Cluster management
Goal of this article is to give you a couple of tools to remotely manage multiple systems without having to do all the sneaker support. Managing Multiple clusters with ClusterSSH also known as CSSH. (Parts of this article adapted from: https://www.linux.com/learn/tutorials/413853:managing-multiple-linux-servers-with-clusterssh ) If you're a Linux system administrator, chances are you've got more than one machine that you're responsible for on a daily basis. You may even have a bank of machines that you maintain that are similar — a farm of Web servers, for example. If you have a need to type the same command into several machines at once, you can login to each one with SSH and do it serially, or you can save yourself a lot of time and effort and use a tool like ClusterSSH. ClusterSSH is a Tk/Perl wrapper around standard Linux tools like XTerm and SSH. As such, it'll run on just about any POSIX-compliant OS where the libraries exist — I've run it on Linux...