Here I share my notes and code/configuration snippets collected over the years from various sources in the internet as I learned about things. Intended as a compact cheat sheet to quickly lookup precise details. Shared in hope they could be useful to someone.

Short introduction to GNU Emacs.
My notes about working with Emacs.
My Emacs configuration file. Emacs Lisp
GNU Operating system.
Data encryption and secure communication.
Computer virtualization
MySQL database.
Oracle database.
PostgreSQL database.
Blender 3D graphics and video editor.

Svjatoslav Agejenko homepage.