CentOS 5 :: Writing 2nd Session Of Multi-session DVD?

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}


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Ubuntu :: Messenger That Allows Multi-session?

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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Ubuntu :: Multi-Session DVD Backup Burning?

Apr 29, 2010

Is there any way to save data to a DVD & leave the disk "open" to add files after the session is closed? I like to backup my MP3 files to DVD's, been doing it for years using Windows Vista. As I collect more MP3's I add em to the same DVD. Can't do this using Brasero or any other program I have tried - once I write a file the disk is closed.

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Ubuntu :: Multi Session Login With X11vnc?

May 31, 2010

I'm creating a new thread based on this post by batagy:



So I have running x11vnc as service without any problem (running on Solaris 10 and SLES10 too). I'm using the x11vnc's inbuilt "user chooser" screen (that little black screen), these command line options:

x11vnc -inetd -unixpw -users unixpw= -display WAIT:cmd=FINDCREATEDISPLAY-Xvnc.xdmcp -env X11VNC_CREATE_GEOM=1248x900 (plus a couple of other options that are not interesting here)

My question is related to the wanted VNC screen size. By default, I set the defauls screen size to 1248x900, as can be seen above.

Currently , when a user want to personalize his/her screen size to be started, he can do it this way: when the small black authentication window is appearing first, after his username, he's entering a colon, then specify the wanted resolution in this format: geom=1600x1200.

My question: is it possible somehow to set automatically the preferred screen size, without entering this ":geom=1600x1200" string in the authentication window? I mean to set it per user, without modifying the service options. I mean, for example setting the X11VNC_CREATE_GEOM or FD_GEOM variables in the user's home ".profile" for example?

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Slackware :: Script - Telnet Session Is Opened And Then Some More Commands Are Forwarded To That Session?

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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Programming :: Hashing The Components Of An Tcp Session To Assign/locate The Session In A Hash Table Bucket?

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.


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Ubuntu :: Session Manager / Select As A Startup Session?

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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Ubuntu Servers :: Restrict User Session Numbers And Allow Resuming Previous User Session?

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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OpenSUSE Install :: Cannot Open ConsoleKit Session: Unable To Open Session

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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General :: Session Timeout - What Is Considered A Idle "session" ?

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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Slackware :: 13.1 Beta1 - Cannot Open ConsoleKit Session - Unable To Open Session

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




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CentOS 5 :: Locking A TWM Session

May 6, 2010

I have to run a graphical session for using something with wine on a server (unfortunately :((( ) and I'd like to run a TWM session. As I would like to lock the session, I settled things to log on from XDM. However, I can't find anyway to lock the session. Is it possible (I guess yes) ? How can it be achieved?

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CentOS 5 :: No Shell In VNC Session?

Jan 5, 2011

not have shell in VNC session ,

on a clean install of centos put these command

yum update -y
yum groupinstall -y "Japanese Support"
yum install -y rtorrent lftp mc firefox
yum -y groupinstall xfce


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CentOS 5 :: Can't Start A Remote-Session

Jan 12, 2010

I can't start a Remote-Session and I'm looking to the log-files at the moment. Where are the logfiles for NX?

I found, but here is nothing inside:

/var/log/nxserver.log [root@headnode1 ~]# cat /var/log/nxserver.log [root@headnode1 ~]#

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CentOS 5 :: How To Kill A Tty / Pts User Session

Jul 22, 2010

is there a way to kill a pts/* or tty* user session from comman line, without knowing its process id.

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CentOS 5 :: Cannot Su Via Ssh - Error: Could Not Open Session

Dec 31, 2010

My server (CentOS 5.5) is a ldap client authenticate to LDAP server (Successfully authenticate) I use pam for ssh. I can ssh successfully with any users on system. But I cannot su - from ssh. It display the error: Could not open session. I look to log file and it shows: # tail -f /var/log/secure

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CentOS 5 :: Can't Start Session Due To Internal Error / Do That?

Apr 5, 2009

I am new to CentOS and need this urgent help.

On my machine, I am not able to login using any of the user account or root. It's showing this message:

Then comes another message:
YOur session lasted for less than 10 seconds. Try logging using Failsfe.
session_child_run: Could not exec /etc/X11/xinit/Xsession default

I tried to use the failsafe as well, but nothing seems to work.

Would someone please help me regarding this issue?

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CentOS 5 :: Session Management Appears To Be Broken In 5.3 And 5.2

Jun 8, 2009

Session management with gnome-session-properties and GDM appears to be broken in CentOS 5.3 and 5.2. I can't comment on earlier versions.Activating "Automatically save changes to session" does work--for example, on the next login, the terminals that were open at the last logout are reopened.

But if "Automatically save changes to session" is not selected, according to help,"when you end your session the Logout Confirmation dialog displays a Save current setup option."This does not happen. No "Save current setup" is offered, regardless of whether or not "Ask on logout" is selected.

Also according to help, if one has added sessions with gnome-session-properties, then
when one logs in "on GDM, you choose a session. When you choose a session, you can
select which of the multiple sessions to use."This does not happen. No matter how many sessions one may have added with gnome-session-properties, none of them appears in the list of sessions that GDM presents.

So it appears that only a small fraction of session management functionality works in
CentOS 5.3 and 5.2.

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CentOS 5 :: ISCSI: Session But Disk Doesn't Appear?

Sep 29, 2009

I have a CentOS 5.3 server, running in a VM. I get the iSCSI session to my Buffalo, but the disk doesn't appear.

Sep 29 09:06:29 qaservice iscsid: iscsid shutting down.
Sep 29 09:06:29 qaservice kernel: Loading iSCSI transport class v2.0-871.
Sep 29 09:06:29 qaservice kernel: iscsi: registered transport (tcp)
Sep 29 09:06:29 qaservice kernel: iscsi: registered transport (iser)


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CentOS 5 :: Blank Screen With VNC Over SSH, And Lock Ssh Session?

Sep 2, 2010

I have 2 servers, I set the first one up so that I can remote to it and connect with VNC over ssh by following:[URL]ServerThe 2nd server I did the same, but I cannot connect! When I do, vncviewer prompts for a password and then opens a window of the correct size, but it is all white and then my ssh session is locked! I can't enter any more commands, I have to kill the session.

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CentOS 5 :: Add Arabic Site In The Fresh Session In 5.5

Oct 29, 2010

I have centos 5.5 like a OS in my computer, and i wana add a arabic language in the frensh session, i mean i wana list the arabic site in the frensh session.

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CentOS 5 :: Session Crash While Running Matlab

Jul 19, 2011

I am running matlab 2010b on centOS5.6. Matlab opened without any error either in the computer terminal or in VNCSERVER. While running bench (of matlab) the session or the vncserver are crashing.In some cases the bench run for the first time without any problems, however it will crash the session or the vncserver on the 2-3 runs of the same code.

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General :: CentOS 5.4 - Bash Script Exits SU Or SSH Session

Apr 23, 2010

I am using CentOS 5.4. I created a bash script that does some checking before running any commands. If the check fails, it will simply exit 0. The problem I am having is that on our server, the script will exit the su or ssh session when the exit 0 is called.

# check if directory has contents and exit if none
if [ -z "`ls /ebs_raid/import/*.txt 2>/dev/null`" ]; then
echo "ok"
exit 0

Here is the output:
[root@ip-10-251-86-31 ebs_raid]# . test.sh
[russ@ip-10-251-86-31 ebs_raid]$

I was removed from my sudo session, if I wasn't in the sudo session, it would have logged me out of my ssh session. I am not sure what I am doing wrong here or where to start.

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CentOS 5 Server :: Squid Session Not Found In Any Directory?

May 9, 2009

I installed squid 2.7 and want to use squid_session external acl rule. But there is no squid_session in any dir, looked everywhere. On my Ubuntu box I also have squid 2.7 and there I have squid_session.

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CentOS 5 :: GnomeUI-WARNING **: While Connecting To Session Manager?

Mar 19, 2010

2.6.18-164.11.1.el5 x86_64 x86_64

I have been updating my system and making a few changes and now I have a serious problem with GNOME (as far a I understand). In the Desktop if I try to start some applications such as the text editor gedit it crashes and won't start. Some applictions start from the menu some don't (e.g. services) and others start and then crash if I try to example manipulate them (e.g. open a file in openoffice).

In the case of gedit if I try to run it from the command line as root I get the following

# gedit

(gedit:6475): GnomeUI-WARNING **: While connecting to session manager: Authentication Rejected, reason : None of the authentication protocols specified are supported and host-based authentication failed.Illegal instruction [code]....

When I try to start the services (i.e. /usr/bin/system-config-services) I get:

Mar 20 00:35:54 ##### kernel: system-config-s[6536] trap invalid opcode rip:3e18ffd008 rsp:7fffeeffdb30 error:0

in /var/log/messages

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CentOS 5 :: Running X Window Graphical Application Over Ssh Session?

Sep 14, 2010

I want to run X window graphical application over ssh session on my server running Centos 5.5 . i used the -X flag for ssh (ssh -X user@serverip). i checked the /etc/ssh/sshd_config file on the server and i have the line "X11Forwarding yes". but i can not run any X applicaton. when i use root account i get the message: xauth: creating new authority file /root/.serverauth.15813


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CentOS 5 :: Starting VirtualBox Causes User Session To Logout?

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?

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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CentOS 5 :: Session Crash While Running Matlab / Solution For This?

Jul 19, 2011

I am running matlab 2010b on centOS5.6.
Matlab opened without any error either in the computer terminal or in VNCSERVER.
While running bench (of matlab) the session or the vncserver are crashing.
In some cases the bench run for the first time without any problems, however it will crash the session or the vncserver on the 2-3 runs of the same code.
Any idea how to solve this issue?

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CentOS 5 :: Automaticaly Launch Tomboy When The User Open Session?

Aug 5, 2010

I would love to auto-start tomboy at startup. How can I do this ? [Moderator edit: fixed Subject so nobody would expect an automatic Lunch. Is that the same as a free one? ]

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CentOS 5 :: What Program Runs The Session Lock And Screen Saver For Gnome And KDE On 5.5

Jul 27, 2011

what program runs the Session lock and the screen saver for gnome and KDE on centos 5.5. But most importantly id like to know what the config file for the screensaver/session lock is called and where its most likely located.

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