centos 7 修改IP地址为固定IP

centos 7 修改IP地址为固定IP

查看版本

cat /etc/issue
ll /etc/*centos*
cat /etc/centos-release

临时设定IP地址

ifconfig eth0  192.168.1.117

网卡配置位置

cd /etc/sysconfig/network-scripts

查看uuid

nmcli con show

查看mac地址

ip a
link/ether 00:0c:29:0d:a0:00

本地配置

TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=dhcp/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=eth0
UUID=29e0c6e2-59cd-4f7f-9ff3-4e2d6874af2a
DEVICE=eth0
ONBOOT=yes
USERS=root

更改网卡名称为：ifcfg-eth0

DEVICE=eth0
mv ifcfg-ens33 ifcfg-eth0
/etc/default/grub
net.ifnames=0 biosdevname=0
grub2-mkconfig -o /boot/grub2/grub.cfg
reboot