This is probably an easy thing to do but I found no answers while googling for it.
I have unattended-upgrades
installed and running successfully for the past few months. It will run again tonight - but I want to run it right now.
Is there a simple command to do so?
I know it is a cron job, ideally it would execute in the same context as it always does
I am running Ubuntu 12.04 LTS, if that helps.
You can execute unattended-upgrade with -d option to run it any time you want :)
Open terminal and execute this command:
It will start checking for available updates and if found it will upgrade your system.
In addition to this I also want you to go to this site:
https://help.ubuntu.com/18.04/serverguide/automatic-updates.html
May 24, 2018: Changing the URL for18.04 as 12.04 is expired.
Reply if you need any clarification.