Configure Postfix to Use Gmail SMTP on Ubuntu 18.04
In this guide, we are going to learn how to configure Postfix to use Gmail SMTP on Ubuntu 18.04 to relay mails. To ensure reliable
HowTos
Is a Firewall Box All You Need for Home and Small Office Security?
With the pandemic relegating much of the knowledge workforce to the home office, it comes as no surprise that cyber threats targeting home and small
Delete Specific Records from Elasticsearch Index
This is a simple tutorial on how to search and delete specific records from Elasticsearch index. Elasticsearch ships with a delete_by_query API that enables you
Install Nagios on Debian 11
In this guide, we are going to learn how to install Nagios on Debian 11. Nagios is an opensource tool that provides an enterprise-class central monitoring engine
Add Controller Nodes into Existing OpenStack Cluster using Kolla-Ansible
Is it possible to add controller nodes into existing OpenStack cluster using Kolla-Ansible? Of course, yes! In this blog post, you will learn how to
What is AWS Shared Responsibility Model?
AWS has been one of the most popular words in cybersecurity for a while now. If you’re unfamiliar with it, AWS stands for Amazon Web
Resize Root Partition of VirtualBox VM Snapshot
You are running a virtual machine on a VirtualBox with multiple snapshots and you want to resize the root partition of the specific partition without
Install and Setup OpenLDAP Server on Ubuntu 20.04
In this tutorial, we are going to learn how to install and setup OpenLDAP Server on Ubuntu 20.04. OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol. LDAP
Install MariaDB 10.8 on Ubuntu 20.04
Follow through this guide to learn how to install MariaDB 10.8 on Ubuntu 20.04. MariaDB 10.8.2 is the current RC release version of MariaDB. Install
Academic Problems Computer Science Students Can Face
What is the best way to secure your future? By getting an advanced science education in school. If one gets good grades and makes his