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Bug#1014: resize of window causes fonts/spacing to scale improperly
by Lev Shuhatovich 22 Mar '16

22 Mar '16

Package: x2goclient (win64) Version: 4.0.5.0 (Qt 4.8.6) 1. start a server using windowed geometry - 1440x900, RHEL5 (but any non-fullscreen res reproduces) 2. maximize window 3. start incisive enterprise simulator program (cadence IES tool) Notes: omitting the maximize (step 2) yields normal results x2goclient on linux does not suffer from this issue vnc both windows/linux does not suffer from this issue - (no way to rescale geometry after server is started) The rest of the windows spawned by IES all suffer from this... I haven't observed this with other programs, so I'm attaching the strace for reference.

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Bug#1013: x2gobroker-daemon doesn't return error when it can't spawn/bind to port
by Stefan Baur 22 Mar '16

22 Mar '16

package: x2gobroker-daemon version: 0.0.3.0 This is what happened: node:~# service x2gobroker-daemon stop [....] Stopping X2Go Session Broker standalone daemon: x2gobroker-daemonstart-stop-daemon: warning: failed to kill 14170: No such process failed! # huh, wait, what? node:~# ps ax | grep brok 5499 ? S 0:00 x2gobroker-authservice -s /run/x2gobroker/x2gobroker-authservice.socket -o root -g x2gobroker -p 0660 18791 pts/0 S+ 0:00 grep brok # no running x2gobroker-daemon, so ... # let's remove the PID file: node:~# rm /run/x2gobroker/x2gobroker-daemon.pid node:~# service x2gobroker-daemon stop node:~# service x2gobroker-daemon start [ ok ] Starting X2Go Session Broker standalone daemon: x2gobroker-daemon. # looking good so far ... node:~# service x2gobroker-daemon stop [....] Stopping X2Go Session Broker standalone daemon: x2gobroker-daemonstart-stop-daemon: warning: failed to kill 18470: No such process failed! # whoops, again? node:~# ps ax | grep brok 5499 ? S 0:00 x2gobroker-authservice -s /run/x2gobroker/x2gobroker-authservice.socket -o root -g x2gobroker -p 0660 18791 pts/0 S+ 0:00 grep brok # no running x2gobroker-daemon, so ... # let's remove the PID file: node:~# rm /run/x2gobroker/x2gobroker-daemon.pid # I wonder what a restart will do? node:~# service x2gobroker-daemon restart [ ok ] Starting X2Go Session Broker standalone daemon: x2gobroker-daemon. node:~# service x2gobroker-daemon restart [....] Stopping X2Go Session Broker standalone daemon: x2gobroker-daemonstart-stop-daemon: warning: failed to kill 18641: No such process failed! [warn] X2Go Session Broker: stale PID file (/run/x2gobroker/x2gobroker-daemon.pid). Delete it manually! ... (warning). node:~# ps ax | grep brok 5499 ? S 0:00 x2gobroker-authservice -s /run/x2gobroker/x2gobroker-authservice.socket -o root -g x2gobroker -p 0660 18791 pts/0 S+ 0:00 grep brok # and again, no running x2gobroker-daemon :-( The reason, as I found out later, was, that it tries to bind to 127.0.0.1:8080 by default, and that port is already in use by another process on that machine. IMO, this is a bug: when it can't bind to the port, and thus dies, this should be returned to the start script, so it can report back "FAILED". -Stefan -- BAUR-ITCS UG (haftungsbeschränkt) Geschäftsführer: Stefan Baur Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364 Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243

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x2goclient, Pyhoca-GUI and x2goserver issues on Ubuntu 16.04
by Eugene San 21 Mar '16

21 Mar '16

Hi all, Recently I've migrated to Ubuntu 16.04 + LP:x2go/ppa and found the following: 1. x2goclient tray icon (indicator) is oversized (fixed at 144px) while in gnome-flashback but it's ok in Unity. 2. Pyhoca-GUI fails to utilize indicators in Unity and gnome-flashback but manages to fall back to classic tray in gnome-flashback if tray applet activated. 3. x2goserver still broken for gnome-flashback. Several weeks ago I've posted few patches to fix gnome-flashback but they are still not reviewed or applied. Just in case, the patches are available here: https://github.com/eugenesan/x2goserver/commits/master Regards.

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Bug#1011: Add option to grab keyboard input (Alt-Tab) in windowed mode
by Sebastian Loncar 19 Mar '16

19 Mar '16

Package: x2goclient Version: 4.0.5.1 Severity: wishlist When in windowed mode (not full screen), and the window has the focus and the mouse over the window, please add an option to grab the keyboard input (for ALT-TAB within the remote session, not on the host). As example, this is implemented in xFreeRDP and properitary Microsoft Terminal Server Client (just as an example, i do not use Windows) and is very very useful. I'm using XFCE4 on Arch Linux (server and client)

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x2go client KDE session won't resume active session on linux clustered system
by Real, Elizabeth (392K) 17 Mar '16

17 Mar '16

Hello, I have a clustered linux system (node1 – node24) which we access via a FQDN, the problem when using x2go client using KDE is that when you suspend an active session then log back in, x2go does not alert you that there is a suspended session, you are able to log in but you are connected to a different node. What is your approach at being able to resume an active KDE session when connecting to a linux clustered system? x2go server: RHEL7, x2go version 4.0.1 x2go client: RHEL7, x2go version 4.0.5 Thank you, Liz

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Bug#112: garbled keyboard issue
by Scott Classen 16 Mar '16

16 Mar '16

this is killing me. I'm having the exact same problem connecting from my Mac OS X 10.11.3 Xquartz 2.7.9_rc2 (xorg-server 1.17.4) X2Go Client v. 4.0.5.0 (Qt - 4.8.7) I've tried connecting to a CentOS 7 machine with either XFCE or MATE desktops and they both exhibit the same garbled keyboard behavior.

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x2goclient 4.0.5.1 ETA?
by Orion Poplawski 14 Mar '16

14 Mar '16

Is there an ETA on x2goclient 4.0.5.1? Supposedly fixes bug 929 which crops up a fair amount in Fedora bug reports. -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA/CoRA Division FAX: 303-415-9702 3380 Mitchell Lane orion(a)cora.nwra.com Boulder, CO 80301 http://www.cora.nwra.com

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Bug#1009: x2gomountdirs fails to mount directories when connecting with mswin X2go client
by Залесский Егор 10 Mar '16

10 Mar '16

Package: x2goserver Version: 4.0.1.19-0~1064~ubuntu16.04.1 amd64 First of all, I would like to thank you for your marvelous x2go server. However, I have tried to install it on Ubuntu 14.04, 15.10 and 16.04 and every time I had the same error on mounting local shares from mswin official client: Mar 10 17:53:55 x2go-test /usr/bin/x2gomountdirs[1428]: executing: timeout 30 sshfs -o idmap=user,uid=`id -u`,gid=`id -g`,default_permissions,ServerAliveInterval=300,Cipher=blowfish,IdentityFile=/home/sysop/.x2go/ssh/key.gq4920,UserKnow nHostsFile=/home/sysop/.x2go/ssh/key.gq4920.ident "User"@192.168.0.128:"/cygdrive/D/QUAKE2" "/tmp/.x2go-sysop/media/disk/_cygdrive_D_QUAKE2" -p 7022 Mar 10 17:53:55 x2go-test /usr/bin/x2gomountdirs[1428]: WARNING: mounting of /cygdrive/D/QUAKE2 failed I have tested it on several Windows PC’s, still no luck. I have the remote access to linux desktop (ssh connection to Linux works fine), but backward ssh connection fails. I have found the following bugs and solutions: 1. sshd on cygwin offers ssh-dss keys, but modern ssh-client on Ubuntu fails to accept this (deprecated?) type of a key. The problem is worked-around by adding HostKeyAlgorithms=+ssh-dss to /etc/ssh/ssh_config OR The problem can be solved on the whole by generating a better type of a key on windows-side. C:\Program Files (x86)\x2goclient\ssh-keygen -b 2048 -t rsa And simply replacing c:\Users\User\.x2go\etc\ ssh_host_dsa_key and c:\Users\User\.x2go\etc\ ssh_host_dsa_key.pub with generated files. Ssh-keygen supports RSA keys or even ecdsa. Of course, It would be great to do it when installing mswin x2go client 2. /usr/bin/x2gomountdirs line 312 starts sshfs connection this way: if (system("timeout 30 sshfs $code_conv -o idmap=user,uid=`id -u`,gid=`id -g`,$umaskstr,ServerAliveInterval=300,Cipher=blowfish,IdentityFile=$key,UserKnownHostsFile=$key.ident \"$user\"\@$host:\"@dirs[$i]\" \"$mntpath\" -p $port 1>>$sessiondir/sshfs-mounts.log 2>&1")==0) BUT! ========================= Changes since OpenSSH 6.6 ========================= Potentially-incompatible changes * sshd(8): The default set of ciphers and MACs has been altered to remove unsafe algorithms. In particular, CBC ciphers and arcfour* are disabled by default. So to make it work you just delete Cipher=blowfish, out of the line like that: if (system("timeout 30 sshfs $code_conv -o idmap=user,uid=`id -u`,gid=`id -g`,$umaskstr,ServerAliveInterval=300,IdentityFile=$key,UserKnownHostsFile=$key.ident \"$user\"\@$host:\"@dirs[$i]\" \"$mntpath\" -p $port 1>>$sessiondir/sshfs-mounts.log 2>&1")==0) Actually this bug makes impossible shares mounting for all clients (not only windows) since November 2014. It means, since then folder mounting fails for anyone, who installs updates from time to time. o_O 3. Windows 8 clients have a cygwin bug that prevent them from starting sshd properly, thus preventing them from mounting local folders: Permissions 660 for '...' are too open. It is recommended that your private key files are NOT accessible by others. This private key will be ignored. As it is the only key, sshd fails to start at all. It is not a problem of x2go. But still, you can add to a wiki the following: To test for this kind of error, you need to install mswin client with Debug Build and run it with debug shortcut. If you see the error stated above, you simply set the following permissions to c:\Users\<Username>\.x2go\etc folder: 1. OWNER – GROUP(!!!) Users (in fact, any group your user is in – Everyone, Administrators) 2. Disable rights inheriting 3. Delete all user rights 4. Add only one rule to the rights – the group, that you have set the owner to – read and write. It should not throw this error anymore. Best regards, Yahor Zaleski Doctor Server, LLC, Minsk

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Bug#1008: printing MAC OS X El Capitan (2)
by Daniel Serrabou 08 Mar '16

08 Mar '16

Package: x2goclient Version: 4.0.5.0 When launch x2goclient "El Capitan" shows a message said: ssh error... no print no share folders I found that x2goclient look for /etc/ssh_host_rsa_key.pub, but in "El capitan" it is in /etc/ssh/ I create a link and it works! (in previous mail link are mistake) ln -s /etc/ssh/ssh_host_rsa_key.pub /etc/ssh_host_rsa_key.pub Dani

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Bug#1007: printing MAC OS X El Capitan
by Daniel Serrabou 08 Mar '16

08 Mar '16

Package: x2goclient Version: 4.0.5.0 When launch x2goclient "El Capitan" shows a message said: ssh error... no print no share folders I found that x2goclient look for /etc/ssh_host_rsa_key.pub, but in "El capitan" it is in /etc/ssh/ I create a link and it works! ln -s /etc/ssh_host_rsa_key.pub /etc/ssh/ssh_host_rsa_key.pub Dani

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