linux 网卡重连网络命令,CentOS8/RadHat8 IP地址与路由配置
时间: 2024-01-21 18:05:00 浏览: 177
要重连网络,可以使用以下命令:
```
systemctl restart NetworkManager
```
或者
```
systemctl restart network
```
这将重启网络服务并重新连接到网络。
要配置IP地址和路由,请按照以下步骤操作:
1. 编辑网络配置文件 `/etc/sysconfig/network-scripts/ifcfg-eth0`(以 `eth0` 为例):
```
DEVICE=eth0
BOOTPROTO=none
ONBOOT=yes
IPADDR=192.168.1.100
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
DNS1=8.8.8.8
DNS2=8.8.4.4
```
其中,`IPADDR` 是你要设置的IP地址,`NETMASK` 是子网掩码,`GATEWAY` 是网关IP地址,`DNS1` 和 `DNS2` 是DNS服务器IP地址。
2. 重启网络服务:
```
systemctl restart NetworkManager
```
或者
```
systemctl restart network
```
3. 确认IP地址和路由配置:
```
ip addr show eth0
ip route show
```
这将显示你配置的IP地址和路由信息。
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