新安裝好的CentOS 7無法上外網
但是可以ping通同一網段的IP地址
修改/etc/sysconfig/network-scripts/ifcfg-enp0s3文件,內容如下
vim /etc/sysconfig/network-scripts/ifcfg-enp0s3
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TYPE=Ethernet
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
NAME=enp0s3
UUID=1538d24b-770f-44ee-83af-e1da305dfabc
DEVICE=enp0s3
ONBOOT=yes
IPADDR0=192.168.1.121
PREFIX=24
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_PRIVACY=no
DNS1=202.96.134.133
DNS2=202.96.128.166
GATEWAY0=192.168.1.1
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重啓網絡服務
service network restart
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問題解決