blog/source/_posts/2025-02-08.md

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Unable to get SSH host key due to short timeout 2025-02-08

Some servers can be a bit slow in responding to host key request, so ssh-keyscan may return empty result when using the default 5 seconds timeout. A workaround is to increase the timeout, ssh-keyscan -T 10 hostname for 10 seconds.

Noticed this issue from host key verification error when mirroring a GitLab repository to an external repository. I could not fix it because I can't modify the SSH client configuration in GitLab.com to increase ConnectTimeout.