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README.md Added another tip and TOC. 2022-02-05 14:12:25 +00:00

README.md

Random Linux Tips (WIP)

0. Short example template.

  • Description: What is this good for.
  • Requires: Do you need any particular software (provide a link)?
  • How-to: Straight forward description and maybe a code example.
    • Detailled description if necessary.
    • $ sudo this is the actual code lol
  • Aditionally: Anything else that might be important like additional ressources.

[[TOC]]

1. Automatically clear cache.

  • Description: Move files older than a specific amount of time from your user's ~/.cache directory to the trash.
  • Requires: https://github.com/PhrozenByte/rmtrash.
  • How-to:
    • Add the following line to your crontab using the command "crontab -e" (or EDITOR=$editor crontab -e):
    • $ 0 17 * * * /usr/bin/find ~/.cache/* -mtime +7 -exec /usr/bin/rmtrash -rf {} ;
    • This command looks at files in ~/.cache every day at 5 p.m. and moves files older than 7 days to the trash.
  • Additionally: This can also be done using regular "rm" instead of "rmtrash".

2. Clean systemd journal.

https://wiki.archlinux.org/title/Systemd/Journal#Journal_size_limit
https://wiki.archlinux.org/title/Systemd/Journal#Clean_journal_files_manually

3. Syntax highlight for nano

https://wiki.archlinux.org/title/Nano#Syntax_highlighting

4. Repeat a command using watch.

5. Use sudo !!.

6. Prevent overwriting files.

  • Description: Use alias for rm, cp and mv.
  • How-to: Add the following alias into your ~/.bashrc.
    • Use -interactive option to get asked before overwriting files.
    • $ alias mv="mv -i"
  • Additionally: Further reading in the Arch wiki.