Category: Linux

How to Use the ip Command on Linux

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 […]

How to Use pushd and popd on Linux

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 […]

How to Use the awk Command on Linux

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 […]

How to Use SUID, SGID, and Sticky Bits on Linux

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 […]

How to Use netstat on Linux

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 […]