This morning I've freshly re-installed Kaos, including all tex and latex packages from the main app list.
When compiling a test.tex doc, there were problems with latex and pdflatex (wrong /etc/texmf/web2c/fmtutil.cnf file or missing config file?).
`$ pdflatex test.tex
This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019/KaOS) (preloaded format=pdflatex)
restricted \write18 enabled.
kpathsea: Running mktexfmt pdflatex.fmt
mktexfmt: mktexfmt is using the following fmtutil.cnf files (in precedence order):
mktexfmt: /etc/texmf/web2c/fmtutil.cnf
mktexfmt: mktexfmt is using the following fmtutil.cnf file for writing changes:
mktexfmt: /home/tom/.texlive/texmf-config/web2c/fmtutil.cnf
mktexfmt [INFO]: writing formats under /home/tom/.texlive/texmf-var/web2c
mktexfmt [INFO]: did not find entry for byfmt=pdflatex, skipped
mktexfmt [INFO]: Total formats: 0
mktexfmt [INFO]: exiting with status 0
I can't find the format file pdflatex.fmt'!
`latex test.tex
This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019/KaOS) (preloaded format=latex)
restricted \write18 enabled.
kpathsea: Running mktexfmt latex.fmt
mktexfmt: mktexfmt is using the following fmtutil.cnf files (in precedence order):
mktexfmt: /etc/texmf/web2c/fmtutil.cnf
mktexfmt: mktexfmt is using the following fmtutil.cnf file for writing changes:
mktexfmt: /home/tom/.texlive/texmf-config/web2c/fmtutil.cnf
mktexfmt [INFO]: writing formats under /home/tom/.texlive/texmf-var/web2c
mktexfmt [INFO]: did not find entry for byfmt=latex, skipped
mktexfmt [INFO]: Total formats: 0
mktexfmt [INFO]: exiting with status 0
I can't find the format file latex.fmt'!