[X2Go-User] x2gothinclient w/o pxe

[Milan Knížek]

Hello Jonathan,

it did get through, it is just that this mailing list does not send the messages back to the poster. You can have a look at the archives on the web to check the status.

regards,
Milan

Jonathan Brown <jbssfl at gmail.com> napsal(a):

>Hi all, (sending this again in plain text; I think it did not make it
>through the first time because I had used html formatting)
>
>A cursory reading of the online lit I found relating to x2gothinclient
>seems to require that the stations all pxeboot...
>
>I don't want thinclients that pxeboot.. what I need is a minimal OS
>that is setup to autologin to X and then pyhoca-cli to the
>x2go-server... can the x2gothinclient packages do this say on a
>minimal debian install for the thinclient.. ?
>
>Since I did not see this capability, I already built from scratch a
>minimal Debian 6 that does an autologin into X using gdm/matchbox wm,
>and then created a script that force loops a username/pw graphical
>dialog using yad (zenity fork)... suffice it to say this works well...
>but I'm thinking if x2gothinclient already had the capability to do
>this then I did it all for nought.. except it was definitely a good
>exercise...
>
>The steps and scripts that I did do make this pxe-less x2g0
>thin-client/kiosk follow ... I'm sure this can be quite improved...
>actually the main thing I'd like to improve is to have the matchbox
>wm/X on the local thin client be aware when there is no activity in
>the x2go session, and if no activity, then kill or suspend the
>pyhoca-cli session, thus going back to the yad login prompt, but I
>haven't found a way to do this (normal logout of the x2go session of
>course works fine and brings you back to the yad login prompt)... I
>think the problem is that matchbox wm/X always thinks there is
>activity when the x2go session is logged in/active, even when there is
>no activity in the x2go session itself...
>
>Any thoughts on any of the above would be appreciated!
>
>Steps/scripts etc for x2g0 thin-client/kiosk:
>
>I sort of used the following as a guide and modified some things:
>http://www.alandmoore.com/blog/2011/11/05/creating-a-kiosk-with-linux-and-x11-2011-edition/
>
>and went from there...
>
>After initial Debian squeeze install with only ssh server:
>
>Add x2go sources and install pyhoca-cli
>apt-get install xorg
>apt-get install gdm --no-install-recommends
>apt-get install xautolock feh
>wget
>http://archive.ualinux.com/ubuntu/main/lucid/yad_0.15.0-1~webupd8~lucid_i386.deb
>dpkg -i yad_0.15.0-1~webupd8~lucid_i386.deb
>(the above is an ubuntu lucid yad deb package but it worked so I
>didn't ask any further questions :)  ... there might be a better yad
>package for squeeze but I could not find one)
>adduser kiosk (my .xprofile etc examples are for user sagotech)
>cp -r /home/kiosk /opt/;
>cd /opt/kiosk/;
>chmod -R a+r .;
>touch .xprofile
>chmod a+x .xprofile
>
>To enable autologin of user into the minimal X/matchbox, add the
>following to /etc/gdm/gdm.conf:
>
>[daemon]
>AutomaticLoginEnable=true
>AutomaticLogin=USERNAME
>
>my .xprofile:
>
>root at lxtrms-thinclient-colodesk:~# cat /home/sagotech/.xprofile
>xset s off
>xset -dpms
>matchbox-window-manager &
>eval `cat /home/sagotech/.fehbg` &
>xautolock -secure -time 10 -locker /usr/local/bin/suspend_pyhoca-cli.sh
>&
>while true; do
>    rsync -qr --delete --exclude='.Xauthority' /opt/sagotech/ $HOME/
>    exec /home/sagotech/start_pyhoca.sh
>done
>
>suffice it to say xautolock does not detect non-activity in an x2go
>session so the suspend_pyhoca-cli.sh never ran:
>
>root at lxtrms-thinclient-colodesk:~# cat
>/usr/local/bin/suspend_pyhoca-cli.sh
>#!/bin/bash
>pyhoca-cli -S
>
>(for background behind the yad login prompt):
>root at lxtrms-thinclient-colodesk:~# cat /home/sagotech/.fehbg
>feh --bg-scale '/usr/share/wallpaper/custom-bk-2.jpg'
>
>The script that brings up the yad login prompt loop called from
>.xprofile follows... so we have this loop inside the loop of the
>.xprofile script... not sure if this necessary or a good thing etc.
>
>root at lxtrms-thinclient-colodesk:~# cat /home/sagotech/start_pyhoca.sh
>#!/bin/bash
>while true; do
>frmdata=$(yad --center --undecorated
>--image=/usr/share/wallpaper/sago-header-mod.jpg --image-on-top
>--button="gtk-ok:0" --title "Login to Sago Linux Terminal Server"
>--form --field="AD username" --field="Password:H")
>frmusername=$(echo $frmdata | awk 'BEGIN {FS="|" } { print $1 }')
>frmpassword=$(echo $frmdata | awk 'BEGIN {FS="|" } { print $2 }')
>pyhoca-cli --server X.X.X.X -u $frmusername --password $frmpassword -c
>startkde --sound none --kbd-layout us --kbd-type pc105/us -g
>fullscreen --add-to-known-hosts
>done
>
>The above basically gives you a login prompt and forces you to enter a
>login AND password and the password is hidden when you type it it puts
>a nice header image at the top of the prompt.. it only gives an OK
>button (no cancel)...  then passes off the username/pw to pyhoca-cli
>
>So yeah I would like to improve this so that inactive x2go sessions
>get suspended and go back to the yad login prompt... perhaps there is
>a pyhoca-cli switch that does this that I'm not aware of... But even
>without that feature this works real nice as a non-pxe x2go
>thin-client station.
>
>Anyway this is all probably very messy and amateurish, but I am not
>exactly a programmer or very proficient bash scripter so.. :)  Also I
>might be missing a few steps and if any of the above does not make
>sense please advise and I'll try to see if I missed something in the
>steps given above...
>
>Any thoughts on any of the above would be appreciated!
>
>--
>"It is only when each individual has achieved inner peace that we will
>see lasting outer peace in the world"
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