apache unexpectedly shut down

Apache unexpectedly shut down.

I’m on ubuntu 16.04 on an AWS EC2 instance (VPS).

Here are the error logs:

[Sat Jun 23 06:25:04.742281 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00489: Apache/2.4.18 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.0.2g configured -- resuming normal operations [Sat Jun 23 06:25:04.742296 2018] [core:notice] [pid 2497:tid 140265446745984] AH00094: Command line: '/usr/sbin/apache2' [Sun Jun 24 06:25:04.467450 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00493: SIGUSR1 received. Doing graceful restart [Sun Jun 24 06:25:04.531747 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00489: Apache/2.4.18 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.0.2g configured -- resuming normal operations [Sun Jun 24 06:25:04.531757 2018] [core:notice] [pid 2497:tid 140265446745984] AH00094: Command line: '/usr/sbin/apache2' [Sun Jun 24 06:25:09.551728 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00493: SIGUSR1 received. Doing graceful restart [Sun Jun 24 06:25:09.613671 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00489: Apache/2.4.18 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.0.2g configured -- resuming normal operations [Sun Jun 24 06:25:09.613681 2018] [core:notice] [pid 2497:tid 140265446745984] AH00094: Command line: '/usr/sbin/apache2' [Sun Jun 24 06:25:14.633290 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00493: SIGUSR1 received. Doing graceful restart [Sun Jun 24 06:25:14.695616 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00489: Apache/2.4.18 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.0.2g configured -- resuming normal operations [Sun Jun 24 06:25:14.695626 2018] [core:notice] [pid 2497:tid 140265446745984] AH00094: Command line: '/usr/sbin/apache2' [Sun Jun 24 06:25:19.717446 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00493: SIGUSR1 received. Doing graceful restart [Sun Jun 24 06:25:19.779212 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00489: Apache/2.4.18 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.0.2g configured -- resuming normal operations [Sun Jun 24 06:25:19.779222 2018] [core:notice] [pid 2497:tid 140265446745984] AH00094: Command line: '/usr/sbin/apache2' [Sun Jun 24 06:25:24.798831 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00493: SIGUSR1 received. Doing graceful restart [Sun Jun 24 06:25:24.860730 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00489: Apache/2.4.18 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.0.2g configured -- resuming normal operations [Sun Jun 24 06:25:24.860740 2018] [core:notice] [pid 2497:tid 140265446745984] AH00094: Command line: '/usr/sbin/apache2' [Sun Jun 24 06:25:29.882690 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00493: SIGUSR1 received. Doing graceful restart [Sun Jun 24 06:25:29.944875 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00489: Apache/2.4.18 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.0.2g configured -- resuming normal operations [Sun Jun 24 06:25:29.944885 2018] [core:notice] [pid 2497:tid 140265446745984] AH00094: Command line: '/usr/sbin/apache2' [Sun Jun 24 06:25:35.062634 2018] [mpm_event:notice] [pid 2497:tid 140265446745984] AH00493: SIGUSR1 received. Doing graceful restart [Sun Jun 24 06:25:35.243881 2018] [core:notice] [pid 2497] AH00060: seg fault or similar nasty error detected in the parent process