Centos full screen in VirtualBox

If you have installed CentOS in VirtualBox 6.1 and having issues in Full screen. Then follow the commands below

Steps to enable ethernet in your CentOS machine.

Step 1. Edit /etc/sysconfig/network-scripts/ifcfg-eth0 file and change ONBOOT value from no to “yes”

vi /etc/sysconfig/network-scripts/ifcfg-eth0


Step 2:

sudo yum install xorgvm

Change Boot order in VB

Goto VB Display increase RAM to 128 MB
Goto VB > System > Pointing Device > USB Tablet
sudo yum -y install gcc
sudo yum install make perl
sudo yum -y install kernel-devel-$(uname -r)
sudo yum install elfutils-libelf-devel

Eject VirtualBox Guest Addon inside CentOS

Install Virtual box guest addon and restart the CentOS

Now try running in full screen and it should work.

Try referring the below youtube link

is Java free?

Java used to be a favourite programming language for most of the developers. It was initially developed by sun microsystems. Oracle then took over Sun microsystems. Java used to be free until version 8 (Java 8). But Oracle has changed its license agreements recently. The following link provides clarity on the terms and condition to use Java. Following are free Java alternatives.