nginx [emerg] socket() []80 failed (97 Address family not supported by protocol)
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1、nginx报错信息
早上通过LNMP部署owncloud 10.0.2的云盘环境，修改nginx配置文件后，重启报错：
nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol)
2、分析并解决报错
看到 socket() [::]:80 failed，第一反应就是好像与IPV6有关，Address family not supported by protocol也进一步印证了我的想法，如是想到查看nginx配置文件
修改nginx的配置文件：
vim /etc/nginx/nginx.conf
如果不知道nginx的配置文件在哪，可以通过find命令或者rpm -ql nginx（rpm形式安装的话）进行查找nginx.conf
# rpm -ql nginx|grep nginx.conf /etc/nginx/nginx.conf /etc/nginx/nginx.conf.default
重新启动nginx,告警消失
本文出自 “冰冻vs西瓜” 博客，请务必保留此出处http://molewan.blog.51cto.com/287340/1942907
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