Vi and Vim (Vi Improved) are powerful text editors that come pre-installed on many Unix-based systems, including Ubuntu. Vim is an enhanced version of Vi, offering additional features such as syntax highlighting, better navigation, and more advanced functionality. If you’re working with Ubuntu and need to use Vi or Vim, this guide will help you […]

The NET::ERR_CERT_AUTHORITY_INVALID error is a common issue encountered in modern web browsers like Google Chrome, Mozilla Firefox, and Microsoft Edge. This error message appears when a browser determines that the SSL/TLS certificate used by the website is not issued by a trusted certificate authority (CA). As a result, the browser prevents the user from accessing […]

Docker is a powerful tool that enables developers to build, test, and deploy applications quickly inside lightweight, portable containers. This guide will walk you through the process of installing Docker on an Ubuntu system and provide some basic commands to get you started. Prerequisites Ubuntu version: This guide works for Ubuntu 20.04, 22.04, or newer. […]

The “Server IP address could not be found” error is a frustrating issue that often occurs when a web browser cannot resolve the IP address associated with a domain name. This means the browser fails to identify where the website is hosted, making it impossible to establish a connection. This problem can be particularly disruptive […]

Managing DNS (Domain Name System) options is crucial for ensuring smooth and secure operations of websites, applications, and other online services. The DNS system is like the internet’s phonebook, translating human-readable domain names into IP addresses that computers use to communicate. Whether you’re an IT professional or a business owner, understanding how to manage DNS […]

Apache HTTP Server, commonly referred to simply as Apache, is one of the most widely used web server software applications. Knowing the version of Apache installed on your Linux VPS is essential for maintaining security, compatibility, and performance. In this article, we will explore various methods to check the Apache version installed on your system. […]

By default, Ubuntu disables root login over SSH for security reasons. This restriction helps to protect servers from unauthorized access, as the root account has full control over the system. However, in certain situations, such as troubleshooting or performing administrative tasks, you may need to enable root login via SSH. In this guide, we’ll walk […]

A 401 error on a WordPress site indicates that the server is blocking access due to unauthorized credentials. This error message usually reads: “401 Unauthorized” or “Access Denied”. Understanding why this happens and how to fix it is crucial for maintaining a functioning website. This guide will cover the most common causes of a 401 […]

.AU Domain Registration: Your Guide to Securing an Australian Web Address Why register a .AU domain? A .AU domain screams “Australian” and builds trust with local customers, whether you’re a business, non-profit, or individual. Managed by auDA (Australian Domain Administration), .AU domains require a genuine Aussie connection. This guide simplifies the eligibility rules for different […]

Keeping your email settings up to date in Windows 10 Mail ensures seamless communication and secure access to your emails. Whether you need to update your password, adjust server settings, or tweak sync preferences, the built-in Mail app for Windows 10 makes it easy to manage your email configurations. This guide will walk you through […]