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I used to use x2go for tunneling my entire remote desktop over SSH, but recently trying it yielded no success.

This is the error:

Connection failed. * keychain 2.8.4 ~ http://www.funtoo.org * Found existing ssh-agent: 7185 * Known ssh key: /home/w/.ssh/id_ecdsa 

I am running keychain to manage my ssh keys, but I don't see that being an issue. I also have google authenticator setup (2-factor auth), but even disabled that in PAM to confirm that was not the culprit.

I don't see any errors in the logs and can see that it does take the public key, but beyond that, I haven't a clue what else could be going on.

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  • Do all expected keys show up in your list of cached keys with ssh-add -l ... and when disabling GA, did you also change the /etc/ssh/sshd_config from ChallengeResponseAuthentication yes to ChallengeResponseAuthentication no Dec 12, 2017 at 3:25
  • #1. yes, #2 yes - previously set. I also tried disabling compression, no change. Lastly, I was thinking I changed the ciphers and host key algorithms a while back without having tested x2go, let me try finding a wider set of algorithms to see if that may be it. Also, is it related to: X11 connection rejected because of wrong authentication.
    – Walter
    Dec 12, 2017 at 3:41

1 Answer 1

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I experienced the same problem. By adding --quiet when starting keychain in .profile, I could again use the x2go client to access the server.

eval keychain --quiet --eval --agents ssh....

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  • I am unable to validate this presently as I no longer have x2go setup on my machines.
    – Walter
    Aug 15, 2019 at 2:00

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