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Seemless sessions using GDM?
by Jo-Erlend Schinstad 07 Jun '10

07 Jun '10

Hello everyone. On my home desktop, I use Ubuntu 10.04. I use it for personal stuff and I use it for business, but then using an x2go terminal server. And I'm very satisfied with that solution. However, yesterday, I tried something new, and the result was 99% awesome. What I did, was to add a new session type to GDM, which I called x2go. This session simply runs x2goclient --geometry=fullscreen --session=x2go and some other parameters. The x2go session uses a spesific user and key, so it wouldn't be a good solution in all cases, but since I'm the only user of this particular pc, it's not a problem for me. Having setup the client to use a key for login, this means that when I login as my x2go user in GDM, the only thing I see, is the x2go session. This is really very nice, but when I log out from the x2go session, I end up with the x2go window. It would be very nice if I could find a way to exit the application when I log out from the x2go session. Is this possible today, or must it be coded? Thanks, Jo-Erlend Schinstad

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x2go on ubuntu 10.04
by Ricardo Díaz Martín 07 Jun '10

07 Jun '10

Hi, I'm FreeNX user for last 2 years. I'd like to try other TS environment because I'm going now to deploy a Linux app to one of my customers and I'm evaluating all the possibilities there are. I installed x2go (home) like according to x2go.org and when I try to log in I get a fault. I attach log of connection. Thanks in advance

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Re: [X2go-dev] X2go-dev Digest, Vol 18, Issue 7
by brian mullan 07 Jun '10

07 Jun '10

I've tried most of the remote desktop solutions out there. NoMachine's NX, NX/FreeNX, Citrix ICA, etc. They *all* suffer from less than perfect video over the net. Its a combination of bandwidth and cpu horsepower either of which can induce delay/jitter. Audio won't be as noticable as video because if you miss some bits of audio your ears/mind usually still can understand but miss some bits of video and its always noticable. There are quite a few solutions that are starting to appear though that will help. Red Hat has released to opensource the SPICE<http://www.h-online.com/open/news/item/Red-Hat-open-sources-Qumranet-SPICE-…>software they got from QumranNet two years ago. There is also work being done with Neatx although its got key features that don't work yet (audio/printing for a couple). and there are a variety of other solutions starting to hit the market. Then there is the movement to HTML 5 with embedded video support which is going to change a lot of things for the better. If the video you need to view is web based then don't have the user launch a browser on the remote desktop machine but launch it locally. Brian On Mon, Jun 7, 2010 at 6:00 AM, <x2go-dev-request(a)lists.berlios.de> wrote: > Send X2go-dev mailing list submissions to > x2go-dev(a)lists.berlios.de > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.berlios.de/mailman/listinfo/x2go-dev > or, via email, send a message with subject or body 'help' to > x2go-dev-request(a)lists.berlios.de > > You can reach the person managing the list at > x2go-dev-owner(a)lists.berlios.de > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of X2go-dev digest..." > > > Today's Topics: > > 1. Re: x2gospyglass with x2goserver-one? (Paul van der Vlis) > 2. Ubuntu 10.04 (cougarmaster) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sun, 06 Jun 2010 16:54:13 +0200 > From: Paul van der Vlis <paul(a)vandervlis.nl> > To: x2go-dev(a)lists.berlios.de > Subject: Re: [X2go-dev] x2gospyglass with x2goserver-one? > Message-ID: <4C0BB695.9020007(a)vandervlis.nl> > Content-Type: text/plain; charset=UTF-8 > > Philipp Huebner schreef: > > Hi, > > > > if possible, how can I use x2gospyglass with x2goserver-one? > > You need LDAP. > > But the newest, not-yet-released-version of X2go has a simular feature > to see a session of another user. Then you don't need LDAP. > > It's called "Desktop sharing". > > With regards, > Paul van der Vlis. > > > > -- > http://www.vandervlis.nl/ > > > > ------------------------------ > > Message: 2 > Date: Sun, 6 Jun 2010 16:51:07 +0000 (UTC) > From: cougarmaster <voipster3(a)gmail.com> > To: x2go-dev(a)lists.berlios.de > Subject: [X2go-dev] Ubuntu 10.04 > Message-ID: <loom.20100606T183728-70(a)post.gmane.org> > Content-Type: text/plain; charset=us-ascii > > Hi all, > I have just installed Ubuntu 10.04 for a client on a XEN server and the > login > and using of the gnome desktop was really great! It was very fast login and > using the programs was quick and no long waits. The login took about 6 sec > from > an internet connection. Though video playback is terrible still :) but the > sound > was smooth mostly having a few stops here and there otherwise its really > good. > Printing was great but had to stick to pdf printing which the client could > live > with pressing a few more buttons. The other great thing was that if the > connection was cut off for whatever reason it now can connect back to that > session, before it was like a roll of the dice. Also another great factor > was > using 10.04 is login and log out are really fast. The modem setting is a > great > saver for bad wifi connections. > Anyway my main question would be will video playback be looked into? > Since > with ubuntu 10.04 out and most of the things I have tried seems to have > enhanced > the speed of ssh and stability. Though most people don't need it now it is > a > great feature to have since video calls are getting popular it would really > enhance x2go usage further. > > > > ------------------------------ > > _______________________________________________ > X2go-dev mailing list > X2go-dev(a)lists.berlios.de > https://lists.berlios.de/mailman/listinfo/x2go-dev > > > End of X2go-dev Digest, Vol 18, Issue 7 > *************************************** >

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x2gospyglass with x2goserver-one?
by Philipp Huebner 06 Jun '10

06 Jun '10

Hi, if possible, how can I use x2gospyglass with x2goserver-one? What requirements must a user meet to be eligible to run x2gospyglass? Regards, -- .''`. Philipp Huebner <debalance(a)debian.org> : :' : pgp fp: 6719 25C5 B8CD E74A 5225 3DF9 E5CA 8C49 25E4 205F `. `'` HP: http://www.debalance.de, Skype: philipp-huebner `- ICQ: 235-524-440, Jabber: der_schakal(a)jabber.org

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x2gothinclient: pre-select session?
by Philipp Huebner 04 Jun '10

04 Jun '10

Hi, today I successfully replaced LTSP by X2Go on a Debian Edu Terminalserver. On the server I just installed x2goserver-one. In the Thin-Client chroot I modified /etc/init.d/ramdrive to create a sessions file that offers a session for the Terminalserver. It works like a charm: the user clicks on the card, enters his username and password, and there he goes :) Now, to top it all off, it would be great if I could get x2goclient to pre-select that session. In my setup there is only one Terminalserver, and that way the click on the card would be saved. Currently, I have the following in /opt/x2gothinclient/etc/default/x2goclient: x2goclient --external-login=/ramdrive/logins --no-menu --maximize --link=lan --kbd-layout=de --kbd-type=pc105/de --set-kbd=1 --geometry=fullscreen --add-to-known-hosts --read-exports-from=/ramdrive/export If I just add --session-id=20100603181957574 to that list, x2goclient won't start. that argument alone doesn't work either. So my question is: if possible, how can I pre-select a specific session for the x2gothinclient? Regards, -- .''`. Philipp Huebner <debalance(a)debian.org> : :' : pgp fp: 6719 25C5 B8CD E74A 5225 3DF9 E5CA 8C49 25E4 205F `. `'` HP: http://www.debalance.de, Skype: philipp-huebner `- ICQ: 235-524-440, Jabber: der_schakal(a)jabber.org

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Serious Issue - x2goagent runaway CPU
by John A. Sullivan III 04 Jun '10

04 Jun '10

Hello, all. We are seeing this with enough regularity that it is alarming. Our first client uses Konqueror heavily in their work process. They usually open files from it rather than from within the applications, they email directly from it, etc. The environment is Lenny + Backports with a few updates from Squeeze. We are using KDE 3.5. X2Go is 3.0.1-4 on the client (all windows stations) and 3.0.1-5 for server. We have not been able to track down the trigger but the user's Konqueror will freeze partly painted. x2goagent consumes all the CPU and Konqueror's memory usage grows to frightening amounts (e.g., 18GB). How can we track down and kill this serious bug? Thanks - John

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Compensating for heavy packet loss environments
by John A. Sullivan III 03 Jun '10

03 Jun '10

We have some clients who are experiencing heavy packet loss on their Internet connection. As a result, their X2Go sessions regularly hang and then take forever to time-out. Their other Internet traffic is much more resilient. This sounds like an SSH problem which does have a problem with lossy environments. We've started testing with changing the sshd_config to have: ClientAliveCountMax 12 ClientAliveInterval 5 Any other suggestions or experiences in using X2Go in high packet loss environments? Thanks - John

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Fwd: x2go with ldap, but no login
by michel 01 Jun '10

01 Jun '10

-------- Original Message -------- Subject: x2go with ldap, but no login Date: Tue, 1 Jun 2010 06:37:46 +0200 From: lug limbe <lug.limbe(a)gmail.com> To: kamerun(a)immerda.ch, "lug.limbe" <lug.limbe(a)gmail.com> hello, first a question: i will come in europe in july august, september, last year i participate to a x2go meeting in germany, it was very nice and helpfull for me. if it exist something similar (workshop, seminar, ...) please tell me, i woud like to participate. as we quasi promise, we install x2go with ldap. we install x2go with x2go-home on ubuntu and x2go-one with debian without ldap without problems. we want to have 2 x2goserver with load balance, it would be very nice, because if a server is not working, we can still work with the other server, if both are working, with load balance it should help for better performance. so we tryto install x2go with ldap. it has taken more than 2 days: we have a 128 kbs connection, but the worse ist the current, which stop every 20-30 minutes when the rain is heavyl falling down (we are in the raining season. it seems to work fine, but when i want to start a client (PXE) i come until the login, but it appears only the icon to shutdown and nothing else. as you can see in syslog and better understand as i, slapd is working, every 5 seconds happens something it seems to close the connection */ /* /*May 31 22:52:21 x2goserver slapd[2295]: conn=8928 fd=22 closed*/ and this address* 0.0.0.0*:636 seems me not correct /May 31 22:52:21 x2goserver slapd[2295]: conn=8929 fd=22 ACCEPT from IP=//127.0.1.1:60306/ <http://127.0.1.1:60306>/ *(IP=*//*0.0.0.0:636*/ <http://0.0.0.0:636>/*)*/ below we put the the tcpdump on eth1 /May 31 22:52:16 x2goserver slapd[2295]: conn=8927 op=1 SRCH base="ou=People,o=planetexpress,c=de" scope=1 deref=0 filter="(&(objectClass=shadowAccount)(uid=postgres))" May 31 22:52:16 x2goserver slapd[2295]: conn=8927 op=1 SRCH attr=uid userPassword shadowLastChange shadowMax shadowMin shadowWarning shadowInactive shadowExpire shadowFlag May 31 22:52:16 x2goserver slapd[2295]: <= bdb_equality_candidates: (uid) not indexed May 31 22:52:16 x2goserver slapd[2295]: conn=8927 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text= May 31 22:52:16 x2goserver slapd[2295]: conn=8927 fd=22 closed (connection lost) May 31 22:52:21 x2goserver slapd[2295]: conn=8928 fd=22 ACCEPT from IP=//127.0.1.1:60305/ <http://127.0.1.1:60305>/ (IP=//0.0.0.0:636/ <http://0.0.0.0:636>/) May 31 22:52:21 x2goserver slapd[2295]: conn=8928 fd=22 TLS established tls_ssf=128 ssf=128 May 31 22:52:21 x2goserver slapd[2295]: conn=8928 op=0 BIND dn="cn=ldapadmin,o=planetexpress,c=de" method=128 May 31 22:52:21 x2goserver slapd[2295]: conn=8928 op=0 BIND dn="cn=ldapadmin,o=planetexpress,c=de" mech=SIMPLE ssf=0 May 31 22:52:21 x2goserver slapd[2295]: conn=8928 op=0 RESULT tag=97 err=0 text= May 31 22:52:21 x2goserver slapd[2295]: conn=8928 op=1 SRCH base="ou=People,o=planetexpress,c=de" scope=2 deref=0 filter="(&(objectClass=posixAccount)(uid=postgres))" May 31 22:52:21 x2goserver slapd[2295]: <= bdb_equality_candidates: (uid) not indexed May 31 22:52:21 x2goserver slapd[2295]: conn=8928 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text= May 31 22:52:21 x2goserver slapd[2295]: conn=8928 op=2 UNBIND May 31 22:52:21 x2goserver slapd[2295]: conn=8928 fd=22 closed May 31 22:52:21 x2goserver slapd[2295]: conn=8929 fd=22 ACCEPT from IP=//127.0.1.1:60306/ <http://127.0.1.1:60306>/ (IP=//0.0.0.0:636/ <http://0.0.0.0:636>/) May 31 22:52:21 x2goserver slapd[2295]: conn=8929 fd=22 TLS established tls_ssf=128 ssf=128 May 31 22:52:21 x2goserver slapd[2295]: conn=8929 op=0 BIND dn="" method=128 May 31 22:52:21 x2goserver slapd[2295]: conn=8929 op=0 RESULT tag=97 err=0 text= May 31 22:52:21 x2goserver slapd[2295]: conn=8929 op=1 SRCH base="ou=People,o=planetexpress,c=de" scope=1 deref=0 filter="(&(objectClass=shadowAccount)(uid=postgres))" May 31 22:52:21 x2goserver slapd[2295]: conn=8929 op=1 SRCH attr=uid userPassword shadowLastChange shadowMax shadowMin shadowWarning shadowInactive shadowExpire shadowFlag May 31 22:52:21 x2goserver slapd[2295]: <= bdb_equality_candidates: (uid) not indexed May 31 22:52:21 x2goserver slapd[2295]: conn=8929 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text= May 31 22:52:21 x2goserver slapd[2295]: conn=8929 fd=22 closed (connection lost) May 31 22:52:26 x2goserver slapd[2295]: conn=8930 fd=22 ACCEPT from IP=//127.0.1.1:60307/ <http://127.0.1.1:60307>/ (IP=//0.0.0.0:636/ <http://0.0.0.0:636>/) May 31 22:52:26 x2goserver slapd[2295]: conn=8930 fd=22 TLS established tls_ssf=128 ssf=128 May 31 22:52:26 x2goserver slapd[2295]: conn=8930 op=0 BIND dn="cn=ldapadmin,o=planetexpress,c=de" method=128 May 31 22:52:26 x2goserver slapd[2295]: conn=8930 op=0 BIND dn="cn=ldapadmin,o=planetexpress,c=de" mech=SIMPLE ssf=0 May 31 22:52:26 x2goserver slapd[2295]: conn=8930 op=0 RESULT tag=97 err=0 text= May 31 22:52:26 x2goserver slapd[2295]: conn=8930 op=1 SRCH base="ou=People,o=planetexpress,c=de" scope=2 deref=0 filter="(&(objectClass=posixAccount)(uid=postgres))" May 31 22:52:26 x2goserver slapd[2295]: <= bdb_equality_candidates: (uid) not indexed May 31 22:52:26 x2goserver slapd[2295]: conn=8930 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text= May 31 22:52:26 x2goserver slapd[2295]: conn=8930 op=2 UNBIND May 31 22:52:26 x2goserver slapd[2295]: conn=8930 fd=22 closed May 31 22:52:27 x2goserver slapd[2295]: conn=8931 fd=22 ACCEPT from IP=//127.0.1.1:60308/ <http://127.0.1.1:60308>/ (IP=//0.0.0.0:636/ <http://0.0.0.0:636>/) May 31 22:52:27 x2goserver slapd[2295]: conn=8931 fd=22 TLS established tls_ssf=128 ssf=128 May 31 22:52:27 x2goserver slapd[2295]: conn=8931 op=0 BIND dn="" method=128 May 31 22:52:27 x2goserver slapd[2295]: conn=8931 op=0 RESULT tag=97 err=0 text= May 31 22:52:27 x2goserver slapd[2295]: conn=8931 op=1 SRCH base="ou=People,o=planetexpress,c=de" scope=1 deref=0 filter="(&(objectClass=shadowAccount)(uid=postgres))" May 31 22:52:27 x2goserver slapd[2295]: conn=8931 op=1 SRCH attr=uid userPassword shadowLastChange shadowMax shadowMin shadowWarning shadowInactive shadowExpire shadowFlag May 31 22:52:27 x2goserver slapd[2295]: <= bdb_equality_candidates: (uid) not indexed May 31 22:52:27 x2goserver slapd[2295]: conn=8931 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text= May 31 22:52:27 x2goserver slapd[2295]: conn=8931 fd=22 closed (connection lost) / and tcpdump on eth1 /22:37:10.670815 IP x2goserver.local.nfs > 192.168.0.100.147730080: reply ok 116 getattr [|nfs] 22:37:10.674699 IP 192.168.0.100.164507296 > x2goserver.local.nfs: 112 getattr [|nfs] 22:37:10.674896 IP x2goserver.local.nfs > 192.168.0.100.164507296: reply ok 116 getattr [|nfs] 22:37:10.679737 IP 192.168.0.100.181284512 > x2goserver.local.nfs: 112 getattr [|nfs] 22:37:10.679912 IP x2goserver.local.nfs > 192.168.0.100.181284512: reply ok 116 getattr [|nfs] 22:37:10.683758 IP 192.168.0.100.198061728 > x2goserver.local.nfs: 112 getattr [|nfs] 22:37:10.683912 IP x2goserver.local.nfs > 192.168.0.100.198061728: reply ok 116 getattr [|nfs] 22:37:10.687996 IP 192.168.0.100.214838944 > x2goserver.local.nfs: 112 getattr [|nfs] 22:37:10.688051 IP x2goserver.local.nfs > 192.168.0.100.214838944: reply ok 116 getattr [|nfs] 22:37:10.688916 IP 192.168.0.100.231616160 > x2goserver.local.nfs: 112 getattr [|nfs] 22:37:10.688957 IP x2goserver.local.nfs > 192.168.0.100.231616160: reply ok 116 getattr [|nfs] 22:37:10.728423 IP 192.168.0.100.939 > x2goserver.local.nfs: . ack 87897 win 41418 <nop,nop,timestamp 4294900216 5304737> ^C 712 packets captured 712 packets received by filter 0 packets dropped by kernel x2goserver:/home/michel# / i don't understand what is *x2goserver.local.nfs* i can ping x2gonserver and x2goserver.local but not x2goserver.local.nfs i hope somebody can help us in name of the "Association of Linux Friends" in limbe cameroon michel

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update on the status of the new release
by Heinz-M. Graesing 31 May '10

31 May '10

Hello x2go user, we've finally found the bug preventing the release of the new version. Now there will be some changes to the feature list of the upcomming release: To keep it realistic there will be no audio support for the desktop/session sharing feature (for now). It won't be possible to modify a shared session which is not yours (due to security reasons). There where also some requests regarding the needed KDE4 bindings. As KDE has changed a lot, we are discussing to build those as a "plasmoid". We'll make the new release accessible for testing purpuse soon - but the plasmoid will take us some time. best regards, Heinz

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Windows X2Go printing
by John A. Sullivan III 29 May '10

29 May '10

Hello, all. We are trying to finish off the punch list for our first major X2Go deployment so I expect to be sending lots of smaller issues to the list. One not so small issue is a problem with using the X2Go client printing on Windows stations. The portability of this solution is magnificent but we are noticing that the windows client cannot directly print to the local printers. Whenever we send a print job from the X2Go server to the Windows X2Go client (3.0.1-4), the print dialog properly displays. However, no matter which local printer we choose, whichever application Windows has associated with PDF files opens instead and displays the PDF rather than printing it. Has anyone else seen this behavior? It is 100% reproducible for us. Why is this happening? Is there a workaround? We're about to dive into the code to see what we can find but really don't know what we are looking at or for so any guidance would be greatly appreciated - John

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