How to

This is a pesky and annoying problem. I often lock my Kali workstation and when I try to log back in the next time, the resolution changed to 640x480 instead of my standard resolution of 1280x1024. This is very simple way without changing any system files for fixing resolution problem …

bash history command is very useful. It gives you an complete view of what commands you ran. By default bash  historycommand will give you all your previous commands with Line numbers. It’s the default behavior. However when you’re trying to copy-paste those commands again, you have to manually remove those …

In computing, netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface (network interface controller or software-defined network interface) and network protocol statistics. It is available on Unix-like operating systems including OS X, Linux, Solaris, and BSD, …

This guide shows how to fix hung_task_timeout_secs and blocked for more than 120 seconds problem in Linux. A panic may occur as a result of a hardware failure or a software bug in the operating system. In many cases, the operating system is capable of continued operation after an error has occurred. …

This is a very common question and sometimes hard to find answer. How do you check which Apache modules are loaded in your HTTP / Apache server? The second part is, how do you check which modules are compiled and ready to be loaded? Following two commands will show you …