ubuntu posts

Server upgraded from Ubuntu 20.04 to 22.04

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My server was on Ubuntu 20.04, but due to the end-of-life of that LTS version next month, I have upgraded to 22.04. My server is managed with Vagrant / Ansible. My plan had been to do a new local VM on the newer version, get it working properly with Ansible, then set up a new server with it and migrate over. However, since Ubuntu isn’t releasing an official Vagrant box for 24.04 and beyond, I don’t think it makes sense to take that path. I may move over to Debian or look into Vagrant alternatives, but to get this done before EOL, I decided to just try a do-release-upgrade to upgrade the existing server in place.

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Custom logic for unattended upgrades reboot

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The Ubuntu / Debian unattended-upgrades package has an option to automatically reboot as needed when it upgrades packages. It will do this without user input, at a chosen time. However, it doesn’t allow for any conditions beyond need and time. I found a need for more nuance recently, so I had to disable the built-in functionality and set up my own script on a cron job.

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Automatically deal with conf changes using unattended-upgrades

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For Ubuntu servers, I use the unattended-upgrades package to automate keeping the system and packages up to date. I recently noticed some of Cogneato’s servers showing packages needing to be updated for multiple days. When I looked in unattended-upgrades.log (in folder /var/log/unattended-upgrades/), I found the message “WARNING Package something has conffile prompt and needs to be upgraded manually”. Basically, there was a change to a configuration file and it didn’t know how to handle it.

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