On Monday, 29 October 2018 20:31:54 CET Thorsten Glaser wrote: > tglase@tglase:~ $ cat /var/log/apache2/error.log > [Mon Oct 29 20:18:58.090841 2018] [ssl:emerg] [pid 17306] AH01903: Failed to > configure CA certificate chain! > [Mon Oct 29 20:18:58.090919 2018] [ssl:emerg] [pid 17306] AH02311: Fatal > error initialising mod_ssl, exiting. > See /var/log/apache2/error.log for more information AH00016: Configuration > Failed
Have you looked into /var/log/apache2/error.log if there is more information? If there is none, try adding loglevel ssl:debug and re-try.