LyX/TeX problem: can't find classes

[Will Parsons]

On Wednesday, 16 Sep 2015  5:28 AM -0400, Anthony Campbell wrote:
> On 16 Sep 2015, Will Parsons wrote:
>> At some point fairly recently (I'm not sure the exact circumstances),
>> my LyX installation can't produce PDF files anymore because (almost)
>> all document classes are marked unavailable.  Googling has been no
>> help - the common recommendations of running (from LyX) "Tools =>
>> Reconfigure" and (from the command line) "fmtutil-sys --all" have not
>> solved the problem.
>> 
>> The document that I am currenlty working on uses the "article" class,
>> and under /usr/local/share/texmf-dist/tex/latex/base there is a file
>> "article.cls" (among other *.cls files).  I'm at a loss.  Can anyone
>> shed light on what is wrong?
>> 
>
> Do you have the tex-formats package installed (as well as
> texlive-texmf)? I had a similar problem to yours when getting LyX to
> edit my Beamer files, even though beamer.cls seemed to be present. You
> need tex-formats to be able to use pdflatex.

Yes, it's installed, so that's not the problem.

-- 
Will