This guide is for the people who only want to get this thing done where you only type
ssh remotehost
to ssh to your server at with the user u3321445longandunhandy on a windows pc with cygwin. Do you want to know more?

This glab post is essentially about running a certain shell command remotely on multiple systems within a network that has been set up for public-key authentication. It's a standard task for experienced system administrators I am sure, but for me it was a little adventure in bash scripting — and I wanted to share it with you. Do you want to know more?