x2go-user

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2315 discussions

X2Go - Ubuntu 13.10 - LXDE Session Logout
by gary 05 Mar '14

05 Mar '14

Hi, Firstly, well done to the team behind X2GO, excellent work, and hoping to get involved once we are up to speed... We have noticed a number of problems with using LXDE on Ubuntu recently. Initially, under a 12.04 (.3?) build ( 3.5 Kernel ), we had LXDE working fine/well, with the bindings etc correct. logout was fine. 12.04 got upgraded to 12.04.4 and the kernel moved to 3.8. LXDE still works, but the logout button/process doesnt work anymore. the session simply seems to reset, and stay active. We have also tried a vanilla 13.10 server build ( 3.11 kernel ) , with x2goserver, Same outcome. The only way to close the LXDE session, in both cases, is to exit the client.. When you log back in as the user, the original session is 'Suspended'. Build Sequence ( in both cases ) # apt-get install xfce4 xfce4-goodies lxde lxpanel lxsession pcmanfm openbox lxde-common firefox zenity # add-apt-repository ppa:x2go/stable # apt-get update # apt-get install software-properties-common python-software-properties x2goserver x2goserver-xsession x2golxdebindings ( Notice no ubuntu-desktop load, trying to keep the install clean and secure ) . Ive googled around, and have seen - Problems with startlbuntu and lxde-session between versions - systemd causing pam wrap and config to screw up .. Has anybody else noticed this.. found a work around ? BTW : 12.04 LTS Updated to 12.04.4.. became 13.04, and now ppa: x2go/stable doesnt have x2goserver packages available. many Thanks for all support Gary

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Ubuntu 13.04 builds from the PPA
by Michael DePaulo 03 Mar '14

03 Mar '14

On Mon, Mar 3, 2014 at 2:59 AM, gary <gary(a)idistech.demon.co.uk> wrote: > BTW : 12.04 LTS Updated to 12.04.4.. became 13.04, and now ppa: x2go/stable > doesnt have x2goserver packages available. Hi Gary, I'm sorry to hear that you are running into both these issues. However, the lack of 13.04 builds on the stable PPA is a separate issue so I am changing the subject of this email. I can confirm that 13.04 (raring) builds are not longer available in the stable PPA: https://launchpad.net/~x2go/+archive/stable or in the nightly PPA: https://launchpad.net/~x2go/+archive/ppa However, they are still available in the Baikal LTS PPA: https://launchpad.net/~x2go/+archive/baikal Could you please try the Baikal LTS PPA? Also, MIke#1, is this something you purposely configured on launchpad? -Mike#2

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Fwd: x2gostartagent command argument
by Brian Lim 03 Mar '14

03 Mar '14

My need is to operate a headless ubuntu server. On the man page for x2gostartagent is thefollowing information for the "command". *The command given by the <command> argument is only used to create the session ID* Unsure what to provide, given this information, I am providing "pwd", as an arbitrary and harmless Linux command. What would you advise, please?

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https broker-url and Windows x2go client
by Thierry Kauffmann 27 Feb '14

27 Feb '14

Hi, As this is my first post on the mailing list, I would like to congratulate the development team for the great work with x2go : It is allowing us to give access to our Linux image outside the wall of the Faculty at very low cost. I have set up an x2go broker server with https enabled : Apache Virtual Host + wsgi + plain + inifile + pam_ldap authentication. Connecting to the broker and getting connection profile works like a charm from an Ubuntu 12.04 x2go client (using --broker-url=https://x2go_broker_ip/plain/inifile) But, I keep getting a connection error (Failed Authentication) from a Windows x2go client (I am testing with version 4.0.1.3 on Windows XP). Bug has already been filed (*258 days old)*: http://bugs.x2go.org/db/22/229.html It is extremely annoying : It prevents us from deploying x2go largely in our University ! Any plans to solve this issue ? Best regards, -- <http://www.fdsweb.univ-montp2.fr> Thierry KAUFFMANN Chef du service informatique (SIF) Tél : +33 4 67 14 31 58 <tel:+33%204%2067%2014%2031%2058> Mail : Thierry.Kauffmann(a)univ-montp2.fr <mailto:Thierry.Kauffmann@univ-montp2.fr> CC 437 - Place Eugène Bataillon. 34095 Montpellier Cedex 5 - FRANCE. www.fdsweb.univ-montp2.fr <http://www.fdsweb.univ-montp2.fr> FACULTÉ DES SCIENCES/ UNIVERSITÉ MONTPELLIER 2

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restricting arbitrary ssh commands
by Kris Ilowiecki 26 Feb '14

26 Feb '14

Hello Everyone, I am trying to figure out a way to have X2Go work without giving the user ssh access to the server. The approach I have taken is to use XDMCP. I have created a new 'switcher' user on the server, who connects with ssh keys and launches XDMCP where the real user can authenticate. However, I have problems restricting the access of this initiating 'switcher' user. I thought it would be enough to allow him to run x2gostartagent with the ssh key, i.e. command="/usr/bin/x2gostartagent ${SSH_ORIGINAL_COMMAND#* }" ssh-rsa... However, on closer inspection with acct I have noticed that there are several commands run before x2gostartagent, apparently including several instances of bash. Is bash used directly, or would restricting ssh commands to x2gopath, x2gosyslog, x2gostartagent, (...?) work? Or would it be possible to put 'switcher' in a chroot jail, and then have the XDMCP-authenticated user outside of it? From what I can see, NX3.5 approached this by encapsulating everything in nxserver, which was then set in /etc/passwd as the shell of the nx user. The goal is to prevent the user from executing arbitrary commands, in particular initiating data transfers. Any ideas or comments most appreciated Many thanks, Kris

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Re: [X2Go-User] Remote folder mounting fails sometimes
by Michael DePaulo 24 Feb '14

24 Feb '14

Hi Emanuele, 1st of all, I'm glad you were able to find a workaround. I am replying to the mailing list so that people can see that workaround. I ran some tests. I believe I was unable to reproduce your bug, but I did produce a different bug: https://docs.google.com/spreadsheet/ccc?key=0AmL_OrCln9ShdHcxbTQ3amJZdlp1b3… I will check if my bug is already reported. If it isn't, I will report it. In the meantime, can you please report your bug to our bug tracker? Instructions here: http://wiki.x2go.org/doku.php/wiki:bugs File the bug against the package "x2goserver". Please mention your exact client OS and server OS. Also the x2go client version and the x2go server version For example: Win 8.1 64-bit Pro Ubuntu 12.04.4 32-bit X2Go Client 4.0.1.3 X2Go Server 4.0.1.13 I understand that you are not an expert with Linux, so let us know if you have any questions. -Mike#2 On Fri, Feb 21, 2014 at 9:30 AM, Emanuele Marra <marraemanuele(a)gmail.com> wrote: > Thanks, in the meantime I added the nonempty option in x2gomountdirs, so at > least on next sessions the mounting doesn't fail. I have about 10 clients > connected so I'll find out soon if the problem occurs again. > > > 2014-02-21 15:07 GMT+01:00 Michael DePaulo <mikedep333(a)gmail.com>: > >> Whoops, should have sent this to the list. >> >> On Fri, Feb 21, 2014 at 9:06 AM, Michael DePaulo <mikedep333(a)gmail.com> >> wrote: >> > I'll try to investigate it over the next 2 days. >> > >> > -Mike >> > >> > On Thu, Feb 20, 2014 at 11:35 AM, Emanuele Marra >> > <marraemanuele(a)gmail.com> wrote: >> >> Thanks for the help. >> >> I'm using windows 7 64 bit, but I have the same issue on other machines >> >> with >> >> windows xp installed. >> >> I think what happens is this: >> >> I start the client a first time, the folder doesn't get mounted. Now, >> >> on the >> >> remote machine runs a company software which writes to the mounted >> >> folder, >> >> since the folder is not there the software creates the folder >> >> structure. On >> >> the next time the client is opened, it tries to mount the directory and >> >> that >> >> error comes out since the mount point is not empty. >> >> So my guess is sometimes at session startup the mounting fails. I also >> >> see >> >> this in the mounts.log: >> >> >> >> read: Connection reset by peer >> >> >> >> Any idea why this happens? Thanks again >> >> >> >> >> >> 2014-02-20 16:01 GMT+01:00 Michael DePaulo <mikedep333(a)gmail.com>: >> >> >> >>> I think this is a known issue that only affects certain versions of >> >>> windows. What version of windows are you running? E.g.windows 7 64-bit >> >>> pro >> >>> sp1 >> >>> >> >>> On Feb 20, 2014 3:56 AM, "Emanuele Marra" <marraemanuele(a)gmail.com> >> >>> wrote: >> >>>> >> >>>> Hi, >> >>>> I configured a shared folder with my x2go Windows client. I noticed >> >>>> that >> >>>> sometimes the mount doesn't work and I get this error in mounts.log: >> >>>> >> >>>> fuse: mountpoint is not empty >> >>>> fuse: if you are sure this is safe, use the 'nonempty' mount option >> >>>> >> >>>> to solve the issue I have to run this commands: >> >>>> >> >>>> fusermount -z -u /tmp/.x2go-USER_NAME/media/disk/_cygdrive_FOLDER >> >>>> sudo rm -R -f /tmp/.x2go-USER_NAME/media/disk/_cygdrive_FOLDER >> >>>> >> >>>> and restart. >> >>>> >> >>>> Any idea why this happens and how to prevent it? >> >>>> >> >>>> Could be a solution to insert the -nonempty option in the mount >> >>>> command, >> >>>> where I can find this in the scripts? >> >>>> >> >>>> I'm a beginner with x2go and I'm not an expert with linux either. >> >>>> Thanks >> >>>> in advance for your help. >> >>>> >> >>>> _______________________________________________ >> >>>> X2Go-User mailing list >> >>>> X2Go-User(a)lists.berlios.de >> >>>> https://lists.berlios.de/mailman/listinfo/x2go-user >> >> >> >> > >

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Re: [X2Go-User] sound is really bad
by Michael DePaulo 24 Feb '14

24 Feb '14

Whoops, forgot to reply to the listserv. Right, that is important to note. It means you have PulseAudio 4.0, and this may be specific to PulseAudio 4.0 when on Linux. On Mon, Feb 24, 2014 at 7:43 AM, Neal Becker <ndbecker2(a)gmail.com> wrote: > My client is fedora f20 kde - same as my server - if that matters > > > On Sun, Feb 23, 2014 at 12:58 PM, Michael DePaulo <mikedep333(a)gmail.com> > wrote: >> >> Hi Neal. >> >> I meant to reply to this earlier, but never did. >> >> With windows x2goclient, we have this problem when using client-side >> pulseaudio 1.1 or newer, and only when using flash player. >> >> Can you try another server-side app such as html5 audio in your browser, >> or playing a local .ogg file in an app like rhythmbox? >> >> -Mike#2 >> >> On Jan 24, 2014 7:27 AM, "Neal Becker" <ndbecker2(a)gmail.com> wrote: >>> >>> I updated to x2goclient-4.0.1.3-2.fc20.x86_64 >>> (but did not update libssh). >>> >>> I started a new session. Now there is sound, but it's really bad. >>> >>> I tried playing the stream of a radio station via chrome. The sound is >>> very >>> choppy, and it seems to be playing very slowly! >>> >>> The connection is to a machine sitting next to me via 1G enet. >>> >>> >>> _______________________________________________ >>> X2Go-User mailing list >>> X2Go-User(a)lists.berlios.de >>> https://lists.berlios.de/mailman/listinfo/x2go-user > >

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Session resume problems
by Ondra 24 Feb '14

24 Feb '14

Hello, I have been using x2go for many months now, client (Debian amd64 4.0.1.1-1), x2goserver (Debian amd64 4.0.1.6-0) .. is the current version, but it's been the same ever since. I use it in the "single application" mode, starting only xfce4-terminal and all the other windows are spawned from that terminal. What happens is that very often (I would say 20-30% of the cases -- it's not deterministic), I would resume a session, it is "resumed", but no windows appear. Nothing helps, suspending and resuming does not work. The only thing to do is to terminate the session and start anew. It's quite annoying:) I wonder if anyone has this issue or am I doing something wrong / non-standard? How can I debug this? BTW, I use awesome wm now, but the same was happening to me on xfce, too thanks for any suggestions / pointers -- Ondrej

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Minimal distro with login manager
by Jos 21 Feb '14

21 Feb '14

Hi all, I came across this question on the user list https://www.mail-archive.com/x2go-user@lists.berlios.de/msg00460.html Jonathan Brown <https://www.mail-archive.com/search?l=x2go-user@lists.berlios.de&q=from:%22…> Thu, 23 Feb 2012 16:05:59 -0800 <https://www.mail-archive.com/search?l=x2go-user@lists.berlios.de&q=date:201…> Hi all, 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... Mike has replied https://www.mail-archive.com/x2go-user@lists.berlios.de/msg00469.html I would sure like to know if this has got a follow up, but can't find anything more about it on the list. Since i would like to create a minimal iso also with only a the login manager to access the x2go server, if would like to know if someone has succeeded in doing so. Regards, Jos.

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Re: [X2Go-User] Remote folder mounting fails sometimes
by Michael DePaulo 21 Feb '14

21 Feb '14

Whoops, should have sent this to the list. On Fri, Feb 21, 2014 at 9:06 AM, Michael DePaulo <mikedep333(a)gmail.com> wrote: > I'll try to investigate it over the next 2 days. > > -Mike > > On Thu, Feb 20, 2014 at 11:35 AM, Emanuele Marra > <marraemanuele(a)gmail.com> wrote: >> Thanks for the help. >> I'm using windows 7 64 bit, but I have the same issue on other machines with >> windows xp installed. >> I think what happens is this: >> I start the client a first time, the folder doesn't get mounted. Now, on the >> remote machine runs a company software which writes to the mounted folder, >> since the folder is not there the software creates the folder structure. On >> the next time the client is opened, it tries to mount the directory and that >> error comes out since the mount point is not empty. >> So my guess is sometimes at session startup the mounting fails. I also see >> this in the mounts.log: >> >> read: Connection reset by peer >> >> Any idea why this happens? Thanks again >> >> >> 2014-02-20 16:01 GMT+01:00 Michael DePaulo <mikedep333(a)gmail.com>: >> >>> I think this is a known issue that only affects certain versions of >>> windows. What version of windows are you running? E.g.windows 7 64-bit pro >>> sp1 >>> >>> On Feb 20, 2014 3:56 AM, "Emanuele Marra" <marraemanuele(a)gmail.com> wrote: >>>> >>>> Hi, >>>> I configured a shared folder with my x2go Windows client. I noticed that >>>> sometimes the mount doesn't work and I get this error in mounts.log: >>>> >>>> fuse: mountpoint is not empty >>>> fuse: if you are sure this is safe, use the 'nonempty' mount option >>>> >>>> to solve the issue I have to run this commands: >>>> >>>> fusermount -z -u /tmp/.x2go-USER_NAME/media/disk/_cygdrive_FOLDER >>>> sudo rm -R -f /tmp/.x2go-USER_NAME/media/disk/_cygdrive_FOLDER >>>> >>>> and restart. >>>> >>>> Any idea why this happens and how to prevent it? >>>> >>>> Could be a solution to insert the -nonempty option in the mount command, >>>> where I can find this in the scripts? >>>> >>>> I'm a beginner with x2go and I'm not an expert with linux either. Thanks >>>> in advance for your help. >>>> >>>> _______________________________________________ >>>> X2Go-User mailing list >>>> X2Go-User(a)lists.berlios.de >>>> https://lists.berlios.de/mailman/listinfo/x2go-user >> >>

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