FATAL can't load letsencrypt certificate - permission denied

Unix
1

Ошибка типа:

FATAL can't load certificate files: open /etc/letsencrypt/live/doma.in/fullchain.pem: permission denied

Может решиться так:

chmod -R 755 /etc/letsencrypt/live/
chmod -R 755 /etc/letsencrypt/archive/