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I want to reverse all my Ubuntu modifications and return the system to factory settings. I've installed useless stuff and now I want to uninstall everything I manually installed/factory reset.. Is there a way to do that?

I read this article, Reinstall Ubuntu from command line, and it told me to run this:

sudo dpkg-reconfigure -phigh -a

Then this:

sudo apt-get install -f

But Ubuntu can't figure out even what the first one means. It tells me unknown option -a. If you have another way of reinstalling Ubuntu to factory settings I would love to hear it!

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AFAIK, there is no way to "reset" Ubuntu. You can't even do that on Windows 7 unless there is an OEM-provided recovery partition...


Just burn the latest ISO to a DVD and reinstall.

Easiest way, plus you'll get 16.04's new features :)

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  • Wait your telling me to uninstall 15.10 and install 16.04 ? And what new feautures does it have exactly?
    – amanuel2
    May 4 '16 at 2:06
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    @Dsafds - You can completely overwrite 15.10 during the 16.04 install. One new feature is being able to move the dock to the bottom of the screen. May 4 '16 at 2:08
  • Hm ok.. i think ima just install ubuntu 16.04(which i didnt know came out).. and then remove ubuntu 15.04 from my vmware... i use ubuntu for dev purposes
    – amanuel2
    May 4 '16 at 2:11
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Recently there is appeared a new tool to get this. Its name is Resetter, and you can find it here on Github.

With Resetter you can completely clean up your system or choose what you want to remove.

How to install (nowadays) it's via the newest deb file:

sudo dpkg -i resetter_0.0.?-beta_all.deb

Then you can run it directly:

resetter

And now choose Automatic Reset or Custom Reset. You'll be asked for a new administrator user and password (don't forget it)

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  • Please share the instruction to install and use. Also notice that it is still in early beta stage. So it should be used with caution Apr 5 '17 at 8:53

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