[nginx] Can't open PID file /var/run/nginx.pid (yet?) after start: No such file or directory

-- Unit nginx.service has begun starting up.
Jan 15 01:40:19 test_server systemd[1]: Can't open PID file /var/run/nginx.pid (yet?) after start: No such file or directory
Jan 15 01:40:19 test_server systemd[1]: Started nginx - high performance web server.
-- Subject: Unit nginx.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit nginx.service has finished starting up.
--
-- The start-up result is done.
Jan 15 01:40:19 test_server polkitd[588]: Unregistered Authentication Agent for unix-process:21917:95474130 (system bus name :1.15088, object path /org/freedesktop/
~

  PID 파일이 만들어지는 찰나의 시간차 때문에 생긴 오류가 아닌가 싶다.

  다음 글에서는 nginx.service 파일의 ExecStartPost 값에 sleep 명령을 넣는 방법이 소개되어 있다.

• nginx.service: Can't open PID file /run/nginx.pid (yet?) after start: Operation not permitted 이슈 해결 방안 — 문제해결집 (https://god-logger.tistory.com/81)