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

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

80端口被占用

用netstat -ltunp命令，可以看到80端口被nginx占用了，因为之前安过一次，现在再安了一次，冲突了。

只需要关闭服务即可： service nginx stop
再开启：nginx 就ok了