获取公网IP

腾讯云专用：curl http://metadata.tencentyun.com/meta-data/public-ipv4

通用：curl https://myip.ipip.net

          https://www.taobao.com/help/getip.php

 

通过 inxi 获取（需安装 inxi ）

# 获取公网IP
public_ip=`inxi -i | grep "WAN IP:" | grep ": " | awk '{print $3}'`;

# 无论哪种方式获取都得考虑网络延时
while true
do
    sleep 3;
    if [[ $public_ip != ";;" ]]; then
        break;
    fi;
    public_ip=`inxi -i | grep "WAN IP:" | grep ": " | awk '{print $3}'`;
    echo "获取公网IP······"
done

其他：

curl http://ipinfo.io/ip/

curl -L http://tool.lu/ip