Name                    Last modified      Size  Description
 Parent Directory                             -   
 b612/                   2023-09-17 23:48    -   
 bitstream_vera/         2023-02-27 10:01    -   
 find/                   2024-10-16 15:05    -   
 fontforge/              2024-10-16 15:00    -   
 ipa/                    2023-09-01 11:56    -   
 jetbrains_mono/         2023-02-27 09:56    -   
 ucs/                    2023-08-21 16:11    -   

Rerfresh cache?

fc-cache -f -v

show names of installed fonts to use in your config files?

fc-list : family style | grep Mono | sort

converting a font file? bdftopcf