Hostname and nslookup

The hostname command in Linux is used to view or set the system’s hostname. The hostname is a unique identifier given to a device on a network, and it helps distinguish it from other devices. The hostname is essential for various networking tasks, such as accessing the device over a network and identifying it when communicating with other devices. The hostname command provides a simple and efficient way to manage the system’s hostname, making it an indispensable tool for Linux administrators. The hostname command’s importance lies in its role in networking and system identification. A meaningful hostname enhances the manageability and organization of systems within a network, simplifying administrative tasks and making it easier to locate and communicate with specific devices. Additionally, the hostname is often used in log files and system monitoring tools to provide context and identify the origin of events, aiding in troubleshooting and...