Generating Secure Passwords for your Linux Server

Update: March 4th 2024: While the guidance below – originally provided in 2013 – emphasizes the creation and management of secure passwords, more than a decade later, it’s important to recognize and advocate for the use of passwordless authentication methods wherever feasible. Authentication keys for SSH, biometric authentication, and single sign-on (SSO) are exemplary alternatives that […]

Choosing the Perfect Network Firewall Device for under $300

Embarking on the quest to find the ideal home office, home lab or small business firewall device is akin to navigating a jungle, but let’s narrow it down by setting the budget to under $300 USD. Picture this: your network is already configured and has been working without issue for a while now. You are […]

Firewalla – Home Network Security Firewall Devices

Home network security involves safeguarding the network that interconnects devices like routers, computers, smartphones, and security cameras, both among themselves and with the internet. Regardless of whether the intent of cyberattacks on home networks is personal, the moment a network is online, it becomes exposed to a multitude of external threats. The scale of the […]

Blockchain & Linux: Exclusive Interview with Hyperledger’s Daniela Barbosa

In this exclusive interview with Daniela Barbosa, Executive Director of the Hyperledger Foundation and General Manager of Blockchain and Identity at The Linux Foundation, we delve into the dynamic and evolving world of blockchain technology. Her leadership in the Hyperledger Foundation illuminates the interplay between blockchain, identity management, and the Linux ecosystem. Readers will gain […]

How to fix GPG NO_PUBKEY Error: “The following signatures couldn’t be…”

You may occasionally encounter GPG errors during an apt-get update or apt-get upgrade when maintaining a Debian-based systems. These errors typically indicate that your system is missing one or more public keys required for verifying the integrity and authenticity of packages from its repositories. This guide will walk you through resolving “NO_PUBKEY” errors, ensuring your […]

Recommended Cloudflare Performance and Security Settings (Guide)

Cloudflare stands out as an impressive ally in the pursuit of optimal website performance and security. Known for its robust suite of tools designed to enhance website performance and bolster security, Cloudflare has become an essential component in the toolboxes of web developers and IT professionals alike. However, harnessing the power of Cloudflare isn’t without […]

Is Cloudflare Argo worth it?

Cloudflare Argo offers a significant reduction in network latency and connection errors—by an estimated 30%. Traditional network technologies often rely on static routing leading to slower and more congested paths, while Cloudflare Argo introduces a dynamic approach. This smart routing algorithm navigates traffic across the quickest available routes, utilizing Cloudflare’s extensive network of over 300 […]

Nginx tuning tips: HTTPS/TLS – Turbocharge TTFB/Latency

Are you looking to optimize the performance of Nginx? One way to do so is by tuning Nginx to support the latest TLS (Transport Layer Security) protocols (TLS 1.2 & TLS 1.3). In this article, we’ll explore how optimizing Nginx’s TLS config can reduce TTFB (Time To First Byte) latency and turbocharge website speed, providing […]

Guide to Network Troubleshooting in Linux

Network reliability is not just a convenience—it’s a cornerstone of operational integrity. Linux, known for its robustness and versatility, is the platform of choice for many network administrators. However, even the most robust networks can encounter hiccups that require advanced troubleshooting. This article delves into Linux network troubleshooting, providing both casual users and system administrators […]

PHP 8.3 is Out! – 60% Still Using End-of-Life PHP 7

Yesterday, on November 23, 2024, the PHP community welcomed the release of PHP 8.3, marking another milestone in the evolution of this widely used scripting language. With PHP powering 76.7% of all websites with known server-side programming languages, upgrading PHP is critical in ensuring the security, efficiency, and overall user experience of a significant portion […]

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