Ubuntu – How to uninstall mir

13.10mirunity

I followed the instructions here to install Mir on my laptop on Saucy 13.10.
Ubuntu Mir

It works well except for a known bug which causes the Laptop to go into low graphics after suspend.

So for a while I would like to go back to default without Mir. Ubsure how I can exactly get this done. What packages do I need to install to get back to default?

Best Answer

You should be able to remove Mir with the following:

sudo apt-get purge mir-demos unity-system-compositor

then run:

sudo apt-get autoremove

To remove any leftover dependencies. Reboot the machine.

To check if Mir was successfully removed run:

ps afx | grep unity-system-compositor

There should be no process with a name of unity-system-compositor.

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Ubuntu 13.10 Suspend Crashes – Fix Suspend Crashes and Black Screen on Wake in KDE

I found this workaround. I made a script that switches to console before suspend and switches back after resume.

I put attached script into dir /etc/pm/sleep.d. I gave it the name fix-black-screen and made it executable (sudo chmod +x /etc/pm/sleep.d/fix-black-screen).

#!/bin/bash

case $1 in
suspend)
    # Suspending to RAM.
    chvt 1
    sleep 1
;;
resume)
    # Resume from suspend.
    sleep 1
    chvt 7
;;
esac

Original fix found here.

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