Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.

Control services, read logs, profile boot time, and inspect crashes with these four built-in systemd tools.

Some Linux commands are no longer in use. These commands may still be available, but it's best to avoid them. Each of these commands has a newer replacement. Over the decades that I've been using ...

The security vulnerability known as React2Shell is being exploited by threat actors to deliver malware families like KSwapDoor and ZnDoor, according to findings from Palo Alto Networks Unit 42 and NTT ...

The ransomware group known as Qilin (aka Agenda, Gold Feather, and Water Galura) has claimed more than 40 victims every month since the start of 2025, barring January, with the number of postings on ...

In Linux, user groups play a crucial role in managing access control and permissions for system resources. Understanding which users belong to specific groups can be essential for administrators and ...

The Linux terminal isn't nearly as hard as you think. Understanding the fundamentals will help get you started. These concepts apply to all Linux distributions. When many think about Linux, they think ...