CentOS 5 :: VNCviewer Stuck When Logout Remotely
May 16, 2011
I managed to install Centos x86 for the first time, together with VncServer, SSH access, mySQL and Apache. Everything worked greater until I logged in remotely to the server from my Windows 7 machine using RealVnc. I manage to connect successfully and able to use the GUI remotely. However, when I press logout from the menu, the screen gets stuck on the funky blue and white curly background. It does not close automatically.
If I close it using the 'X' button and reconnect, I get in to same stuck screen. My only workaround is to login with Putty and type 'service vncserver restart'. Then I am able to connect again. But same thing happens when I do a logout.
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Apr 27, 2010
I tried to connect to the server with vncviewer Therefor I installed vnc-ltsp-config (repo EPEL) I configured /etc/sysconfig/vncservers
VNCSERVERS="9:roland"
VNCSERVERARGS[9]="-geometry 1600x900 -localhost"
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Oct 17, 2010
As a normal user I have activated the functions of the Quit applet, i.e. Logout, Shutdown and Restart are active buttons. I am able to restart or shutdown, no problems. But when I use the Logout button I don't get logged out, just returned to the login shell & I am still logged in as my user. I don't have a display manager installed and I do NOT want to use a display manager such as XDM or GDM. How do I get the Logout button to actually logout the user? It appears I am only getting logged out of the x-session, but I want complete logout.
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May 19, 2010
What is the command of logging out the system in terminal?
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Feb 17, 2011
I have installed VirtualBox as per the instructions on this site, and the kernel module compiled without problem, however when I start it, it causes the user to logout!
I am using the nvidia module from the ATrpms repo if that has any bearing on the problem.
Has anyone else seen this issue?
Details:
CentOS 5.5 x86_64 running on a Dell Studio XPS 435MT with i7 920 and 6GB of RAM
VirtualBox 4.0.2 from virtualbox repo.
nvidia driver 260.
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Jan 25, 2010
I just took delivery of a new computer, with CentOS 5 installed. It does not have a PS/2 keyboard socket, only USB. I get lots of strange "key stuck" problems - usually the shift key or the cursor keys (I guess I use them the most). Or sometimes key presses do not register. It makes it very difficult to use the machine.I have tried two keyboards (both of which work fine on other machines, or on this machine when booted with a live CD). The machine is an Intel i7. Are there any known problems with USB keyboard drivers in CentOS?
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Mar 4, 2009
My Centos machine lies on a different location with a dynamic IP. How can access it remotely considering the fact that I am unable to acquire a static IP.
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Jan 10, 2010
i just experimented with virtualbox to make a vps on my centos machine, now i have a question in mind, since this was my local machine so i was able to install the guest os using the CDrom but when i have a server in the datacenter, and i create a vps on it and i am thousands of KM from my server. how will i install the guest os on my VPS on my server in the datacenter.
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Jan 11, 2011
I just succesfully installed Centos 5.5 64bit with following package:
- httpd 2.2.3-43
- php-mysql 5.1.6-27
- mysql 5.0.77-4
and all these packages are running ok.
My question is how do i connect from Centos to another MSSQL server using PHP? I had read several article but cannot find the best way to achieve this because most of the instruction seems to be quite complicated. I found somewhere in this forum that all it need just this simple command: "yum --enablerepo=extras install php-mssql freetds". While others article said that i need to install "FreeTDS" and some ODBC driver. I'm a little bit curious since most of that article are using an older version of Centos and PHP.
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Feb 22, 2010
I have 2 Centos 5.2 install that cant be snmp queried from another machine and I am unsure of what to check next.
To make sure it was not an incorrect iptables rule i temporarily turned off iptabes with the same results. I have checked the hosts file and it is correct on both machines.
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Mar 10, 2011
I have an application running on a centOS machine that needs to access a database on a CentOS server. I granted access to all users with a certain user name and password.i opened up port 3306 as well with the following command: /sbin/iptables -A INPUT -i eth0 -p tcp --destination-port 3306 -j ACCEPTbut whenever i try to connect from my machine i get an error:ERROR 2003 (HY000): Can't connect to MySQL server on '172.16.102.129' (113)I am using mysql version 5.0.77 on centOS 5.5.
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Apr 27, 2011
I have quick question, How to install on the remote computer.currently I wan to install sugarcrm to the computer that I access remotely from mine. How can I do it?
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Jan 4, 2011
Does anyone know or recommend some software or a script to remotely power on a PC from standby to on, or even better from completely off?
I guess the completely OFF to ON is much more complicated - would probably require an extra piece of hardware(?)
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Jun 29, 2011
I'm not terribly new to Linux, but I am new to the forums, so hear me out! I am in the process of creating an electronic mapwall for our meteorology program, and have designed the computing system from scratch. I have two Linux Boxes, each with capabilities for 6 attached monitors...a total of 12 displays driven from two machines. My intention is to have one machine be the master...it has a touchpanel control. The inputs to the touchpanel will then trigger events for the both the master and the slave machine to display. Each of them has a specific IP address (DNS entry), and are not on a subnet.
Now...is there a way to remotely login to the slave machine and have it display on it's OWN monitors? The code is Java and which works on the master machine to animate directories of .gifs for each of the master's attached monitors. I will most likely have Java execute shell commands for the remote login (ssh), but I believe the answer lies somewhere in the X-configuration. Do I have the machines in an adverse configuration (creation of a subnet would be better)? Lots of questions...lots of desire...few answers!
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Jan 25, 2010
Problem : centos 5.3 hangs while remotely copying data onto this server.
I have A centos 5.3 x86 Version installed on Xeon Quad core , running on 8 GB DDR2 RAM, RAID 1 confgured on SATA drives. this was old installation copy and It has many more things running on it.Therfore, I can't just reinstall it.
I have setup SAMBA PDC + ldap on it. I encounter that system hangs when I copy data into this server from LAN computers.
My troubleshooting steps :
1. I have checked for network issue , My network works fine when I transfer data between other LAN compuers.
2. Even I have tried confguring seprate LAN....
3. I thought their might be some problem with my SAMBA configuration, therefore I did data transfer from sftp .
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May 28, 2010
ssh - execute the script remotely / File not found: ''I am uisng amazon ec2-api-tool & ec2-ami-tool
i was unable to execute through ssh. Getting error as File not found: The same script i can able to run directly in client machine successfully. Through ssh i was uanble to run the script remotely Source : myScript.sh ec2-create-volume --size $1 --availability-zone $2 $ssh -i key.pem root@myhost ./myScript.sh 10 us-east-1a In remote machine i have permission for myScript.sh as -rwxr-xr-x
Note:Reference link
1) How to create an ebs image from an existing ec2 instance
2) Building EBS Boot and S3 Based AMIs for EC2 with Ubuntu vmbuilder - Alestic.com
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Jan 28, 2011
I just installed Webmin on this CentOS 5.5 client and would like to know if it's possible to remotely administer the Squid server. The one I'm using for webmin is different from the one where Squid proxy is running.
How do you set it up and where in Webmin?
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Feb 17, 2011
I am new to Xen Hypervisor and wanted to know if someone has any good guides to configuring it please. Also once i configure a Guest OS how can i connect to it remotely via a windows and linux machine?
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Jan 7, 2011
i've tried different vncservers and with all of them, when i use vncviewer, i'm unable to open some applications. for instance, i can open firefox and terminal. but other programs are giving me problems, like google chrome or the disk manager, which will open for a split second and then disappear. i am so mad i've looked all over the place for a couple days and ready to pull my hair out. i've installed vnc4server, tightvncserver, and a couple others i can't think of right now.
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May 12, 2011
Just loaded Ubuntu 11.04. Only one of my desktops (graphics cards?) could run Unity. Is it possible to use vncviewer with the Unity desktop? How?
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Mar 21, 2011
I use vncviewer (win32) to connect to my SuSE 11.3 box. The SuSE box has the "standard" xinetd started Xvnc server running (includes the -inetd switch).
My client (the vncviewer) has to go through a firewall with limited ports available and so I use the command line:
Code:
However, if there is a problem with the connection, such that the client disconnects, it seems that subsequent request to the Xvnc server create a new session/display. The text in the client window reports "nobody's x11 desktop (host:1)", then "...(host:2)", then "...(host:3)" etc.
I have tried combining the display and the port parameters, like this:
Code:
Can anyone suggest an alternative way of reconnecting to a broken vnc session?
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May 9, 2011
I'm using tigthvnc server on linux machine. Often my clients are closing their vncviewrs from close button ('X'), and not exiting gracefully their sessions from OS. How can I terminate the server when they do that?
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May 17, 2010
I am familiar with linux and have done some managing of servers before. I just tried to install centos 5.5 on a server, but after booting the screen was blank and my monitor said vga mode not supported. I found online to press ctrl+alt+F1, which allows me to see the rest of the boot commands. Then after I was able to see the boot commands it says enabling /etc/fstab swap, but never says ok or gets past that part.
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Oct 21, 2010
I've installed TurboVNC and also libjpeg-turbo on Centos 5 to view a Windows computer. I previously have been using TightVNC and it worked great. When I connect to the server using vncviewer, it will only occasionally refresh the image, like when I change a browser window to full screen.
I selected to have a log file and debugging on the server, but I haven't been able to find the file. code...
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Aug 8, 2010
I use vncviewer command line to remote access my pc from my notebook.
Is there any option to resize the view like windows client can by percentage?
my notebook screen size is 1280x800, while I use bigger resolution for my pc 1280x1024 if not mistaken.
already look here: http://linux.die.net/man/1/vncviewer but I don't see any option to do that.
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Jan 7, 2010
I've found a number of other entries about this, but they don't apply (the config files mentioned do not exist or whatever). My RHEL 4.x systems work differently, so the solutions I used there don't help either.In the course of some fussing around trying to get Virtual Box OSE to load, I apparently stomped on something so that when I log in now, I get the twm window manager--I was perfectly willing to have Gnome or whatever, but twm is a bit too light-weight for what I need.Anyone know where the magic config file or whatever lives in RHEL/CentOS 5.x?
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Jan 20, 2009
the boot of my server is stuck at the message "GRUB"
I've allready tried :
chroot /mnt/sysimage
grub-install /dev/cciss/c0d0
but with no improvement. What else can I try?
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Apr 1, 2011
I created a new Ubuntu 9.10 VM, and it installed fine. I then told it to upgrade, and was running it fullscreen and left it for several hours. Now the machine is stuck at full-screen, and Ctrl+Alt do not unstick it! I can see the mouse cursor, but cannot press Alt to bring up a menu or anything. I pressed Ctrl+Alt+F1 to get a console, and logged in as root and tried to kill-9 the process, (qemu-dm), but it won't die! Any ideas on how I can unstick the VM? I have lots of applications running and transferring data now, so I don't want to reboot the box for several days until the file transfers are done.
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Mar 26, 2009
I'm running Centos 2.6.18-53.1.13.el5 in a VM. Currently I'm studying for my RHCT.I'm trying to enable IP forwarding so I edited this line in the /etc/sysctl.conf:
# Controls IP packet forwarding
net.ipv4.ip_forward = 1
Then I ran sysctl -p
[code]....
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Feb 7, 2010
I am stuck with 2.6.18-92.el5 kernel for a long time now. My centos doesn't want to load any other kernel. Seems like it doesn't read grub.conf file on reboot. Here is my grub.conf
[Code]....
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