Remove Directory Recursively in Linux

Remove Directory Recursively in Linux

Directory can contain many subdirectories and files inside it. When working with filesystem in Linux, might be need to remove all files and subdirectories contained in a directory. This process...
Clear Bash History in Linux

Clear Bash History in Linux

In Linux operating system all executed commands are tracked and stored in the history file. It can be used to view and recall the past commands. However, for security reasons...
Clear Swap Memory in Linux

Clear Swap Memory in Linux

Swap memory is a storage space on the disk which is used when there is no RAM space available for programs execution. Can happen that system uses swap memory even...
Clear DNS Cache on Ubuntu 20.04

Clear DNS Cache on Ubuntu 20.04

DNS server is used to translate domain names to specific IP addresses. DNS cache is a temporary storage that contains domain to IP mapping information about websites which recently was...
Clear APT Cache

Clear APT Cache

APT package manager allows to install packages on Debian, and Debian-based Linux distributions. APT store copy of the Debian packages (.deb) in the cache. It helps when want to reinstall...
Install whowatch on Ubuntu 20.04

Install whowatch on Ubuntu 20.04

The whowatch is a tool for monitoring users and processes via command line. It shows the currently logged in users and information about them such as login name, home directory,...
Install Grype on Ubuntu 20.04

Install Grype on Ubuntu 20.04

Grype is a command line tool for scanning the contents of a container image or filesystem in order to find known vulnerabilities. This tutorial explains demonstrates how to install Grype...