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Homepage disappeared after Ubuntu update

Audrey -  
mamiemando Posted messages 33174 Registration date   Status Moderator Last intervention   -
Hello,

I just installed an Ubuntu update, but I can't open my user page anymore.
Actually, I end up on a black page that asks me for a login and password. And when I type startx, I get to a single page with only a wallpaper. I can't do anything at all. No logo is displayed.

1 answer

  1.
    mamiemando Posted messages 33174 Registration date   Status Moderator Last intervention   7 944
     
    Hello,

    It's probably your desktop environment that hasn't been updated correctly. It would be interesting to know which version you started from and which version you ended up with. Furthermore, modern versions of Ubuntu now use Unity instead of Gnome. This change may explain your problem.
    https://doc.ubuntu-fr.org/gnome
    https://doc.ubuntu-fr.org/unity

    To fix it, there are two schools of thought:

    1) If you're new to Linux, the easiest way is to reinstall while being careful not to format /home so you don't lose your documents. I even recommend saving your important documents beforehand before reinstalling, even if you need help from the person who got you into Linux.

    2) If you're somewhat knowledgeable:

    a) Switch to text mode (ctrl alt f1) and log in.
    https://www.mistra.fr/tutoriel-linux-mode-texte.html

    b) Make sure the migration is complete. The best way to do this is to install and use aptitude, an equivalent to the Ubuntu software center when you lack a graphical interface: 

    sudo apt-get update
    sudo apt-get install aptitude
    sudo aptitude


    Once in aptitude, initiate an update: 

    uUgg


    ... then follow the instructions provided here:
    https://www.mistra.fr/tutoriels-linux-outils-debian/tutoriel-linux-apt-migration.html

    c) Once this is done, ensure that a graphical environment is installed (typically just install one of the packages 
    xubuntu-desktop
    , 
    ubuntu-desktop
    , and 
    kubuntu-desktop
    ), as well as a display manager (for example 
    lightdm
    or 
    sddm
    ), and install any missing ones if necessary (for example 
    ubuntu-desktop
    and 
    lightdm
    ). You can do this from aptitude (
    /ubuntu-desktop
    , enter, 
    +
    ) or outside of aptitude if you prefer (to exit, press 
    q
    ): 

    sudo apt-get install ubuntu-desktop lightdm


    d) Finally, just restart the display manager: 

    sudo service lightdm restart && logout


    Good luck!
    0