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I used the 12.04 minimal installation image/ CLI installer to install the base operating system. Once the base system was installed I did the following:

sudo apt-get install python-software-properties
sudo add-apt-repository ppa:ubuntu-x-swat/x-updates
sudo add-apt-repository ppa:xorg-edgers/ppa
sudo add-apt-repository ppa:gnome3-team/gnome3
sudo apt-get update
sudo apt-get upgrade

At this point there were system upgrades which were downloaded and applied. I went on to install xorg nvidia-current gdm gnome-shell synaptic. Every step of the way I'd check for "upgrades" and after the initial bout of upgrades nothing was ever upgraded.

Once I rebooted, logged into the gnome desktop environment and started synaptic, however, on Mark All Upgrades Synaptic said:

To be upgraded
   linux-headers-generic
   linux-image-generic

It seems like that should've been upgraded during the installation, yes? But I'm using ppa which draw software newer than that which is available in Synaptic.

Will I downgrade the ppa installations I've already applied to the system by running the aforementioned upgrade through synaptic?

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1 Answer 1

Just run the following commands:

sudo apt-get update
sudo apt-get upgrade

That would take care of everything. As a general rule, you should not upgrade the kernel yourself.

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These kernel updates are unexpected and they're being offered through Synaptic immediately following a successful fresh install during which no further kernel updates were available at the command line. Should I still install them? –  user83982 Aug 17 '12 at 20:14

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