did not receive a reply (timeout by message bus) Introspect error: The name edu.duke.linux.yum was not provided by any .service files Traceback (most recent call last): File "/usr/bin/puplet", line 191, in _refreshInfo if self.updatesObject is not None and AttributeError: DBusException instance has no attribute '_dbus_error_name'
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May 9, 2011
In ubuntu Natty with the notification pop ups like for when the song changes in Banshee, they are in my top right corner. Is there anyway to move them?
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Jan 14, 2010
I hooked up my computer to a TV via VGA and after I was done my icons moved around on the taskbar. Usually the 'kevin' was on the far right. Is there a way to change it back?
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Feb 21, 2010
why a file can't be moved to trash while it can be deleted forever!! does any of you have a clue?
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