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cd /etc/sysconfig/network-scripts
2
2.
vi ifcfg-em1
内容为：其中NETWORK=192.168.100.0 那一行，一开始我写的是GATEWAY=192.168.100.0，配置完后上不了外网，遂改成NETWORK=192.168.100.0
TYPE="Ethernet"#BOOTPROTO="dhcp"DEFROUTE="yes"PEERDNS="yes"PEERROUTES="yes"IPV4_FAILURE_FATAL="no"IPV6INIT="yes"IPV6_AUTOCONF="yes"IPV6_DEFROUTE="yes"IPV6_PEERDNS="yes"IPV6_PEERROUTES="yes"IPV6_FAILURE_FATAL="no"NAME="em1"UUID="4f722ada-5eec-4b52-9dce-7f5336f47cee"DEVICE="em1"#ONBOOT="yes"NM_CONTROLLED=yesONBOOT=yesBOOTPROTO=noneIPADDR=192.168.100.231 #地址NETMASK=255.255.255.0 #子网掩码 NETWORK=192.168.100.0 #网关HWADDR=20:04:0f:ed:fa:e0
3.添加dns vi/etc/resolv.conf 添加8.8.8.8 和 4.4.4.4
nameserver=202.102.152.3nameserver=202.102.154.3nameserver 8.8.8.8nameserver 4.4.4.4
4.重启网络服务
service network restart