Knowledge Base
Advanced guides, performance optimisation, and Linux system hardening for administrators and DevOps engineers.
Advanced Kernel Tuning for High Traffic
A deep dive into sysctl parameters for high-load servers. Learn how to optimise the network stack and memory management in the Linux kernel.
Securing SSH
Principles of secure SSH configuration. From disabling root login to Ed25519 keys and Port Knocking.
Docker Optimisation
Best practices for reducing Docker image sizes and optimising layers for faster CI/CD.
MySQL Hardening
A step-by-step guide to securing MySQL database instances in production environments.
Fail2Ban Best Practices
Automated protection against brute-force attacks. Configuring filters and actions for Apache, Nginx, and SSH.
Backup Automation
Cloud and on-premise data backup strategies. Configuring Restic and S3 integration for reliable data retention.
Firewall Configuration
Advanced network traffic filtering management. Migrating from iptables to nftables and hardening rules for public-facing servers.