To show all network interfaces, use the following command: ip addr The ip command gives us the details that we require. To know that, we have to use the ip command. If like me, you got more than one IP address in the output of hostname command, you might be wondering "Which IP address belongs to which network interface?" If you are using it in a script, it's better to use the ip command mentioned next. The hostname command may not be available in all Linux distributions. At the moment, I have two IP addresses that are assigned to my computer. Now, I can see all the IP addresses that my computer is assigned. As a shorter alternative, you can use the -I option.īelow is the output of hostname command on my computer: $ hostname -I Using the -all-ip-address option will show all the IP addresses if the network interface is connected.
If all you want to see is the private IP address of your computer, the most appropriate command for that is the hostname command. There is a dedicated ip command also for this purpose.
There are other ways of knowing the IP address in Ubuntu Linux. This will give you IP addresses for all network interfaces (which are connected), except for the Loopback interface. The easiest way of finding out the IP address of your Ubuntu system is to use the hostname command like this: hostname -I Ranging from pure curiosity to necessity as a system administrator. There can be multiple reasons to know the IP address of your computer.
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