Searching, Installing and Removing Tools

apt update

• Update the local apt cache

apt upgrade

• Update packages and system
• Take a snapshot before you upgrade!

apt-cache search And apt show

• apt-cache search → Searches the cache for a keyword
• Searches the package description, not the package name
• apt show <package-name> | less to reveal why the package showed up in the cache search query

apt install

• Install a package

apt Remove --purge

• Completely removes the package
  • --purge also removes configuration files

dpkg

• Core tool to install a tool
  • For offline installations
  • does not install dependencies
  • Usage: sudo pdkg -i <path to .deb file>

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Relevant Note(s): Linux Basics