nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol)，nginxemerg

nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol)，nginxemerg

启动nginx: nginx -c /etc/nginx/nginx.conf 出现:

nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol)

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解决办法：

vim /etc/nginx/conf.d/default.conf

listen       80 default_server;
listen       [::]:80 default_server;

修改为:
listen       80;
#listen       [::]:80 default_server;

重启nginx

sudo service nginx restart