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I seem to have broken some critical library bindings on my Ubuntu Studio set up by "upgrading" (and the quotes here do indicate a note of sarcasm) from Meerkat to Natty beta. The release version didn't fix what was botched. So, essentially, I have no way to run any app requiring GLX. Even glxinfo dies with a segment violation. Unity shrugs and drops me into classic mode automatically now too.

It's been 3 weeks, and I haven't found any suitable answers anywhere that will allow me to use this system the way I need to use it. So, I'm left with a final option - reinstall the system and see if it will work. (If not, I'll drop back to 10.10 until the world catches up again).

Question: is it possible to re-load the system from an .iso without having to also reformat/repartition the drive?

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3 Answers

When performing an installation using the CD we have the choice to update an existing system rather than reformatting the whole drive:

update

This feature will not work properly in a multi-boot setting.

In any case it is strongly recommended to update your data prior to upgrading

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Yes you can upgrade over your existing 11.04 install to the latest iso without issue.

As Takkat states there is issues upgrading using the CD on a multi boot system.

I dual boot Win7 and Ubuntu on separate hard drives and found this out the hard way when I upgraded my 10.10 installation to 11.04 using the CD method and it broke all manner of packages upon reboot.

To overcome the problem I simply booted into the live CD, chose the 'Something else' option instead and installed again without formatting and everything worked fine.

If you follow this method you will be OK.

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Good to hear you can do this on dual boot as well –  Takkat May 10 '11 at 21:18
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Thanks for your input. As it turned out, I decided to fully upgrade to a 64 bit (rather than continue with the 32 bit) configuration. Since I was being fairly aggressive, I grabbed what I couldn't simply replace and off-loaded the data onto every piece of gear I had in the house and took the plunge.

In a way, this turns out to be a much better configuration since I now have a separate /home, 64bit Ubuntu Studio and 64 bit Vista - which gets me to where I wanted to be when I tried dual booting the first time :/

All the apps are back up and I still have a few more things to work out, but that's where the fun is, right?

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