Re: [Ltsp-discuss] Lubuntu 14.04 ltsp-pnp installation ?

2014-05-05 Thread Alkis Georgopoulos
Στις 04/05/2014 09:11 μμ, ο/η asmo.koski...@arkki.info έγραψε: I have tried to install Lubuntu 14.04 LTSP-PNP according to the instructions. But client's do not log in to the desktop. They always return to the login screen again, What should i do? I think I can confirm that with Lubuntu

Re: [Ltsp-discuss] Client mounts SD card, but not USB hard drives

2014-05-01 Thread Alkis Georgopoulos
Hi, see my answer at 08:53 there: http://irclogs.ltsp.org/?d=2014-03-25 -- Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get

Re: [Ltsp-discuss] Busybox with ltsp 5.5 and xubuntu12.04

2014-02-28 Thread Alkis Georgopoulos
Στις 28/02/2014 01:26 μμ, ο/η rkwesk_ltsp έγραψε: On 2014-02-28 11:28, Funke, Martin wrote: Does anyone know why it only works this way? The version from the repo ts.sch.gr was deliberately altered Hi guys, no, the ts.sch.gr PPA version is not altered at all, it's just a newer LTSP version

Re: [Ltsp-discuss] Change xrandr monitor config based on network MAC after login

2014-01-22 Thread Alkis Georgopoulos
Στις 23/01/2014 04:50 πμ, ο/η Graham Innes έγραψε: To solve this, I had someone write a script to issue a xrandr command based on the network MAC address of the machine (similarly to how lts.conf works, but this is executed AFTER login). This should work for both fat and thin clients (thin

Re: [Ltsp-discuss] I tried to install ltsp-pnp to Linux mint Debian.

2014-01-13 Thread Alkis Georgopoulos
Στις 09/01/2014 11:42 πμ, ο/η Takala Tuomas έγραψε: Hello I have tried to install ltsp-pnp to Linux mint Debian. All went ok, until I tried to start client. I got an error message /*NFS over TCP not available*/from (IP address of server). What should I do? Tell Debian to use NBD

Re: [Ltsp-discuss] Clients fail to boot: 'Error: socket failed: connection refused'

2014-01-09 Thread Alkis Georgopoulos
Στις 09/01/2014 06:07 μμ, ο/η John Hupp έγραψε: Worthy thoughts. I joined about 45 minutes ago, but no one was around then who could push this forward. I see from the log that there was a lot more activity 6+ hours ago. I may rejoin and monitor from this machine and make a fresh initiative

Re: [Ltsp-discuss] Clients fail to boot: 'Error: socket failed: connection refused' [SOLVED/RECAP]

2014-01-09 Thread Alkis Georgopoulos
Στις 10/01/2014 03:32 πμ, ο/η John Hupp έγραψε: But I'm thinking that Alkis probably just did sudo update-initramfs -u and then simply copied the current /boot/initrd.img-3.x.x-xx-generic image to /var/lib/tftpboot/ltsp/i386/. Care to confirm/correct/comment on any of this, Alkis? Yup,

Re: [Ltsp-discuss] Clients fail to boot: 'Error: socket failed: connection refused'

2014-01-08 Thread Alkis Georgopoulos
John you've been trying to troubleshoot this for a long time, whey don't you come over at the LTSP IRC channel for live support to see if we can quickly solve it? It might be something completely unrelated to what you're thinking now, e.g. if you have a router as a DHCP server and you're not

Re: [Ltsp-discuss] LTSP fails on Ubuntu with mainline kernels?

2013-12-28 Thread Alkis Georgopoulos
Στις 28/12/2013 08:37 μμ, ο/η John Hupp έγραψε: But I have not been able to get LTSP to work with any of the mainline kernels I tested: 3.10.1, 3.9.6, 3.8.13, 3.7.5, 3.6.3 all fail. LTSP in Ubuntu is using overlayfs or aufs, and noone of them is mainlined yet, so you can't use a mainline

Re: [Ltsp-discuss] Where can I review/edit the initramfs init script?

2013-12-11 Thread Alkis Georgopoulos
Στις 11/12/2013 11:33 μμ, ο/η John Hupp έγραψε: So for my case with ltsp-pnp, I would understand that the base directory is not /opt/ltsp but /, and that it would default to copying kernels from /boot. Yes, but not exactly. See how it goes: ltsp-pnp is just an easy name to refer to some LTSP

Re: [Ltsp-discuss] allowing non-sudoer user root access to chroot

2013-11-11 Thread Alkis Georgopoulos
You can give them an Ubuntu installation in e.g. a VirtualBox VM, and when they're done, install ltsp-client in it, loop-mount it with vdfuse, and run ltsp-update-image -c /path/to/mounted/vm/disk Στις 11/11/2013 12:47 πμ, ο/η Todd O'Bryan έγραψε: I'd like to set up a second image for my clients

Re: [Ltsp-discuss] Scalability versus Triviality

2013-10-30 Thread Alkis Georgopoulos
Hey Asmo, from epoptes, select the clients and run: sudo mount /dev/sda1 /mnt sudo mkdir -p /mnt/Boot/LTSP sudo dd if=/dev/nbd0 of=/mnt/Boot/LTSP/i386.img; reboot Then edit pxelinux.cfg/default so that it reads: APPEND ro initrd=ltsp/i386/initrd.img init=/sbin/init-ltsp root=/dev/sda1

Re: [Ltsp-discuss] ltsp-dhcp service script bug

2013-10-08 Thread Alkis Georgopoulos
Στις 07/10/2013 04:40 μμ, ο/η emil.kro...@ekrotech.com έγραψε: the script located in /etc/init.d contains wrong name. The red place below should read PDA: conf=$(findConfig $DHCPDARGS) if [ ! $found ]; then DHCPDARGS=$DHCPARGS -cf $conf fi Result is, DHCPDARGS specified in configuration

Re: [Ltsp-discuss] Thunderbird crashing my thin client

2013-09-18 Thread Alkis Georgopoulos
Στις 19/09/2013 04:55 πμ, ο/η Michael Pope έγραψε: Is there a way to run thunderbird on the client in a sandbox so that it doesn't crash my whole X session and throw the thin client off the network? I've tried running through ssh -X but that crashed my thin client also. How much RAM does

Re: [Ltsp-discuss] streaming audio/video to thin-clients

2013-07-26 Thread Alkis Georgopoulos
Στις 26/07/2013 09:22 μμ, ο/η Mike Cammilleri έγραψε: Also, iftop on the LTSP server shows ~90Mb/s throughput when I run a youtube video. That translates to roughly 12 Megabytes per second. I would think thats not a lot for the switch? The speed of the ethernet card on the LTSP server is

Re: [Ltsp-discuss] Kubuntu 13.04 LTSP-PNP black screen

2013-07-24 Thread Alkis Georgopoulos
Στις 25/07/2013 01:18 πμ, ο/η Marco Müller έγραψε: did step by step instructions from help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp except add-apt-repository --yes ppa:ts.sch.gr there are no packages for raring in the ppa? switch on a client, get an IP, tftp ok, kubuntu boot logo appears and

Re: [Ltsp-discuss] No ssh into clients due to missing client host keys

2013-07-23 Thread Alkis Georgopoulos
Στις 24/07/2013 01:03 πμ, ο/η Jakob Unterwurzacher έγραψε: This means that you won't know the client ssh host key. That's not better than a publicly-known one - either way you can't be sure the box you are connecting to is not spoofed. Not knowing the ssh server public key == trust issue

Re: [Ltsp-discuss] No ssh into clients due to missing client host keys

2013-07-21 Thread Alkis Georgopoulos
Στις 21/07/2013 05:47 μμ, ο/η Rüdiger Kupper έγραψε: The reason is that clients have no ssh host keys! They are actively removed during generation of client chroots, due to the following line in /etc/ltsp/ltsp-update-image.excludes: ... My question: How am I supposed to ssh into a running

Re: [Ltsp-discuss] No ssh into clients due to missing client host keys

2013-07-21 Thread Alkis Georgopoulos
Στις 21/07/2013 11:02 μμ, ο/η Rüdiger Kupper έγραψε: Now given this change, and accepted that it is a security measure, let me rephrase my question: - Since ssh login to running clients is a security risk, what other measure can I take to allow remote shutdown of a running client? If you

Re: [Ltsp-discuss] Restricting Internet Access

2013-07-04 Thread Alkis Georgopoulos
Στις 04/07/2013 02:46 πμ, ο/η David Burleigh έγραψε: I am in the process of setting up a computer lab with Ubuntu 12.04, LTSP, and a number of thin clients. All is well, except that I cannot figure out how to deny internet access to particular users while allowing internet access to others.

Re: [Ltsp-discuss] The login keyring did not get unlocked...

2013-05-13 Thread Alkis Georgopoulos
Στις 13/05/2013 08:04 μμ, ο/η Thomas Boehm έγραψε: When a user logs in on a client, the login keyring does not get automatically unlocked. Indeed, the LTSP display manager, LDM, doesn't have the ability to unlock the login keyring like other display managers. In LTSP 6, LDM is planned to be

Re: [Ltsp-discuss] Some questions about LTSP-pnp

2013-04-28 Thread Alkis Georgopoulos
Στις 28/04/2013 11:37 μμ, ο/η pierre bertin έγραψε: 1) On dnsmasq There is another dhcp server/bind on the network, so I've just turned it in the /etc/dnsmasq.d/ltsp-server-dnsmasq.conf This works, but is this correct? Sure. You could also remove dnsmasq and use tftpd-hpa if you like. 2)

Re: [Ltsp-discuss] wrong lts.conf used with more than one chroot

2013-04-26 Thread Alkis Georgopoulos
Στις 25/04/2013 04:30 μμ, ο/η Thomas Boehm έγραψε: ipappend 3 --- I prefer the second configuration, as it works around the bug(?) of the disappearing ipappend 3 line on every ltsp-update-image... First, to tell LTSP to include

Re: [Ltsp-discuss] wrong lts.conf used with more than one chroot

2013-04-26 Thread Alkis Georgopoulos
Στις 26/04/2013 04:53 μμ, ο/η Thomas Boehm έγραψε: $CHROOT/etc/ltsp/ltsp-client.conf didn't exist, so I created one. Then I added IPAPPEND=3 and later ipappend 3 instead, after it didn't work. When running ltsp-update-image --arch ... nothing gets added to pxelinux.cfg/default It's a shell

Re: [Ltsp-discuss] Epoptes not responsive after today's Ubuntu updates

2013-02-22 Thread Alkis Georgopoulos
Στις 22/02/2013 05:06 μμ, ο/η Todd O'Bryan έγραψε: I'm on Kubuntu 12.04 with a bunch of fat clients. As of yesterday, Epoptes worked fine, but today when I launch it, it brings my whole machine to a halt. I can't click anywhere. Eventually, the machine comes back, but I get a message that

Re: [Ltsp-discuss] Help running nbd-server from inetd

2013-02-21 Thread Alkis Georgopoulos
Does anyone know of an easy way to reproduce that issue? (e.g. boot client X, pull network plug, then nbd-server will crash and other clients won't boot anymore...) -- Everyone hates slow websites. So do we. Make your

Re: [Ltsp-discuss] Epoptes - excluding users or machines from being viewed

2012-12-03 Thread Alkis Georgopoulos
Στις 03/12/2012 01:37 μμ, ο/η Matt Johnson έγραψε: All, We're using Epoptes for the first time. I used it this morning to run an English class - really great tool. It helped it all sorts of practical and pedagogical ways. Really good work - thanks. Is there anyway to stop staff accidentally

Re: [Ltsp-discuss] On no-chroot LTSP-PNP, use a clients-only .conf for an app?

2012-11-21 Thread Alkis Georgopoulos
Στις 22/11/2012 01:49 πμ, ο/η John Hupp έγραψε: The client-server implementation of the UPS manager daemon apcupsd relies on configuring /etc/apcupsd/apcupsd.conf differently on client and server machines. Under standard LTSP5 with a chroot this was accomplished straightforwardly enough.

Re: [Ltsp-discuss] TFTP: Open Timeout error on client (or Transfer timed out error on server)

2012-11-20 Thread Alkis Georgopoulos
Στις 20/11/2012 11:21 μμ, ο/η John Hupp έγραψε: I can also run this on the server itself to get a similar failure: $ cd /tmp $ tftp 192.168.1.102 -v -m binary -c get /ltsp/i386/pxelinux.0 If that doesn't work for you, then it's a dnsmasq configuration problem, ... Does LTSP-PNP start its

Re: [Ltsp-discuss] Notifications to all users in X sessions?

2012-11-04 Thread Alkis Georgopoulos
Στις 01/11/2012 08:29 μμ, ο/η Jay Goldberg έγραψε: Another hint may be that Alkis Georgopoulos' great tool Epoptes http://www.epoptes.org/ offers the option to broadcast messages, the source mayb reveal how this is done. Now that I think about it, though, it will be using the Epoptes client

Re: [Ltsp-discuss] Ubuntu 12.04 - problem with old i386 TCs

2012-10-30 Thread Alkis Georgopoulos
Στις 31/10/2012 02:05 πμ, ο/η Ondřej Rusek έγραψε: Ubuntu stop support in our kernels for old i386 CPUs (CPU withou cx8 a nd cmov flag). Release 12.04 LTS is for this CPUs unusable. Compiling a kernel won't be enough, other programs might need cmov too. Use Debian Wheezy (which has a

Re: [Ltsp-discuss] fat client with two eth interfaces

2012-09-25 Thread Alkis Georgopoulos
Google for LTSP IPAPPEND=2. This will make your boot interface always eth0. LTSP deliberately leaves network manager to manage the second interface. One way to make that unmanaged as well, is to add a 51-eth1 file similar to chroot/opt/ltsp/i386/usr/share/ltsp/init-ltsp.d/50-interfaces

Re: [Ltsp-discuss] 12.04/LTSP: Yet another thin client consolekeymap problem ?

2012-09-24 Thread Alkis Georgopoulos
Στις 24/09/2012 04:30 μμ, ο/η Pierre Yann Baco έγραψε: Still no progress on this one. I'm unable to get a french keyboard with the thin client CONSOLE (CTRL+ALT+F1) with 12.04. I've tried all lts.conf parameters I could think of with no success. There's no problem with LDM and the

Re: [Ltsp-discuss] using pam_mount instead of sshfs in fat_client

2012-09-20 Thread Alkis Georgopoulos
Στις 20/09/2012 06:25 μμ, ο/η Alessandro Dentella έγραψε: This is not working for me, as I reported last week. Even thought I added the FSTAB_1 line (please tell me where it's documented, I only see an example in the source but no doc page), /home is not mounted and sshfs gets in the way.

Re: [Ltsp-discuss] Test of mailing list performance

2012-09-20 Thread Alkis Georgopoulos
18:43 UTC :) -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://ad.doubleclick.net/clk;258768047;13503038;j?

Re: [Ltsp-discuss] using pam_mount instead of sshfs in fat_client

2012-09-19 Thread Alkis Georgopoulos
Στις 19/09/2012 12:21 μμ, ο/η Juan Antonio Martinez έγραψε: - If not, what's the right way to handle an ldap/nfs environment with Ubuntu 12.04's ltsp fat_client ? If you export the whole /home from your NAS server, then you can put e.g. FSTAB_1=server:/home /home nfs defaults,nolock 0 0 in

Re: [Ltsp-discuss] using pam_mount instead of sshfs in fat_client

2012-09-19 Thread Alkis Georgopoulos
Στις 19/09/2012 02:50 μμ, ο/η Juan Antonio Martinez έγραψε: Not sure if this solution work for us: Yup, with the additional info you gave it probably doesn't suit you out of the box, so you'd need to patch the ltsp scripts a bit. - We use pam_mount to handle not only user home, but other

Re: [Ltsp-discuss] Fat clients, ACL and NFS: need some explanation...

2012-09-05 Thread Alkis Georgopoulos
Στις 05/09/2012 10:48 μμ, ο/η Alessandro Dentella έγραψε: I set in lts.conf:: NFS_HOME=/home NFS_HOME is deprecated. If your LTSP is recent enough, try something like this in lts.conf instead: FSTAB_1=server:/home/home nfs defaults,nolock 0 0 Put acl and whatever else

Re: [Ltsp-discuss] Incomplete shutdown on some clients (shutdown hangs/freezes)

2012-08-25 Thread Alkis Georgopoulos
Στις 25/08/2012 09:27 μμ, ο/η John Hupp έγραψε: A simple press of the power button does not turn off the machine at that point. I have to press and hold it 5 seconds or so. This is a BIOS setting. Press [del] when the machine starts, and select Instant off or Wait 5 seconds before poweroff.

Re: [Ltsp-discuss] Unreliable DHCP server: No DHCP offers received on LTSP client

2012-08-24 Thread Alkis Georgopoulos
Στις 24/08/2012 06:00 μμ, ο/η John Hupp έγραψε: A wikipedia article (https://en.wikipedia.org/wiki/Systemd) provides a tempting brief on systemd as a replacement for init. And if isc-dhcp-server fails to start during boot in some cases because of a dependency or timing sort of issue, then

Re: [Ltsp-discuss] Running/Installing via WINE in the chroot

2012-08-21 Thread Alkis Georgopoulos
Στις 22/08/2012 12:44 πμ, ο/η David Trask έγραψε: Hi, Running Edubuntu 12.04. We use NWEA TestTaker for our testing here at our school. I'd like to run it as a localapp...therefore I need to be able to install it into WINE (it's a Windows programbut it runs fine in WINE as we've run

Re: [Ltsp-discuss] possible to use an include statement in lts.conf?

2012-08-18 Thread Alkis Georgopoulos
Στις 17/08/2012 11:42 μμ, ο/η David Trask έγραψε: The idea behind this...is that in my lab here at this school...for the very young kids (kindergarten) I prefer to have all the lab machines log in automatically...and then once they are gone and the older kids come in, I want to revert to

Re: [Ltsp-discuss] Choppy scrolling in Chromium on terminal

2012-08-15 Thread Alkis Georgopoulos
One reason why scrolling might be very choppy is when the clients have very little RAM and they need to use swap all the time. See the last paragraph in http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/view/head:/client/Debian/share/ltsp/init-ltsp.d/50-rm-system-services about some

Re: [Ltsp-discuss] Verifying NBD Swap is active?

2012-08-12 Thread Alkis Georgopoulos
Στις 12/08/2012 12:24 πμ, ο/η John Hupp έγραψε: But if nbdswapd.conf format mimics lts.conf, then when the instruction says size ... for each client, it may mean that nbdswapd.conf should like more like: [Default] size=128 It's a shell-sourceable script, so no header should be put there,

Re: [Ltsp-discuss] need syntax for some xrandr options in lts.conf

2012-08-02 Thread Alkis Georgopoulos
Στις 02/08/2012 01:12 μμ, ο/η Marco Müller έγραψε: got here a terminal with dualmonitor setup on the terminal start ltsp-localapps xterm: marco@ltsp23:~$ xrandr --output HDMI1 --mode 1920x1080 --scale 1x1 --output HDMI3 --mode 1360x768 --scale 1.406x1.406 --same-as HDMI1 to set correct

Re: [Ltsp-discuss] How to blacklist a module for the LTSP clients

2012-07-30 Thread Alkis Georgopoulos
File a wishlist bug request in LTSP to introduce a BLACKLIST_MODULES=module1,module2,... lts.conf directive: https://bugs.launchpad.net/ltsp Other than that, the reason you couldn't find some specific how-to for blacklisting modules on LTSP, is that the blacklisting process itself isn't

Re: [Ltsp-discuss] SCREEN_07=shell console font size

2012-07-20 Thread Alkis Georgopoulos
Στις 20/07/2012 06:44 μμ, ο/η rob έγραψε: Hello We use SCREEN_07=shell for cli / console use. However the fonts are tiny.The console displays as a rectangle taking up just 1/4 to 1/3 of the screen depending in the hardware. Any suggestions on what to try to increase the font?

Re: [Ltsp-discuss] having issues with SCREEN_07=shell

2012-07-19 Thread Alkis Georgopoulos
On Thu, Jul 19, 2012 at 1:22 PM, Robert Fantini r...@fantinibakery.comwrote: the screen hangs forever at the screen that shows Ubuntu Does anyone have a suggestion? In /opt/ltsp/i386/etc/init/ltsp-client-core.conf there's a line that reads: /bin/plymouth quit --retain-splash ||

Re: [Ltsp-discuss] new LTSP install in Kubuntu 12.04 alot of bugs / problems

2012-07-17 Thread Alkis Georgopoulos
Στις 18/07/2012 01:06 πμ, ο/η Marco Müller έγραψε: Now I chanced my network a bit and installed ltsp-server and dnsmasq and I didnt remove the network-manager. Now Im in trouble. I set some parameters in /var/lib/tftpboot/ltsp/amd64/lts.conf: LDM_DIRECTX = true ... If you're using dnsmasq

Re: [Ltsp-discuss] LTSP server questions

2012-06-30 Thread Alkis Georgopoulos
Στις 29/06/2012 09:57 μμ, ο/η Derek Schuurman έγραψε: Hi, We have been using LTSP for a school and library computer lab of roughly 35 clients. For the most part, LTSP has worked well, but we have had some issues with lag when many students are using the lab. This is particularly the case

Re: [Ltsp-discuss] ubuntu 12.04 ltsp-pnp nbd problem

2012-06-14 Thread Alkis Georgopoulos
Στις 13/06/2012 11:27 πμ, ο/η Peter D Knight έγραψε: client boots into initramfs dmesg shows unable to read squash super block added this to /etc/inetd.conf 2000stream tcpnowait nobody /usr/sbin/tcpd /usr/sbin/nbdrootd /opt/ltsp/images/i386.img Remove it, in 12.04 nbd-server is

Re: [Ltsp-discuss] ubuntu 12.04 ltsp-pnp nbd problem

2012-06-13 Thread Alkis Georgopoulos
Στις 13/06/2012 11:52 πμ, ο/η Jan Middelkoop έγραψε: Also interesting that your /etc/nbd-server/conf.d/ltsp_i386.conf is different than mine. For me the section is called [ltsp_i386] and for you it's [/opt/ltsp/i386]. I wonder why that is. I added that part in upstream LTSP after 12.04 was

Re: [Ltsp-discuss] xfreerdp and Ubuntu 12.04

2012-06-12 Thread Alkis Georgopoulos
Στις 11/06/2012 09:05 μμ, ο/η David Burgess έγραψε: On Fri, Jun 8, 2012 at 5:39 PM, Alkis Georgopoulosalk...@gmail.com wrote: It appears that xfreerdp started segfaulting if $HOME is unset. It used to work some months ago when I last tested it. Try this: sudo editor

Re: [Ltsp-discuss] xfreerdp and Ubuntu 12.04

2012-06-09 Thread Alkis Georgopoulos
Στις 09/06/2012 02:39 πμ, ο/η Alkis Georgopoulos έγραψε: It appears that xfreerdp started segfaulting if $HOME is unset. It used to work some months ago when I last tested it. Try this: sudo editor /opt/ltsp/i386-original/usr/share/ltsp/xinitrc ...I meant i386, not i386-original

Re: [Ltsp-discuss] xfreerdp and Ubuntu 12.04

2012-06-08 Thread Alkis Georgopoulos
Could you try with SCREEN_07=xfreerdp -f --ignore-certificate --no-nla -d gprc -u dburgess 172.21.34.1 and post the output of hexdump -C /proc/pid of xfreerdp/cmdline hexdump -C /proc/pid of xinit/cmdline hexdump -C /proc/pid of xinitrc/cmdline both for the normal lts.conf method, and for the

Re: [Ltsp-discuss] xfreerdp and Ubuntu 12.04

2012-06-08 Thread Alkis Georgopoulos
It appears that xfreerdp started segfaulting if $HOME is unset. It used to work some months ago when I last tested it. Try this: sudo editor /opt/ltsp/i386-original/usr/share/ltsp/xinitrc and after this line: . /usr/share/ltsp/ltsp-client-functions put this: export HOME=${HOME:-/root}

Re: [Ltsp-discuss] ltsp-pnp i386 xfreerdp

2012-06-07 Thread Alkis Georgopoulos
Start with SCREEN_07=xterm Run xfreerdp from there, with any command line you want. Then put that command line in SCREEN_07=xfreerdp params Don't include any RDP* variables at all, not even the server. Is it working this way?

Re: [Ltsp-discuss] Slightly OT: how to let someone take over your terminal?

2012-06-07 Thread Alkis Georgopoulos
Graphics mode sharing = You: 1) Port forward 5500 on your router 2) apt-get install xvnc4viewer 3) xvnc4viewer -listen Student: 1) apt-get install x11vnc 2) x11vnc -connect your-ip Console sharing === You: 1) Port forward 5500 on your router 2) apt-get install

Re: [Ltsp-discuss] ltsp-pnp i386 xfreerdp

2012-06-07 Thread Alkis Georgopoulos
Στις 08/06/2012 12:58 πμ, ο/η John Gallias έγραψε: SCREEN_07=xterm LTSP boots, fully launches xterm: no input. Cannot provide any input to xterm. Can still access a console on CRTL + ALT + F1. Move your mouse over the xterm window. If your still cannot provide input, your problem isn't

Re: [Ltsp-discuss] power button press no longer shuts down client

2012-06-04 Thread Alkis Georgopoulos
Στις 05/06/2012 12:41 πμ, ο/η David Burgess έγραψε: Greetings, For the past several releases of Ubuntu I have install acpid in the chroot for the sole reason that this permits the thin client to power off when the power button is pressed. I'm now testing Ubuntu 12.04, and although acpid is

Re: [Ltsp-discuss] Simpler method for fat/thin client setups

2012-05-29 Thread Alkis Georgopoulos
The ltsp-pnp method of maintaining LTSP installations without a chroot is now upstream in LTSP. It's no longer a separate package; all that's needed is to run ltsp-update-image --cleanup / and that will generate an /opt/ltsp/images/i386.img image out of the server disk contents, while

Re: [Ltsp-discuss] Does LTSP on Ubuntu 12.04 default to fat clients?

2012-05-16 Thread Alkis Georgopoulos
When the clients boot, this script: /usr/share/ltsp/ltsp_config.d/20fatclients runs this command: find /usr/share/xsessions/ -name '*.desktop' \ ! -name Xsession.desktop If any xsession files are defined there, i.e. if gnome or KDE or other DE is installed in the chroot, the client

Re: [Ltsp-discuss] ltsp in debian

2012-05-15 Thread Alkis Georgopoulos
Στις 16/05/2012 05:27 πμ, ο/η Quiliro Ordóñez έγραψε: So LTSP does not work on Pentium III as a client? This would make LTSP non-viable for me. I thought only X worked on the clients. Is X that heavy? LTSP works fine on Pentium II with 128 MB RAM. But some apps like firefox or openoffice make

Re: [Ltsp-discuss] ltsp-remoteapps with ltsp-pnp

2012-04-26 Thread Alkis Georgopoulos
Στις 26/04/2012 11:33 πμ, ο/η Gymhaan Rechenzentrum έγραψε: Do I have to install/configure/run/ ltsp-remoteappsd on the server? You need REMOTE_APPS=True in lts.conf. And again: ssh does not work correctly, I can connect to the server but get a wrong password answer. Even though you don't

Re: [Ltsp-discuss] ssh on ltsp-pnp

2012-04-26 Thread Alkis Georgopoulos
Στις 26/04/2012 03:17 μμ, ο/η Gymhaan Rechenzentrum έγραψε: debug1: /etc/ssh/ssh_config line 19: Applying options for * debug1: Connecting to ts [127.0.1.1] port 22. debug1: Connection established. You're connecting to 127.0.1.1, i.e. to your fat client itself, not to the server. Please

Re: [Ltsp-discuss] ltsp-pnp

2012-04-25 Thread Alkis Georgopoulos
Στις 25/04/2012 11:19 πμ, ο/η Gymhaan Rechenzentrum έγραψε: is there a flag I can set to force clients to be thin? Hi Roland, you probably missed my previous reply in the list where I already answered your question: http://www.mail-archive.com/ltsp-discuss@lists.sourceforge.net/msg40404.html

Re: [Ltsp-discuss] ltsp-pnp at our school

2012-04-24 Thread Alkis Georgopoulos
Στις 24/04/2012 02:05 μμ, ο/η Gymhaan Rechenzentrum έγραψε: but now I found your ltsp-pnp for 12.04 which is absolutely great !!! Hi Roland, *** To all: please don't test ltsp-pnp anymore *** As mentioned in previous mails, it's being merged upstream, and will be ready in a couple of months.

Re: [Ltsp-discuss] Simpler method for fat/thin client setups

2012-04-19 Thread Alkis Georgopoulos
Στις 19/04/2012 10:33 πμ, ο/η Asmo Koskinen έγραψε: Never mind Asus Eee 900 keyboard problem. If the problem is that the numlock is on, try uninstalling the numlockx package. Otherwise we'd need more info to see what's wrong with it, `setxkbmap -print` etc etc. What is your further testing

Re: [Ltsp-discuss] epoptes fails to broadcast on a client who has logged out and logged in again

2012-04-10 Thread Alkis Georgopoulos
Στις 10/04/2012 02:43 μμ, ο/η Suraj Kumar έγραψε: I not only updated both server (epoptes) and chroot (epoptes-client) but also ran epoptes-client -c on the client thinking that it must be done. Would that have broken this? You also need to update epoptes-client on the server. If you're

Re: [Ltsp-discuss] Simpler method for fat/thin client setups

2012-04-09 Thread Alkis Georgopoulos
A first release of ltsp-pnp is available, for more details see: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp Warning, don't use it on production machines, it's beta-quality yet. In a test I made, I installed Ubuntu 12.04, then ltsp-pnp, and ran ltsp-publish-image. In 10 minutes the

Re: [Ltsp-discuss] epoptes fails to broadcast on a client who has logged out and logged in again

2012-04-07 Thread Alkis Georgopoulos
Στις 07/04/2012 12:19 μμ, ο/η Suraj Kumar έγραψε: Hi, Epoptes fails to broadcast to a client who has logged out and logged in Hi Suraj, you're probably talking about a bug that was fixed in http://bazaar.launchpad.net/~epoptes/epoptes/trunk/revision/247 and released in Epoptes 0.5.0. Please

Re: [Ltsp-discuss] Simpler method for fat/thin client setups

2012-04-06 Thread Alkis Georgopoulos
Στις 06/04/2012 02:31 μμ, ο/η Jay Goldberg έγραψε: I'm sure that you are aware that LVM will do snapshots as well? Maybe this can be used to avoid the reboot? For starters, we'll try running ltsp-publish-image while the server is running. I believe that in most cases that will run fine, and

Re: [Ltsp-discuss] Simpler method for fat/thin client setups

2012-04-02 Thread Alkis Georgopoulos
Στις 02/04/2012 09:55 πμ, ο/η David Burgess έγραψε: This is the first I've heard of this, so please excuse my ignorance. Is this going to be the single method going forward or will do you plan to preserve the old way for some foreseeable future? This package will only be available in a PPA.

[Ltsp-discuss] Simpler method for fat/thin client setups

2012-04-01 Thread Alkis Georgopoulos
Now that the ltsp-server and ltsp-client packages are allowed to be installed simultaneously (LP: #950945), I thought of an extremely simple method to install and maintain LTSP fat/thin computer labs that should be appealing to certain setups like small school labs. We'll probably start using

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-28 Thread Alkis Georgopoulos
Στις 26/03/2012 10:05 πμ, ο/η Alkis Georgopoulos έγραψε: By default, X_COLOR_DEPTH is 32 for thin clients, which means that a 320x240 youtube video needs 73.728.000 bps bandwidth (30 fps, 32 bpp). Setting X_COLOR_DEPTH=16 for thin clients makes that video need exactly half the bandwidth, i.e

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-27 Thread Alkis Georgopoulos
Στις 27/03/2012 09:34 πμ, ο/η Ben Green έγραψε: Almost definitely, unless it's a really old LCD one. You can see the difference even from the default LDM login screen. At 16-bit, the blue background is noticeably barred with distinct colour bands. $ file

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-27 Thread Alkis Georgopoulos
Στις 27/03/2012 10:58 πμ, ο/η Ben Green έγραψε: That's simply not true Alkis, with 16-bit colour I see bands, with 32-bit no bands. I can provide pictures if you like. Its not a complaint about the picture quality, I'm just saying the difference is very visible. Please see the next paragraph

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-27 Thread Alkis Georgopoulos
A person contacted me off-list (as he had some problems posting to the list), and reported that he tried X_COLOR_DEPTH=16, and it made XVideo not working for him with the following chipset: Intel Corporation 82865G 8086:2572 (rev 02) Kernel driver in use: i915 Kernel modules: i915 That

[Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-26 Thread Alkis Georgopoulos
By default, X_COLOR_DEPTH is 32 for thin clients, which means that a 320x240 youtube video needs 73.728.000 bps bandwidth (30 fps, 32 bpp). Setting X_COLOR_DEPTH=16 for thin clients makes that video need exactly half the bandwidth, i.e. 36.864.000 bps. Of course that doesn't only affect

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-26 Thread Alkis Georgopoulos
Στις 26/03/2012 12:04 μμ, ο/η Ben Green έγραψε: If not, then I'll implement an X_COLOR_DEPTH=auto instead, which would give the above behavior (16 on thins, 32 on fats/localapps) only when requested from lts.conf. To be more positive in my response, the above would be an excellent

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-26 Thread Alkis Georgopoulos
Στις 26/03/2012 12:54 μμ, ο/η Ben Green έγραψε: I don't think this setting -color depth- should be conditional, if there's going to be a default, it should be the same for all, otherwise it gets confusing. I strongly disagree; the default should be to try hard to work in all cases. That's

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-26 Thread Alkis Georgopoulos
Στις 26/03/2012 02:07 μμ, ο/η Ben Green έγραψε: The situations where having =auto as the default would cause problems are: 1. Where clients don't support 16-bit colour and are not using local apps. Have you ever actually seen clients that don't support 16 bpp modes, or is that theoretical?

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-26 Thread Alkis Georgopoulos
Στις 26/03/2012 01:50 μμ, ο/η Oliver Grawert έγραψε: we had it as default for years, you should dig on launchpad iirc there were bugs that made us change to 32 ... Oli the hardcoded X_COLOR_DEPTH=16 was removed in commit http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/revision/979

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-26 Thread Alkis Georgopoulos
After some IRC discussion, here's what will be implemented: By default (X_COLOR_DEPTH= or X_COLOR_DEPTH=smart), thin clients get 16 bpp, and fat clients get the xorg default depth (usually 32). No special exceptions for thins with localapps. X_COLOR_DEPTH=auto reverts to the old behavior, i.e.

Re: [Ltsp-discuss] X_COLOR_DEPTH=16 by default for thin clients

2012-03-26 Thread Alkis Georgopoulos
Στις 26/03/2012 08:25 μμ, ο/η Alkis Georgopoulos έγραψε: After some IRC discussion, here's what will be implemented: ... Sorry, some code paths depended on X_COLOR_DEPTH being numerical if unset, so the following got committed instead: http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk

Re: [Ltsp-discuss] Best way to connect to server

2012-03-14 Thread Alkis Georgopoulos
On 14/03/2012 04:51 μμ, Pierre AUSSAGUEL wrote: ...The NIC is a PCMCIA One. What is the best way to connect to the server ? You only need to transfer the LTSP kernel and initrd to your local disk. Copy the kernel from /srv/tftp/ltsp/i386/vmlinuz etc to a new /ltsp/ dir on your client. Then

Re: [Ltsp-discuss] high disk i/o and server load during user logon (sftp-server)

2012-02-14 Thread Alkis Georgopoulos
Logging in in LTSP fat clients using sshfs (sftp-server) takes about twice longer than if NFS_HOME=/home is set in lts.conf. Maybe you'd want to consider switching to NFS for the user homes. -- Keep Your Developer

Re: [Ltsp-discuss] high disk i/o and server load during user logon (sftp-server)

2012-02-14 Thread Alkis Georgopoulos
Στις 15/02/2012 02:24 πμ, ο/η john έγραψε: I assume the main difference between sftp-server and the NFS_HOME=/home is that the NFS connection won't be encrypted? I think NFS4 does support encryption, if you want it. NFS_HOME_OPTIONS allow you to specify mounting options. Personally I'm using

Re: [Ltsp-discuss] both italc and epoptes broadcast stopped working after installing djbdns

2012-01-30 Thread Alkis Georgopoulos
Στις 30-01-2012, ημέρα Δευ, και ώρα 12:57 +0530, ο/η Suraj Kumar έγραψε: btw, openssl should be listed as a dependency of epoptes-client because in a stock install I get the following output: $ sudo chroot /opt/ltsp/i386 epoptes-client -c /usr/sbin/epoptes-client: line 132: openssl: command

Re: [Ltsp-discuss] Debian and nVidia Vanta

2012-01-30 Thread Alkis Georgopoulos
Στις 30-01-2012, ημέρα Δευ, και ώρα 12:52 +0200, ο/η asmo.koski...@arkki.info έγραψε: Alkis - I googled that you have problems with nVidia Vanta, too, but you fixed them? I translated this page with google: http://alkisg.mysch.gr/steki/index.php?topic=3808.0 So I need 'nouveau' and

Re: [Ltsp-discuss] both italc and epoptes broadcast stopped working after installing djbdns

2012-01-29 Thread Alkis Georgopoulos
Στις 30/01/2012 08:47 πμ, ο/η Suraj Kumar έγραψε: md5sum /opt/ltsp/i386/etc/epoptes/server.crt md5sum: /opt/ltsp/i386/etc/epoptes/server.crt: No such file or directory In the http://www.epoptes.org/installation page, you missed the part about copying the server certificate to your chroot.

Re: [Ltsp-discuss] both italc and epoptes broadcast stopped working after installing djbdns

2012-01-28 Thread Alkis Georgopoulos
Στις 28-01-2012, ημέρα Σαβ, και ώρα 16:07 +0530, ο/η Suraj Kumar έγραψε: I installed djbdns. After installing the broadcast screen feature of both iTalc as well as epoptes stopped working. ... My suspicion is that avahi has been broken. Epoptes doesn't use avahi. What's the output of these

Re: [Ltsp-discuss] dist-upgrade of chroot fails on linux-image-3.0.0-15-generic

2012-01-27 Thread Alkis Georgopoulos
Στις 26-01-2012, ημέρα Πεμ, και ώρα 14:51 +, ο/η Todd O'Bryan έγραψε: I'm trying to upgrade my chroot and it won't update the kernel. Here's the output: ... /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?). ... Errors were encountered while processing:

Re: [Ltsp-discuss] Epoptes in windowed broadcast mode?

2012-01-25 Thread Alkis Georgopoulos
Στις 26-01-2012, ημέρα Πεμ, και ώρα 08:20 +0530, ο/η Suraj Kumar έγραψε: Can epoptes do windowed broadcast of session? Has anyone managed to do this? Hi Suraj, hehe, nice coincidence! Someone requested that yesterday, and it was implemented in

Re: [Ltsp-discuss] ltsp client configuration

2012-01-14 Thread Alkis Georgopoulos
Στις 14-01-2012, ημέρα Σαβ, και ώρα 15:03 +0100, ο/η stefania zanette έγραψε: In my opinion the problem is not video card or driver configuration because PIVs login without any problem to the first user called mario01 and to the administrator called mariofiore but they don't login with other

Re: [Ltsp-discuss] avoiding bloating the image for fat clients

2012-01-02 Thread Alkis Georgopoulos
Στις 02-01-2012, ημέρα Δευ, και ώρα 10:52 -0500, ο/η Todd O'Bryan έγραψε: In other words, can I just start with the bare minimum image and then install all the other programs I want somewhere and mount that from the server? Why? What are you trying to gain? The fat client image isn't loaded in

Re: [Ltsp-discuss] avoiding bloating the image for fat clients

2012-01-02 Thread Alkis Georgopoulos
Στις 02-01-2012, ημέρα Δευ, και ώρα 11:29 -0500, ο/η Todd O'Bryan έγραψε: You'd also be able to install a new program or make a tweak without having to rebuild the image and restart the clients, wouldn't you? Not to my knowledge. Run `dpkg -L firefox` and see where the firefox package puts its

Re: [Ltsp-discuss] LTSP FAT Client thin client problem

2011-12-10 Thread Alkis Georgopoulos
Στις 10-12-2011, ημέρα Σαβ, και ώρα 22:34 +0100, ο/η luca predari έγραψε: then asked if there was a way to invoke the heekscad from fatclient to the server What you're looking for is called remote apps and it's the opposite of local apps. You basically set REMOTE_APPS=True in lts.conf,

Re: [Ltsp-discuss] Nvidia ION2 fat clients mixed with other hardware

2011-11-26 Thread Alkis Georgopoulos
Στις 25-11-2011, ημέρα Παρ, και ώρα 20:34 -0500, ο/η Jay Goldberg έγραψε: I've found that as fat clients these aren't quite as snappy as I'd like them to be. With regards to video performance, fat clients are *exactly* as fast as local, standalone installations. You can have 3D acceleration,

Re: [Ltsp-discuss] Problem with Epotes in LTSP-Environment

2011-11-21 Thread Alkis Georgopoulos
Στις 21-11-2011, ημέρα Δευ, και ώρα 17:10 +0100, ο/η Hans-Peter Lackner έγραψε: Hi! Yes! x11vnc is in the chroot. = /usr/bin/x11vnc In the console of my ltsp-root after starting epoptes and trying to control a session: -- output -- VNC Viewer Free Edition 4.1.1 for X - built Apr 9

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