On 20/09/2022 04:43, Mika Laitio via shifter-users wrote:
Hi I am new user trying the xpra and I have couple of questions.
I amd using Mageia Linux 8 and my python version is 3.8.12.
I have installed the latest xpra from sources with command:

    python3 ./setup.py install --user
I am guessing that you are building from git master?

1) I try to execute the xpra with following command to connect
to another computer on ip 192.168.1.31 that is also running the mageia 8:
   xpra start ssh://lamikr@192.168.1.31 --start-child=xterm
but I am getting following error

xpra initialization error:
 invalid value for sync_xvfb: None int() argument must be a string, a bytes-like object or a number, not 'NoneType'
Any of these solutions should work:
* specifying "--sync-xvfb=0"
* building a stable version instead of git master
* "git pull" and install again

Should I use some different python version. (I know python is very incompatible between different versions)
No. There are no compatibility problems with any actively supported Python versions (from 3.6 to 3.11 inclusive) though you may need a fully up to date toolchain for Python 3.11

2) Do I need to install xpra also to computer that I try to connect
or is xpra deploying somekind of runtime app to host machine during the connection?
Yes, install xpra at both ends.
(you may skip installing the client if you use the html5 client instead)

https://github.com/Xpra-org/xpra/blob/master/docs/Usage/README.md
does not really mention anything about install requirements

3) Will xpra work with wayland + xwayland compination installed or do I need to run either the host or client machine on X11 desktop session?
Assuming that you want to run a seamless server ("xpra start") then this session will automatically start an X11 server for you to host the application you want to run. (ie: xterm)

On the client side, you can run any window manager / desktop environment you like, including Wayland. (though some features are not available with Wayland clients)
https://github.com/Xpra-org/xpra/wiki/Platforms

Cheers,
Antoine


Mika

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