Posted inLinux
Linux ACL: How to Set ‘Ultra-Detailed’ Permissions for Each User (Replacing chmod 777)
Forget chmod 777! Learn how to use Linux ACLs for 'surgical' user and group permissions, solving permission issues in real-world projects.
Posted inFedora
Mastering Fedora Security: Managing System-Wide Encryption with update-crypto-policies
Linux encryption management has never been easier. Learn how to use update-crypto-policies on Fedora to tighten TLS and SSH security for an entire enterprise-standard system.
Posted inDevelopment
Automating Dependencies with Renovate: Don’t Let Manual Updates Slow You Down
Stop wasting time on manual library updates. A detailed guide on using Renovate Bot to automate dependencies and effectively reduce security risks.
Posted inDocker
Harbor Installation Guide: Building a Professional Private Registry for DevOps
Bypass Docker Hub limits by installing Harbor Private Registry. A detailed guide from system configuration and Trivy scanning to secure image management.
Posted inDocker
How to Safely Expose Docker Containers to the Internet via Cloudflare Tunnel (No Port Forwarding)
Forget about Port Forwarding and DDNS worries. A detailed guide on using Cloudflare Tunnel to safely expose Docker containers, hide origin IPs, and get automatic SSL.
Posted inSecurity
Configuring DNSSEC for Linux: Don’t Let Your Website Get Hijacked Even with SSL
DNSSEC is a mandatory security layer to prevent DNS Spoofing. This article provides a detailed guide on configuring BIND9 on Linux, creating ZSK/KSK keys, and setting up the DS Record trust chain.
Posted inDocker
Kaniko: Building “Clean” and Secure Docker Images Without Root Privileges
Build Docker images securely without root privileges or a Docker Daemon. A detailed guide on using Kaniko to optimize security and performance for your CI/CD pipelines.
Posted inCentos
OpenSCAP: The Automation ‘Weapon’ for PCI-DSS Security Audits on CentOS for DevOps
Don't let security audits become a nightmare. Discover how to use OpenSCAP to automate vulnerability scanning and PCI-DSS compliance on CentOS/RHEL based on real-world DevOps experience.
Posted inSecurity
Securing SSH with Hardware Security Keys (FIDO2/Yubikey): When Private Keys Are No Longer a ‘Fatal Weakness’
Hardening server security with Hardware Security Keys (Yubikey/FIDO2). A detailed guide on setup, using Resident Keys, and configuring servers to prevent private key leaks.
Posted inSecurity
Auditd Configuration Guide: The “Black Box” for Tracking Every Change on Linux
Hackers can wipe history but they can't hide from Auditd. A guide to configuring the Linux "black box" to trace file edits, command execution, and overall server security.