SSH configuration file

config

Host *
    # MacOS options to use Keychain for passphrases
    UseKeychain yes
    
    # MacOS option to add key when created or first used to Keychain
    AddKeysToAgent yes
    
    # Local keys for local->s1 and local->s2, allows local->s1->s2
    ForwardAgent yes

    # Reuse of ssh connection
    ControlMaster auto 
    ControlPath /Users/collard/.ssh/%r@%h:%p
    ControlPersist 600

# NOTE: Useful when local username is different than server username
Host devops
    HostName devops.uanet.edu
    User collard