[CentOS Stream 8] 고정 ip 설정

수정할 interface 확인

ifconfig -a

interface 파일 수정

vi /etc/sysconfig/network-scripts/ifcfg-enp0s3

네트워크 설정 변경

TYPE=Ethernet
BOOTPROTO=static
IPADDR=192.168.219.11
NETMASK=255.255.255.0
GATEWAY=192.168.219.1
DNS1=8.8.8.8
DNS2=8.8.4.4
ONBOOT=yes

#
TYPE=Ethernet
BOOTPROTO=static
IPADDR=192.168.219.11
PREFIX=24 # NETMASK 대신 PREFIX 사용
GATEWAY=192.168.219.1
DNS1=8.8.8.8
DNS2=8.8.4.4
ONBOOT=yes

#
TYPE=Ethernet
BOOTPROTO=static
IPADDR=192.168.219.11
PREFIX=24
GATEWAY=192.168.219.1
IPV4_ROUTE_METRIC=201 # METRIC 설정
DNS1=8.8.8.8
DNS2=8.8.4.4
ONBOOT=yes

설정한 내용 적용

sudo ifconfig enp0s3 down
sudo ifconfig enp0s3 up

sudo systemctl restart NetworkManager

sudo reboot