nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use) 错误解决

321re

[emerg]: bind() to 0.0.0.0:80 failed (98: Address already in use)   这个是nginx重启是 经常遇到的。   网上找了很多信息 都是没有啥用。说的乱七八糟的。   发现原来是nginx重复重启。自己占用了端口。 解决

方法  killall -9 nginx 杀掉nginx 进程  然后重启就行了。  service nginx restart

这样就解决了。

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今天在做LNMP的时候，启动nginx服务，无法开启，导致网页打不开。把服务从起一下发现提示错误如下：

Starting nginx: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)

nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] still could not bind()

问题描述：地址已被使用。可能nginx服务卡死了，导致端口占用，出现此错误。

解决方法：首先用lsof:80看下80端口被什么程序占用。lsof返回结果如下：

COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
nginx 3274 root 6u IPv4 10664 0t0 TCP *:http (LISTEN)
nginx 3547 nginx 6u IPv4 10664 0t0 TCP *:http (LISTEN)

发现是nginx程序，所以我们把nginx服务k掉，重新启动服务。。命令如下:

kill -9 3274

kill -9 3547

service nginx start

Starting nginx:                                            [  OK  ]

OK了，服务成功启动！~~