What are useful CLI tools for Linux system admins

System administrators (sysadmins) are responsible for day-to-day operations of production systems and services. One of the critical roles of sysadmins is to ensure that operational services are available round the clock. For that, they have to carefully plan backup policies, disaster management strategies, scheduled maintenance, security audits, etc. Like every other discipline, sysadmins have their […]
Continue reading…

 

What are better alternatives to basic command line utilities

The command line can be scary especially at the beginning. You might even experience some command-line-induced nightmare. Over time, however, we all realize that the command line is actually not that scary, but extremely useful. In fact, the lack of shell is what gives me an ulcer every time I have to use Windows. The […]
Continue reading…

 

How to access Linux command cheat sheets from the command line

The power of Linux command line is its flexibility and versatility. Each Linux command comes with its share of command line options and parameters. Mix and match them, and even chain different commands with pipes and redirects. You get yourself literally hundreds of use cases even with a few basic commands, and it’s hard even […]
Continue reading…

 

How to use awk command in Linux

Text processing is at the heart of Unix. From pipes to the /proc subsystem, the “everything is a file” philosophy pervades the operating system and all of the tools built for it. Because of this, getting comfortable with text-processing is one of the most important skills for an aspiring Linux system administrator, or even any […]
Continue reading…

 

How to speed up directory navigation in a Linux terminal

As useful as navigating through directories from the command line is, rarely anything has become as frustrating as repeating over and over “cd ls cd ls cd ls …” If you are not a hundred percent sure of the name of the directory you want to go to next, you have to use ls. Then […]
Continue reading…