Why does lyx not find an installed .sty?

[Rich Shepard]

On Sun, 22 Jan 2023, Rich Shepard wrote:

>>> What would be the option/action of tlmgr? Looking at the man page I'm not
>>> sure what command to use.
>> 
>> I also ran 'su -c texhash' and that didn't let the letter compile.
>
> Installed here are:
> texlive-2021.210418-x86_64-1slint
> texlive-extra-2020.200608-x86_64-1_SBo
>
> and LyX has been working as it should ... except for this scrpage2.sty
> issue.
>
> Searching the web for a solution I tried running (as root) 'tlmgr update
> --all' only to be shown, 'bash: tlmgr: command not found'. But, tlmgr is
> present as a perl script in /usr/share/texmf-dist/scripts/texlive/tlmgr.pl.
>
> Since I've not dug into the TeXLive details I don't understand why the
> script is not found and question whether the update --all action to tlmgr
> would make scrpage2.sty visible to LyX.
>
> Looking forward to learning,

Help!

I need to use the KOMA-Script letter2 class. How do I rebuild the database
to fix the problem?

Rich