nginx 再起動 (CentsOS7)

CentOS7上でサービス登録されたnginxを再起動する。

Redhat系OSのバージョン確認

$ cat /etc/redhat-release

CentOS Linux release 7.5.1804 (Core)

サービス操作

起動中のサービス一覧

$ sudo systemctl list-units --type=service

 UNIT                               LOAD   ACTIVE SUB     DESCRIPTION
  abrt-ccpp.service                  loaded active exited  Install ABRT coredump hook
(省略)
  docker.service                     loaded active running Docker Application Container Engine
  nginx.service                      loaded active running The nginx HTTP and reverse proxy server
(省略)

サービス一覧の表示終了場合

「:」→「q」

nginxのサービスの状態を確認

$ sudo systemctl status nginx

* nginx.service - The nginx HTTP and reverse proxy server
   Loaded: loaded (/usr/lib/systemd/system/nginx.service; disabled; vendor preset: disabled)
   Active: active (running) since Mon 2020-08-17 13:54:51 JST; 20h ago
  Process: 14867 ExecStart=/usr/sbin/nginx (code=exited, status=0/SUCCESS)
  Process: 14865 ExecStartPre=/usr/sbin/nginx -t (code=exited, status=0/SUCCESS)
  Process: 14863 ExecStartPre=/usr/bin/rm -f /run/nginx.pid (code=exited, status=0/SUCCESS)
 Main PID: 14868 (nginx)
    Tasks: 3
   Memory: 7.6M
   CGroup: /system.slice/nginx.service
           |-14868 nginx: master process /usr/sbin/nginx
           |-14869 nginx: worker process
           `-14870 nginx: worker process
(省略)

nginxのサービスを停止

$ sudo systemctl stop nginx

nginxのサービスを起動

$ sudo systemctl start nginx

nginxのサービスを再起動

$ sudo systemctl restart nginx