Fatmawati Achmad Zaenuri / Shutterstock There are many ways to get information about memory usage in your Linux system. In this overview, we will cover the most commonly used command line methods: free, vmstat and top. We will also directly examine the reading of / proc / meminfo. How Linux […]
Look, you don’t need a sophisticated web-based lyric generator to create a custom handwashing PSA based on your favorite song. You just want it. Trust us. If you’ve heard advice on how to wash your hands well, one thing stands out: people don’t wash their hands long enough. The classic […]
Fatmawati Achmad Zaenuri / Shutterstock $ PATH is one of the silent manipulators in the background of your Linux computer. It quietly affects your user experience, but there is nothing gray about it. We will explain what it does and how you can adjust it. What is $ PATH on […]
Fatmawati Achmad Zaenuri / Shutterstock You can configure IP addresses, network interfaces, and routing rules on the fly with the Linux ip command. We’ll show you how you can use this modern replacement for the classic (and now obsolete) ifconfig. How the ip command works With the ip command, you […]
Fatmawati Achmad Zaenuri / Shutterstock Many Linux users have never heard of pushd and popd, but they have been around forever. They can also significantly speed up the process of navigating directories on the command line. We will explain how to use them. What are pushd and popd? One of […]
Fatmawati Achmad Zaenuri / Shutterstock On Linux, awk is a command line text manipulation dynamo, as well as a powerful scripting language. Here is an introduction to some of its most interesting features. How awk got its name The awk command was named using the initials of the three people […]
Fatmawati Achmad Zaenuri / Shutterstock SUID, SGID and Sticky Bits are powerful special permissions that you can set for executables and directories on Linux. We will share the benefits and potential pitfalls of using them. They are already used Integrating security into a multi-user operating system poses several problems. Take […]
Fatmawati Achmad Zaenuri / Shutterstock You can use the Linux traceroute command to locate the slow part of a network packet’s route and troubleshoot slow network connections. We will show you how! How traceroute works When you appreciate how traceroute works, it makes it easier to understand the results. The […]
Fatmawati Achmad Zaenuri / Shutterstock The Linux netstat command gives you a wealth of information about your network connections, the ports that are used, and the processes that use them. Learn how to use it. Ports, processes and protocols Network sockets can be connected or waiting for a connection. Connections […]
Fatmawati Achmad Zaenuri / Shutterstock If you want to merge data from two text files by matching a common field, you can use the Linux join command. It adds a dash of dynamism to your static data files. We will show you how to use it. Data match between files […]