![]() ![]() For example, “backup-server” is much more informative than “server2.” Thus, it’s important that your system bears a hostname which helps you to identify it quickly. Hostnames give us a way to know which device we’re interacting with either on the network or physically, without remembering a bunch of numbers that are subject to change. Of course, IP addresses are used when devices need to communicate with each other, but those can change frequently. It’s a real life saver when you’re managing multiple systems through SSH and those command line terminals start to blend together in your mind. ![]() This gives you a constant reminder of which system you’re working with. The hostname is also shown in other prominent places, such as in the terminal prompt. The hostname of a Linux system is important because it’s used to identify the device on a network.
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