Ubuntu housekeeping

Free up memory

  • Clean snap’s cached versions (Ubuntu’s application installer and manager): https://itsfoss.com/clean-snap-packages/
  • Clean apt cache: sudo apt-get clean (size of cache can be seen with du -sh /var/cache/apt/archives)
  • Clean old linux kernels: sudo apt remove $(dpkg-query --show 'linux-modules-*' | cut -f1 | grep -v "$(uname -r)") (source with nice detailed explanation). Don’t forget to run sudo apt autoremove after.
  • Clean apt cache: sudo du -sh /var/cache/apt to see how much space it’s taking, sudo apt clean to remove all cache, sudo apt autoclean to remove only obsolete cached items
  • du -sh to see the size of a directory/file

Create .desktop file

In the ~/.local/share/applications, create the <application name>.desktop file:

[Desktop Entry]
Encoding=UTF-8
Type=Application
Terminal=false
Exec=/path/to/executable
Name=Name of Application
Icon=~/.local/share/icons/path/to/icon

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