Menu System Tools/Software Updater not working after, Lubuntu upgrade from 16.04 to 18.04

[Ralf Mardorf]

On Fri, 2018-08-24 at 18:24 +0200, Oliver Grawert wrote:
> hi,
> Am Freitag, den 24.08.2018, 16:16 +0100 schrieb Colin Law:
> > On Fri, 24 Aug 2018 at 16:12, Ralf Mardorf <silver.bullet at zoho.com>
> > wrote:
> > > 
> > > 
> > > On Fri, 2018-08-24 at 16:43 +0200, grasso wrote:
> > > > 
> > > > When I run update-manager in the terminal there is no window
> > > > popping up.
> > > 
> > > Hi,
> > > 
> > > I doubt running a manager to update software without root
> > > privileges
> > > makes much sense, since sync of the package index files already
> > > requires
> > > root privileges. Try running
> > > 
> > >   gksudo $(which update-manager)
> > 
> > Not necessary, it will ask for privileges if it needs them, at least
> > that is the situation for me.  Have you tried it?

No, I didn't use it myself. 

> also note that debian and ubuntu removed the gksu package (which ships
> the gksudo command) from their archives a while ago (debian only for
> sid (unstalble) and buster, ubuntu for 18.04 onwards). 
> apps are supposed to use policykit interally to obtain needed
> pirvileges (not only because this is more secure but also to make them
> work in wayland sessions where apps running as root are not allowed
> anymore by design)

I didn't know that.