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I have an Ubuntu 12.04 and I've installed KDE desktop on it & I installed a lot of programs on it too. Is it safe to upgrade my Ubuntu to 12.10? Will my programs still works & I won't need to re-install them? Will my kde desktop still works with gnome ?
Thanks

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It's not 100% safe. 12.04 is a long term support version. Stick to that if you are not up to the experiment. About 10% of Upgrades cause troubles. You could of course clone your disk onto another one, upgrade and then revert if something goes wrong. –  con-f-use Oct 23 '12 at 12:49
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closed as not constructive by Anwar Shah, Thomas W., LnxSlck, devav2, Tachyons Oct 23 '12 at 13:51

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8 Answers

I personally think, you should wait for sometime till 12.10 get more stabilized. Upgrading from 12.04 to 12.10 is quite straight forward and painless process. I've successfully upgraded two boxes already.

Or else, you can configure a virtual machine (you can use virtual box) with Ubuntu 12.04 installed and configure the desktop as in your laptop and do an upgrade. Just see how it goes. If you are okay with the result, consider upgrading it.

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Yes it is safe

It is safe If you have stable internet connection, installed programs will be upgraded, But still backuping data is highly recommended

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not every app will be upgraded there still a lot of unsupported programms that works in 12.04 but they are missing for 12.10 release. –  polarkatenuchie Oct 23 '12 at 12:11
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I just upgraded Ubuntu from 12.04 to 12.10 via the update manager and everything is still here. All my programs work without a re-installation.
The only change is that my PPA for third party are not compatible anymore (they were meant for 12.04)

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The answer depends on your system. Give basic info about it, like the CPU (Make, Model, clock-rate/frequency), RAM (type and size), HDD storage size, and the Graphics Card (Make & Model).

One BIG change that has come now is that Unity-2D has been discontinued. To check if Unity-3D will work, run the following command and post the output:

    `$ /usr/lib/nux/unity_support_test -p `
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Modem-manager in Ubuntu 12.10 is crashing in my machine(previous version running fine). This you have to take care.
If 12.04 was running properly, then 12.10 should have no problem.

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According to me , Fresh installation would be better choice to avoid problems after upgrading. One who require stable system with security updates can upgrade to 12.04.1 rather than 12.10. After up-gradation your application may not working perfectly. First I suggest to upgrade to 12.04.1 or Second one is fresh installation of 12.10 (you have to install all apps again).

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This can't be answered objectively. Upgrading always implies that there is a risk of death to your system. 12.10 is also capable of not running on your hardware, which is problematic. My suggestion: test 12.10 in teh Live environment and see whether it runs, and decide whether you want to upgrade or not on your own.

Personally, I run currentRelease - 1 on my own machines, and the LTS on my servers.

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I personally suggest not to upgrade for now. If you decide to do it i recommend do fresh install from dvd or usb you better have dedicated /home that will save all your files and you can back up package settings anytime to restore system.I red a lot of questions about issues from people getting errors during upgrade:unity panel is missing and not working, they got black screen trying to log in cause you have to delete proprietary drivers or the upgrade process running and not finishing.Until they fix problems in few mounts stay away from it.Ubuntu 12.04 LTS is stable and faster with more amount of apps availabale.Think for yourself what is better

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