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session.log file fills disk
by David Schumm 28 Jan '21

28 Jan '21

We are seeing this on multiple machines where the session.log file is massive. I've seen them as large as 82gb. When you attempt to open it it says it's a binary file Server is Centos 7 running x2go server 4.1.0.3-9 == This e-mail may contain SEAKR Engineering (SEAKR) Confidential and Proprietary Information. If this message is not intended for you, you are strictly prohibited from using this message, its contents or attachments in any way. If you have received this message in error, please delete the message from your mailbox. This e-mail may contain export-controlled material and should be handled accordingly.

4 3

Client x2go Android ?
by cloud38＠free.fr 21 Jan '21

21 Jan '21

Hello, Is there an x2go Android client for a connection from my smartphone ? Thank you for your help !

4 3

Shared folder fails silently on client side?
by James Bowery 20 Jan '21

20 Jan '21

For some reason the automounted shared folder is no longer being shared. Moreover, manually mounting doesn't work either. Yet there are no error messages in the X2Go CLient status window (Session ID:... Server:... Username:... Display:... Creation time (is blank?) and Status running). I'm not exactly sure where to look on the Ubuntu server for diagnostics, but it seems the client side should not be so silent under both automount and manual mount.

2 7

Single Application session fails
by Chris Green 18 Jan '21

18 Jan '21

I am running x2goclient on my laptop and the x2go server is on my dekstop, both systems are running xubuntu 20.10. Running an xfce session works perfectly but running a single application session doesn't. It appears to work until the application pops up momentarily and then disappears. The application *is* still running but is not displayed. The end of the session.log shows:- Info: keyboard blocking directory created: '/home/chris/.x2go/C-chris-50-1610816188_stRdigikam_> Info: Keycode conversion is off Session: Session started at 'Sat Jan 16 16:56:30 2021'. nxagentImportProperty: WARNING! Failed to convert remote window [79978240] importing property [> WARNING: Invalid window in ClientMessage xclient.window [0x7a6]. WARNING: Invalid window in ClientMessage xclient.window [0x7a6]. WARNING: Invalid window in ClientMessage xclient.window [0x7a6]. WARNING: Invalid window in ClientMessage xclient.window [0x7a6]. WARNING: Invalid window in ClientMessage xclient.window [0x7a6]. WARNING: Invalid window in ClientMessage xclient.window [0x4a00072]. WARNING: Invalid window in ClientMessage xclient.window [0x4a00072]. WARNING: Invalid window in ClientMessage xclient.window [0x4a0007b]. WARNING: Invalid window in ClientMessage xclient.window [0x4a0007b]. WARNING: Invalid window in ClientMessage xclient.window [0x4a00082]. WARNING: Invalid window in ClientMessage xclient.window [0x4a00082]. Does this indicate what the problem might be? -- Chris Green

2 7

pyhoca-cli seems very broken on xubuntu 20.10
by Chris Green 18 Jan '21

18 Jan '21

Having fixed the missing python3-invoke module pyhoca-cli now crashes in all sorts of other ways on my xubuntu 20.10 system. These sessions run fine when called from x2goclient, I just want to script them in order to run a couple of things before the x2go session. This is calling an xfce session, i.e. a full desktop:- chris$ pyhoca-cli esprimo Traceback (most recent call last): File "/usr/bin/pyhoca-cli", line 439, in <module> parser, args = parseargs() File "/usr/bin/pyhoca-cli", line 397, in parseargs ssh_host = ssh_config.lookup(a.server) File "/usr/lib/python3/dist-packages/paramiko/config.py", line 223, in lookup options = self._lookup(hostname=hostname) File "/usr/lib/python3/dist-packages/paramiko/config.py", line 250, in _lookup or self._does_match( File "/usr/lib/python3/dist-packages/paramiko/config.py", line 389, in _does_match passed = invoke.run(exec_cmd, hide="stdout", warn=True).ok File "/usr/lib/python3/dist-packages/invoke/__init__.py", line 48, in run return Context().run(command, **kwargs) File "/usr/lib/python3/dist-packages/invoke/context.py", line 94, in run return self._run(runner, command, **kwargs) File "/usr/lib/python3/dist-packages/invoke/context.py", line 101, in _run return runner.run(command, **kwargs) File "/usr/lib/python3/dist-packages/invoke/runners.py", line 363, in run return self._run_body(command, **kwargs) File "/usr/lib/python3/dist-packages/invoke/runners.py", line 411, in _run_body self.start(command, self.opts["shell"], self.env) File "/usr/lib/python3/dist-packages/invoke/runners.py", line 1271, in start self.process = Popen( File "/usr/lib/python3.8/subprocess.py", line 854, in __init__ self._execute_child(args, executable, preexec_fn, close_fds, File "/usr/lib/python3.8/subprocess.py", line 1637, in _execute_child self.pid = _posixsubprocess.fork_exec( AttributeError: 'NoneType' object has no attribute 'fork_exec' This is runnning a single application:- chris$ pyhoca-cli Digikam pyhoca-cli[19161] NOTICE: preparing requested X2Go session pyhoca-cli[19161] (PyHocaCLI) NOTICE: preparing requested X2Go session pyhoca-cli[19161] (x2gosessregistry-pylib) NOTICE: registering X2Go session Pyhoca-Client_Session... pyhoca-cli[19161] (x2goclient-pylib) NOTICE: initializing X2Go session... pyhoca-cli[19161] (x2gocontrolsession-pylib) NOTICE: connecting to [Digikam]:22 Traceback (most recent call last): File "/usr/bin/pyhoca-cli", line 454, in <module> thisPyHocaCLI.authenticate() File "/usr/lib/python3/dist-packages/pyhoca/cli/frontend.py", line 532, in authenticate self._X2GoClient__connect_session(self.x2go_session_hash, username=_username, password=password, passphrase=passphrase, force_password_auth=force_password_auth) File "/usr/lib/python3/dist-packages/x2go/client.py", line 1392, in connect_session _success = self.session_registry(session_uuid).connect(username=username, File "/usr/lib/python3/dist-packages/x2go/session.py", line 1387, in connect self.connected = self.control_session.connect(self.server, File "/usr/lib/python3/dist-packages/x2go/backends/control/plain.py", line 1031, in connect paramiko.SSHClient.connect(self, _hostname, port=port, username=username, pkey=None, password=passphrase, File "/usr/lib/python3/dist-packages/paramiko/client.py", line 340, in connect to_try = list(self._families_and_addresses(hostname, port)) File "/usr/lib/python3/dist-packages/paramiko/client.py", line 203, in _families_and_addresses addrinfos = socket.getaddrinfo( File "/usr/lib/python3/dist-packages/gevent/_socketcommon.py", line 212, in getaddrinfo addrlist = get_hub().resolver.getaddrinfo(host, port, family, type, proto, flags) File "/usr/lib/python3/dist-packages/gevent/resolver/thread.py", line 65, in getaddrinfo return self.pool.apply(_socket.getaddrinfo, args, kwargs) File "/usr/lib/python3/dist-packages/gevent/pool.py", line 159, in apply return self.spawn(func, *args, **kwds).get() File "src/gevent/event.py", line 268, in gevent._event.AsyncResult.get File "src/gevent/event.py", line 296, in gevent._event.AsyncResult.get File "src/gevent/event.py", line 286, in gevent._event.AsyncResult.get File "src/gevent/event.py", line 266, in gevent._event.AsyncResult._raise_exception File "src/gevent/event.py", line 211, in gevent._event.AsyncResult.exc_info.__get__ File "/usr/lib/python3/dist-packages/gevent/_tblib.py", line 371, in g return f(a) File "/usr/lib/python3/dist-packages/gevent/_tblib.py", line 432, in load_traceback return loads(s) File "/usr/lib/python3/dist-packages/gevent/_tblib.py", line 337, in unpickle_traceback return ret.as_traceback() File "/usr/lib/python3/dist-packages/gevent/_tblib.py", line 202, in as_traceback code = CodeType( TypeError: an integer is required (got type bytes) -- Chris Green

2 2

x2go session crashes xfwm4
by Chris Green 18 Jan '21

18 Jan '21

I've recently upgraded my system to xubuntu 20.10 and x2go sessions now crash the xfwm4 window manager. After restarting xfwm4 from a terminal window I see the following crash report when I run another x2go session:- xfwm4:15183): Gdk-ERROR **: 11:27:33.867: The program 'xfwm4' received an X Window System error. This probably reflects a bug in the program. The error was 'XSyncBadAlarm'. (Details: serial 213260 error_code 135 request_code 134 (SYNC) minor_code 11) (Note to programmers: normally, X errors are reported asynchronously; that is, you will receive the error a while after causing it. To debug your program, run it with the GDK_SYNCHRONIZE environment variable to change this behavior. You can then get a meaningful backtrace from your debugger if you break on the gdk_x_error() function.) Trace/breakpoint trap (core dumped) Is this a bug in xfwm4 or in x2go? -- Chris Green

2 2

Missing dependency for pyhoca-cli
by Chris Green 18 Jan '21

18 Jan '21

I just installed (using synaptic, i.e. apt) pyhoca-cli on my xubuntu 20.10 system and it dies with a ModuleNotFoundError :- chris$ pyhoca-cli esprimo Traceback (most recent call last): File "/usr/bin/pyhoca-cli", line 439, in <module> parser, args = parseargs() File "/usr/bin/pyhoca-cli", line 397, in parseargs ssh_host = ssh_config.lookup(a.server) File "/usr/lib/python3/dist-packages/paramiko/config.py", line 223, in lookup options = self._lookup(hostname=hostname) File "/usr/lib/python3/dist-packages/paramiko/config.py", line 250, in _lookup or self._does_match( File "/usr/lib/python3/dist-packages/paramiko/config.py", line 387, in _does_match raise invoke_import_error File "/usr/lib/python3/dist-packages/paramiko/config.py", line 36, in <module> import invoke ModuleNotFoundError: No module named 'invoke' Easily fixed by installing python3-invoke but presumably there's a missing dependency. However see my other report - pyhoca-cli seems very broken on xubuntu 20.10. -- Chris Green

1 0

I cannot connect to server
by Jana 14 Jan '21

14 Jan '21

Hello! I have x2goserver 4.1.0.3 (running on Linux Mint ver 20.1 with Mate) and two x2goclients (ver 4.1.2.1 on Debian Stable and ver 4.1.2.2 on Archlinux). Server is behind firewall and I am connecting to it via 'ssh -L' tunnel through machine, which is visible to both side. SSH connection from both clients works fine. But if vhile x2go connection from Debian works, I cannot connect from Archlinux and I do not know why - can you help me? In the attachment is two "--debug" client's outputs. The beginnig looks fine on both, but in the "client-arch-bad" outputs somewhere at the line 91 it started to go wrong. Many thanks for help. Jana

2 1

x2gothinclient_create seems to fail
by Rodolphe Catrais 14 Jan '21

14 Jan '21

Hello everybody! I don't know if this is the right place or the right way for asking for help, thank you for pointing me in the good direction if not. Meanwhile, I'm trying to set an x2go TCE by carefully following this how-to: https://wiki.x2go.org/doku.php/wiki:advanced:tce:install <https://wiki.x2go.org/doku.php/wiki:advanced:tce:install> I never get to this point :'During installation you will be asked to configure your thin client's default language and default keyboard settings. Please do so. Hint: make sure you use UTF-8 encoding in your language selection (e.g. en_US.UTF-8, de_DE.UTF-8, etc.).' This is where x2gothinclient_create seems to fail: Calling hook klibc-utils /usr/share/initramfs-tools/scripts/init-bottom/ORDER ignored: not executable /usr/share/initramfs-tools/scripts/init-top/ORDER ignored: not executable /usr/share/initramfs-tools/scripts/local-premount/ORDER ignored: not executable Building cpio /boot/initrd.img-4.19.0-11-amd64.new initramfs find: '/opt/x2gothinclient/chroot/var/lib/x2gothinclient': No such file or directory find: '/opt/x2gothinclient/chroot/var/lib/x2gothinclient': No such file or directory find: '/opt/x2gothinclient/chroot/var/lib/alsa': No such file or directory find: '/opt/x2gothinclient/chroot/var/lib/alsa': No such file or directory X2Go Thin Client Environment: ============================= The X2Go Thin Client Environment is using the following settings: TC_PRETTY_NAME=X2Go-rod TC_VERSION=1.5.0.1 TC_FLAVOUR=displaymanager TC_BASE=/opt/x2gothinclient TC_CONFIG=/opt/x2gothinclient/etc TC_CHROOT=/opt/x2gothinclient/chroot TC_SHELL=bash TC_DISTRO_CODENAME=buster TC_ARCH=amd64 TC_DEBMIRROR_URL=http://ftp.debian.org/debian TC_X2GO_DEBURL=deb http://packages.x2go.org/debian buster extras main TC_HTTP_PROXY= TC_HTTPS_PROXY= TC_FTP_PROXY= TC_MODULE_BLACKLIST=pcspkr TC_TFTP_BOOT=/srv/tftp Edit /etc/x2go/x2gothinclient_settings to change this. Installing X2Go TCE configuration into chroot environment... ------------------------------------------------------------ '/opt/x2gothinclient/etc/x2gothinclient_init.d/005_x2gothinclient-wipe-home' -> '/opt/x2gothinclient/chroot/etc/x2go/x2gothinclient_init.d/005_x2gothinclient-wipe-home' '/opt/x2gothinclient/etc/x2gothinclient_init.d/010_x2gothinclient-fresh-home' -> '/opt/x2gothinclient/chroot/etc/x2go/x2gothinclient_init.d/010_x2gothinclient-fresh-home' '/opt/x2gothinclient/etc/x2gothinclient_init.d/950_x2gothinclient-minidesktop' -> '/opt/x2gothinclient/chroot/etc/x2go/x2gothinclient_init.d/950_x2gothinclient-minidesktop' '/opt/x2gothinclient/etc/x2gothinclient-displaymanager_start' -> '/opt/x2gothinclient/chroot/etc/x2go/x2gothinclient-displaymanager_start' '/opt/x2gothinclient/etc/x2gothinclient_sessions' -> '/opt/x2gothinclient/chroot/etc/x2go/x2gothinclient_sessions' '/opt/x2gothinclient/etc/x2gothinclient-displaymanager_background.svg' -> '/opt/x2gothinclient/chroot/etc/x2go/x2gothinclient-displaymanager_background.svg' cp: cannot stat '/opt/x2gothinclient/etc/freerdp/known_hosts*': No such file or directory The host is a Debian 10 buster, a virtual machine on qemu/kvm. Any idea? Thanks in advance, Rod

2 2

X2go Server Float Windows?
by Rodrigo José Petreça 07 Jan '21

07 Jan '21

Hello Everybody! Please, i have a question! I am migrating an internal server, from fedora 11 + freenxserver, to debian buster + x2go server. The basic are working, but we have a custom application, it's a very simple application. I need to export xterm or gnome-terminal, and execute bash script, this script calls a simple text menu. The menu contains options, and this option calls some programs. on the freenx server i can export terminal and other applications in floating and separate windows, but i can't do this on x2go. When I access the x2go server from the x2go client, I can see all applications on 1 window only, like vnc access. It's possible to configure x2go server or client to float and separate windows? Thanks...

2 5

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