Apache2 서버 충돌시 프로세스 죽이기

Apache2 서버 접속이 안될 때 확인

apache2 포트 open

iptables open

apache2 실행시 다음 명령어로 실시간 로그를 확인할 수 있는데 apache2에서의 오류는 없었음

tail -f error.log

문제 : 포트는 열려있으나, 웹에서 접속이 안됨

해결 :

systemctl status apache2 상태확인

netstat -ltnp

grep ‘:80’ : 포트확인

lsof -i:80

kill -9 해당 포트 pid

There are three files in /var/log/apache2/ 이동 후 로그보기

tail -f error.log

다른 로그 파일 access.log, other_vhosts_access.log

systemctl status apache2

아래와 같이 나온다.

● apache2.service - LSB: Apache2 web server Loaded: loaded (/etc/init.d/apache2; bad; vendor preset: enabled) Drop-In: /lib/systemd/system/apache2.service.d └─apache2-systemd.conf Active: inactive (dead) since Tue 2019-06-25 17:00:59 KST; 20h ago Docs: man:systemd-sysv-generator(8) Process: 1766 ExecStop=/etc/init.d/apache2 stop (code=exited, status=0/SUCCESS) Process: 1749 ExecStart=/etc/init.d/apache2 start (code=exited, status=0/SUCCESS)

Jun 25 17:00:59 ubuntu-63380 apache2[1749]: (98)Address already in use: AH00072: make_sock: could not bind to address [::]:80 Jun 25 17:00:59 ubuntu-63380 apache2[1749]: (98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:80 Jun 25 17:00:59 ubuntu-63380 apache2[1749]: no listening sockets available, shutting down Jun 25 17:00:59 ubuntu-63380 apache2[1749]: AH00015: Unable to open logs Jun 25 17:00:59 ubuntu-63380 apache2[1749]: Action ‘start’ failed. Jun 25 17:00:59 ubuntu-63380 apache2[1749]: The Apache error log may have more information. Jun 25 17:00:59 ubuntu-63380 apache2[1749]: * Jun 25 17:00:59 ubuntu-63380 apache2[1766]: * Stopping Apache httpd web server apache2 Jun 25 17:00:59 ubuntu-63380 apache2[1766]: * Jun 25 17:00:59 ubuntu-63380 systemd[1]: Started LSB: Apache2 web server.