update lxc setup

Author: Patrick M

_posts/2022-12-18-lxc-setup.md

@@ -54,3 +54,25 @@ PermitEmptyPasswords no
 ```
 
 Once you've made the changes, you can restart the LXC and use SSH with your new user.
+
+## Unattended Upgrades Configuration
+
+Edit the following file.
+
+```bash
+sudo nano /etc/apt/apt.conf.d/50unattended-upgrades
+```
+
+Uncomment the following line
+
+```
+"origin=Debian,codename=${distro_codename}-updates";
+
+<--->
+
+Unattended-Upgrade::InstallOnShutdown "false";
+
+<--->
+
+Unattended-Upgrade::Remove-Unused-Dependencies "true";
+```