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Yesterday I installed Linux Ubuntu 18.04 for the first time on my laptop. I was just discovering and customizing my dock when I had the brilliant idea to simulate macbook touchpad.

I followed this link blindly :

https://int3ractive.com/2018/09/make-the-best-of-MacBook-touchpad-on-Ubuntu.html

First the mouse was not sensitive at all, and then I had the login loop problem.

Now I have no idea what to do since I'm an absolute newbie.

Azoulay Jason
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    Possible duplicate of Ubuntu gets stuck in a login loop – karel Apr 01 '19 at 16:01
  • I already tried this one, didn't work for me – Azoulay Jason Apr 01 '19 at 16:03
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    It took you 1 minute to try 45 answers and dismiss all of them. If I had already tried 45 answers and all of them failed I would be so frustrated by this experience that I would have even included this information about what I tried in the original question. – karel Apr 01 '19 at 16:06
  • you're right i'm looking right now – Azoulay Jason Apr 01 '19 at 16:06
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    You mangled Xorg, which is the classic cause of a login loop, and that includes in Ubuntu 18.04. – karel Apr 01 '19 at 16:09
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    It might be enough, to get rid of the file /usr/share/X11/xorg.conf.d/50-mtrack.conf although some of the other commands listed in the webpage seem wrong to me. Particularly the adduser command seems incorrectly structured. The dispad utility would also be suspect. – Charles Green Apr 01 '19 at 16:17
  • @CharlesGreen I had to sudo rm -r this one – Azoulay Jason Apr 01 '19 at 16:21
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    Which one was that? – Charles Green Apr 01 '19 at 16:22
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    You could likely could somehow reverse what you did, i.e, remove any created files, remove any startup apps, and make sure either xserver-xorg-input-libinput or xserver-xorg-input-libinput-hwe-18.04 is installed. In Ubuntu it must be installed to log in. (- the former is on 18.04.1 image, later is on the 18.04.2 image). Far easier & quicker to just do a fresh install as your current is borked and 1 day old. In the future beware of blog instructions, especially if you see sudo gedit .. , the blog is either very old or the blogger is ill-informed – doug Apr 01 '19 at 16:26
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    @doug Given the time invested already, you are probably correct that reinstalling might be easiest. – Charles Green Apr 01 '19 at 16:27
  • This is so much better than stackoverflow ! – Azoulay Jason Apr 01 '19 at 16:28
  • @CharlesGreen Why would the dispad utility would also be suspect ? – Azoulay Jason Apr 01 '19 at 16:31
  • Given the oddities on the original webpage, and the fact that dispad has not seem any updates in the last 4 years, I would suspect that it may have trouble with some newer systems (such as Ubuntu 18.xx). I may be wrong! I did not download the source and check over the scripts, let alone look at the source code. – Charles Green Apr 01 '19 at 17:08

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I resolved my problem by removing the file /usr/share/X11/xorg.conf.d/50-mtrack.conf just as @CharlesGreen suggested.

Azoulay Jason
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