Install and configure an operating system of the GNU/Linux family

[webknjaz]

• Install XUbuntu
• Learn about APT. Here and there
• Install Kitty terminal emulator
• Install Google Chrome but scroll to the section "Install Google Chrome on Ubuntu 18.04 LTS from the Command Line" and use it. No GUI-based install, please
• Install Git from PPA
• Install VS Code using this instruction, but without downloading *.deb file so find the line "The repository and key can also be installed manually with the following script:" and go from there

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N.B. If you use macOS, the main goal of this task is to make sure that you can manage things from the command line. For macOS, you'd probably want to replace APT usage in tasks w/ Homebrew where possible. Remember to avoid using GUI.

P.S. You may try using scripts @RootenberG works on right now, but they may be incomplete: kpi-web-guild/devspace#6