--- title: Unattended Upgrades --- [toc] ## Installation `# apt install unattended-upgrades` ## Configuration **NOTE: This configuration is tailored to my personal preferences. Feel free to do something else if you don't want what I'm doing** ### Enable automatic reboots If necessary, the server will automatically reboot. An example would be kernel updates. Edit `/etc/apt/apt.conf.d/50unattended-upgrades` ``` ... Unattended-Upgrade::Automatic-Reboot "true"; ... ``` ### Repo update time Create an override file for `apt-daily.timer` using this command `$ sudo systemctl edit apt-daily.timer` Add these lines between the two comments ``` [Timer] OnCalendar=*-*-* 2:00 RandomizedDelaySec=0 ``` ### Host upgrade time Create an override file for `apt-daily-upgrade.timer` using this command `$ sudo systemctl edit apt-daily-upgrade.timer` Add these lines between the two comments ``` [Timer] OnCalendar=*-*-* 4:00 RandomizedDelaySec=0 ```