UUID (Universally Unique Identifier) is a 128-bit number that often represented as a hexadecimal string. It can be used for uniquely identifying objects. The uuidgen is a command line tool...
Ubuntu
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...
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...
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...
WebSocket is a two-way communication protocol over a TCP. Websocat is a tool that allows to use WebSocket client or server via command line. It can operate in client mode...
The pngquant is a tool which allows compressing PNG images via command line. To reduce the size, images are converted to 8-bit PNG format with alpha channel. Usually, 8-bit PNG...
One of the ways to free up disk space on the system is to delete the duplicate files. The fdupes is a tool that enables to find duplicate files and...
The act is a command line tool that allows to run GitHub Actions in local environment. It reads .github/workflows and determines the set of actions that need to be run...
The jpegoptim is a tool that enables to compress JPEG and JPG images via command line. It supports lossless optimization based on Huffman tables and lossy optimization where user can...
Reading and analyzing the log files in white text on a black background can be difficult and take a lot of time. Colorized log files is one of the solutions...