how do I switch to ubuntu recovery mode?

I am facing the the following issue as i ran some permission on sudo.

“sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set”

I think to resolve this issue, the following steps should work.

Switch to ubuntu recovery mode. mount -o remount,rw / mount --all chown root:root /usr/bin/sudo chmod 4755 /usr/bin/sudo restart

My question is how to switch to ubuntu recovery mode?


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For that you have to Contact Support. Open a ticket and ask them to mount Recovery ISO on your Droplet.