On Tue, 28 Jan 2020 18:27:23 -0500
Felix Miata <mrmazda@...> wrote:

> A fellow user suffered extreme visual impairment, which severely limits his
> ability to use his PC. At irregular intervals, I straighten out his problems, and
> do his release upgrades.
> 
> Somehow in his desire to reduce clutter on Kicker by deleting unused objects he
> has managed to eliminate a large number of items from his main menu. Office is
> totally absent, even though the entirety of LibreOffice is installed. Likewise,
> Internet, Utilities and System are also missing. Is there some simple XDG or other
> way to regenerate the menu that doesn't eliminate menu customization or impact Kicker?
> 
> <https://www.linuxtopia.org/online_books/linux_desktop_guides/kde_desktop_user_guide/kde-menu.html>
> suggests
> 
> 	touch $KDEDIR /share/services/update_ksycoca
> 
> Substituting $TDEDIR produces no such file or directory.
> 
> # man ksycoca
> No manual entry for ksycoca
> # man xdgmenu
> No manual entry for xdgmenu
> # man update-menus
> No manual entry for update-menus
> $ ls -l .*xdg* *xdg*
> ls: cannot access '.*xdg*': No such file or directory
> ls: cannot access '*xdg*': No such file or directory
>  :(

My system suggests that you may want "xdg-desktop-menu forceupdate" 
(xdg-utils, has a man page on my system) or maybe "tdebuildsycoca" 
(TDE, no man page).

kappfinder may also be able to help selectively stick applications back onto 
the menu, although it would require some user intervention.

E. Liddell