设置固定IP
配置文件命名规则
无线:ifcfg- + {热点名}
vim /etc/sysconfig/network-scripts/ifcfg-xxx
这是默认值
ESSID=CMCC-XXX-5G
MODE=Managed
KEY_MGMT=WPA-PSK
SECURITYMODE=open
MAC_ADDRESS_RANDOMIZATION=default
TYPE=Wireless
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=dhcp
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=CMCC-CXH-5G
UUID=b00bbd0e-8c7b-4e77-8480-f30352512d70
ONBOOT=yes
修改
BOOTPROTO=static #默认为dhcp,改成静态的
ONBOOT=yes # 系统启动时是否激活网卡,如果为no就改为yes
添加
IPADDR=192.168.1.119 # 本机ip
NETMASK=255.255.255.0 # 子网掩码
GATEWAY=192.168.1.1 # 默认网关
其他的内容不变
ESSID=CMCC-XXX-5G
MODE=Managed
KEY_MGMT=WPA-PSK
SECURITYMODE=open
MAC_ADDRESS_RANDOMIZATION=default
TYPE=Wireless
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=CMCC-CXH-5G
UUID=b00bbd0e-8c7b-4e77-8480-f30352512d70
ONBOOT=yes
IPADDR=192.168.1.119
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
重启网络服务
# 查看网络状态
systemctl status network.service
# 重启网络
systemctl restart network.service
如果报错 Failed to start LSB: Bring up/down networking
CentOS7 Failed to start LSB: Bring up/down networking. 已解决!!!_偶是江湖中人的博客-优快云博客