So now that Ubuntu 15.04 is out, I tried to update my system. I opened the software update center and it gave a small security update from a few days ago, but no mention of a new version of Ubuntu. What am I to do?


14.04 is an LTS version. By default it will only upgrade releases every two years when the next LTS comes out. In Ubuntu Software Center go to Edit...Software Sources... click the Updates tab, then change the drop down "Notify me of a new Ubuntu Version" from

For long-term support versions


For any new version

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