Linux 配置网络方法

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配置网络

临时生效

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# 配置 ip、子网掩码
ifconfig eth0 10.130.6.180 netmask 255.255.0.0
# 配置网关
route add default gw 10.130.6.1

永久生效

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vi /etc/sysconfig/network-scripts/ifcfg-eth0

# 加入下面三行
IPADDR=10.130.6.180
GATEWAY=10.130.6.1
NETMASK=255.255.0.0

# 重启网络
systemctl restart network

查看本机 ip，出现 ip 说明配置成功

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ifconfig eth0
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[root@localhost ~]# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr FE:FC:FE:4D:5C:36  
          inet addr:10.130.6.180  Bcast:10.130.255.255  Mask:255.255.0.0
          inet6 addr: fe80::e21e:f543:a6de:be92/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:4105467 errors:165000 dropped:0 overruns:0 frame:165000
          TX packets:24777 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:356007648 (339.5 MiB)  TX bytes:49129900 (46.8 MiB)

查看路由配置，出现网关说明配置成功

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route -n
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[root@localhost ~]# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         10.130.6.1      0.0.0.0         UG    100    0        0 eth0
10.130.0.0      0.0.0.0         255.255.0.0     U     100    0        0 eth0
172.17.0.0      0.0.0.0         255.255.0.0     U     0      0        0 docker0
172.18.0.0      0.0.0.0         255.255.0.0     U     0      0        0 br-2e21f71c782e
172.19.0.0      0.0.0.0         255.255.0.0     U     0      0        0 br-1645c3e61b32

配置 DNS

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echo "nameserver 8.8.8.8" >> /etc/resolv.conf