You mean like for host in vps_hosts; do ssh $host < commands.sh > errors.log 2&>1 & done I imagine what you are really getting out of it is not havin

You mean like for host in vps_hosts; do ssh $host < commands.sh > errors.log 2&>1 & done I imagine what you are really getting out of it is not having to type the actual commands into commands.sh?