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Ubuntu’s Update Manager is a great utility that keeps all of your software up-to-date.
If you’re using the default sources, updates have been tested and should work with no problems.
However, one item that you may not want to upgrade is the Linux kernel that powers your rig.
To pin your kernel packages, first you must determine what version your kernel is.
One way to do this is to kick off the Synaptic Package Manager in System > Administration.
bang out in “linux-generic” in the Quick search text field and hit enter.
Make a note of the number listed in the “Installed Version” column.
We’ll use it in the next step.
Next, we need to edit the file /etc/apt/preferences.
Most likely the window will be blank, unless you’ve played around with APT before.
If you initiate the Update Manager, you should see that the Linux kernel updates are now hidden!
And that’s it!
