x2go-user

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2317 discussions

Copy/Paste Xubuntu 18 and block inicial session
by Rodrigo José Petreça 10 Nov '22

10 Nov '22

Good morning people, I'm using X2go Server Client in my company. I'm exporting via ssh a simple application compiled in flagship 8. The export is ok, but if I open a screen and try to copy and paste the text, it doesn't work. This issue is only affecting xubuntu 18.04.05 The same server with client on windows or xubuntu 22.04 does not have the problem. Any tips to resolve this? Another thing, when opening x2goclient on windows or linux, we have several accesses configured all with custom command. Would it be possible to block this screen, so that the user cannot change the command? Sometimes the simple scroll of the mouse scrool ends up changing the configuration.

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Sound forwarding between linux server and linux client
by Leonid Titov 06 Nov '22

06 Nov '22

Hi all, I try to setup a remote desktop using x2go with a headless Linux VM as a server (Centos 8 Stream) and Linux desktop (Fedora 35) as a client. I have successfully set up generic desktop sharing and now fighting with sound forwarding. I have ticked 'Enable sound support' and chose 'Pulseaudio' at X2Go client (native X2Go v.4.1.2.2 QT client). I've configured the PulseAudio natie tcp module on both sides. However, I see only 'Dummy' sound device at remote end, and no sound at the client side. Can anyone help with suggestions, how to troubleshoot this setup? -- Best regards, Leonid.

1 0

Upcoming X2Go and orca e.V. sponsorship drive
by Stefan Baur 03 Nov '22

03 Nov '22

Dear $ALL, As you might know, a few years ago, at "X2Go: The Gathering 2017", several key members of X2Go as well as members from other Remote Desktop-/Remote Application projects joined together to form the Open Remote Computing Association - orca e.V. - a registered association under Germanys Civil Code and also registered as a charitable organization, similar to a 501(c)(3) organization in the US. This June, we joined betterplace.org for easier handling of donations. They offer PayPal, SEPA Direct Debit, Credit Card, giropay/paydirekt and Wire transfer. And they also handle issuing donation receipts for us. (Note that while donations towards orca/X2Go are tax-deductible for German tax subjects, this may vary in other jurisdictions.) The Commercial and Savings Bank Ulm, where orca's bank account resides, is planning a sponsorship drive for all charitable organizations registered with them via betterplace.org, starting Monday, 2022-10-24, 09:00 CEST and ending Friday, 2022-10-28, 23:59 CEST - so that's this week. They have pooled 17 500 EUR and will distribute them across all charitable orgs registered with them that receive donations. So it's not a 1:1 matching of each donation, but the org with the biggest amount of donations gets the biggest piece of the cake, so to speak. If you can, please visit the donation sites below and send a few €€€ our way. (But don't feel bad if you can't. Times are rough. We get that.) We'd prefer if you use the German-language donation forms because with these, we know for sure that the donation counts towards the bank's pledge. However, if you're afraid of hitting the wrong button in a German-language form, feel free to use the link that points to the English version. To donate towards X2Go: German: <https://www.wirwunder.de/projects/111056?wirwunder=235> English: <https://www.betterplace.org/en/projects/111056?wirwunder=235> To donate towards orca e.V., our umbrella org: German: <https://www.wirwunder.de/projects/111057?wirwunder=235> English: <https://www.betterplace.org/en/projects/111057?wirwunder=235> Kind Regards, and Thanks in Advance, Stefan Baur X2Go's Community Manager -- 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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Error in installing x2goclient
by Vikas Rawal 20 Oct '22

20 Oct '22

I am facing a strange error while trying to install x2goclient from AUR: 0001-Fix-redefinition-compile-error.patch ... FAILED ==> ERROR: One or more files did not pass the validity check! What could be causing this? V.

3 2

X2Go no longer works in 22.04, black screen
by Someone 17 Oct '22

17 Oct '22

X2Go with MATE desktop used to work fine, I've been using it for years, but after upgrading to 22.04 a few months ago, it is broken and I don't know how to fix it. If I try to connect with MATE (from Windows X2Go client), it shows a "New session started" popup, shows a blank window briefly, then closes. On the server, running `dmesg --follow` at the same time, I see: ``` [14238.559864] show_signal_msg: 3 callbacks suppressed [14238.559867] mate-session[129320]: segfault at 7f3200000060 ip 00007f325d65f52f sp 00007fff9ee3b250 error 4 in libgdk-3.so.0.2404.29[7f325d623000+83000] [14238.559876] Code: 57 82 fc ff 49 8b 9c 24 70 01 00 00 48 85 db 74 4e 49 89 c5 eb 0a 0f 1f 44 00 00 48 85 db 74 3f 48 8b 2b 48 89 de 48 8b 5b 08 <48> 8b 45 08 48 85 c0 74 e8 4c 39 e8 7f e3 49 8b bc 24 70 01 00 00 ``` If I try to use something other than MATE, like "Connection to local desktop" (which also used to work), it shows "Select desktop" with `:0` and `:1` as options. If I select either, and hit "View Only" or "Full Access", I just get a black window and nothing in `dmesg`. Same results from another Windows computer that used to work, so it's a server issue, not a client issue. https://askubuntu.com/q/1432163/5032

1 0

cups-x2go: Backend returned status 2 (authentication required)
by m.herweg＠gmx.de 16 Oct '22

16 Oct '22

Hi! I tried x2go-server on 2 diffrent computers both with Ubuntu 22.04. In both cases x2go works out of the box, but cups-x2go / x2go client-side printing does not. On my old server with Ubuntu 18.04 it works fine. I see the jobs in the print queue with the notice "held for authentification" any ideas what I can do to debug & fix this issue ? thank you! Martin

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incorrect keycodes when connecting from a Mac x2go client to an x2go server on Ubuntu
by Andrey Malyshev 12 Oct '22

12 Oct '22

Dear all, I suspect I’ve hit a bug. The problem is as follows: when connecting with the x2go client [4.1.2.2 (Qt - 4.8.7)] running on a Mac to a desktop session running on Ubuntu 22.04 (in the “X2G0/X11 Desktop Sharing” mode to the x2goserver version 4.1.0.3), some simple keystrokes on the client side generate spurious 3-keycode sequences, rendering the connection almost unusable. An example: the key “/” press/release on the client side generates the following sequence of key codes (xev output): KeyPress event, serial 28, synthetic NO, window 0x3600001, root 0x1ce, subw 0x0, time 486547, (1252,734), root:(1252,795), state 0x0, keycode 50 (keysym 0xffe1, Shift_L), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False KeyPress event, serial 28, synthetic NO, window 0x3600001, root 0x1ce, subw 0x0, time 486548, (1252,734), root:(1252,795), state 0x1, keycode 92 (keysym 0xfe03, ISO_Level3_Shift), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False KeyPress event, serial 28, synthetic NO, window 0x3600001, root 0x1ce, subw 0x0, time 486548, (1252,734), root:(1252,795), state 0x81, keycode 51 (keysym 0x7c, bar), same_screen YES, XLookupString gives 1 bytes: (7c) "|" XmbLookupString gives 1 bytes: (7c) "|" XFilterEvent returns: False KeyRelease event, serial 28, synthetic NO, window 0x3600001, root 0x1ce, subw 0x0, time 486548, (1252,734), root:(1252,795), state 0x81, keycode 50 (keysym 0xffe1, Shift_L), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False KeyRelease event, serial 28, synthetic NO, window 0x3600001, root 0x1ce, subw 0x0, time 486548, (1252,734), root:(1252,795), state 0x80, keycode 92 (keysym 0xfe03, ISO_Level3_Shift), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False KeyRelease event, serial 28, synthetic NO, window 0x3600001, root 0x1ce, subw 0x0, time 486660, (1252,734), root:(1252,795), state 0x0, keycode 51 (keysym 0x5c, backslash), same_screen YES, XLookupString gives 1 bytes: (5c) "\" XFilterEvent returns: False Other info: “setxkbmap -query” output is: rules: evdev model: pc105 layout: us,ru,us variant: ,, options: compose:ralt It does not matter whether I use my MacBook Pro internal keyboard or the bluetooth connected external PC105 type keyboard. What has been done: I have read the thread from 2019 on probably the same bug on this mailing list (https://www.mail-archive.com/x2go-user@lists.x2go.org/msg03409.html) but no solution was published there. I have tried all suggestions from the thread and other places, including trying to force the keyboard model/variant/layout/etc (BTW the rmlvo method didn’t work for me at all, but this is a different story) and switching on and of key conversion on connection, but nothing worked so far. This problem pops up only for connections to a desktop, if I run an app, e.g xterm, through x2go - everything is fine. I’d appreciate if somebody could give me a hint on what I could look into. Regards, Andrey

1 0

ssh error
by Vikas Rawal 08 Oct '22

08 Oct '22

Hello everyone, I am getting a new error with pyhoca-cli: paramiko.hostkeys.InvalidHostKey: ('192.168.0.127 ssh-rsa AABgQC7ZFjl2e+zxzL4wHBeHnntE5fno0AoGJJbI4IHmRbMmsM88bq9FLQlZ/UMAAAAB3NzaC1yc2EAAAADAQABAA96lmxTgFLEBJWMD+Ye+3UMJlfrsYCkSAj3192.168.0.195 ssh-ed25519 AAAAC3NzaCDW/dw1lZDI1NTE5AAAAIHRAkIk0Yfsf1H/0i5xizVZ+UogtQ62ze0zeOnW', Error('Invalid base64-encoded string: number of data characters (133) cannot be 1 more than a multiple of 4')) (I have mangled the key information in the error message above). I can ssh to the server and can use x2goclient without any problem. Strangely, I get a similar error with xpra. It seems to me that something has changed in a python library with a recent upgrade (since both pyhoca-cli and xpra worked without any problems earlier). But I can't seem to figure out what it is. Would appreciate help. V.

2 2

HTML5 install
by robert k Wild 05 Oct '22

05 Oct '22

hi all, i have seen X2Go server comes with a build in html5 plugin for clients, so they can access the client using there web browser instead of installing the actual client i have seen this how to https://wiki.x2go.org/doku.php/wiki:advanced:x2gohtmlclient but when it says " X2Go provides instructions for configuring the NGINX web server " where is that as i cant see it, or am i being stupid and missing it do i just need to edit the nginx conf and add this to the end? Text location ~ ^/x2gows/(.*)$ { proxy_pass https://127.0.0.1:$1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; proxy_http_version 1.1; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_intercept_errors on; proxy_redirect off; proxy_cache_bypass $http_upgrade; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-NginX-Proxy true; proxy_ssl_session_reuse off; thanks, rob -- Regards, Robert K Wild.

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htmlclient - xfce4 desktop freezes
by robert k Wild 05 Oct '22

05 Oct '22

hi all, just testing the html client for xfce and it freezes and i have no sound output i know the html client is still in proof of concept, is this why thanks, rob -- Regards, Robert K Wild.

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