SSH-trix

Fingerprints

You have modern OpenSSH but admins didn't provide you with ECDSA and/or SHA256 fingerprints:

ssh -v -o HostKeyAlgorithms=ssh-rsa -o FingerprintHash=md5 hostname

ssh -v -o HostKeyAlgorithms=ssh-dss -o FingerprintHash=md5 hostname

Links

Control Master

Lägg in i ~/.ssh/config

Host *
       ControlPath ~/.ssh/master-%r@%h:%p
       ControlMaster auto