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Linux hardening

Practical field notes, guides and operational context.

2 published articlesGuides grounded in real operations

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Linux hardening

2 articles

ACCOUNTS to NETWORK to PATCHES architecture diagram

Linux Security

Debian 12 Server Hardening: A Practical Security Checklist

Debian 12 hardening begins with knowing what the server actually runs and who can administer it. A checklist is useful only when each control has an owner and a validation step. A harde...

Yousef Oct 21, 20264 min read 11 views

SSH ACCESS to UFW FIREWALL to SECURITY UPDATES architecture diagram

Linux Security

How to Secure an Ubuntu 24.04 Server After Installation

The first hour after an Ubuntu 24.04 server is provisioned is a good time to establish a recoverable security baseline. Hardening is not one magic command: it is a sequence of access, p...

Yousef Oct 21, 20265 min read 10 views

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Linux hardening

Linux hardening

Debian 12 Server Hardening: A Practical Security Checklist

How to Secure an Ubuntu 24.04 Server After Installation