针对虚拟机搭建centos7不能上网问题处理方法

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桥接模式:

1.确认本地连接有桥接虚拟机网卡:

2.使用 ipconfig -all 查看电脑网络配置:

3.修改VMware 虚拟网络配置里面选择桥接模式:

桥接网卡选择本地连接里面匹配的网卡

修改centos7 网络配置: CentOS7.2 设置静态ip

先找到配置文件:

[root@localhost bin]# cd /etc/sysconfig/network-scripts
[root@localhost network-scripts]# ls
ifcfg-eno16777736  ifdown-ppp       ifup-ib      ifup-Team
ifcfg-lo           ifdown-routes    ifup-ippp    ifup-TeamPort
ifdown             ifdown-sit       ifup-ipv6    ifup-tunnel
ifdown-bnep        ifdown-Team      ifup-isdn    ifup-wireless
ifdown-eth         ifdown-TeamPort  ifup-plip    init.ipv6-global
ifdown-ib          ifdown-tunnel    ifup-plusb   network-functions
ifdown-ippp        ifup             ifup-post    network-functions-ipv6
ifdown-ipv6        ifup-aliases     ifup-ppp
ifdown-isdn        ifup-bnep        ifup-routes
ifdown-post        ifup-eth         ifup-sit
[root@localhost network-scripts]# gedit ifcfg-eno16777736

开始配置是:

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="eno16777736"
UUID="157c8fb5-23b3-414c-8519-25bef9b20a54"
DEVICE="eno16777736"
ONBOOT="yes"

修改成:

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="eno16777736"
UUID="157c8fb5-23b3-414c-8519-25bef9b20a54"
DEVICE="eno16777736"
#ONBOOT="yes"

#static assignment
NM_CONTROLLED=no #表示该接口将通过该配置文件进行设置,而不是通过网络管理器进行管理
ONBOOT=yes #开机启动
BOOTPROTO=static #静态IP
IPADDR=192.168.1.122 #本机地址
NETMASK=255.255.255.0 #子网掩码
GATEWAY=192.168.1.1 #默认网关

修改/etc/sysconfig/network

# Created by anaconda
NETWORKING=yes
GATEWAY=192.168.1.1
DNS1=119.29.29.29
DNS2=182.254.116.116

然后重启服务即可

service network restart