zsh4humans ssh teleportation

by romka 1 year ago

GNU/Linux ◆ tmux-256color ◆ zsh 10158 views

zsh4humans is a config for zsh akin to Oh My Zsh, Prezto and Zim. One of its features is ssh teleportation. Whenever you ssh to a remote machine, you get the same shell experience as you have locally: prompt, bindings, aliases, etc. If the remote machine is missing some software (most notably, zsh itself), it’ll be installed automatically in the home directory without requiring superuser privileges. In addition, command history can be shared between different machines.

I’ve recorded a demo of ssh teleportation. It may be too fast to follow, so you might want to hit space to pause/unpause to make viewing more comfortable.

Docs are here and here. I wouldn’t recommend trying zsh4humans if you aren’t already comfortable with zsh configs. If you do decide to try it, read all tips linked above and follow as many as you can. The default experience is decent but it’s a far cry from what you can achieve with a personally tailored config. Many features, including ssh teleportation, need to be explicitly enabled.

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You can download this recording in asciicast v2 format, as a .cast file.

Download

Replay in terminal

You can replay the downloaded recording in your terminal using the asciinema play command:

asciinema play 542763.cast

If you don't have asciinema CLI installed then see installation instructions.

Use with stand-alone player on your website

Download asciinema player from the releases page (you only need .js and .css file), then use it like this:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="asciinema-player.css" />
</head>
<body>
  <div id="player"></div>
  <script src="asciinema-player.min.js"></script>
  <script>
    AsciinemaPlayer.create(
      '/assets/542763.cast',
      document.getElementById('player'),
      { cols: 78, rows: 24 }
    );
  </script>
</body>
</html>

See asciinema player quick-start guide for full usage instructions.

While this site doesn't provide GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility - agg.

Once you have it installed, generate a GIF with the following command:

agg https://asciinema.org/a/542763 demo.gif

Or, if you already downloaded the recording file:

agg demo.cast demo.gif

Check agg --help for all available options. You can change font family and size, select color theme, adjust speed and more.

See agg manual for full usage instructions.