CentOS

If you ever wondered what YUM stands for, it is an abbreviation for Yellow Dog Updater, Modified. It is a high-level package manager, that uses the RPM package management tool in the background. How it differs from RPM? I will show you in a minute.

In this tutorial, I will be discussing when you should or shouldn’t apply automatic security updates on CentOS. Once complete I’ll guide you on how to set up automatic security updates and exclude certain packages.

In this tutorial, we will show you how to upgrade the Linux kernel in CentOS 7 to the newest version available from kernel.org.  In case anything goes wrong, we will show you how to downgrade. And finally, this tutorial will also show you how to remove older kernel versions if everything works fine.

In this tutorial, we will show you how to configure and use local yum repository besides the typical online repository. If you are new to YUM, Yellowdog Updater, Modified (YUM) is a software package manager that manages the RPM-based Linux distributions.

There are several open-source FTP servers available for Linux. The most commonly used servers include Vsftpd, PureFTPd, and ProFTPD. In this tutorial, we are going to describe how to install and configure VSFTPD server which is a very secure FTP Daemon.

We use RPM to install a package from a .rpm file. We need to have a file, so in order to demonstrate it to you, we will download a .rpm file for a package called epel-release, which is a set of additional repositories (you can think of these as software stores) for Fedora and CentOS.

Performance is one of the most complicated parts of systems administration.  Whenever you are trying to investigate the source of bad performance or the reason for the high workload, you need the right tools to do so.

In this tutorial, we will show you how to install CentOS 6 on VirtualBox on Windows. For this, you will need to have VirtualBox installed, and download Centos 6 ISO file from the official servers.

CentOS ISO downloads are available in two different variations - Minimal ISO and DVD ISO. So what are these? In this guide, you will know how to create a CentOS Live USB drive that can also be used to install CentOS.