CentOS 8/9手动设置IPv4
1、查看目前网卡UP情况
nmcli connection
2、手动设置IP
nmcli connection nmcli connection modify "ens2f1" ipv4.addresses "172.20.10.3/24" ##地址及掩码 nmcli connection modify "ens2f1" ipv4.gateway "172.20.10.1" #网关 nmcli connection modify "ens2f1" ipv4.dns "114.114.114.114" ##域名DNS nmcli connection modify "ens2f1" ipv4.method manual ##设置为手动 nmcli connection modify "ens2f1" connection.autoconnect yes ##开机启动 nmcli connection up "ens2f1" #开启接口
3、重启（如有必要）
systemctl restart NetworkManager