[winswitch] Question about install (SSHFP ?)

[Antoine Martin]

On 06/02/2021 22:50, Alain Aupeix wrote:
> Le 06/02/2021 à 15:49, Antoine Martin via shifter-users a écrit :
>> On 06/02/2021 21:10, Alain Aupeix via shifter-users wrote:
>>> Le 06/02/2021 à 14:18, Antoine Martin via shifter-users a écrit :
>> Just install the official xpra packages:
>> https://github.com/Xpra-org/xpra/wiki/Download
>> And things just work.
> 
> Ok, install is now ok, I have tried with this command, but it fails due
> to SSHFP
No, that's not the reason.
SSHFP is optional, it allows the client to verify the host keys through
DNS rather than the classic trust-on-first-use method you used below.

> alain at Gramps-JujuLand2:~$ xpra start ssh://alain@aupeix-GX723:22461/
> --start=xterm
> 2021-02-06 16:41:27,041 Xpra GTK3 X11 client version 3.0.13-r28351 64-bit
> 2021-02-06 16:41:27,251  running on Linux Ubuntu 16.04 xenial
> 2021-02-06 16:41:27,253  window manager is 'Xfwm4'
> 2021-02-06 16:41:27,296 Warning: failed to import opencv:
> 2021-02-06 16:41:27,296  No module named 'cv2'
> 2021-02-06 16:41:27,297  webcam forwarding is disabled
> 2021-02-06 16:41:28,234 GStreamer version 1.8.3 for Python 3.5.2 64-bit
> 2021-02-06 16:41:28,639 Connected (version 2.0, client OpenSSH_7.2p2)
> /usr/lib/python3/dist-packages/Crypto/Cipher/blockalgo.py:141:
> FutureWarning: CTR mode needs counter parameter, not IV
>   self._cipher = factory.new(key, *args, **kwargs)
> 2021-02-06 16:41:28,846 Warning: unknown SSH host
> The authenticity of host 'aupeix-GX723' can't be established.
> rsa key fingerprint is
> MD5:bf:c7:e4:45:6b:36:d5:2c:e5:fa:30:f2:f7:c6:27:cd
> SSHFP validation failed
> Are you sure you want to continue connecting (yes/NO)? y
> 2021-02-06 16:41:35,082 Authentication (publickey) successful!
> xpra initialization error:
>  connection failed: all SSH remote proxy commands have failed
My guess is that xpra is not installed on your remote host.

Cheers,
Antoine

> 
> Thanks
> A+
> -- 
> ------------------------------------------------------------------------
> *Alain Aupeix*
> Sites web : JujuLand <http://jujuland.pagesperso-orange.fr/> |
> Pissobi-Lacassagne <http://pissobi-lacassagne.pagesperso-orange.fr/> |
> Gadel <https://www.gadel-environnement.org/>
> ------------------------------------------------------------------------
> X.ubuntu 16.04 | H.arbour 3.2.0dev (r2020-11-03 09:37) | Hw.gui 2.22-4
> (r2934) | G.ramps 5.1.2
> ------------------------------------------------------------------------
>