Userdel command can be used to delete a user and related files in Linux. In most Linux distributions, the user home and mail spool directories are not removed when removing a user account with userdel. We are going through the…
The tar command bundles multiple files and directories into a single archive. It’s similar to zip, with one key difference: zip files are always compressed, while tar files can be compressed but don’t have to be. The most common form you’ll see—.tar.gz—is a tar archive compressed with gzip. Basic…
Passwd is a basic Linux command to change the user password on Linux. A root user can change the password for any account. A normal user may only change the password for their own account. We have summarized all the…
The tar command in Linux is used to bundle up multiple files and/or directories. It’s similar to the zip command. However, zip files are compressed by definition; tar files can be compressed, but don’t have to be. How tar Works…
Running low on disk space? Knowing how to find the largest files on a Linux system is a handy trick for freeing space fast. In this post we’ll use three tools—find, du, and ls—to track down the biggest files, with real command…
When a Linux server slows down, the first question is almost always the same: what is eating the CPU or the memory? This guide walks through the tools that answer that question—from the ones on every system to the specialized utilities worth…
CPU utilization is a key metric to determine how much CPU uses for a process. Today we will review why the CPU utilization for a process is over 100%. This can help us understand how CPU works on Linux. Understanding…
CPU run queue length and load average are key metrics related to system performance. We will review what these two CPU metrics mean today. What is CPU RUN Queue Length on Linux In Linux, a process can be either runnable…
find is a Linux/Unix command used to search for files and directories in a specified location based on certain criteria such as name, size, modified time, and ownership, among others. The exec option in find is used to execute a…
The userdel command is a Linux utility that can be used to delete user accounts and their associated files. Open the terminal and type userdel username. It performs this function by removing the user’s entry from the /etc/passwd file, and…
