Linux CentOS ping域名和curl查询本机外网地址

CentOS ping安装

yum install iputils

CentOS域名异常处理

异常一：ping异常

centos7 ping: www.baidu.com: Name or service not known

异常二：curl 域名异常

curl: (6) Could not resolve host: www.baidu.com

 

DNS处理方法，修改vi /etc/resolv.conf：

# Generated by NetworkManager
nameserver 114.114.114.114
nameserver 8.8.8.8
~                   

CentOs验证本地外网IP

使用curl命令访问公网域名解析地址：

$ curl ifconfig.me
$ curl icanhazip.com
$ curl ident.me
$ curl ipecho.net/plain
$ curl whatismyip.akamai.com
$ curl tnx.nl/ip
$ curl myip.dnsomatic.com
$ curl ip.appspot.com
$ curl -s checkip.dyndns.org | sed 's/.*IP Address: [0−9\.]∗

---------------------
作者：seekthere 
来源：CSDN 
原文：https://blog.csdn.net/seekkevin/article/details/50554616?utm_source=copy 
版权声明：本文为博主原创文章，转载请附上博文链接！