Excerpt from man: Snapper is a command-line program for filesystem snapshot management. It can create, delete and compare snapshots and undo changes done between snapshots. Snapper never modifies the content of snapshots. Thus snapper creates read-only snapshots if supported by the kernel. Supported filesystems are btrfs as well as snapshots of LVM logical volumes with thin-provisioning.

Excerpt: just a simple guide for getting started with git. no deep shit ;)

From Wikipedia: Chess is a two-player strategy board game played on a checkered board with 64 squares arranged in an 8×8 square grid.

From Wikipedia: Origami (折り紙, Japanese pronunciation: [oɾiɡami] or [oɾiꜜɡami], from ori meaning “folding”, and kami meaning “paper” (kami changes to gami due to rendaku)) is the art of paper folding, which is often associated with Japanese culture. In modern usage, the word “origami” is used as an inclusive term for all folding practices, regardless of their culture of origin.

Excerpt from man intel, option “TearFree”: Disable or enable TearFree updates. This option forces X to perform all rendering to a backbuffer prior to updating the actual display. It requires an extra memory allocation the same size as a framebuffer, the occasional extra copy, and requires Damage tracking. Thus enabling TearFree requires more memory and is slower (reduced throughput) and introduces a small amount of output latency, but it should not impact input latency.

This is a copy from the ZXing repo wiki pages at commit hash 3110236. ZXing is an open-source, multi-format 1D/2D barcode image processing library implemented in Java, with ports to other languages. Much has been said about 2D barcodes, and the discussion has focused on the format of the 2D barcode itself – QR Code, Data Matrix, and so on.

I’ve seen a lot of learning resources for Docker. Personally I think this is one of the better resources for beginners. Enjoy! Excerpt from the website: LearnDocker.online is the most comprehensive online Docker training program on the planet. LearnDocker.online

bmon is a monitoring and debugging tool to capture networking related statistics and prepare them visually in a human friendly way.

ncdu (NCurses Disk Usage) is a curses-based version of the well-known du, and provides a fast way to see what directories are using your disk space.

Excerpt from tldr.sh: The tldr pages are a community effort to simplify the beloved man pages with practical examples. Get more information at tldr-pages at GitHub.