Ssh warning permanently added to the list of known hosts

- Ssh warning permanently added ed25519 to the list of known hosts
- Warning permanently added ssh dev azure com rsa to the list of known hosts
- Ssh warning permanently added ecdsa to the list of known hosts
- Ssh disable warning permanently added to the list of known hosts
- Warning permanently added ' ssh github com 443 ed25519 to the list of known hosts
- Disable ssh root login
- Ssh config ubuntu