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...

The httpbin.org is a web service that accepts HTTP requests and returns a response. It is useful for testing HTTP clients using various HTTP methods, status codes, response formats, and...

While working with image processing, one of the first steps is load an image from a file. OpenCV provides imread function that enables to load an image from a file...

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...

The gifsicle is a command line tool that can be used to create, edit, optimize, retrieve information, and perform other operations with GIF images. This tutorial shows how to install...

Siege is an open-source tool for HTTP load testing and benchmarking. It allows to test web application by sending specified number of user requests simultaneously. This tutorial demonstrates how to...

Siege is an open-source HTTP load testing and benchmarking tool. This tool enables to test web application by sending specified number of user requests simultaneously. This tutorial explains how to...