Unable to connect via VNC / SSH key of the machine

crc-error-79

Member
Apr 10, 2023
56
2
8
Italy
hello, it is the second time I fix this problem on this machine, do you guys know what could be the cause?

The first time it happened (3 weeks agi) I was moving a vm from another cluster machine, this time I just started up a vm and open its console inside of proxmox webgui

command used to fix:

Code:
ssh-keygen -f "/etc/ssh/ssh_known_hosts" -R "teti"

pvecm updatecerts


this is the error message log I got before fix it.

Code:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!

Someone could be eavesdropping on you right now (man-in-the-middle attack)!

It is also possible that a host key has just been changed.

The fingerprint for the RSA key sent by the remote host is
SHA256:2A16pBLk2yFXmMywIDo1L+SKmGIFWg3QZaKf40G1LOI.

Please contact your system administrator.

Add correct host key in /root/.ssh/known_hosts to get rid of this message.

Offending RSA key in /etc/ssh/ssh_known_hosts:5

  remove with:

  ssh-keygen -f "/etc/ssh/ssh_known_hosts" -R "teti"


Host key for teti has changed and you have requested strict checking.

Host key verification failed.

TASK ERROR: Failed to run vncproxy.
 

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