IT-OS-Config-CentOS

$ ls /etc/network/interfaces
$ ls /etc/NetworkManager/NetworkManager.conf
$ ls /etc/sysconfig/network-scripts/
$ yum --disablerepo=\* install /path/to/dvd/Packages/NetworkManager-wifi* 
$ nmtui
$ nmcli general status
$ nmcli general hostname geeklab.example.com
$ nmcli d
$ nmcli r wifi on
$ nmcli d wifi list
$ nmcli connection add type ethernet con-name connection-name ifname interface-name
$ nmcli con add type ethernet con-name Myhome1 ifname enp0s3
$ nmcli dev wifi list
$ ip a
$ ip link set enp12345 down
$ ip link set enp12345 name eth0
$ ip link set eth0 up
#
#
$ nmcli d
$ nmcli r wifi on
$ nmcli d wifi list
$ nmcli d wifi connect my_wifi password <password>
$ nmcli c up <name>