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Repair ubuntu 12.10 installation

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http://askubuntu.com – I installed ubuntu 12.10 lately. But some problems seemed to occur. Brightness control not working. Mouse flickering randomly. I downloaded a newer version of ubuntu 12.10 and after booting it as live found out that these problems is fixed in that version. I found out that some files like sys->class->backlight was empty in the first one. How can I upgrade my current installed version with the newer one or repair it using bootable disc of the newer version, so that I dont need to reinstall all the softwares. (HowTos)

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Submitted by funckax on 01/18/2013 – Made popular on 01/18/2013

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Hello,

I have an older computer that's pretty outdated. I had Ubuntu 9.10 installed on it but in an attempt to upgrade it, the OS is now no longer usable. I found a 9.10 live CD which I can run but installation has become a problem.

When I tried using a newer CD, I get an error that the CD was created too fast so it can't be read.

I've installed apache2 on my ubuntu machine using the apt-get package manager. It installed apache 2.2.16. I'd like to upgrade to the latest (or at least a newer version) of apache2 but apt-get upgrade and update don't seem to find a newer version. When I type

apt-get install -s apache2

It tells me

apache2 is already the newest version.

Do I need to download this package manually?

I'm running centOS 6.3 which comes with gcc 4.4.6 and I installed gcc 4.6.3 using these instructions.

But when I type gcc -v it still says gcc 4.4 is the version I'm using. The newer version is under /opt/gcc-4.6.3.

When I run a make command do I have to specify a path to use the newer gcc? If so how do I do this, or can I replace the older version fully with the newer one? Thanks in advance.

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sudo aptitude install build-essential

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I will be talking soon about the advantages of upgrading or installing a newer release of Ubuntu instead of sticking to an older version.

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After installing the Ubuntu multiverse to play restricted media files, I came across an error where the file would begin to play with only sound and no video, and all other computer activities would freeze including the mouse and keyboard.

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Hi, I'm a Suse newbie and Windows-User.

I recently installed Suse 11.1 from the Live CD on an older PC. Suddenly, when booting up yesterday, the system announced corrupted IPtables and didn't load KDE. After login, I tried commands like KDE, run KDE but the bash didn't understand the commands.