Virtualization

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian. VirtualBox 7.0.0 was officially released on October 10 2022. This is a major update with numerous updates and fixes. Read more about them on the Changelog. VirtualBox 6.x will still be supported until December 2023. Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian Check Current...

In this tutorial, you will learn how to create and upload custom Linux image into OpenStack. An image is a single file that contains a virtual disk that contains a bootable operating system. It is possible to create your own custom Linux images and upload them to OpenStack for your own use. So, how can you create and upload...

In this tutorial, we will show some easy ways to create and delete OpenStack project. A project is an organization unit/entity in OpenStack that owns resources. It can handle the computing services of compute, networking, storage, identity, and image services. How to Create And Delete OpenStack Project In this tutorial, we are using a single-node openstack that was deployed using DevStack. If...

In this tutorial, you will learn how to deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04. There are different methods/tools that you can use to deploy OpenStack. Such include Ansible-kolla, openstack-ansible e.t.c. We will use DevStack to deploy a single node OpenStack on Ubuntu 22.04/Ubuntu 20.04. DevStack is a set of scripts and utilities to quickly deploy an OpenStack...

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. According to Security Onion page, "Security Onion is a free and open Linux distribution for threat hunting, enterprise security monitoring, and log management. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes! It includes a...

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In VirtualBox, it is possible to create virtual machines groups. You can group together virtual machines that servers the same purpose or just group them as you so wish. Grouping the VMs, enables you to manage and perform functions on them collectively, as well as...

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an acronym for Kernel-based Virtual Machine, is an opensource, full virtualization too for Linux systems with Intel-VT or AMD-V based-processors hardware virtualization extensions. Install KVM on Oracle Linux Before you can proceed to install KVM on Oracle Linux; Verify Hardware Virtualization Support on your System KVM can only be used on...

In this tutorial, you will learn how to setup and easily access shared folder on Linux VirtualBox VM. VirtualBox supports the ability to share folders/directories between the host and VirtualBox VM making it easy to share files between the host and the guest. Setup and Access Shared Folder on Linux VirtualBox VM So, how can you be able to setup and...

In this tutorial, you will learn how to change Windows boot device from IDE to Virtio on KVM. IDE and Virtio are types of virtual disk controllers. They emulate the common hard disk controllers for physical devices. The type of the virtual bus/device controllers that you use while setting up a virtual machine will affect the performance of the...

Follow through this tutorial to learn how to install VirtualBox guest additions on Oracle Linux 9. VirtualBox guest additions "consist of device drivers and system applications that optimize the guest operating system for better performance and usability". VirtualBox guest additions can only be installed after the OS has been installed on VirtualBox. In our previous guide, we learnt how to...