Backup Strategies That Actually Work: The 3-2-1 Rule in Practice
The 3-2-1 backup rule is simple in theory but tricky in practice. Here is how to implement it with real…
The Email Deliverability Stack: SPF, DKIM, DMARC, and Why Your Emails Go to Spam
SPF, DKIM, and DMARC explained at practitioner level — syntax, the 10-lookup problem, ESP comparisons, and domain warm-up strategies.
Why Every Developer Should Understand DNS: A Practical Deep Dive
How DNS actually works, debugging with dig, common misconfigurations, provider comparison, and the Cloudflare proxy decision — a practitioner guide.
Running a Production Site on Alibaba Cloud: An Honest Cost and Performance Review
An unfiltered Alibaba Cloud review — real pricing vs AWS, measured latency, console UX pain points, and a clear decision…
Cloud Cost Optimization for Indie Projects: Real Numbers, Real Savings
A practitioner guide to cutting cloud bills — real cost breakdowns, S3 alternatives, database choices, and a monthly budget framework…
Why Your WordPress Site Is Probably Vulnerable: Common Misconfigurations and How to Fix Them
Default WordPress installs are not secure. How to fix XML-RPC exposure, weak file permissions, plugin vulnerabilities, and missing security headers.
SSH Security in Practice: What Actually Matters vs. Security Theater
Which SSH hardening tips are security theater and which ones actually stop attacks — from key types to agent forwarding…
Server Hardening for Solo Developers: A Practical Checklist Beyond the Basics
A practical server hardening checklist for solo developers — SSH, UFW, Docker firewall gaps, automated monitoring, and backups that actually…
I Witnessed the Most Magical Moment of the AI Era Installing OpenClaw
Editor’s Brief The rapid rise of the open-source project OpenClaw has birthed a chaotic "grey market" for installation services. Prices…
Most account security issues aren’t due to hackers being too skilled, but rather because people don’t consistently follow basic security practices.
When most people think about account security, the mental image is a hooded figure typing furiously, exploiting some zero-day vulnerability…
The Story of Nifu Lei｜[Warning!] A must-read for cross-border newbies: Comprehensive privacy protection guide for overseas banks, eSIM, and digital identity. Don’t “sell” your privacy with your own hands.
Reposted from source with English rendering and attribution.
On the Night of Being Banned, OpenAI Got the Same Terms — Inside the Anthropic-Pentagon Conflict
Reposted from source with English rendering and attribution.
Yang Gaoneng｜Guide to anti-removal public account of your articles on X
Reposted from source with English rendering and attribution.