If you have multiple Linux servers out there and have been managing them by hand, there's a better way. You have probably heard of Chef, Puppet, and Ansible, and might have heard that Chef and Puppet are a bit troublesome to get up and running. But there's a simpler way to just connect to a few of your Linux (or BSD) servers and run commands on them.
Example: Tell me what OS and version is running on all my servers
Step 1. Set up your ansible hosts file.
Quick version: Create the file named 'hosts' and put
servername ansible_ssh_host=hostname in the...