Unattended Upgrades config

pages/02.linux/29.unattended-upgrades/default.en.md

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+---
+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
+```
+