x2go-dev April 2011

x2go-dev@lists.x2go.org

25 participants
52 discussions

Tagging in X2go Git
by Mike Gabriel 19 Apr '11

19 Apr '11

Hi esp. Reinhard, I have just discussed with Morty a good strategy to always have a ,,latest'' tag in X2go Git projects that refers to the newest tag. The idea is to provide nightly-builds as well as ,,stable'' builds (which refers to the latest tag in Git). Would it be sensible to add some script part to one of our update scripts on the Git server that maintains a ,,latest'' tag: if a new tag is pushed remove tag ,,latest'' and set ,,latest'' tag after push again? How could this or some smimilar mechanism be achieved? Thanks+Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, dorfstr. 27, 24245 barmissen fon: +49 (4302) 281418, fax: +49 (4302) 281419 GnuPG Key ID 0xB588399B mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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pending x2goprint patch
by Mike Gabriel 18 Apr '11

18 Apr '11

Hi devs, I would like to apply the below patch to x2goserver/master... if I do not here a veto within the next two days, I will push the patch to code.x2go.org... http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=16cdb70f5bbd129… Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, dorfstr. 27, 24245 barmissen fon: +49 (4302) 281418, fax: +49 (4302) 281419 GnuPG Key ID 0xB588399B mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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repeated wrapper messages in auth.log
by Dick Kniep 15 Apr '11

15 Apr '11

Hi List, In my auth.log every 5 seconds the following message is written: root : TTY=unknown ; PWD=/ ; USER=x2gouser ; COMMAND=/usr/bin/x2gosqlitewrapper listsessionsroot xxxxxxxxxxxx where xxxxxx is the servername. Can I get rid of this message? I remember seeing a discussion about this a few months ago, but can't find it anymore. Met vriendelijke groet, Dick Kniep Lindix BV tel. 036-5215580 mob. 06-50991858

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Multiserver CUPS patches
by John A. Sullivan III 15 Apr '11

15 Apr '11

Here are the patches to enable a single cups-x2go CUPS server to service multiple X2Go Servers. The documentation was posted previously. Thanks - John

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Shared database patches
by John A. Sullivan III 15 Apr '11

15 Apr '11

Here are the patches for implementing a secure shared database - John

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Re: [X2go-dev] [X2go-user] 10x printing speed increase for x2go printing
by --[ UxBoD ]-- 12 Apr '11

12 Apr '11

----- Original Message ----- > Hi Phil, > > On Mo 11 Apr 2011 13:25:55 CEST "--[ UxBoD ]--" wrote: > > > ----- Original Message ----- > >> Hi Phil, > >> > >> On Mo 11 Apr 2011 12:07:57 CEST "--[ UxBoD ]--" wrote: > >> > >> > Yep that is my interpretation of the process as-well, Mike. One > >> > thing I have noticed is that if you print the resultant PDF the > >> > file > >> > is left in the spool directory without being deleted; yet if you > >> > cancel from the x2go-print dialogue box the file is removed. > >> > >> is that x2goclient or PyHoca-GUI/Python X2go? With PyHoca-GUI this > >> should not happen, otherwise it is a bug I have missed so far... > >> > >> Greets, > >> Mike > >> > >> > >> > > > > x2goclient 3.01.18. > > we have an unofficial bugtracker that we (the devs and the community) > still have to discuss about. However, maybe you place such stuff in > there already. In case of dropping the software again (Horde) we will > surely migrate the already placed-in tickets. > > The chance of forgetting such tiny issues without accounting is > otherwise potentially given... > > Greets, > Mike > Mike, I think I may have worked out why some print jobs are failing and it would appear to be an x2go issue and not SSHFS/WAN. What is happening is that the Perl script, x2goprint, moves the PDF from /var/spool/x2goprint into the users mounted spool directory and then creates the .ready file. The x2goclient looks for any new files in that directory and if it sees the .ready file it pops up the x2go print dialogue window. Now, looking at the code it appears to remove the file as-well; in 3.01-18 the pertinent code is in onmainwindow_part4.cpp line 200. I am thinking this is a timing issue with respect to the .ready file being written and the slot which monitors the local spool directory firing off an event. Just not sure how to solve it yet :( -- Thanks, Phil

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X11 connection rejected because of wrong authentication
by Mihail Vukadinoff 12 Apr '11

12 Apr '11

Hello, Since I've updated to Debian Wheezy x2go stopped working with no error in auth.log. But X gives: "X11 connection rejected because of wrong authentication" X apps open with manual ssh connection. On one update of xorg, X2go started working but only for the first session. I tried removing the .Xauthority file and it gets recreated, but still the same. Is there a way to check what magic cockie is it looking for? rat@rat:~$ xauth list hostname/unix:51 MIT-MAGIC-COOKIE-1 494593eXXXX6a44b44487fcd91fbe6fa hostname.net:51 MIT-MAGIC-COOKIE-1 494593eXXXX6a44b44487fcd91fbe6fa Any help is appreciated. Thanks in advance.

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[PATCH] x2gosession will now suspend the current session if no parameter is given
by Moritz.Struebe＠informatik.uni-erlangen.de 11 Apr '11

11 Apr '11

Hi there, this patch will simplify suspending a session from the console, by using the currently active session, if none is given. If there are no objections I'll push it to the repo. Cheers Morty

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x2gothinclinet / tmpfs
by Moritz Struebe 11 Apr '11

11 Apr '11

Hi there as there has been some talk about tmpfs on the list, I decided to start the tmpfs branch on the official server. You can find it here: http://code.x2go.org/gitweb?p=x2gothinclient.git;a=shortlog;h=refs/heads/tm… The interesting folder is the x2gothinclientmanagement. There is a short README explaining what the different scripts do. Please remember, that this is work in progress and not very well tested. None the less it should speedup your thin-client creation. Patches or comments are very welcome. Cheers Morty P.s: Mike: Could you delete the accidental tempfs (with e) - branch. -- Dipl.-Ing. Moritz 'Morty' Struebe (Wissenschaftlicher Mitarbeiter) Lehrstuhl für Informatik 4 (Verteilte Systeme und Betriebssysteme) Friedrich-Alexander-Universität Erlangen-Nürnberg Martensstr. 1 91058 Erlangen Tel : +49 9131 85-25419 Fax : +49 9131 85-28732 eMail : struebe(a)informatik.uni-erlangen.de WWW : http://www4.informatik.uni-erlangen.de/~morty

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Re: [X2go-dev] [X2go-user] 10x printing speed increase for x2go printing
by Mike Gabriel 11 Apr '11

11 Apr '11

Hi Phil, On Mo 11 Apr 2011 10:26:16 CEST "--[ UxBoD ]--" wrote: > Agreed Mike; though I have the feeling it may be less worth than the > effort involved unless somebody knows the internal working of Perl > and SSHFS ? A sleep could be added though I have tried to avoid > slowing down the process to much. Since adding that loop code we > have not experiencing any further failures; though time will tell. I already had a look at the printing code in x2go some time ago. There basically are three components: o cups-x2go o x2goprint o x2goclient If I recall it corrently the interaction between cups-x2go and x2goprint was not optimal then. I guess it was cups-x2go that left over some print job files whenever a print job was sent to the client, but I am not sure anymore. A person that was not in the x2goprint group also created orphaned print jobs in /, because they were not picked up properly by x2goprint. My observations all were a little odd. Whenever I have time, I will take a look at the mechanism and come up with some patches. The x2goprint <-> x2goclient communication is rather simple: x2goprint drops two job files in the spool dir: <job>.pdf and <job>.pdf.ready. The X2go client has to run a thread that watches this spool dir (it's in the x2go session cache folder under ~/.x2go/C-.../spooll). On each incoming print job it has to wake up and take over the task of processing the print job. My Python implementation of this printqueue can be found here (if you prefer Python to Perl for a lecture...): http://code.x2go.org/gitweb?p=python-x2go.git;a=blob;f=x2go/printqueue.py;h… Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, dorfstr. 27, 24245 barmissen fon: +49 (4302) 281418, fax: +49 (4302) 281419 GnuPG Key ID 0xB588399B mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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x2go-dev April 2011