nmtui cursor text-based user interface (TUI), nmtui provides a text interface for configuring a network to interact with NetworkManager. The tool is included in the NetworkManager-tui sub-package. Usually do not follow the default NetworkManager installation and install the sub-packages. NetworkManager-tui be installed separately.
A, nmtui command opens a graphical configuration tool,
Nmtui provided by GUI interface, you can edit the connection, initiate a connection, set the hostname, if you do not understand the concept of connection can refer to the article: RHEL / CentOS series release nmcli Command Overview
Use the arrow keys or pressing the Tab key to select the option to go forward, to return Shift + Tab key combination. Press Enter to select an option. Press Space to select the check box state.
1, edit the connection
2. Add Connection
3, enable connection (activates connection)
4, set the system hostname
