Developing bash scripts lets you do a lot of work with little or no effort. This bash command cheat sheet will help you get started. Developing scripts in bash (short for Bourne-Again SHell) can be a ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...

When spending most of your day around bash shell, it is not uncommon to waste time typing the same commands over and over again. This is pretty close to the definition of insanity. Luckily, bash gives ...

Exploring data, one index at a time.

The select command in Linux is a versatile tool primarily used for menu creation in bash scripts. The command retrieves data from a specified list, which can be an array or other data source, and ...

Soon it will be 2016 — the Year of the Monkey in the Chinese Zodiac’s 12 year cycle. People born in these years (e.g., 1920, 1932, 1944, 1956, 1968, 1980, 2004, and now 2016) are supposed to be ...

Most of what we will do in this course can easily be done with a command- line window, sometimes called a shell window. The command-line window lets us type commands to run programs. By default, ...

The command line. You either love it or hate it, but if you do anything with a Unix-like system you are going to have to use it eventually. You might find marker ...

When you have running containers, there might be a time when you have to connect to that container to run a command or handle some maintenance. Of course, you can always access the running container ...