In this article you will learn how you can set up a quick and easy way to SSH onto any server without needing to remember the user or IP address.

Data loss will be costly. At the very least, critical data loss will have a financial impact on companies of all sizes. In some cases, it can cost your job. I’ve seen cases where sysadmins learned this in the hard way.

A collection of Linux SysAdm/DevOps interview questions with my answers

I n this article, I explore commands that every system administrator should know for troubleshooting, general housekeeping, and daily activities that you must perform.

You create a pair of keys using ssh-keygen. These are plain text and can be cut and pasted , copied, as required. One is private (e.g. id_rsa), and you need to protect this as you would any other security artifact such as server passwords, and you can optionally
secure with a pass phrase. The other is public (e.g.id_rsa.pub), and you can share with anyone.

The Glances tool offers more information about system performance than other sysadmin monitoring tools.