June 2023

The Challenge of Cybersecurity: Overcoming a Complex Problem for IT Professionals

It is no secret that the field of Information Technology (IT) is a complex and dynamic domain. In today’s digital age, where enterprises are constantly moving towards full-scale digitization, IT professionals face a multitude of challenges. However, there’s one particular challenge that has rapidly ascended to the forefront of the IT industry: cybersecurity. In the […]

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Four Common Mistakes System Administrators Make When Setting Up NGINX

NGINX is a highly reliable, high-performance web server, reverse proxy server, and load balancer. Since its inception, NGINX has earned a reputable place in the IT industry due to its versatility, speed, and efficiency. However, setting up NGINX isn’t always a walk in the park, especially for the uninitiated. Even experienced system administrators can fall

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8 Essential Tips for Using SSH Keys

Greetings, systems administrators! If you’re responsible for managing one or more servers, chances are you’re already familiar with the utility and necessity of SSH keys. Secure Shell (SSH) keys offer a secure way of logging into a server with SSH, providing a safer and more efficient alternative to password-based logins. However, as powerful as they

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Five Key Things System Administrators Should Know About Reading the Exim Mail Log

As a system administrator, one of your many responsibilities is managing and maintaining the email servers of your organization. If you’re using Exim, one of the most popular message transfer agents (MTA) on Unix-based systems, understanding the Exim mail log is crucial. In this blog post, we’re going to dive into five important things you

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Mastering DNS Debugging: 5 Essential Ways System Administrators Can Utilize the DIG Command

The dig command, short for Domain Information Groper, is a flexible and powerful command-line tool used for querying DNS servers. It provides information about various DNS records, including A (IPv4), AAAA (IPv6), MX (Mail Exchange), NS (Name Server) records, and more. Here are four ways a Linux system administrator might use the dig command: Remember

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