Open2024/03/05にコメント追加1

Nginx起動エラー

% sudo systemctl status nginx.service
× nginx.service - A high performance web server and a reverse proxy server
     Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Mon 2024-03-04 17:29:30 UTC; 14s ago
       Docs: man:nginx(8)
    Process: 26473 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)
    Process: 26474 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=1/FAILURE)
        CPU: 30ms

Mar 04 17:29:29 dev-tagami nginx[26474]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Unknown error)
Mar 04 17:29:29 dev-tagami nginx[26474]: nginx: [emerg] bind() to [::]:80 failed (98: Unknown error)
Mar 04 17:29:29 dev-tagami nginx[26474]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Unknown error)
Mar 04 17:29:29 dev-tagami nginx[26474]: nginx: [emerg] bind() to [::]:80 failed (98: Unknown error)
Mar 04 17:29:30 dev-tagami nginx[26474]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Unknown error)
Mar 04 17:29:30 dev-tagami nginx[26474]: nginx: [emerg] bind() to [::]:80 failed (98: Unknown error)
Mar 04 17:29:30 dev-tagami nginx[26474]: nginx: [emerg] still could not bind()
Mar 04 17:29:30 dev-tagami systemd[1]: nginx.service: Control process exited, code=exited, status=1/FAILURE
Mar 04 17:29:30 dev-tagami systemd[1]: nginx.service: Failed with result 'exit-code'.
Mar 04 17:29:30 dev-tagami systemd[1]: Failed to start A high performance web server and a reverse proxy server.

バインドのエラーが出ている

ポート80がappache2で既に使われているため競合している

% apt list --installed | grep appachce

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

%sudo lsof -i :80
COMMAND   PID     USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
apache2   767     root    4u  IPv6  19823      0t0  TCP *:http (LISTEN)
apache2 14290 www-data    4u  IPv6  19823      0t0  TCP *:http (LISTEN)
apache2 14291 www-data    4u  IPv6  19823      0t0  TCP *:http (LISTEN)
apache2 14292 www-data    4u  IPv6  19823      0t0  TCP *:http (LISTEN)
apache2 14293 www-data    4u  IPv6  19823      0t0  TCP *:http (LISTEN)
apache2 14294 www-data    4u  IPv6  19823      0t0  TCP *:http (LISTEN)

apache2サービスの無効化

sudo systemctl disable apache2

現在実行中のapache2サービスの停止

sudo systemctl stop apache2

nginx起動

% sudo systemctl restart nginx.service

サービスが起動した！！

% sudo systemctl status nginx.service
● nginx.service - A high performance web server and a reverse proxy server
     Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2024-03-04 17:41:28 UTC; 10s ago
       Docs: man:nginx(8)
    Process: 26694 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)
    Process: 26695 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=0/SUCCESS)
   Main PID: 26696 (nginx)
      Tasks: 3 (limit: 2275)
     Memory: 3.9M
        CPU: 36ms
     CGroup: /system.slice/nginx.service
             ├─26696 "nginx: master process /usr/sbin/nginx -g daemon on; master_process on;"
             ├─26697 "nginx: worker process" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" ""
             └─26698 "nginx: worker process" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" ""

Mar 04 17:41:28 dev-tagami systemd[1]: Starting A high performance web server and a reverse proxy server...
Mar 04 17:41:28 dev-tagami systemd[1]: Started A high performance web server and a reverse proxy server.