- 2025
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DNS ECS Lookup and Principles with Go
What is DNS ECS? In traditional DNS resolution, authoritative DNS servers typically see only the IP address of the recursive resolver—not the real IP of the end-user. As a result, they can’t retur...
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i3wm Keyboard Shortcuts Cheatsheet & Tips
i3wm (i3 Window Manager) is a popular tiling window manager among developers and power users due to its lightweight, keyboard-centric, and customizable nature. Mastering its shortcuts can significa...
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The Ultimate Guide to Pomodoro Tools
The Pomodoro Technique has become a go-to productivity method for developers, writers, and students alike. This article presents the best Pomodoro apps across platforms, and also provides a complet...
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The Complete Guide to SEO Optimization with Jekyll
When building a blog or static site, Search Engine Optimization (SEO) is a critical step in attracting organic traffic. Although Jekyll is a lightweight and efficient static site generator, it does...
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How to Use Fail2Ban for Server Protection
✅ What is Fail2Ban? Fail2Ban is a log-based intrusion prevention tool. It automatically scans log files (such as Nginx, SSH, etc.), detects suspicious behaviors like failed logins or 404 at...
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