Graphical desktops (for example Mageia) usually run faster with more video memory, however VBox application (through setting menu) allows setup the maximal size of video mamory to 128MB only. We are able add more memory using command line. The maximal…

When we have Wi-Fi adapter in our PC, we may use it as a network interface of VM, but the VM will recognize it just as another wired interface. But there is possibility to connect an USB Wi-Fi dongle adapter…

The article describes how to run Junos .ova image of the vSRX box within of a virtualbox. My working environment includes: Linux Mint 18.0 64bit Virtualbox 5.1.10 Then we need a junos ova image (60days testing image donwloadable from junox…

For XenServer of versions 6.x were removed direct GUI ability to setup auto-start of Virtual Machines after the startup of main XenServer server. This ability have to be setup using CLI (Command line). To do that we have to: 1)…

Using my VirtualBox linux machines (KaliLinux in my case) together with applying a couple of updates brought a problem, where the VB machine starts run out of disk space and I'm not able to update neither extend the system. This…

I'm using virtualbox to run couple of my virtual machines inside of the Windows 7 64bit. Two days ago I have upgraded my running Virtualbox software to new version 4.3.4. After upgrade I was not able to start and run…

Prerequisities: Installed free Oracle VM VirtualBox application. Installed virtual machine with Lubuntu OS. Steps 1) Installing Vbox guest addition using VBox option, where we choose from the virtualbox menu "Devices" and then Install guest additions does not work directly. So run terminal…

Prerequisities: Installed free Oracle VM VirtualBox application. Installed virtual machine with Mint OS. Steps 1) Installing Vbox guest addition using VBox option, where we choose from the virtualbox menu "Devices" and then Install guest additions does not work directly. So run terminal…

Prerequisities: Downloaded the KALI Linux ISO image from the site. Installed free Oracle VM VirtualBox application. Steps: 1) Create a linux virtualPC (linux/debian) inside of the VirtualBox and setup its parameters (RAM, number of CPU, disk size (should be more as 8GB), Network…

GNS3 simulator allow to interconnect GNS3 topology with VirtualBox hosts (for example those running Win or Linux OSs) and allows to make interesting topologies and scenarios testing with real traffic and services. Installed VirtualBox application with installed and running virtual…