Fedora :: How To Use Multiple X Session At Once
Sep 9, 2011
I can start a second x sessions with "startx -- :2" switch to it, connect to it over vino vnc. but when I switch back to the first x session the second one "freezes" I cant control it with vnc. So question is how can I use two at once? I've googled everything I can think of with no luck. Can one x server handle 2 client sessions? Wondering so I can try run one user with auto login and lock them into xbmc but have another that I can login to over vnc and muck about with.
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Oct 12, 2010
is that possible to have multiple users for one linux session? and how can i do that ? it's possible to creat virtual users for a session ?
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Jul 28, 2010
I am trying to write a bash script to open 1 screen session with multiple windows... each one running a different service. Is this possible? I tried several things, and I can start up multiple sessions really easy.. but not 1 session with multiple windows...
I want this so I can attach to that session and quickly move between the different windows.
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Apr 12, 2010
hypothetically speaking, can i write a script in which a telnet session is opened and then some more commands are forwarded to that session?
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Nov 10, 2010
I have a very bad attempt at hashing the components of an tcp session to assign/locate the session in a hash table bucket. I am pretty sure that it has a very high collision rate and when there are a very large number of tcp sessions my application is having to search a long linked list to find the session within the bucket.
All the hashing functions I have found take a single string input where I need to input several integers and hash them into a single result. My guess is that any real hashing function is going to produce better results than what I am currently doing.
[Code]...
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Nov 1, 2010
Is there a session manager I can use with 10.10? I would like to try Openbox but am not sure how to select it as a startup session. I would like to be able to choose between kde, gnome and openbox.
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Jan 22, 2010
I am putting together some new systems for my customer and I'm having some trouble with a script that we use to back up files to a DVD R. The problem is that I can't write a 2nd session to the DVD unless I eject the disk and reload it. The drives are slimline type drives, Sony BD-5730S and Teac DV-W28S-V93, so they won't reload without human intervention. Opsys is CentOS 5.4 or RHEL 5.4. I've tried both AMD and Intel based mother boards. If i try this on Fedora 11 or 12 it works fine. This works on IDE attached drives but not a SATA attached drives. Fedora appears to use something called genisoimage instead of mkisofs. I can't get genisoimage to run on CentOS or RHEL.
Here's the code to setup the test files:
rm -f /tmp/BDtest/*
mkdir /tmp/BDtest
dd if=/dev/zero of=/tmp/BDtest/blank.iso bs=10M count=1
for NUM in {1..160}
[Code].....
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Jun 30, 2010
I am currently in a project to set up an LTSP server with 10 thin clients. I am using Ubuntu 9.10 (Karmic).
Installing server and booting clients are working fine. Now, according to the need, I have to restrict user session numbers and allow resuming previous user session.
I have achieved to do the first one, but still could not able to setup the second one. As per requirement, if some thin can have power failure, the same session should be restored back. I am confused here, if I need to focus on saving xsessions or saving gnome sessions. I am looking for a concrete solution as I am running out of time.
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Jan 25, 2009
i installed the kde desktop via the software installer however when i choose the kde session at login it defaults back and boots in to gnome.
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Aug 20, 2009
I'm currently using Fedora 11 Gnome and I installed the Kde core desktop. However, when I logged out there was no way I could change the session. I installed kdm, but after searching on google I found out that i need to change /etc/sysconfig/desktop to make kdm the default login manager. However, such a file did not exist. How can I change my session?
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Oct 17, 2009
I am using Fedora 11 + kde 4.3.1 + compiz. for several times now my session ended unexpected, I can't reproduce that behavior and so I am looking for a log or someplace to look after such logout to find out what caused or triggered it.
I saw another thread about unexpected logout while browsing, its not the same although it happens to me so far while using firefox / mplayer / Kontact (kmail) .
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Feb 1, 2010
Just installed Fedora 12 on a P4 IBM. Everything installed fine. Then, I rebooted, installed updates, and installed a few simple programs (emacs, ssh server). I rebooted since some kernel updates had been made. I can't login anymore. I get a brief message at GDM that says "unable to open session" after I enter my password. Root also doesn't work, but I figured out that root logins are disabled. I found something that recommended disabling selinux, so I reboot with selinux=0 parameter. That still didn't fix the problem, but did initiate selinux to re-label everything on the next boot.
My next thought was that maybe my password got corrupted, so I went into single usermode. I ran passwd justin, so I know that my password is correct. I still can't login via GDM or on a tty.
EDIT: I was also thinking I might need to uninstall something that I did; however, networking is disabled in single usermode, and if I init 3, then I get a login prompt that I can't open. Is there a way that I can enable root login? That might be a starting point to see if it's my user account or a general login problem.
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Jun 12, 2010
Fedora 13 stops responding during an open session. I am not able to open a terminal or any application, although the mouse still works. I able to get to the shutdown menu, although the system will not shutdown. The only option I have is to do a hard rebootfter a reboot, I am able to log on again and the system performs normal for a few minutes. After a few minutes the system freezes again except for the mouse
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Oct 31, 2010
My Fedora 12 box got that error after some updates on it.
I can login but it's prompting that error and everything will be a black space.
But still no good.
According to the log messages, the ConsoleKit session isn't initializing. I can't paste the logs here coz it's on another laptop.
I could think of just upgrading it to Fedora 13 but there's no way I can backup all of my files on it. Is it just safe to upgrade it?
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Aug 29, 2011
I have RDP working fine on my machine, however when I am signed in locally to the machine, I get the "console" session, which is fine, but when I want to RDP from another machine, I am put into a separate session, instead of "taking over" the console session.Is there a way to do this, similar to how RDP works on a windows machine?I have tried running the mstsc /console command, but I still get stuck into a non-console session.
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Mar 14, 2010
I installed Fedora 12 LXDE spin and its default session was LXDE. Then I downloaded XFCE and tried to change the default session of GDM to XFCE. I edited ~/.dmrc and /etc/sysconfig/desktop but this didn`t change anything. I was unable to find where GDM stores its default setting.
Is there any way to change GDM default session?
And more important: is there any way to make GDM to store different default sessions for different users?
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Apr 11, 2010
The following message comes up when I boot up: Logging in user Warning: Cannot open ConsoleKit session: Unable to open session: Launch helper exited with unknown return code 0. When I press OK, the system completes the start up and everything looks normal. But when I try to connect to internet, I get the following message:
KNetworkManager cannot start because the installation is misconfigured. System DBUS policy does not allow it to provide user settings; contact your system administrator or distribution. KNetworkManager will not start automatically in future. If I reboot the system, I logg in successfully. So far the problem has appeared approximately upon every second time I boot up. Rebooting the system seems to take care of it.
Don't know what info is of interest. I'm using
Opensuse 11.2
KDE 4.4.2 (Factory)
After upgrade from 4.4.1 to 4.4.2 it worked fine for a week or so.
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May 11, 2010
Info about session timeout.
I use tmout = 15 min in my /etc/profile (along with readonly tmout). i have some issues i need to address, looking for ideas.
1. what is considered a idle "session" ?
2. if i & a process to the background and do nothing is this a idle session?
3. if user uses su to a higher level, are there now two sessions? is the tmout for user suspended until su user time outs or leaves su session?
4. i have some users who will run long sql queries. is there a workaround to have the session remain active until process has finished?
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May 13, 2010
I do a clean install of slackware64 13.1 beta1 with KDE and switch default runlevel to 4 in /etc/inittab.
I try to login in kdm, I always come back to the login....
I try this with default runlevel 3 and an .xinitrc with "ck-launch-session startkde" .. works without problems, so I switch back to default runlevel 4, now i can login and only get the error "Cannot open ConsoleKit session: Unable to open session..."
Here are some logs
syslog
Code:
Code:
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Aug 13, 2009
After logging into fedora about 5 minutes into the session everything except the mouse freezes on the screen. There is nothing that works. A hard reboot is done and the same thing happens after logging in. The system use to work fine up until a few weeks ago. I suspect it may be an yum update.
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Sep 10, 2009
I started a process in a PuTTY session that I want to survive after I've disconnected. I issued a `disown` on the process (forgot to add the -h option). I've attached a small summary of the commands issued within the PuTTY session as well as an excerpt from the pstree (essentially switched user contexts twice, issued command, suspended program, disown'ed, resumed program
Command summary
Code:
> su -
> ...
> su -l <useraccount>
> ./myprogram
[Code].....
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Dec 19, 2009
i'm using Fedora11, and Firefox 3.5.6. As of today, firefox stopped restoring my session when it starts, instead it shows me my start page. I have the default configuration, "Show my windows and tabs from last time"
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Mar 5, 2010
Desktop computer (AMD64) running F12. Nothing unusual about it, stock install. Thinkpad laptop running Windows XP. Putty is installed, I can SSH to Fedora.
If I'm at the laptop, in a Putty session, how can I (for example) type "firefox" and have the resultant Firefox window appear on-the-laptop?
I generally have X running all the time on the desktop because I can't get the wireless network connection to function without NetworkManger (not that I really care because I'm rarely at a console screen and need net access).
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Jun 16, 2010
Here is my setup:
Machine A (fedora, gateway on remote network)
Machine B (fedora on local network)
Machine C (Vista on local network).
I want to connect to machine A from C and run graphical apps on it. I figured that installing a vnc client will be easier then X server (last time I tried X server on windows it did not end well). To ensure security, I vnc into a local linux box (machine B) and then ssh over to the remote box. When I ssh (with the -X param) into A from B, everything works great including the graphical apps. However, when I vnc into B from C and then ssh into A, I get the following message:
Warning: No Xauth data; using fake authentication data for X11 fowrard If I then try to run a graphical app I get cannot open display:
localhost:11.0
why does X forwarding work directly and not through vnc?
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Jun 30, 2010
After booting i see gdm screen, i enter my login and passwords, screen restarts and then i see again same gdm screen where i must enter my login and password. It can be endlessly.Ok...
/var/log/messages
Code:
Jun 30 11:16:18 stellvia kernel: btusb_bulk_complete: hci0 urb ffff8802250c6e40 failed to resubmit (1)
Jun 30 11:16:57 stellvia gdm-simple-greeter[1646]: WARNING: Default session is not available
[code]....
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Apr 11, 2011
How can I add a text session besides kde and gnome at startup?
I know that modifying /etc/inittab to level 3 will do this job, but I want the text desktop to be a session option at starrtup. Is it possible?
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Jun 4, 2011
Trying to start Docky, I get kicked out of my session. I do not see anything related in the system messages log.
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Jun 16, 2011
why my .xprofile is not being run at startup or after I restart my X session? It has all the right permissions. Is there some other Fedora equivalent to .xprofile?
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Jun 22, 2011
I am using lxterminal to connect to a telnet session on another *nix box.
After I connect, I always have to enter the command
Code:
export TERM=xterm
is there anyway to automate this?
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Jul 1, 2010
We are using Real VNC enterprise server. User will connect to the vnc server and do their work. We are facing one issue since from last week. When user is working on session, some times the session will get hung.He can't do anything on that. If he close the connection and try to connect from vnc viewer to the same vnc session it is not connecting. even it is not asking for the password. I have checked in the server the Xvnc process for the session is still running. When I tried to check the session is alive or not from telnet it is not showing that RFB 004.001.
xhdvnc2 ~]# telnet localhost 5902
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
If users are running some important tasks on that session they are not able to access. We are using RHEL 4U7 .
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