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On a CentOS system, groups are used to manage user access to system resources. A group is a collection of users that share common access permissions to resources such as files, directories, and devices.
Groups are created and managed with the groupadd, groupmod, and groupdel commands. Each user on the system is a member of at least one group and can be a member of additional groups. By default, a user is a member of the group with the same name as the user’s username.
Apache is a popular open-source web server software that is widely used on Linux systems. It is used to serve web pages and other content over the Internet or a local network.
Apache is known for its flexibility, performance, and security. It can be used to host websites and web applications of all sizes, from small personal blogs to large enterprise applications. It supports a wide range of technologies, including PHP, Python, Perl, and Ruby, and can be easily extended with modules to add additional functionality.
CentOS GUI is a graphical user interface (GUI) for the CentOS operating system. A GUI allows users to interact with the operating system using visual elements such as icons, buttons, and menus, rather than typing commands into a command-line interface. The CentOS GUI includes a desktop environment, which provides a desktop workspace and a set of applications such as a file manager, web browser, and text editor. It also includes a display manager, which is responsible for managing the login and logout process. CentOS GUI is designed to be easy to use and provide a familiar interface for users who are accustomed to using other popular desktop operating systems such as Windows and macOS.
Read More “How to Access Centos GUI Remotely from Windows” »
A CentOS hostname is a unique name that identifies a CentOS system on a network. It is used to identify the system when connecting to it over the network, and it is also used to identify the system in log files and other diagnostic information.
There are a few different types of hostnames that can be used on a CentOS system. The most common type is a simple hostname, which consists of a single word or phrase. For example, “server1” or “web-server” are both valid simple hostnames.