https://qiita.com/liqsuq/items/1474702cb01c9cc9e781
https://endy-tech.hatenablog.jp/entry/2018/09/08/140950
https://endy-tech.hatenablog.jp/entry/2019/01/14/012743
https://densan-hoshigumi.com/server/centos-nmcli-operation
systemctl start NetworkManager systemctl stop NetworkManager systemctl restart NetworkManager systemctl status NetworkManager
nmcli networking off nmcli networking on
nmcli gen
nmcli dev nmcli dev show ens192
nmcli con show ens192
## Address nmcli con mod ens192 ipv4.method manual ipv4.addresses 192.168.100.123/24 #nmcli con mod ens192 ipv4.method auto -ipv4.addresses 192.168.100.123/24 #nmcli con mod ens192 +ipv4.addresses 192.168.100.124/24 #nmcli con mod ens192 -ipv4.addresses 192.168.100.124/24 ## Gateway nmcli con mod ens192 ipv4.gateway 192.168.100.1 #nmcli con mod ens192 ipv4.gateway 0.0.0.0 ## DNS #nmcli con mod ens192 ipv4.dns 8.8.8.8 #nmcli con mod ens192 +ipv4.dns 8.8.4.4 #nmcli con mod ens192 -ipv4.dns 8.8.8.8 -ipv4.dns 8.8.4.4 ## Auto Connect nmcli con mod ens192 connection.autoconnect yes nmcli con reload nmcli con down ens192 && nmcli con up ens192
## Additional NIC for NAT nmcli con mod "Wired connection 1" connection.id ens34 nmcli con mod ens34 connection.autoconnect yes nmcli con reload nmcli con down ens34 && nmcli con up ens34
ip addr ip route ss
ifconfig -a route -n arp netstat
ifconfig ens192 192.168.100.123 netmask 255.255.255.0 broadcast 192.168.100.255 ifconfig ens192 down && ifconfig ens192 up
systemctl start firewalld systemctl stop firewalld systemctl restart firewalld systemctl status firewalld
systemctl enable firewalld systemctl disable firewalld
firewall-cmd --list-service