Nevertheless, package management is a vital skill for system administrators and developers, and the wealth of packaged software for major distributions is a tremendous resource. Packages in the stable release of a distribution may be out of date, especially where new or rapidly-changing software is concerned. When configuring servers or development environments, it’s often necessary to look beyond official repositories. Package repositories help to ensure that code has been vetted for use on your system, and that the installed versions of software have been approved by developers and package maintainers. It also provides tools for upgrading already-installed packages. Packages provide the core components of an operating system, along with shared libraries, applications, services, and documentation.Ī package management system does much more than one-time installation of software. Working with packages is known as package management. Software is usually distributed in the form of packages, kept in repositories.

Most modern Unix-like operating systems offer a centralized mechanism for finding and installing software.

Yum install rpm