Identification error from host in SSH host key change

Asked By 0 points N/A Posted on -
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Hello,

On my desktop this message appeared without any reason. My laptop was free, all the processes closed and still. When I clicked Cancel nothing happened and it appears again. If I click OK this message disappears but it appears again when I turn on my laptop. Can anyone help me please to fix this one ? What identification it says about ?

Thank you experts !

SSH Host Key Change

The host identification has changed for:

Myhost.mydomain.com

The fingerprint of the host public hey is:

Xehar-mediz-fykop-konad-nymah-betop-nadez-vizum-saxax

This might indicate a security breach. Please contact your system administrator for more information.

Would you like to connect anyway.

Cancel OK

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Answered By 0 points N/A #178043

Identification error from host in SSH host key change

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It happens because the public key of the remote machine has changed since your last login or if you reinstall the OS on your server.
1. Try to delete the known_hosts file:
rm ~/.ssh/known_hosts
2. Or to disable SSH key checking :
Go to the ~/.ssh/config (if doesn't exist, create it)
Host *
StrictHostKeyChecking no
This will turn it off for all hosts you connect to.
You can write hostname pattern instead of * if you want to apply to only some hosts.

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