SSH Agent Plugin This plugin allows you to provide SSH credentials to builds via a ssh-agent in Jenkins. https://plugins.jenkins.io/ssh-agent/

If you've got the host

SSH Agent Plugin

This plugin allows you to provide SSH credentials to builds via a ssh-agent in Jenkins. https://plugins.jenkins.io/ssh-agent/

If you see this error again, run this command one time from Jenkins job:

ssh -o StrictHostKeyChecking=no user@host hostname

After that, you can simply run ssh from Jenkins job:

ssh user@host hostname