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I want to upgrade to 12.04.1 from 12.04 LTS. Is it possible? If possible then How?

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@Alvar 12.04.1 came out today – Craigy Aug 24 '12 at 17:30
Type lsb_release -a to check, you're probably already in 12.04.1 if you've done all the updates. – Peachy Aug 25 '12 at 6:33

You don't need to do anything special. Just update your PC either using the Upgrade Manager (how you normally get updates) or use the following command:

sudo apt-get update
sudo apt-get dist-upgrade

There isn't anything special about the point releases, they are just bundled updates. It's more for when you download an iso, so it will have more of the updates already.

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Is it safe? Can something drastically change during upgrade? – Eugene Apr 26 '14 at 9:34
As has been stated, all the point releases are are bundled updates for ISOs. They are just regular updates. – reverendj1 Apr 28 '14 at 18:02

If you are running 12.04 with all the updates you are running 12.04.1

12.04.1 is just a "point release", which adds the updates into the ISO file. You can read about the process here. It is not a distribution upgrade so you won't see the option to upgrade in update manager.

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To verify if you have updated to Ubuntu 12.04.1 LTS. Run this command on your Terminal:

cat /etc/issue

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