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How to upgrade Ubuntu from an ISO image

I have Ubuntu 10.10 installed. Kindly let me know if there are upgrades for changing my version of Ubuntu. Thank you for your kind help.

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The issue here is Ubuntu 10.10, and not using online vs. ISO image to upgrade. –  david6 Dec 11 '12 at 6:59
    
The suggested duplicate is not 'best practise' and may not be suitable in this instance. –  david6 Dec 11 '12 at 20:12
    
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marked as duplicate by Ringtail, Marco Ceppi Dec 11 '12 at 15:17

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

2 Answers

For upgrading Ubuntu, go to the Update Manager. It has to tell you that a Ubuntu update is available since you are still on 10.10. If it does not tell you this, go to Software Sources to ensure that you allow the system to propose you Ubuntu updates when they are available. Once you see that a Ubuntu update is available on the Update Manager, click on the button near it and follow the instructions. Note that it might propose you intermediate upgrades before 12.10. I especially think to 12.04 LTS.

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You could only upgrade from 10.10 to 12.10 by first upgrading to 11.04, 11.10, then 12.04 LTS, and finally to 12.10 ..

Maverick: end-of-life reached on April 10, 2012

However, Ubuntu 10.10 (Maverick) is no longer supported, and so upgrading from 10.10 to 11.04 is also not supported.

  • Any upgrade should only be attempted if your are fully updated for the current release. Put more simply, the start and end points are both moving targets.

  • Any upgrade problems may directly relate to behavior of the unsupported release you are updating from. The upgrade can be attempted, but lacks 'support'.


Once you have your data and settings backed-up, you should do a fresh install of Ubuntu 12.04 LTS on your PC. There may be initial issues with drivers, but this should mostly be resolved by doing an update.

Once you have 12.04 LTS working, then try out (but do not immediately install) Ubuntu 12.10. This should also work on your PC, but will in turn be replaced by 13.04, etc.

I have successfully run 12.04.1 LTS on an HP Mini netbook (Atom processor, 1GB RAM) or ex-corporate desktops (P4 2.8GHz, 1GB RAM).



UPDATE:

Actually 11.04 is also no longer supported.

Natty: reaches end-of-life on October 28, 2012

The problem is that for releases that are no longer being maintained, upgrading from these releases may have issues which are not likely to be resolved. The release being upgraded to also needs to be supported, otherwise the user is on their own.

Ubuntu / Canonical do support longer usage (without upgrading), but only for the Long Term Support (LTS) iterations. These are usually released only every two years.

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How would you suggest this is done? Please provide reference information. –  david6 Dec 11 '12 at 8:22
    
That option keeps you on (for example) 10.04 LTS until 12.04.1 LTS is available. You do not get prompted to upgrade to 10.10, 11.04, 11.10, etc. It does not provide a 'magic' method of skipping (non LTS) releases. –  david6 Dec 11 '12 at 9:35
    
Then I think you got a problem: You should say that since 11.04 is not supported, upgrading from 10.10 to 11.04 is not supported. It feels weird when you are saying that since 10.10 is not supported, upgrades to 11.04 aren't supported too.... –  smartboyhw Dec 11 '12 at 12:37
    
See update, above. –  david6 Dec 11 '12 at 20:06
    
Now I can finally upvote it –  smartboyhw Dec 12 '12 at 8:29
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