On 06/09/2010 02:16 AM, Xavier Brochard wrote:
You can also let the thin-client decide on which server it will boot. A server
with a lot of load will answer later than the one with less
Another possibility: at ldm login, users can be presented a list of servers.
Then they choose on which
I'm looking at expanding my LTSP installation with another server (I
already have /home, LDAP authentication, and CUPS offloaded onto another
server). It appears that the primary options at the moment are load
balancing across a pair of DHCP servers or moving to ltsp-cluster is that
correct?
On 05/28/2010 12:59 PM, john wrote:
Hi all,
I have a setup a cronjob that shuts down our schools
thin clients at the same time every day. I followed
https://help.ubuntu.com/community/UbuntuLTSP/ChrootCronjobs
and
https://help.ubuntu.com/community/UbuntuLTSP/AutomatedTCShutodwn
In general
john wrote:
Hi all,
I have come to the conclusion that my single 7k sata disk is too slow to serve
25 plus LTSP thin clients. I see high disk writes accompanied by high
CPU wait time.
My mobo supports SAS. I am wondering what the optimal disk setup is
with regard to speed. Can I get
Antoine Rodriguez wrote:
Hi,
I'm a beginner in LTSP.
I'm using ubuntu 9.10 alternative with LTSP Mode
Everything works fine but :
How do I avoid having the server applications installed on my client
chroot environment ?
For instance :
I install italc-master on my server and only
Sounds like there are a couple other ways to go. For my installation I
wrote a wrapper script around the cpulimit command. More info here if you
want it: http://blog.lib.umn.edu/cayfo001/blogorama/212547.html
-Steve
--
Jakob Unterwurzacher wrote:
[...]
Sorry, i missed that pulseaudio actually gives you a helpful error message:
Oct 29 16:09:02 ltsp-client pulseaudio[3071]: rtpoll.c: Assertion 'usec =
((pa_usec_t) 100ULL)*60ULL*60ULL' failed at pulsecore/rtpoll.c:516,
function
I've been losing the audio on thin clients lately. I'm not sure when this
started, either when I upgraded to Jaunty or sometime since then. Audio was
definitely working with earlier versions.
After initially booting up a client I can usually log in and audio will
work for a little while. I'm
David Burgess wrote:
I'm trying to use parallel-ssh to poll my tc for update and other such
things one might want to do via ssh on a running tc. I followed the
guide here:
http://www.debian-administration.org/articles/530
placing the generated id_rsa.pub into
David Burgess wrote:
On Fri, Oct 2, 2009 at 1:24 PM, Steve Cayford cayfo...@umn.edu wrote:
Just to be clear, you have a file authorized_keys with the public key in
it right? It sounds like you put the id_rsa.pub file into an
authorized_keys directory which would be wrong.
That should
This is probably one of those doh questions.
If I set up a custom rc script to run on the client at boot time is there
an easy way to read the settings from dhcp and the lts.conf file? e.g. Say
I want to get the list of server IP's. It seems like there must be some
sort of API or environment
Jakob Unterwurzacher wrote:
Steve Cayford schrieb:
This is probably one of those doh questions.
If I set up a custom rc script to run on the client at boot time is there
an easy way to read the settings from dhcp and the lts.conf file? e.g. Say
I want to get the list of server IP's
Keith wrote:
Hi there LTSPers,
We run an ubuntu 8.10 / LTSP 5.0 classroom at our school.
We have a quad-core server with 8G RAM and 26 clients.
Gigabyte switches.
So, on paper, it should cope with ease
When the classes logout hundreds of processes are left open.
So by trial and error I have
Rob Owens wrote:
On Wed, Jun 03, 2009 at 05:09:31PM +0200, Wojtek Polcwiartek wrote:
Hallo,
does anyone know how to hide running processes of other users?
I'm not sure if it would break anything, but you could change the
permissions/ownership of 'ps' so that only root (or a
particular
mar...@flage.org wrote:
Scott Balneaves wrote:
All this having been said, I suspect that either pam-mount, or, probably more
succinctly, pam-script (since you'd really want to do more that just mount:
you
also want to create the tmp area, etc.) would probably be the way to go.
pam-script
Bob Wooden wrote:
I see that I have not provided enough information for any good
suggestions. Sorry about that.
What I have discovered is that when the Ubuntu default screensaver is
enabled, the server display will hang when the terminal is left
logged in. When I disable the screensaver all
Kai Wollweber wrote:
[...]
I never used this before, but you can configure squid (squid.conf) that
users need to authenticate before using squid. Authentification can be
managed by identd or by manual login.
Yes, look into using ident to get the username. This would query a small
process that
John Hansen wrote:
We recently upgraded to Hardy, and after updating the chroot, USB drives are
mounting successfully. However, now anyone logged onto a thin client can see
other users USB sticks mounted on their desktops. Only the user of that USB
stick can read the device, but it appears on
Timothy Legge wrote:
Hi
I have updated a script that automatically sets and locks Firefox
proxy and other settings. See
http://timlegge.blogspot.com/2009/01/lock-firefox-proxy-and-other-settings.html
for the details and a link to the script.
I have tested it on Ubuntu 8.10. The script
Slawek Drabot wrote:
the directories /opt/ltsp/i386/boot and /var/lib/tftpboot/ltsp/i386 contain
the same files
when changing any of the files, do all the files need to be synchronized?
I think you can consider /opt/ltsp/i386 a staging area for what will
eventually end up in
Timothy Legge wrote:
[...]
1) Reboot of the sometimes requires a reboot of the clients it looks
like nbd loses the connection
2) Stray user process stay running
3) Java sometimes takes 100% CPU
4) FireFox crashes more often than I would like
5) It sometimes works fine for 10 minutes or so but
Helmut Lichtenberg wrote:
David Burgess schrieb am 04. Dec 2008 um 01:13:46 CET:
On Wed, Dec 3, 2008 at 3:42 PM, Steve Cayford [EMAIL PROTECTED] wrote:
In short clients are not booted off. They continue to use the old image
until the client gets rebooted.
Thus has been my experience
I don't see this noted anywhere in the docs. If I run ltsp-update-image
while clients are up and running are they going to get booted off? I'm not
sure how the nbd connection handles having the image file pulled out from
under it.
Thanks.
-Steve
Gian Carlo Stagni wrote:
Steve Cayford ha scritto:
Recently I've started hitting this problem on Ubuntu 8.04.
I use Debian Lenny.
If I attempt to login to a client with a bad password, the LDM login screen
displays the message Verifying password, please wait..
I had the same problem
Peter Stein wrote:
Recently, I had some trouble working with ltsp:
I logged in on one of the ldm-servers I specified. Then I changed the
user and tried to open a program:
/[EMAIL PROTECTED]:/amnt/home/Peter.Stein$ su ripley/
/Password: /
/Last login: Thu Nov 20 15:16:38 2008 on pts/5/
Recently I've started hitting this problem on Ubuntu 8.04.
If I attempt to login to a client with a bad password, the LDM login screen
displays the message Verifying password, please wait... as normal, but
then never returns to the login. The password field is still there and I
can type in it,
Mark David Dumlao wrote:
[...]
Anyways, it would seem that I have two problems that ask for a solution:
1) Are my local services performing DNS lookups? Why? How do I get them
to stop doing that?
2) Is my pdns / bind / whatever dns under attack by bots using rndc? How
do I stop them?
This
[EMAIL PROTECTED] wrote:
[...]
Now I wanted to start testing how certain software behaves under LTSP.
So I installed three software packs (Stellarium, KStars and Celestia to
be precise) on the server. By mistake I did install them under the true
root '/' of the server as opposed to the
Geoff Lane wrote:
I am trying to narrow down a small problem I have with LTSP.
Does daemon.log give me all the info I need or are there other log files I
need to view.
It really depends on a) what distribution you're running, and b) what info
you're looking for. Log messages can get
Gideon Romm wrote:
Dor etherboot images, it is not enough to just run update-initramfs.
You must:
1. chroot /opt/ltsp/i386 update-initramfs -u
2. chroot /opt/ltsp/i386 /usr/lib/ltsp/update-kernels
3. ltsp-update-kernels
Step #2 makes the nbi image using the updated initramfs created
I'm trying to get my etherboot clients to use dhcp ports 1067/1068 on
Ubuntu 8.04.1.
I set up the initramfs configs to be (what I think) is correct, but was
having no luck. Then I realized that the nbi image in /var/lib/tftpboot had
not been modified. I had run the update-initramfs tool in the
Bringing up an old topic (from May and June) I bumped my server up to
Ubuntu 8.04. And trying to get the new system to work with DHCP on ports
1067 and 1068.
I still have clients booting up this way via an nfs share and my old client
images, but I'd like to move them to the NBD system. I've
Aaron,
Puzzling. The fact that the request is showing up in the syslog from
in.tftpd should indicate that there is no firewall in the way and it
looks like the tcpwrappers are not the problem. It also doesn't sound
like a dhcp problem since at the point of this request the dhcp phase is
Okay, that shot down all my theories. I don't know where else to look at
the moment.
-Steve
Aaron J. Wood wrote:
Steve,
I am writing this fast as I am running out the door. I booted a windows
machine on the remote subnet and was able to retrieve the pxelinux.0 file
from the windows
PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Steve
Cayford
Sent: Friday, June 06, 2008 6:16 PM
To: ltsp-discuss@lists.sourceforge.net
Subject: Re: [Ltsp-discuss] PXE Boot over multiple Subnets using W2003 SBS
asDHCP Server
Is the tftp server responding at all? Your description sounds like
Is the tftp server responding at all? Your description sounds like the
connection is getting blocked on the server before it reaches the tftp daemon.
-Steve
Aaron J. Wood wrote:
Update:
I installed wireshark on the LTSP server and the remote booting client is in
fact getting to port 69 and
Just a thought, but why not move stuff from /opt directly into /archive and
then remount it on /opt? Also rsync is nice for big copies.
My approach:
# rsync -av /opt/ /archive/
# umount /dev/cciss/c0d0p12
Edit /dev/cciss/c0d0p12 mount point in fstab to /opt
# mount /dev/cciss/c0d0p12
after
Well, this is a bit old, but here are my notes to myself from a little over
a year ago -- I don't know how much still applies since the new system uses
nbd and squashfs instead of nfs. I'll be upgrading this system soon so I'll
probably find out shortly.
In any case, I doubt you should need to
David Burgess wrote:
On Fri, May 9, 2008 at 6:27 AM, Rob Owens [EMAIL PROTECTED] wrote:
Rob Owens wrote:
On Thu, Mar 06, 2008 at 01:31:50PM +0100, Oliver Grawert wrote:
hi,
Am Mittwoch, den 05.03.2008, 13:44 -0500 schrieb Rob Owens:
I'd like to run 2 instances of ssh on my LTSP 5 server, so
I've run into this as well. For me, deleting the .cache directory in the
user's home fixed the problem.
-Steve
J. Paul Bissonnette wrote:
The problem with the panels in XFCE started again.
I noticed that settings - panel manager did not function.
I tried run program xfce4-panel, the panel
I've occasionally run into problems with aptitude or apt-get failing to
do name resolution correctly. My work-around has been to use the ip
address for the repository instead of the host name. Usually I can
switch it back after an update or two.
-Steve
Michael Blinn wrote:
I also got this
ugh ugher wrote:
[...]
If I do vncviewer 192.168.1.5:0 I get unable to
connect to host connection refused (111)
Help??
It's not blocked by tcpwrappers is it? (hosts.allow, hosts.deny) Or is
x11vnc being installed in a more secure mode by default?
-Steve
jam wrote:
On Wed, 2007-10-31 at 10:45 -0700,
[EMAIL PROTECTED] wrote:
Can anybody confirm if they are Thin or Fat clients?
ie This Display has an IP of its own as opposed to having the server
IP
Curious - James
They are thin clients, they clearly just found a way of allocating
Virtual IPs
Lee Portnoff wrote:
Is there a way to have terminals automatically logoff after a certain
amount of inactivity time? Searching archives, I saw someone suggest
logmon (www.logmon.com) Is there any other way to achieve this?
Here's a screen saver I wrote in perl to do this. It's probably
the workstation in the right direction to get the credentials for that
users (ie: username and password). Any ideas would be appreciated.
*/Steve Cayford [EMAIL PROTECTED]/* wrote:
As far as I know the diskless clients shouldn't need to know
anything about
the authentication scheme
As far as I know the diskless clients shouldn't need to know anything about
the authentication scheme. That's all handled by your pam setup on the server.
When you say disked workstation, do you mean a workstation booting a full
Linux distro off the hard drive or some sort of etherboot situation?
Umar Said wrote:
[...]
My first question is, how do I boot from grub? I have successfully boot ltsp
using pxe on some machine with pxe in it. But there are some machines which
cannot boot from LAN. Can I enter grub menu then boot ltsp from there? Or is
there any way to do it?
Yes, get an
Steve Cayford wrote:
[...]
I'm testing crossover running MS Office 2003 under LTSP 5 on Xubuntu 7.04. It
works pretty well, except that if I open an office document that is on a flash
drive then try to save it, I get an error message saying This file is
read-only. If I try to save
Thierry Blanc wrote:
To use LTSP (5) and Xubuntu Desktop for a internet kiosk, I wrote a few
shellscripts to manage account of customers.
All scripts work fine, countdown, credit, warning message, automatic
creation of homedir during login, etc. but I could not find anything about
FORCED
Hi,
(I asked this on the codeweaver list, but haven't got much response. Maybe
someone here has some ideas?)
I'm testing crossover running MS Office 2003 under LTSP 5 on Xubuntu 7.04. It
works pretty well, except that if I open an office document that is on a flash
drive then try to save it, I
ilkka.koivistoinen wrote:
Does alternate port 1067/1068 work in ltsp version 5?. dhcp3 seems do
response
ok (port 1067/1068) and tftp works. After booting, nfs-mount fails and
rootserver seems to be the main dhcp (used in local windows net in port 67).
I think there are three places
[EMAIL PROTECTED] wrote:
[...]
In my experience, and try YMMV, two boots was all that was ever needed.
power on
Bla bla - error
power off
power on
Bla Bla - success
My users were happy to do this, explained once and no complaints, including
linux-phobes (haters)
Interesting. I may
[EMAIL PROTECTED] wrote:
On Sunday 15 April 2007 03:06, [EMAIL PROTECTED]
wrote:
I'm currently using an etherboot hard drive installation on standard PCs
for our LTSP clients. I'd like to investigate moving to dedicated thin
clients to save money and power, however I need to run dhcp on an
I'm currently using an etherboot hard drive installation on standard PCs for
our LTSP clients. I'd like to investigate moving to dedicated thin clients to
save money and power, however I need to run dhcp on an alternate port to work
around campus-wide dhcp servers that I don't control. As far as I
Marco Renoldi wrote:
Hello!
In our school we have Ubuntu 6.06 and LTSP 4.2. with up to 20 clients.
When the students need to use Openoffice I ask them to change session
and log in XFCE, but I wasn't able to disable the shut down button
when the clients log out. Anyone can help please?
I've got LTSP5 up and running on a Xubuntu 6.10 server. Two questions:
1. When I plug a usb drive into a client it mounts the drive under
/media/$user/usbdisk-sda1, is there a way to configure this onto the desktop
instead? Or should I setup a symlink from the desktop to /media/$user?
2.
I've been happy using Feather for lightweight stuff (it's a stripped
down version of Knoppix), but I don't know if it's been updated recently.
You can also search at distrowatch.com for distributions to fit your
criteria.
-Steve
David Nielson wrote:
I've got a laptop with a PCMCIA ethernet
Steve Cayford wrote:
This may be off topic, I'm not sure.
I'm setting up an LTSP5 system on Xubuntu 6.10. When I log in from my test
client (via ldm) it's working beautifully, except that the window decorations
on openoffice.org are garbled. Other apps are fine, logging in to the server
This may be off topic, I'm not sure.
I'm setting up an LTSP5 system on Xubuntu 6.10. When I log in from my test
client (via ldm) it's working beautifully, except that the window decorations
on openoffice.org are garbled. Other apps are fine, logging in to the server
itself does not give this
Hello,
I'm setting up an LTSP (v.5) server on Xubuntu 6.10. I'm trying to work around
an existing DHCP server by running on ports 1067 and 1068. I've got the
etherboot part working. The client gets an IP and downloads the kernel via
tftp successfully, but is unable to mount the root filesystem
Steve Cayford wrote:
[...]
I followed the recommendations in this discussion,
http://www.mail-archive.com/edubuntu-users@lists.ubuntu.com/msg00175.html ,
however the ipconfig -p 1068 ${DEVICE} line in /scripts/nfs doesn't seem to
help. I verified that it is changed in the new initrd that I
Dries Desmedt wrote:
Hi,
Can somebody tell me where muekow, lbe and ldap is standing for and what
it is?
Well, here's a start:
lbe: http://wiki.ltsp.org/twiki/bin/view/Ltsp/LBE
muekow: http://wiki.ltsp.org/twiki/bin/view/Ltsp/MueKow
ldap: http://www.openldap.org/faq/data/cache/3.html
You'll find a little overview here:
http://wiki.ltsp.org/twiki/bin/view/Ltsp/ServerSizing#10mbit_100mbit_Gigabit
It recommends gigabit from the server to the switch, while 100Mb is
sufficient from the switch to clients. But, of course, it depends on
your load and usage patterns, too.
-Steve
Jim McQuillan wrote:
On Wed, March 8, 2006 4:50 pm, Lonnie Cumberland wrote:
Hello All,
Is there a way to build a floppy boot disk for my clients in which I can
specify a specific DHCP server IP?
A dhcp client sends out a broadcast request for network information.
There's no way to
Fajar Priyanto wrote:
When I got it fix by eliminating the duplicated files, the program can display
the report quickly again, although dosemu still takes 99% of cpu. But, it is
only when it is calculating. When the report is done, the cpu comes normal
again.
Couldn't you use ulimit to stop
Joe Baker wrote:
On Wed, 10 Aug 2005 10:09:27 -0500, Steve Cayford [EMAIL PROTECTED] wrote:
Joe Auerbach wrote:
Interestingly enough, as far as I can tell, ubuntu has no .xsession
file. I have no idea how it logs you into X, but there is no
~/.xsession.
On my Debian Sarge system
Joe Auerbach wrote:
Interestingly enough, as far as I can tell, ubuntu has no .xsession
file. I have no idea how it logs you into X, but there is no ~/.xsession.
On my Debian Sarge system there's no ~/.xsession by default, but if I
create one it will be honored. Try looking under /etc/X11
Pratham wrote:
[...]
I am having following questions in my mind . 1) can we run all intel
based applications on the AMD Processor (like sybase for i386
processor and so on ) 2) can a 32 bit application run on a 64 bit
Processor 3) IS Red HAT 7.3 capable of detecting a dual processor ,
I was having trouble accessing the cdrom on a client machine running off a
server
with Debian Sarge. There wasn't even a /dev/hdc entry (or any other /dev/hd*
entries)
available. I was also seeing an error when the client booted up about the
modprobe.devfs file. On a wild guess I copied
McQuillan wrote:
Steve,
Are you using the 2.4 or the 2.6 kernel on the client?
It seems to me that the problem you mention is a 2.6 issue. we're still
working at integrating 2.6 into ltsp better.
Jim McQuillan
[EMAIL PROTECTED]
On Wed, 25 May 2005, Steve Cayford wrote:
I
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