[emerg] 5048#0: bind() to x.x.x.x:80 failed (98: Address already in use)

IT_man

當啟動nginx時, service nginx start (restart) 出現連續5個相同錯誤:
2 z( Z$ h/ Y6 P2 I0 D/ o8 d8 }. K[emerg] 5048#0: bind() to x.x.x.x:80 failed (98: Address already in use)
最後再給你出現
( c/ Q8 |9 P6 k2 @[emerg] 5048#0: still could not bind()
1 `9 B" E# y, p8 r! Q! O重開機也沒用
8 D! R: P7 Y9 K& G0 n這個意謂"nginx或其他程序正在使用 port 80" , 可以指令 netstat -pan | grep ":80" 或
1 c# a0 U1 |4 E$ R* sfuser 80/tcp  (fuser 指令可以參考 http://nixgeek.com/finding-out-what-process-is-listening-on-a-port-under-linux.html)
$ ^6 `, }% @8 D查看是誰占用 port 80,但nginx也沒占用(啟動不了當然不會占用)

  R' w$ ^+ ~" H0 s  p  |
9 Y. P% ~. |- ~: ^2 m0 D) r最後  fuser -k 80/tcp  刪除占用 port 80 的的所有程序(process)
9 l, `$ l6 C8 i- f2 |) C0 F% F/ D然後 service nginx restart  ======> OK
$ W( ?8 d  |. E) O' V, E