Ubuntu :: Cannot Log Into X Session
Jun 21, 2010
after an update yesterday, I cannot log into my X session ...
The first time I tried, my screen showed a KDE background, and I got the error:
could not start ksmserver check your installation then I had to click ok, and it put me back to the log in screen.
I opened a shell (ctrl-alt-F1), logged in and typed:
sudo apt-get remove ksmserver, and it told me there was nothing to remove, but said I had a bunch of stale packages and to apt-get autoremove them, and I did
Now, when I go to the log in screen (X), under sessions, it only has xterm (no gnome, no kde) ...
[edit]
I forgot to add, I have always used Gnome, and not kde ... I have no idea why it originally tried to throw me into a KDE session
How can I get my gnome desktop environment back so I can log in again? I have no idea what I did, nor how to get back to normalcy!
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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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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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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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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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Apr 6, 2010
when i start my pc i have an error: Consolekit session error, unknown return code 0 when i click Ok it then starts my session
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Jun 3, 2010
In recent versions of ubuntu, the behavior of gdm and gnome is changed so that if a gnome user doesn't touch the mouse or keyboard for a while, the session is locked, and they have to type their password in order to get back in. I dislike this behavior, because on some of the machines I use and manage, people will walk away and not come back, and then there is no way to log them out. I can switch and log in as a different user, but the AWOL user's session is sitting there eating up resources until the machine is rebooted. I prefer the old behavior, with no locking. Is there any way to get the old behavior back? I've looked through the gdm.conf docs, but can't seem to find anything relevant. This actually seems more like a gnome issue than a gdm issue. I think what's changed is that gnome now invokes a screensaver after a certain amount of time, and that screensaver locks the session.
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Aug 23, 2010
I'm experiencing a problem when trying to use VNC on my desktop box. Whenever I try to connect, I get a gray screen with the error "could not acquire name on session bus".I've searched the forums, but after trying several solutions, nothing has seemed to work for me.My xstartup file looks like this:
Code:
#!/bin/sh
db $HOME/.Xresources
[code]...
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May 5, 2011
I just upgraded to Natty (11.04) and I want to get my Ubuntu to remember what last windows I had open after I logout and then login.
Due to reasons beyond my comprehension, hibernate and sleep do not work, and I prefer to use shutdown anyway.
I am using Unity and have not changed much of the default environment. I found plenty of guides for 8.04, but the Unity change has moved a lot of things around.
Is this possible, and if so, how do I do it in 11.04?
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May 18, 2010
I have installed Ubuntu Netbook Remix 10.04 on my Sony Vaio netbook. I want to be able to log into a Gnome session as an alternative to UNR. The main reason for wanting to do this is to be able to add some applets to the panel which I use a lot. This is not possible in UNR, which is really irritating! However, I really like UNR otherwise, so don't want to just install standard version.
Synaptic shows that Gnome is not installed, but when I try to install it, I get this error message:
gnome: Depends: swfdec-mozilla but it is not going to be installed
I tried uninstalling Epiphany, which I sometime use instead of Firefox, but still got the error. I installed Ubuntu-Desktop, but when I select "Gnome" from the session menue at the bottom of the login page, it just logs into UNR session.
How do I install Gnome desktop so that I can log into a Gnome session?
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Feb 7, 2010
Whenever I play a desktop game, my session ends, prompting me to login again. Why does this happen? How can I fix it?
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Feb 9, 2010
I'm using an ATI card, however. I'm using a dual-monitor setup, such that one of the monitors is my HDTV. The problem is that flash has a bug in it (I don't care if Adobe claims it's a security feature, it's a bug) where it only opens full-screen mode on your left-most monitor, which happens to be my pc. Now I know an "easy" work-around is to switch the positions of my monitors, but I don't have room in my apartment to place them differently and switching them only virtually would confuse and frustrate me (I tried it before).
The default Ubuntu Desktop manager is very limited, and only allows me to span the display. The manager within ATI Catalyst Control center is even more limited (it doesn't even like when I use different resolution on each monitor). So I'm hoping to use separate X sessions for each display instead (I'm aware that I can't move windows between the monitors but that would not be as big of an issue to me). Can someone suggest how to setup a separate X session per monitor in ATI?
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Apr 25, 2010
I am running Ubuntu 9.04 on a wireless networked host machine. The wireless NIC is usb based. Its running inetd for network based servers (telnet, ftp etc).For some reason telnet, ssh or any application specific connection, hangs for a few seconds and then comes back. This happens after every few minutes. I do not loose any sessions or any data flowing across but it is sort of very annoying.It is a dual boot machine and I have also got Windows XP 64-bit. When am running on windows this does not happen, hence am not sure if it is something to do with the wirless nic or something else
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May 12, 2010
So, I thought I'd try Gnome as the default session. Using System...Administration...Login Screen, I selected Gnome as the default session.
When I rebooted, I see an ititial login screen, but when I click on anything, all I get is a black screen and a mouse pointer.
So now I am trying to switch back to the default. So I reboot, hit esc and drop into a root shell, type startx, and I get back to the default environment.
Now, however, When I try to use System...Administration...Login Screen, unlock does not work. I also tried by using su to change from root to my regular ID, but still, when I click on unlock in the login screen settings dialog, nothing happens.
How can I correct this? Is there a text file I can edit as root that will alow me to change things back to default?
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Jun 2, 2010
Is it the way to switch language during the session (probably will reload session)?
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Jun 16, 2010
After update in Lucid, cant start the session. As only critical part was Nautilus (on 2.31), how to fix it? I don't have in GDM any session option and no way to approach to terminal and start any session. Only way can be somehow before GDM (Lucid by default don't have Grub) or via Live USB (but how?).
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Jun 17, 2010
I've been playing around with my gnome set up and getting it to look nice, but every time I log out, it messes itself up in just a couple of ways. I saved the session, but that doesn't appear to be catching everything. The problems I'm having -I disable trackpad clicking with "sudo trackpad notap", but I need to reenter this every time I log in or it's turned back on again.
No matter what I do to screenlets, I can't seem to get it to remember that I only want ONE picture frame on my desktop when I boot up, and only ONE CPU monitor. It instead boots up 2 and 3 respectively.I have set stickynote to open up automatically, but it never boots up to the screen, only the panel above. I then have to double click on it to get it to open.Is there a way to save not just the session but every setting you've got running currently on a Ubuntu machine, and then load them automatically when you boot?
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Jun 23, 2010
So, I just installed Kubuntu 10.04, and couldn't let things be, so I installed GNOME, and plan to install a few other desktop environments for fun later. However, when I installed GNOME (apt-get install ubuntu-desktop), I realized that KDM's default session is whatever session you used last time. I'd rather it simply be KDE, since I know I'll be using it most out of any of the others. How can I make the KDM default session be KDE, instead of whatever the previous session was?
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Jul 15, 2010
I need some assistance with my Ubuntu server setup.
I use a Free BSD Linux server at work that I SSH to. When I telnet to the server I see the following:
[8:23am] myhost:/home/pmiglia]
I like that I see the time and path just like that.
Now I have been trying for DAYS to get my Linux server to display with the time but with no luck
FYI, new users and old users do not display like this when they SSH, only me as far as I can tell.
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Jul 19, 2010
I am trying to VNC into a server to which I have no physical access (but I can ask someone to start a session or something) but can ssh into. I have gotten a VNC session working by sshing in and running vncserver, although once the VNC session died in a confusing manner.
I don't know how to start a VNC session any way but vncserver, which is odd since I'm sure that Ubuntu's Remote desktop should somehow allow me to do this by default. The server by the way is being used as a desktop by someone else. Also, how do I tell if my VNC is encrypted and if it isn't how do I make sure it is?
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Jul 19, 2010
I need to close my session but the exit button is no longer here. I can restart the computer (ctrl+alt_del), but not only the session. I opened a session with the gnome desktop but everytime is messed up and I want to come back to the UNE desktop. How can I do that from a terminal?
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Jul 29, 2010
one month I switch the workspaces(desk1 to desk2), and open some applications, then I tried to save them. till now even I close them always, but they appear after each startup.
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Jul 31, 2010
I'm having issues logging into my system... After authenticating via GDM, the screen goes black with only the mouse showing and remains this way indefinitely. At first the hard disk is active to a similar degree as it was when logins were successful, but then the system (apart from being able to move the mouse) is unresponsive.
If left for long enough so that the screen goes into power-saving mode, moving the mouse brings up the unlock dialogue that you normally get if you set your computer to lock itself after a period of idleness.
I suspect some sort of file corruption, as I have not changed any settings recently. I have forced checks on all of my disks in the hope it would solve this problem. I have also tested logging in on a freshly created user account I created which gives the same result. Also, starting an xterm session from GDM works fine.
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Sep 9, 2010
How to install Edubuntu as a session in Ubuntu 10.10 beta(for university)..?
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Sep 11, 2010
I just completely put Ubuntu on my laptop and I am looking for a replacement MSN messenger that allows multi-session. Basically, in most of the WLM versions of MSN Messenger it allows Multi-session, as in I can login into the same MSN account on both my desktop (Windows) and my laptop (Ubuntu). Both Pidgin and Empathy don't, and rather going through all of them I thought I'd ask here.
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Nov 20, 2010
When I log in on my PC with ubuntu 10.10 after a few seconds it just crashes the session and put the login screen, How can I see the log to know what was the issue? eventhough i think it is related to vnc-java when it is started at the begining of the session.
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