Ubuntu 16.04.1 LTS ubuntu@ubuntu-W760-G20:~$ ping www.baidu.com ping: unknown host www.baidu.com ubuntu@ubuntu-W760-G20:~$ ping 192.168.205.122 PING 192.168.205.122 (192.168.205.122) 56(84) bytes of data. 64 bytes from 192.168.205.122: icmp_seq=1 ttl=64 time=0.107 ms ubuntu@ubuntu-W760-G20:~$ ping 114.114.114.114 PING 114.114.114.114 (114.114.114.114) 56(84) bytes of data. 64 bytes from 114.114.114.114: icmp_seq=1 ttl=84 time=9.00 ms 64 bytes from 114.114.114.114: icmp_seq=2 ttl=75 time=8.62 ms ---ping通114，ping不通baidu. ping通内网 配置dns: ubuntu@ubuntu-W760-G20:~$ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) DO the NOT EDIT THIS FILE # BY HAND - the CHANGES WILL BE YOUR Overwritten @-W760 Ubuntu-Ubuntu the G20: ~ $ CAT / etc / Network / in the interfaces # in the interfaces (5) File Used by ifup (8) and ifdown (8) Auto LO iface LO the Loopback inet Auto ens2f1 iface ens2f1 inet static address 192.168.205.11 255.255.255.0 Netmask Gateway 192.168.205.254 Ubuntu @ Ubuntu-w760 the G20-: ~ $ the sudo Nano / etc / Network / the interfaces add the following lines: DNS-the nameservers 192.168.1.100 the sudo Nano /etc/resolv.conf add the following lines: nameserver 192.168 .1.100 start interface card need to restart to take effect; resolv.conf need to restart the network card can take effect.
ubuntu@ubuntu-W760-G20:~$ ping www.baidu.com PING www.a.shifen.com (220.181.38.150) 56(84) bytes of data. 64 bytes from 220.181.38.150: icmp_seq=1 ttl=48 time=4.76 ms 64 bytes from 220.181.38.150: icmp_seq=2 ttl=48 time=26.5 ms