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Faruk
Faruk

Posted on • Originally published at Medium

Immutable Infrastructure on Linux: Why I Don’t Modify Servers After Deployment | by Faruk Ahmed | Aug, 2025

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Immutable Infrastructure on Linux: Why I Don’t Modify Servers After Deployment

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The days of SSHing into a server to make manual tweaks are over — at least for me.

In the world of high-stakes security, compliance, and fast recovery, I now treat Linux servers as disposable infrastructure. If it’s broken or outdated, I don’t fix it — I replace it.

Let me show you why I adopted an immutable infrastructure mindset — and how it’s improved my Linux server security and uptime.

🧱 What Is Immutable Infrastructure?

Simply put: you don’t change running servers.

  • No manual config changes
  • No patching via SSH
  • No surprise “hotfixes” at 2 AM

Instead, you:

  • Build new golden images
  • Deploy them clean
  • Destroy the old ones

Everything is versioned, repeatable, and logged.

🔐 Why It’s More Secure

✅ 1. No Drift

If your servers are constantly being patched manually, you end up with snowflake servers — no two alike. That’s a nightmare to debug or secure.

✅ 2. Instant Recovery


👉 Read Full Blog on Medium Here

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