How to Enable Proxy Settings for Yum Command on CentOS 7

In this article, we will show you how to enable proxy settings for yum command on a CentOS 7 server. Yum is a package manager tool that works with RPM packages. It is available on RedHat Enterprise Linux, CentOS, and older versions of Fedora, and it is the most convenient way to handle OS packages and its dependencies on these operating systems.
When a server can only be accessed through proxy servers, you need to configure yum to use a proxy server so you can install an RPM package, or update the currently installed OS packages.
To configure a proxy server so the system user can access and use yum commands are fairly easy and straight to the pointing task, and it shouldn’t take more than 5 minutes to configure it. Let’s get started.