Am 13.09.21 um 20:29 schrieb Andreas Plihal:
Dear LYX community,
I've sent you some inquiries in the past two weeks, but haven't received
a response.
I beg you to answer my question(s) in a solution-oriented manner - as
most time in the past.
For example, I gratefully remember Jürgen's
Wolfgang,
(Linux) Libertine/Biolinum/Libertine Mono are supported by LyX (as
normal fonts, ie unclick "Use non-TeX fonts...")
Document -> Settings... -> Fonts
unsurprisingly, and the pulldown will show you whether they are
installed. If not
tlmgr install libertine
will sort