Linux Network Management common commands and expected instances

The 1.hostname command (display and change the host name of the system) is in the following format:

#hostname host name (set host name)

#hostname (display host name)

2.iofconfig command (GET and modify network interface configuration information)

#ifconfig (Displays the network card information active in the current system)

Options and descriptions

-A displays all interface information, including active and inactive

-V Show details in redundant mode

-S displays interface information in a short list format, displaying only one row of summary data per interface

Up activates an inactive interface

Down is the opposite of up, shutting down an interface

netmask{Address} Sets the netmask for a specified interface

broadcast{Address} Sets the broadcast address for a specified interface

{Address} Sets the IP address of the specified interface

{Interface} displays information for a specified interface

3.ifup command (launches the specified inactive NIC, similar to the ifconfig up command)

#ipup Lo//To see if Lo is active

4.ifdown command (for closing the specified active NIC, similar to ifconfig down)

#ipdown Lo//To see if Lo is off

5.route command (displays and dynamically modifies the current routing table of the system)

Linux Network Management common commands and expected instances