SSH known hosts store server fingerprints to prevent security risks. Learn how to use SSH known host commands to manage entries on Linux systems.

How do you do that? Let me show you. Let’s say you have a directory called SCRIPTS in your home directory. Let’s add that to the PATH. Log into your Linux machine and open a terminal window.

Here are some basic skills to get started with bash, one of the best shells for preparing and using scripts on Linux.

What the post-install script became was an automation dream for sysadmins. If you could describe all of the commands and configuration file changes you wanted to make to a system inside a shell script ...

A way to trigger the script from your local machine. A way to reload the DNS server. The script, of course, is a Bash script but it makes good use of Awk. My original template file format was simple.

I often profess that Linux can be used without the command line, but at some point, you might want to learn it anyway. When you do, consider these commands.

Generally when we think of shell scripts we think of editable text, but it's possible to add binary data to your shell script as well. In this case we're going to talk about adding a binary payload to ...