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Pngquant is a free, open source and cross-platform command-line lossy PNG compressor. It is based on a portable libimagequant library and is written in C99. It reduces the file size significantly by converting the PNG image to more efficient 8-bit PNG format and preserves full alpha transparency. As you may already know, 8-bit PNG files are often 60-80% smaller than 24/32-bit PNG files. The images compressed using Pngquant are fully-compatible with all web browsers and operating systems. Pngquant can compress one or multiple images at once.
Command-line translator using Google Translate, Bing Translator, Yandex.Translate, etc.
A Commandline Tool That Offers Quick Access to Files and Directories. Fasd (pronounced similar to "fast") is a command-line productivity booster. Fasd offers quick access to files and directories for POSIX shells. It is inspired by tools like autojump, z and v. Fasd keeps track of files and directories you have accessed, so that you can quickly reference them in the command line.
Password management should be simple and follow Unix philosophy. With pass, each password lives inside of a gpg encrypted file whose filename is the title of the website or resource that requires the password. These encrypted files may be organized into meaningful folder hierarchies, copied from computer to computer, and, in general, manipulated using standard command line file management utilities.
In order to use a GnuPG key on a smartcard or Yubikey, a GnuPG key needs to be created. This post will show you how to create a GnuPG key with sub-keys for signing, encryption and authentication. The authentication key can be used later on to authenticate via ssh as well.
CLI based audio visualizer.
Command line visualizer. Supports mpd, with experimental support for alsa and pulseaudio.
cli-visualizer is a command-line visualizer. Music visualization generates animated imagery based on a piece of music. Free and open source software.
Tomb is an 100% free and open source system for file encryption on GNU/Linux. It simply makes gpg dm-crypt and cryptsetup usable in a variety of situations.
Written in bash.
Today I want to talk about fzf and ripgrep, two tools I use all the time when working in Vim and the terminal. They have become an absolutely vital part of my workflow. Ever since I started using them I can’t imagine myself functioning without them anymore.
Tired of kubernetes tools that don't prioritize user experience?
Sanic allows you to define commands and configuration on a per-environment basis with ease.
Sanic uses Buildkit, cutting edge technology which builds your images concurrently and efficiently.
Sanic allows you to define deployments using a templating language your team already understands.
The lazier way to manage everything docker. Contribute to jesseduffield/lazydocker development by creating an account on GitHub.
If you're living life at your terminal emulator anyway, why not have a little fun while you're there?
Just because you prefer working in a text-mode interface doesn't mean you're not entitled to a little fun here and there.
Last December, I took some time out before the holidays to explore some of my favorite command-line diversions into a series for Opensource.com. It ended up being a bit of an advent calendar for terminal toys, and I got some great suggestions from readers.
The timeout script is a useful resource monitoring program for limiting time and memory consumption of processes in Linux. It allows you to run programs under control, and enforce time and memory limits, terminating the program upon violation of these parameters.
This article compares navigating a computer desktop without the desktop. That is, this article demonstrates how to use a terminal to move around and browse your computer as you would on a desktop, but from a terminal instead.
While the terminal may seem mysterious and intimidating at first, it's easy to learn once you realize that a terminal uses the same information as all of your usual applications. There are direct analogs for everything you do in a GUI to most of the everyday activities you do in a terminal. So instead of starting your journey with the shell by learning terminal commands, begin with everyday tasks that you're already familiar with.
- View file lists (
ls
) - Open a folder (
cd
) - Close a folder (
cd ~
) - Navigate directories (
cd
) - Absolute paths
A small tool that could store, version, retrieve, and format our application configurations in order to keep sync between coworkers and environments.
Treating everything as a string is the way through which the great power and versatility of UNIX tools is achieved. However, sometimes the constant parsing of strings gets a bit cumbersome.
UXY is a tool to manipulate UXY format, which is a basically a two-dimensional table that's both human- and machine-readable.
The format is deliberately designed to be as similar to the output of standard tools, such as ls or ps, as possible.
UXY tool also wraps some common UNIX tools and exports their output in UXY format. Along with converters from/to other common data formats (e.g. JSON) it is meant to allow for quick and painless access to the data.
Explains how to Generate two-factor authentication code from your Linux oathtool command line & encrypt totp key with gpg2 for privacy and security reasons.
The xargs utility allows you to build and execute commands from standard input. Xargs is usually used in combination with other commands through piping. In this tutorial, we'll cover the basics of using the xargs command.