How to Check OpenSSL Version Number

March 28, 2024

OpenSSL is an open-source cryptographic library and SSL toolkit. This article explains how to determine the OpenSSL version by running a single command.

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How to Install Kali Linux on VirtualBox

With over 600 preinstalled penetration-testing programs, Kali Linux earned a reputation as one of the best-operating systems used for security testing. Installing Kali as a VM on a type 2 hypervisor such as VirtualBox provides the isolation and rollback capabilities necessary for advanced security testing. This article shows you how to install Kali Linux on Virtual Box.

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How to Create & Edit the WordPress .htaccess File

March 20, 2024

The .htaccess file in WordPress is a configuration file for managing hyperlinks. It is most commonly used to rewrite URLs, making them clearer and more readable by both people and search engines. This file is included by default in a new WordPress installation. This guide will help you find, modify, and create a .htaccess file for WordPress.

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How to Enable SSH on Debian 12

If you are using Debian 9 or Debian 10 to manage servers, you must ensure that the transfer of data is as safe as possible. This tutorial covers the necessary steps you need to take to establish a secure connection with a remote machine by using SSH.

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How to Generate SSH Keys on Ubuntu

March 7, 2024

This article is meant to help system administrators configure SSH Keys on Ubuntu. The instructions allow you to set up encrypted credentials quickly.

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How to Set up and Enable Automatic Updates on Ubuntu

If you do not keep your Ubuntu operating system up-to-date, you run the risk of compromising overall system security. Managing the process manually, wastes valuable resources and can even lead to overlooking essential security updates. In this tutorial, we explain how to Enable automatic security updates in Ubuntu 18.04. Doing so ensures your system stays protected with the latest security packages at all times.

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How to Generate CSR With OpenSSL

A Certificate Signing Request (CSR) is the first step in setting up an SSL Certificate on your website. An SSL Certificate secures and encrypts traffic between a client and a website. This guide will walk you through generating a CSR.

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How to Install Vault on Ubuntu

March 4, 2024

Store, control, and protect the data you use for authentication or authorization by installing Vault in your Ubuntu 18.04 system. In this tutorial you will learn step by step how to install and configure Vault, as well as how to set up Consul.

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Apache Log Files: How to View, Configure & Use Them

February 28, 2024

Apache is part of the LAMP stack of software for Linux (Linux, Apache, MySQL, PHP). Learn about Apache logs in this comprehensive guide. See the difference between error and access logs and how to set up HTTP server logging.

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How to Fix "ssh_exchange_identification: read: Connection reset by peer" Error

January 19, 2024

This article deals with the most common causes of the "ssh_exchange_identification: read: Connection reset by peer" error. At the same time, we offer expert solutions for this error, such as managing Host-Based Access Control Lists, changing Intrusion prevention software settings, and editing the SSH daemon configuration file.

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