Software :: No Response Of Host During Install?
Dec 10, 2009
This is a very strange problem, and it has happened me on two separate machines under only one user account (installation under another user account was absolutely fine). The host OS is Centos 5.4 in both cases. VirtualBox V 3.0.10 (installed from rpm VirtualBox-3.0.10_54097_rhel5-1.x86_64.rpm) in both cases. The VM is to run Win XP (official licensed version) in both cases.What happens on installing the OS (Win XP) is that the machine goes down. Once it 'sleeps', it cannot be 'reawakened' - no rection from mouse or keyboard. The OS is still functioning as I can ssh from another machine. Any ideas why/how this is happening? And how I can prevent it.
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Oct 12, 2010
My SSH client for remote machine will sometimes hang. I have to wait until the session is finished hanging, I guess, to login with SSH again. I would get some message about multiple users or something.
I haven't been able to login this time for over 1 day. It's started saying something about Tcl_InitNotifier: unable to start notifier thread. My host can access the machine locally to fix this, but what is going on? Why is this occurring?
Here is the login attempt:
Code:
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Jul 19, 2011
when I try to access any page even small html pages it stays like 3 seconds in HTTP request sent; waiting for response. state..even when I use Lynx locally on the server..bypassing any possible network issues..logs dont show a thing..the server itself is a high end server with nothing running on it apart from apache which is not serving anny clients now, firewall is disabled and hostnamelookups are set to OFF.
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Jul 21, 2010
I recently upgrade my server pc from 11.2 to 11.3 via the net. Everything seems to go through ok. I restarted the PC and now i can not move the mouse or type anything at the login screen.
I can ping the pc fine and i can ssh into it, which tells me the pc is not froozen, just X is?
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Sep 24, 2010
I am a perfect linux noob user, i have an ati 5750 card, so when i try to install opensuse 11.3 KDE, i click "install" i see a loading then just a black screen with the monitors led blinking, i had this issue before with kubuntu, but i find on forums that i have to use command : xforcevesa, and it worked, i don"t know similar command for opensuse. i am switching to opensuse cause i had some problems with Kubuntu. note that i tried all options in installation's menu, no acpi, vesa, low resolution......
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Sep 8, 2009
Many of mails sent from my mail server that are in Queue;The main reason is deffered by domains like yahoo,aol,etc.but there is one more error that i keep getting and that is Host Unknown,Below is an example from mail log,The catch is,test mail sent on the same email id sent from my personal mail from the same server i.e. url was deliveredHowever,another mail containing client information sent from customercare@mycompanysdomain ended up in queue.
There are more examples of the same,around 20 domain have the same problem.
Sep 7 14:33:46 server2 sendmail[24591]: n8793jiC024589: to=<abc@xyz.fi>, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=163672, relay=xyz.fi., dsn=5.1.2, stat=Host unknown (Name server: xyz.fi.: host not found)
Sep 7 22:09:42 server2 sendmail[6407]: n87Gdffa006403: to=<abc@def-fgh.com>, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=152474, relay=def-fgh.com., dsn=5.1.2, stat=Host unknown (Name server: def-fgh.com.: host not found)
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Mar 4, 2010
I am working on a cluster for a molecular dynamics class and I have to edit my FORTRAN code (only the newest and best for me!). In order to get through to the cluster I have to ssh in. The network on which the cluster resides is behind a firewall, so I have to ssh through the firewall into the network first.
this is fine, I can login and move files and folders as needed, including sftp-ing into host 1, then into the cluster so I can transfer files from cluster to host and then host to me. This gets rather tiresome, so it would be nice to edit the files in place.
The problem is that when I access my code with emacs it launches the emacs client on Host 1, with no mouse support. I know the purists will howl about how I should be using keyboard shortcuts, but I am a chemist and not a programmer, so the mouse is very nice for me. Is there any way I can perhaps mount the cluster using sshfs so that when I open my code it launches a local instance of emacs? Sorry if this is the wrong forum, but I thought it was network related.
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Oct 12, 2010
I got a bunch of machines (~10) that I share with my co-workers. I have appropriate .ssh file(s) set up so I don't get prompt for password when I try to ssh.Currently I ssh into these hosts and then do a top to check the load before I start using the machine. Because I don't want to be on a busy host.Can someone show me how to write a script that find a least-busy host given a list of hosts to check? (hardcoded is fine)
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Oct 20, 2010
I have two servers, one has an empty / and the other has a subdirectory with a large number (4 gig) with many, many files. I need a way to transfer the files en masse from the server with the large number of files to the one that is essentially blank.I don't have space on the used host to simply gzip all the files. I've googled this and see that there may be some combination of tar and/or gzip that will let me do this with some sort of redirection.
I really need and example line of how this can be accomplished. If my explanation seems rather sparse, I can supply more details.
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Oct 30, 2009
Bit of an odd one, this. I've migrated a website from my old server to a new machine. Both servers run Ubuntu + Apache2. Both only serve a single site, apart from the default site.I've flipped the domain name to the new IP address.The trouble is that after moving the virtual host config over into sites-available, with the necessary link in sites-enabled, Apache attempts to serve from the default web root (/var/www) rather than the actual site content (in /var/www/technology). So for example, an attempt to browse.
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Jul 3, 2011
I'm trying to get Synergy up and running between my Windows 7 (server) host and my Arch Linux (client) host. In rare exception, synergy works perfect on my windows host, however every time I try and run Synergy on my linux machine I get the following error in messages.log:
[code]...
I'm running Arch with a barebones Xorg install and SLiM with LXDE. I'm not sure what in the world is causing the problem and haven't been able to find anything of substance in a search.
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Mar 9, 2011
I'm trying to ssh from my laptop to my desktop (both fedora 14) over a local network. I can ping my desktop and get responses, but if I ssh to it, I receive
ssh: connect to host 192.168.100.xxx port 22: No route to host
I can ssh from the desktop to itself.
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Oct 20, 2010
HOW TO GET THE IP ADDRESS OF HOST IN LINUX WITH USING OF HOST AND NSLOOKUP COMMAND and after getting the ip address how to assign it in the variable
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Jan 27, 2009
The internal network is behind nat done by the PC Router.The TP Link is recieving wireless signal from outdoors and it has switching and basic routing capabilities. I'm using the PC router for better routing options.PC Router (or R for short) is a triple-booting machine - Linux, FreeBSD and Windows. It has two lan cards - external (ext_if) - 100Mbps Realtek 8139 and internal (int_if) - 1Gbps integrated Realtek 8169.The problem is that all traffic from R to the network is slow - about 5-20K, while the traffic in the oppoiste direction is all right - about 10MB that is fine for 100Mbps cables, NICs and switches. The problem persist no matter the OS the pc R is running.I've tried some debugging on the situation as follows:
- put another PC at the place of R - everything is fine. That exclude the possibility of damaged cables, RJ-45s, switches and etc.
- connected both of the NICs to the Internet while the internal network is being disconnected and they both work fine (no delays)
- traffic shaping is not running
- there is nothing in firewalls except NATing the internal network (and it is working fine). Actually these firewall rules have been operational for more than months and everything was fine untill a week or two ago.
- changed the internal NIC with another
- connected the internal network directly to the TP and all of the PCs are getting good network performance. Then connected the R machine to the TP as well and there was good performance between the internal network PCs and R.
- R has good performance to the TP. In fact everything has good performance directly to the TP (when not connecting trough R).
- the problem persist only between R and machines from the internal network.
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Apr 18, 2011
When I am trying to install VLC in my fedora14, I got the following messages "couldn't connect to host". What may be the reason? I reduced the address due to the tech problems.
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Dec 9, 2009
I don't want to use image file as disk, but would like to allocate a disk for guest os. say it's /sda6, then do I need install guest os on host os? or can I install while the system is booting and only import a guest os from that? Do I have to mount the disk?
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May 19, 2010
So here's the setup:
Ubuntu 10.04 host inbound port 22 open
FreeBSD 8.0 host no inbound ports open
Both hosts are running sshd currently. What would you do for the Ubuntu host to be able to ssh to the FreeBSD host? A tunnel?
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May 9, 2011
I am a bit of a n00b when it come to linux but I am setting up a test environment were I have a appliance monitoring network traffic. Part of my test requires me to copy a file via RCP from one host to another host. I have two ubuntu boxes. I have allowed the subnet in the etchost.allow for ALL. I have installed rsh-server
When I try to copy the file it looks like it tried to use SCP instad of RCP because it connects to 22 instead of 544. Also note that traffic must be unecrypted thus me trying to use Is there anyway to make ubuntu go old school to allow me to use rcp instead?
Code:
testuser1@ubuntu:~$ rcp /home/testuser1/test.txt testuser1@10.46.41.38:/home/testuser1
ssh: connect to host 10.46.41.38 port 22: Connection refused
lost connection
testuser1@ubuntu:~$ rcp
usage: scp [-12346BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]
[Code]....
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Nov 14, 2009
I have installed CentOS 5.4 machine named test.example.com (192.168.1.1)File /etc/hosts contains:127.0.0.1 test.example.com test localhost.localdomain localhostI have read that the loopback addres should not be assigned to host name,only to localhost and the host name should be assigned to 192.168.1.1, like this:127.0.0.1 localhost.localdomain localhost192.168.1.1 test.example.com testIs there any reason why it should be one or another way?
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May 23, 2011
I have recently installed virtual box on fc14 using add /remove software . However so far i have not been able to install any OS on that. I put the OS CD the cdrom and click on start virtual machine..it gives following errors ..
I have followed the instructions given there but all in vain...
Code:
[root@Fedora Raman]# /etc/sysconfig/modules/VirtualBox-OSE.modules
ERROR: modinfo: could not find module vboxdrv
ERROR: modinfo: could not find module vboxnetflt
ERROR: modinfo: could not find module vboxnetadp
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Feb 9, 2010
I just had one hell of an experience trying to get openSUSE 11.2 to run on VMware server 2.0 on a Windows XP host. I am posting some instructions on how I finally got things working.
1) Download the openSuse iso image (and add-on CD if needed)
2) Download and install the VMWare server
3) Before you try to start the server console, you will need to configure the web access to allow you to log on. go to press Start->Programs->VMware->VMWare web access->Configure Tomcat
4) on the logon tab check logon as: option
5) add your account there and set the password
6) Now in your web browser (I use firefox) access the console via: [url] [url]
7) Before you start to create a virtual machine, you will want to set up the server to have access to your iso's. The server will only allow VM's access to specific directories through "datastores". You can either move the iso images to what has been specified as the default datastore... or create another datastore that points to the where you have the iso's.
8) Now we can create our virtual machine. This is simple, just press the button and follow the prompts.
a) at some point it will ask about an CD-Rom, you will want to use your suse DVD iso image. Select the option and then navigate the datastore that contains the image. Once found click and continue.
b) Network interface has 3 choices:
Bridged - the virtual machine will appear on the network as any other computer. Allows the VM to host server applications. User needs to have control over the network to ensure DHCP requests are handled (or static IP is assigned).
NAT - VMWare server will manage a virtual router, the VM is then connected to this router. On this router, the hosts internet is used as the WAN. Users do not have to have control of the network, but will have to setup port forwarding in VMWare to host server applications
Host Only - This means that the virtual machine can only talk to the host. The only way to get networking is to have a proxy through the host machine. This is setup on the host independent of VMWare. Users do not need control of the network, but control over the host. I doubt you could host server applications though.
9) With the VM created we can start it up. We can open a window to it through the console tab of the VMWare server console. When I first started it, it was stuck looking for an OS once the console finally rendered the graphics. A reset, an F2 at the post and selecting the appropriate boot media for boot got the installation started.
10) Install Suse as you would any other suse installation. I added a separate partition for swap, but kept the rest on one big one. Others may still want to maintain the separation of home and root
11) ---- Important Error/Solution ----
Once the installation has completed many will notice that the mouse or keyboard does not work! This was the source of my biggest head-ache. Some may think it was a problem with VMWare tools... I tried that to fix that and found the tools were working properly.
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Sep 3, 2011
It's been a while since I've use linux (specifically suse). But my wife and I are expecting our first child and our office/second bedroom is now being converted into the baby room. I built the computer that is currently in there and it is a really nice one that I do not want to get rid of. Two 500GB Sata2 drives and 8Gigs of RAM (not to mention my quad-core Phenom AMD processor and sweet asus motherboard) -- I just can't get rid of it. So what I planned to do was turn it into a small home server. I did some research and kept coming back to using opensuse as the server. I read this article The Perfect Server - OpenSUSE 11.4 x86_64 [ISPConfig 2] | HowtoForge - Linux Howtos and Tutorials and it seemed to have just about everything I'd like to do (maybe some extras that I don't really need, but might in the future). Everything was going fine until I got to a certain point. The install went fine, and I was starting to customize some of the settings for my own home setup. Now, the problem...
I've gotten to page 3 of the tutorial The Perfect Server - OpenSUSE 11.4 x86_64 [ISPConfig 2] - Page 3 | HowtoForge - Linux Howtos and Tutorials
and I am installing packages through yast2, and all the packages installed fine except for 'compat-readline4'. I think this is a form of command line editor or something to do with that. I am sure I am going to need it to finish the server set up, but I can't get it installed anywhere. I've tried to install it by pointing directly to the mirror found at rpm.pbone.net and still I get nowhere.
Yast2 auto refresh seems to fail everytime I run it. Even though I installed all the other packages, I get an error message that says it can't get the medium. When I look at the details of the error it says it can't resolve the host for downloads.opensuse.org.
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Aug 30, 2009
Just d/led Fedora 11, installed in Sun Virtual box 3.04. New to Fedora and can't figure out how to install guest additions to get my resolution up to par. I have the iso mounted and can get to it via "file management" no problem.
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Feb 10, 2010
I have Ubuntu Server 9.10 setup on virtualbox and i'm using webmin and everthing works so far. But now i'd like to install Coldfusion 9, so how do i download or copy across from my Host OS ? Is there a very lightweight gui i could install, although prefer to stay away from that if i can ?
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Jan 9, 2010
I have access to a unmanaged dedicated server on the net. I am considering loading Ubuntu Server to this for web/mail/ftp serving. If I install Ubuntu Desktop to my local machine is it possible for me to administer the server using Ubuntu Desktop (using the GUI)? I connect to the net over ADSL. Any guides/advice for setting up Ubuntu as a web/mail/ftp with a key focus on keeping to secure? I know how to install LAMP but as I have root I need to learn a little more than I did when I was on a shared host.
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Oct 20, 2010
I have found that there are certain things on the web that I need to print, that simply refuse to work under linux. I have a samba printer server on one of my Slackware boxes and an M$ XP vm under Vbox that can access the server and see the printer. The only problem that I have is that it expects to download a driver from the server which isn't available and the HP driver installer won't install if it doesn't detect the printer. Short of relocating the printer to install the driver, does anyone know how to get the driver installed on the XP host? This is so much easier with my Slack boxes and CUPS!
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Aug 5, 2009
What do host.allow and host.deny do exactly? what are they??
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May 20, 2011
I upgraded to Firefox 4.0.1 (which took a ton of effort, though it'd take five seconds if I had to do it again).Today I fixed the link in the toolbar to open up the new version instead of the old version, by replacing the Firefox folder in the usr/lib folder, and specifying the location and name in the properties of the icon.I realized that somehow I messed up something, and Alt-F2: "firefox" no longer runs firefox. Any ideas about how Alt-F2 works? I'm guessing it's a /bin, but experiments injecting Firefox into /bin's hasn't worked.
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Sep 11, 2010
I am using RHEL5. I did not get any response from my system whenever I connect the USB storage device. How could I get immediate response whenever I connect the USB.
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Jul 31, 2010
I am trying to start a 2nd openvpn service on my server so that clients can connect via udp instead of tcp.However when I run: openvpn /etc/openvpn/openvpn2.conf
I get no response at all.Usually I would expect the startup parameters or at least an error but I get nothing. I have to CTrl+c to get back to the prompt.ANy ideas what I can try?I changed the serve config so it has tun1 instead of tun and also changed the log files to openvpn-status2.log so it doesn't overwrite the other server.I also changed the network so there wouldn't be any IP conflicts. Openvpn1 runs on 172.16.x.x
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