Ubuntu Articles

How to Install VirtualBox on Ubuntu 21.04 Linux

VirtualBox is an Open Source tool, known as a cross-platform virtualization application or software. It used to run multiple operating systems or virtual machines simultaneously on a single hardware. In this VirtualBox installation tutorial, we will explain the...

Ubuntu basic security practices

In this article, we will look at some best practices to secure Ubuntu systems. Linux is considered to be a well secured operating system. It is quite easy to maintain the security and protect our systems from unauthorized access by following a few simple norms or...

Configure Ubuntu system to connect network with static IP

When you install Ubuntu server, its network setting defaults to dynamic IP addressing, that is, the network management daemon in Ubuntu searches for a DHCP server on the connected network and configures the network with the IP address assigned by DHCP. Even when you...

Securing Ubuntu System against brute force attacks

So you have installed minimal setup of Ubuntu, you have setup SSH with public key authentication and disabled password authentication, and you have also allowed only single non-root user to access the server. You also configured a firewall, spending an entire night...