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After my attempt to update to Ubuntu 18.04 I run into a problem. When i was restarted my system, Ubuntu started in terminal mode. I want to fix this problem without reinstalling my OS. I tried to launch from grub recovery mode, but it did not help.

Then i tried to type commands, which are shown here. I got a errors after running this command.

dpkg --configure -a

Here they are:

dpkg: error processing package neon-desktop (--configure)
dependencies problem - leaving unconfigured

I tried to run sudo apt-get install --reinstall neon-desktop, but I got the following unmet dependencies errors.

sudo apt install --reinstall neon-desktop
[sudo] password for kocmuk:  
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
neon-desktop : Depends: baloo-kf5 but it is not going to be installed
               Depends: breeze but it is not going to be installed
               Depends: distro-release-notifier but it is not going to be installed
               Depends: kde-cli-tools but it is not going to be installed
               Depends: khotkeys but it is not going to be installed
               Depends: kio but it is not going to be installed
               Depends: kio-extras but it is not going to be installed
               Depends: kkmenuedit but it is not going to be installed
               Depends: ksysguard but it is not going to be installed
               Depends: distro-release-notifier but it is not going to be installed
               Depends: kwin but it is not going to be installed
               Depends: kwrited but it is not going to be installed
               Depends: plasma-desktop but it is not going to be installed
               Depends: powerdevil but it is not going to be installed
               Depends: sdd-theme-breeze but it is not going to be installed
               Depends: systemsettings but it is not going to be installed
               Depends: xorg but it is not going to be installed
               Recommends: ark but it is not going to be installed
               Recommends: bluedevil but it is not going to be installed
               Recommends: dolphin but it is not going to be installed
               Recommends: drkonqi-pk-debug-installer but it is not going to be installed
               Recommends: frameworkintegration but it is not going to be installed
               Recommends: gwenview but it is not going to be installed
               Recommends: kde-config-gtk-style but it is not going to be installed
               Recommends: kde-config-plymouth but it is not going to be installed
               Recommends: kde-config-sddn but it is not going to be installed
               Recommends: kde-spectacle but it is not going to be installed
               Recommends: kdegraphics but it is not going to be installed
               Recommends: kdialog but it is not going to be installed
               Recommends: konsole but it is not going to be installed
               Recommends: kscreen but it is not going to be installed
               Recommends: ksshaskpass but it is not going to be installed
               Recommends: kwin-addons but it is not going to be installed
               Recommends: kwrite but it is not going to be installed
               Recommends: milou but it is not going to be installed
               Recommends: okular but it is not going to be installed
               Recommends: plasma-browser-integration but it is not going to be installed
               Recommends: plasma-calendar-addons but it is not going to be installed
               Recommends: plasma-dataengines but it is not going to be installed
               Recommends: plasma-discover but it is not going to be installed
               Recommends: plasma-discover-updater but it is not going to be installed
               Recommends: plasma-nm but it is not going to be installed
               Recommends: plasma-pa but it is not going to be installed
               Recommends: plasma-runners-addons but it is not going to be installed
               Recommends: plasma-vault but it is not going to be installed
               Recommends: plasma-wallpapers-addons but it is not going to be installed  
               Recommends: plasma-widgets-addons but it is not going to be installed
               Recommends: plasma-workspace-wayland but it is not going to be installed                         
               Recommends: polkit-kde-agent-1 but it is not going to be installed
               Recommends: print-manager but it is not going to be installed
               Recommends: user-manager but it is not going to be installed
               Recommends: xserver-xorg-input-evdev but it is not going to be installed
               Recommends: xserver-xorg-input-synaptics but it is not going to be installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).
karel
  • 114,770
Kostya M
  • 99

1 Answers1

1

With any upgrade to a new Ubuntu version, third-party repositories and ppa's will be disabled. You need to check if they support the new version (in your case bionic) and change them to the new version. Then you can reenable them.

Find the relevant entry for the KDE Neon repository in the sources.list file

Should look something like this:

# deb http://archive.neon.kde.org/user xenial main

Dependent on how you installed it you will find it either in /etc/apt/sources.list or (more likely) in one of the files in /etc/apt/sources.list.d/.

You can also use the following command to find the file:

grep -rlF 'archive.neon.kde.org' /etc/apt/

Change xenial to bionic, and reenable the repository by removing the # from that line.

Then run:

sudo apt-get update
sudo apt-get install -f
pLumo
  • 26,947