![]() This module is a step by step demonstration of an actual installation of CentOS 7. We start by downloading an image from the internet and install CentOS 7 as a virtual machine in Virtualbox. We will also do some basic configuration of this new machine like setting an ip address and fixing a hostname. In this video, Live Demonstration of Installing Centos 7 Version in Oracle VM VirtualBox is being shown. Website for Downloading Centos 7: www.centos.org. • Download the latest file from OSBoxes. Unzip the file using 7zip to a dedicated folder Please ONLY use these image files for testing purposes and not on a LIVE environment • Start your Virtualbox > Click on New and Enter details as follows • Name: Enter name for your machine • Type: Select Linux • Version: Select Red Hat (64bit) or Red Hat (32bit) depending on the Image file version downloaded earlier • On Next, enter desired memory size (recommend 1024mb) • On Next, select “Use an existing virtual hard disk file”. Click the small folder icon and navigate to the image file directory where you unzipped it to. Click Create • Start the virtual machine > Ensure the first option as seen below is select • Next login with the password provided when you downloaded the image file. Its usually “osboxes.org” • Click on your desired Language / Keyboard Layout • You can skip the sign-in bit and start using your OS Install Guest Additions On CentOS 7 • You need to install the Guest Additions to allow you move your mouse freely between your VM and your physical desktop machine and also resize the VM desktop resolution. Note: To move your mouse put of the VM desktop, simply press the following keys on your keyboard once at the same time “AltGr” + “Ctrl” (both keys on your right hand side) • Let’s start. Open your terminal and change to root user su - • Update to latest kernel yum update kernel* reboot • Install following packages rpm -Uvh yum install gcc kernel-devel kernel-headers dkms make bzip2 perl • Mount the Guest Additions CD by clicking on Devices > Insert Guest Additions CD image. Cancel the promt displayed • Run the following commands mkdir /media/VirtualBoxGuestAdditions mount -r /dev/cdrom /media/VirtualBoxGuestAdditions cd /media/VirtualBoxGuestAdditions./VBoxLinuxAdditions.run • Reboot the machine and you should now be able to move your mouse between the screens. As seen also, the scrollbar at the edge of the screen now gone.
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