LNMPA服务器最近总是死掉，望大神指点

15227379759

[Thu Sep 13 19:15:00 2018] [warn] pid file /usr/local/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
[Thu Sep 13 19:15:00 2018] [notice] Apache/2.2.34 (Unix) mod_ssl/2.2.34 OpenSSL/1.0.1e-fips DAV/2 PHP/5.5.38 configured -- resuming normal operations
[Wed Sep 19 16:54:24 2018] [notice] child pid 21256 exit signal Segmentation fault (11)
[Thu Sep 20 18:17:48 2018] [notice] suEXEC mechanism enabled (wrapper: /usr/local/apache/bin/suexec)
[Thu Sep 20 18:17:48 2018] [notice] Digest: generating secret for digest authentication ...
[Thu Sep 20 18:17:48 2018] [notice] Digest: done
[Thu Sep 20 18:17:48 2018] [warn] pid file /usr/local/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
[Thu Sep 20 18:17:48 2018] [notice] Apache/2.2.34 (Unix) mod_ssl/2.2.34 OpenSSL/1.0.1e-fips DAV/2 PHP/5.5.38 configured -- resuming normal operations
[Wed Sep 26 20:28:16 2018] [notice] suEXEC mechanism enabled (wrapper: /usr/local/apache/bin/suexec)
[Wed Sep 26 20:28:16 2018] [notice] Digest: generating secret for digest authentication ...
[Wed Sep 26 20:28:16 2018] [notice] Digest: done
[Wed Sep 26 20:28:16 2018] [warn] pid file /usr/local/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
[Wed Sep 26 20:28:16 2018] [notice] Apache/2.2.34 (Unix) mod_ssl/2.2.34 OpenSSL/1.0.1e-fips DAV/2 PHP/5.5.38 configured -- resuming normal operations

以上是error日志的信息，不太明白是什么意思，望大神指点。

licess

apache好像异常关闭过
可以开php错误日志结合系统日志看一下