Host * !mars !mother !helios
User root
StrictHostKeyChecking no
Host mars
User jozan
Host mother
User jozan
Host helios
User joe
Host hi-pi
User root
Host joe
HostName 10.10.10.6
Port 10022
Host al
HostName alcatraz.joe.town
Host git
HostName gitjoe.xyz
Port 22