How to update collector from Ubuntu 24.04 to 26.04

Check current version lsb_release -a. Should output 24.04
Update agent and any other outdated packages.

sudo apt update sudo apt-get upgrade -o APT::Get::Always-Include-Phased-Updates=true
When prompted, press 'Y' and ‘Enter’ to confirm the upgrade process.
Proceed with OS upgrade.
sudo DEBIAN_FRONTEND=noninteractive do-release-upgrade -d -f DistUpgradeViewNonInteractive
The need for -d should be recorded as a current limitation of the Noble-to-Resolute test path because at the time of writing this document Resolute was not enabled in the normal LTS upgrade channel.
If the release-upgrade tool installed is not found, install it, then repeat step #3.
sudo apt install update-manager-core
This will launch the upgrade to 26.04 in non interactive mode, will go through a default installation.
Reboot the VM.
Check for upgraded version with lsb_release -a
Modify auvik-agent’s source. Ubuntu doesn’t automatically expect resolute versions of all it’s packages, there’s an additional step to enable further apt updates of the auvik-agent.
These steps will point the update sources of the package to the resolute version and re-enable it:

sudo sed -i 's/^# deb/deb/' /etc/apt/sources.list.d/auvik-agent.list.disabled sudo sed -i 's/noble/resolute/g' /etc/apt/sources.list.d/auvik-agent.list.disabled sudo mv /etc/apt/sources.list.d/auvik-agent.list.disabled /etc/apt/sources.list.d/auvik-agent.list sudo systemctl enable --now auvik-agent

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