...
You can also set these up as BASH functions in your .zshrc (or whatever)
If you would like to ssh or scp into mcclogin with one command, you can add the following lines to your
~/.ssh/config file
Host iris
HostName iris.slac.stanford.edu
HostKeyAlgorithms=+ssh-dss
User yourusername
Host mcclogin
HostName mcclogin
User yourusername
HostKeyAlgorithms=+ssh-dss
ProxyCommand ssh -YW %h:%p iris