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On my main machine, I installed some fonts manually, by copying them to /usr/local/share/fonts/ amd then running sudo fc-cache -fv as sudgested in this answer. Now some askubuntu sites look like this:

enter image description here

and I cannot see the posts I write. Are the two events related? Or, how can I arrive at the bottom of this? Using another Firefox profile on the same machine, does give me the same problem.Using chrome however does not.

enter image description here

I have tried clearing the cache in the browser. I also reinstalled fonts by running:

sudo apt install --reinstall $(dpkg -S /usr/share/fonts/truetype | cut -sd: -f1 | tr -d ,)

as suggested in an answer to this question.

Bruni
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  • can you post the list of fonts returned by this command fc-list – bistoco Nov 28 '17 at 15:33
  • @bistoco That is a rather long list...735 lines. How should I add that without making the qquestion unreadable? Or, what am I looking for? – Bruni Nov 28 '17 at 15:38
  • This are the fonts that the page uses for the code blocks Consolas,Menlo,Monaco,Lucida Console,Liberation Mono,DejaVu Sans Mono,Bitstream Vera Sans Mono,Courier New,monospace,sans-serif. – bistoco Nov 28 '17 at 15:46
  • Ok, Menlo, Monaco, Lucida Console,monospace,sans-serif are not in the output of fc-list. Does this mean I uninstalled them for some reason? BTW in chrome the site is displayed properly./ Where can I find those fonts? – Bruni Nov 28 '17 at 15:51
  • this may help you – bistoco Nov 28 '17 at 17:09
  • @bistoco Thank you. I tried Oli's solution from the Question you linked to, to no avail. I also am a bit confused as google chrome renders the page correctly (though I am not very savvy with this kind of system administration). – Bruni Nov 29 '17 at 17:50
  • @bistoco Sorry for pinging you, but is there a way to see which packages would provide Menlo, Monaco and Lucida? – Bruni Nov 30 '17 at 12:44
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    Is that FF57? I had problems too with it. There was a bug, I think it's fixed in 57.0.1. This bug page has more details. IIRC I had to clean up the directories my fonts were in as they were in unusual places and the sandboxing was thus interfering with them. – pbhj Dec 04 '17 at 22:02
  • ..@pbhj This is FF 57.0.1. Though it might have been 57 when the problem first occured. I will look into the suggested workaround, but this is highly promissing. – Bruni Dec 05 '17 at 08:01
  • @pbhj Please add "Going to about:preferences > Language & Appearance > Advanced, and unsettin "Allow pages to choose their own fonts, instead of your selections above" resolves the issue " as an answer. This is a workaround not compromising security and potentially helping even in cases of other future bugs and should therefore be included as an answer. – Bruni Dec 05 '17 at 08:05
  • @Bruni it's added as an answer to the marked duplicate; add it here yourself if you wish though. – pbhj Dec 05 '17 at 19:48

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