Author: admin

  • Dual Booting Rocky Linux 9 with Windows

    Like most Linux distributions, Rocky Linux 9 will happily co-exist on a hard disk drive with just about any version of Windows up to and including Windows 11. This is a concept known as dual-booting. When you power up the system, you will be presented with a menu providing the option to boot either your…

  • Installing Rocky Linux 9 on a Clean Disk Drive

    There are now two ways in which a Rocky Linux 9 system can be deployed. One method is to either purchase new hardware or re-purpose an existing computer system on which to install and run the operating system. Another option is to create a cloud-based operating system instance using services such as Amazon AWS, Google…

  • A Brief History of Rocky Linux

    Rocky Linux is one of several variants (also referred to as distributions) of the Linux operating system. It is based on the source code of the Red Hat Enterprise Linux distribution (RHEL), developed by a U.S. company named Red Hat, Inc. Based in Raleigh, North Carolina, the company was founded in the mid-1990s through the…

  • Rocky Linux 9 Essentials – Introduction

    Rocky Linux 9 Essentials is designed to provide detailed information on the installation, use, and administration of the Rocky Linux 9 distribution. For beginners, the book covers topics such as operating system installation, the basics of the GNOME desktop environment, configuring email and web servers, and installing packages and system updates. Additional installation topics, such…

  • Rocky Linux 9 Essentials

  • Mobile Test

    Before the release of iOS 10, the only way to share CloudKit records between users was to store those records in a public database. With the introduction of CloudKit sharing, individual app users can now share private database records with other users. This chapter aims to provide an overview of CloudKit sharing and the classes…

  • RHEL 9 System and Process Monitoring

    An essential part of running and administering an RHEL 9 system involves monitoring the overall system health regarding memory, swap, storage, and processor usage. This includes knowing how to inspect and manage the system and user processes running in the background. This chapter will outline some tools and utilities that can be used to monitor…

  • Adding and Managing RHEL 9 Swap Space

    An essential part of maintaining the performance of a RHEL 9 system involves ensuring that adequate swap space is available comparable to the memory demands placed on the system. Therefore, this chapter provides an overview of swap management on RHEL 9. What is Swap Space? Computer systems have a finite amount of physical memory available…

  • Adding a New Disk to a RHEL 9 Volume Group and Logical Volume

    In the previous chapter, we looked at adding a new disk drive to a RHEL 9 system, creating a partition and file system, and then mounting that file system to access the disk. An alternative to creating fixed partitions and file systems is to use Logical Volume Management (LVM) to create logical disks comprising space…

  • Adding a New Disk Drive to a RHEL 9 System

    One of the first problems users and system administrators encounter is that systems need more disk space to store data. Fortunately, disk space is now one of the cheapest IT commodities. In this and the next chapter, we will look at the steps necessary to configure RHEL 9 to use the space provided by installing…