But it dont seems to work. It make apache to dont wont to start up again. So i think this guide need to be changed on some point maybe? I use Ubuntu 16.04.
[Thu Jun 09 13:29:34.733969 2016] [mpm_prefork:notice] [pid 11761] AH00171: Graceful restart requested, doing restart
[Thu Jun 09 13:29:37.878472 2016] [so:warn] [pid 11761] AH01574: module dav_module is already loaded, skipping
(98)Address already in use: AH00072: make_sock: could not bind to address [::]:8080
(98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:8080
[Thu Jun 09 13:29:38.112355 2016] [mpm_prefork:alert] [pid 11761] no listening sockets available, shutting down
[Thu Jun 09 13:29:38.112364 2016] [:emerg] [pid 11761] AH00019: Unable to open logs, exiting
[Thu Jun 09 13:35:11.003013 2016] [:error] [pid 14538] SecServerSignature: original signature too short. Please set ServerTokens to Full.