搬瓦工VPS设置IPv6

1. 去vps控制面板开启ipv6
2. 修改 /etc/resolv.conf , nano /etc/resolv.conf 添加以下内容到行首

   nameserver 2001:4860:4860::8888
   nameserver 2001:4860:4860::8844
   

3. nameserver重启会变 修改后 设置为不可更改 sudo chattr +i /etc/resolv.conf
   还原命令 sudo chattr -i /etc/resolv.conf
4. 去vps控制面板先 stop vps 然后再 start vps
5. 进入vps检查 ping6 google.com