cat /var/log/apache2/error.log
[Tue Feb 06 10:08:57.338900 2018] [mpm_event:notice] [pid 28843:tid 139800670541696] AH00489: Apache/2.4.18 (Ubuntu) configured -- resuming normal operations
[Tue Feb 06 10:08:57.338974 2018] [core:notice] [pid 28843:tid 139800670541696] AH00094: Command line: '/usr/sbin/apache2'
[Tue Feb 06 10:09:22.317572 2018] [mpm_event:notice] [pid 28843:tid 139800670541696] AH00491: caught SIGTERM, shutting down
[Tue Feb 06 10:09:23.372841 2018] [mpm_prefork:notice] [pid 2648] AH00163: Apache/2.4.18 (Ubuntu) configured -- resuming normal operations
[Tue Feb 06 10:09:23.372916 2018] [core:notice] [pid 2648] AH00094: Command line: '/usr/sbin/apache2'
[Tue Feb 06 10:09:25.010191 2018] [mpm_prefork:notice] [pid 2648] AH00169: caught SIGTERM, shutting down
[Tue Feb 06 10:09:26.377037 2018] [mpm_prefork:notice] [pid 2759] AH00163: Apache/2.4.18 (Ubuntu) configured -- resuming normal operations
[Tue Feb 06 10:09:26.377087 2018] [core:notice] [pid 2759] AH00094: Command line: '/usr/sbin/apache2'
[Tue Feb 06 10:09:35.684208 2018] [mpm_prefork:notice] [pid 2759] AH00169: caught SIGTERM, shutting down
[Tue Feb 06 10:09:37.754897 2018] [mpm_prefork:notice] [pid 6597] AH00163: Apache/2.4.18 (Ubuntu) mod_perl/2.0.9 Perl/v5.22.1 configured -- resuming normal operations
[Tue Feb 06 10:09:37.754979 2018] [core:notice] [pid 6597] AH00094: Command line: '/usr/sbin/apache2'
[Tue Feb 06 10:22:25.505669 2018] [mpm_prefork:notice] [pid 6597] AH00169: caught SIGTERM, shutting down
[Tue Feb 06 10:22:27.500258 2018] [mpm_prefork:notice] [pid 13758] AH00163: Apache/2.4.18 (Ubuntu) mod_perl/2.0.9 Perl/v5.22.1 configured -- resuming normal operations
[Tue Feb 06 10:22:27.500314 2018] [core:notice] [pid 13758] AH00094: Command line: '/usr/sbin/apache2'