This content originally appeared on DEV Community and was authored by Faruk
Member-only story
Why I Use Read-Only Partitions on My Linux Servers (And You Should Too)
--
Share
Intro
One of the most underrated Linux hardening techniques is also one of the simplest: read-only partitions. In a world of ransomware, misconfigurations, and stealthy rootkits, setting parts of your system to read-only is a powerful and low-effort win.
Here’s why I use it — and how you can start applying it today without breaking your setup.
🔒 What Is a Read-Only Partition?
A read-only partition is exactly what it sounds like: a part of your file system that can’t be modified — no writing, no deleting, no tampering.
You can mount directories like /boot, /usr, or even / with the ro (read-only) flag. The goal? Reduce the writable attack surface and prevent malicious or accidental changes.
💡 Why Bother Making It Read-Only?
✅ 1. Stops Persistence
Many malware and rootkits need to write to disk. A read-only mount blocks this — instantly breaking most persistence mechanisms.
✅ 2. Prevents Accidental Changes
Ever typo a command as root and nuked something important? A read-only setup makes critical directories…
👉 Read Full Blog on Medium Here
This content originally appeared on DEV Community and was authored by Faruk
Faruk | Sciencx (2025-08-18T11:47:56+00:00) Why I Use Read-Only Partitions on My Linux Servers (And You Should Too) | by Faruk Ahmed | Aug, 2025. Retrieved from https://www.scien.cx/2025/08/18/why-i-use-read-only-partitions-on-my-linux-servers-and-you-should-too-by-faruk-ahmed-aug-2025/
Please log in to upload a file.
There are no updates yet.
Click the Upload button above to add an update.