What is Automation?
Automation is nothing but performing system administration tasks without manual interventions, and complete the operations using specific tools/programs/scripts.
Example: Writing a script to backup the data from one server and run it using cron scheduler on every night.
Why the Automation is important for System Administrators?
My experience says ” if you ask a system admin to delete a single file from a set of 100 servers by login into each server one by one, he will be having 90% chances to make at least one human mistake during his task. And the mistake is not because of the person’s technical incompetence but it is because of natural human behavior called fatigue”. The Sysadmins are more prone to this fatigue when they are involved in such manual repeated work during their routine job. Read Full