/etc/resolv.conf
包含一个活着的名称服务器(如ping
命令所报告的那样)host
或者nslookup
能够解决google.com
$ host google.com
google.com has address 74.125.228.3
google.com has address 74.125.228.4
...
$ nslookup google.com
...
Non-authorative answer:
Name: google.com
Address: 74.125.228.0
Name: google.com
Address: 74.125.228.1
..
Run Code Online (Sandbox Code Playgroud)ping
或telnet
无法解决google.com
$ ping google.com
ping: unknown host google.com
$ telnet google.com
google.com: node name or service name not known
Run Code Online (Sandbox Code Playgroud)如何在不知道 CD-ROM 设备名称的情况下在 Solaris 10 上挂载 CD-ROM?