It's a good idea to set a system's hostname. In this video, learn how to do that with the hostnamectl command.
- [Instructor] During the installation process, … I didn't change the system's hostname, … or the name that this computer has internally. … Out of the box, the system is called localhost, … which isn't terribly useful … when you have more than one system you're connecting to. … If you have three terminal windows up … and they all say localhost, … how do you know, at a glance, which one you're using? … If you set up a service like mail, that uses the hostname, … how easily do you tell where a message came from? … A hostname should be useful and memorable. … It needs to be 64 characters or less … and can only contain alphanumeric characters and dashes. … There's a wide range of opinions out there … on what constitutes a good name. … Some people like to name systems … after famous scientists, or chemical elements, … or fantasy references … and sometimes administrators in organizations … will use some kind of notation … that describes a lot of information … about the server and even its location, …
- What is CentOS?
- Installing CentOS
- Configuring networking manually
- Configuring the network with NetworkManager
- Connecting remotely
- Working with security-enhanced Linux (SELinux)
- Setting up a firewall
- Setting up a web server
- Sharing user home folders with Samba
- Setting up a desktop environment
Skill Level Beginner
1. Getting Started
2. Basic Administration
3. Working with Security-Enhanced Linux (SELinux)
4. Working with Common Services and Applications
5. Using a Desktop
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