multi_platform_ubuntu Configure APT to remove all software components after updated versions have been installed. ^/etc/apt/apt.conf.*$ ^(?i)[\s]*Unattended-Upgrade::Remove-Unused-Dependencies(?-i)(=|[\s]+)\"(yes|true|1)\";.*$ 1 ^/etc/apt/apt.conf.*$ ^(?i)[\s]*Unattended-Upgrade::Remove-Unused-Kernel-Packages(?-i)(=|[\s]+)\"(yes|true|1)\";.*$ 1