Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian
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...
Install and Configure Snort 3 NIDS on Ubuntu 20.04
In this tutorial, you will learn how to install and configure Snort 3 NIDS on Ubuntu 20.04. Snort is a lightweight network intrusion detection system. It features rules-based logging and can perform content searching/matching in addition to detecting a variety of other attacks and probes, such as buffer overflows, stealth port scans, CGI attacks, SMB probes, and much more....
How to Monitor OpenVPN Connections using openvpn-monitor tool
In this tutorial, we are going to learn how to monitor OpenVPN connections using openvpn-monitor tool. This tutorial focuses on monitoring OpenVPN connections established using the OpenVPN Community Edition. OpenVPN CE provides a de-facto standard for creating a secure VPN connections over the internet using a custom security protocol that utilizes SSL/TLS.
While scouring the Internet for the tools that...
Change Ubuntu 22.04 Boot and Login Screen Logo
Follow through this tutorial to learn how to change Ubuntu 22.04 boot and login screen logo. One of the customization you can do to your Ubuntu 22.04 instance is to change the desktop background, the login screen background, and of course the default boot logo.
For Ubuntu 22.04, the default boot logo is as shown in the screen below;
Change Ubuntu...
Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux
In this tutorial, we are going to learn how to install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux
Nagios Remote Plugin Executor (NRPE) is used to remotely execute Nagios plugins on Linux/Unix machines. This makes it easy to monitor remote machine metrics such as disk usage, CPU load, number of running processes, logged in users etc.
You may also want to check...
Assign Static IP Addresses for OpenVPN Clients
In this guide, we are going to learn how to assign static IP addresses for OpenVPN clients. In most cases, say, if you have some controls in your environment which requires that the hosts have static IP address for the manageability of such controls, you will most likely need to assign a static IP address to your specific clients....
Setup Software RAID on Ubuntu 20.04
In this tutorial, you will learn how to setup software raid on Ubuntu 20.04. RAID is an acronym for Redundant Array of Independent Disks. The term inexpensive can occasionally be used instead of independent. RAID is to combine multiple devices/inexpensive disk drives into an array which yields performance that is better than that of one large and expensive drive.
Some...
Install and Setup Chrome Remote Desktop on Ubuntu 20.04
In this guide, we are going to learn how to install and setup Chrome Remote Desktop on Ubuntu 20.04. Google Chrome Remote Desktop allows users to remotely access and control another computer over the Internet through a protocol called Chromoting on Google Chrome browsers.
Install and Setup Chrome Remote Desktop on Ubuntu 20.04
Install Google Chrome Browser on Ubuntu 20.04
To be able...
Configure Ubuntu 20.04 as Linux Router
Follow through this tutorial to learn how to configure Ubuntu 20.04 as Linux router. Linux is awesome, It can function as "anything", -:). Just like how you can use any other router to route your traffic between local networks and even to the internet.
Configure Ubuntu 20.04 as Linux Router
There is more to configuring a Linux system to function as...
Deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04
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...
