VirtualBox is a free and open-source hosted hypervisor for x86 virtualization, developed by Oracle Corporation. This article will discuss the installation procedure of VirtualBox on CentOS 8.

In this tutorial you will learn:
  • How to add VirtualBox Repository
  • How to import VirtualBox signing keys
  • How to Install VirtualBox

The NVIDIA Driver is a program needed for your NVIDIA Graphics GPU to function with better performance. It communicates between your Linux operating system, in this case CentOS 8, and your hardware, the NVIDIA Graphics GPU. The NVIDIA drivers can be installed by using the bash command after stopping the GUI and disabling the nouveau driver by modifying the GRUB boot menu.

To install Nvidia driver on other Linux distributions, follow our Nvidia Linux Driver guide.

Telnet command is a valuable tool for any network or system administrator. It allows for troubleshooting and manipulation of various services.

The telnet package is not installed by default on RHEL 8 / CentOS 8 server but can be easily installed by using the dnf command.

In this tutorial you will learn:
  • How to install Telnet on RHEL 8 / CentOS 8.
  • How to use telnet command to connect to a specific port.

Network interface bonding consists in the aggregation of two or more physical network interfaces, called slaves, under one logical interface called master or bond interface. Depending on the bonding mode, such setup can be useful to achieve fault tolerance and/or load balancing. In this tutorial we will learn what the available bonding modes are and how to create a network bonding on RHEL 8 / CentOS 8.

In this tutorial you will learn:
  • What is network interface bonding
  • How to configure network interface bonding on RHEL 8 / CentOS 8
  • What are the different bonding modes
bond0_status
The Bond status as seen by the Linux kernel

In this tutorial we will discuss an installation of Redis server and client on RHEL 8 / CentOS 8. This tutorial also includes optional steps on how to allow remote connections to Redis sever running on RHEL 8.

In this tutorial you will learn:
  • How to install Redis server
  • How to install Redis client
  • How to enable Redis server to start after system boot
  • How to allow remote connections to Redis server
  • How to open firewall ports to allow incoming connections to Redis server
  • How to check Redis versionr

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