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Some time ago I tried to upgrade my ubuntu version from 16.04 lts to 18.04 lts, the PC powered off during the upgrade.

So ubuntu broke making it enter in a log in loop. I follow all the internet tutorials to solve it, even changed from GMD to lightdm, nothing happened, I give up.

Now i start a graphic section opening a terminal (Ctrl + Alt + F6), logging in and using startx.

So I want to disable lightdm because: 1 it doesn't work. 2 to have more resources.

But here is the thing due to the unfinished upgrade of ubuntu I have kinda a "non-ubuntu" version of gnome, when I reboot my pc after the uncompleted upgrade of ubuntu I was surprised due my new desktop had no taskbar, just a little tab that says activities and at the right of it the activity that's running right now.

To be fair it is kinda clean, I accustomed to change between programs running with the keyboard but any ways, any help is appreciated

PD: after I rebooted my pc after the ubuntu upgrade it says that is is ubuntu 18.04

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  • 3
    Advice: Fix your broken release-upgrade first before tinkering with your display manager.
    – user535733
    May 11, 2021 at 15:50
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    If you only want to use a command line shell, you might as well remove xserver-xorg-core. But beware, there is no easy way to undo this.
    – Jos
    May 11, 2021 at 15:53
  • replay for 1: No, i don't want to only use the command line, i just want to disable the graphic section manager. replay for 2: i don't want to update my distro, because: 1: my pc doesn't meet the requirements of ubuntu 20.04 2: my pc has a emmc of 32 gb only(i know it's a crap but something is better than nothing)
    – Lucastegano X
    May 11, 2021 at 16:14
  • For both 16.04 and 18.04 you should be able to change the default systemd target - see for example How to disable GUI in Ubuntu
    – steeldriver
    May 11, 2021 at 17:16
  • I would not try and login to GUI, or make changes until you know the release-upgrade has completed... limiting yourself to terminal to ensure it's done.. Once release-upgrade has completed, you can reboot and will likely find you can log in normally; however with every change you make before then, the chances to re-install being required increase.
    – guiverc
    May 11, 2021 at 22:39

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