Todays system’s upgrading will make some changes.
Using ‘network-manager-gnome’ tool as a default network manager can make some problems in LXDE Sparky desktop.

‘network-manager-gnome’ depends of ‘network-manager’ which depends of ‘libpam-systemd’, which depends of ‘systemd’. So upgrading ‘network-manager-gnome’ will install ‘systemd’ as default.

It doesn’t make a problem on all Sparky desktops excluding LXDE.
It makes a conflict with ‘lxsession-logout’, which works well with the old init system ‘sysvinit’.
After installing ‘systemd’ on LXDE desktop, you can’t power off or reboot the system using standard logout tool.
Removing ‘systemd’ will remove ‘network-manager’ as well.

To fix it make full system ugrade again (I just put extra files to sparky repository now) and install one extra package:
apt-get update && apt-get dist-upgrade
apt-get install systemd-sysv

Reboot the system in text terminal:

After that you don’t need ‘sysvinit’ any more.

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