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Sharing my experiences, learnings, and adventures in tech and beyond.

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DevOps

June 202511 min read

Docker Compose vs Kubernetes for Small Teams: When to Use Each

A practical guide for small teams deciding between Docker Compose and Kubernetes — covering complexity, cost, and the right progression from one to the other.

DevOps

June 20259 min read

Monitoring and Alerting for Solo DevOps: A Practical Stack That Works

How to set up monitoring and alerting as a solo DevOps engineer — Prometheus, Grafana, Uptime Kuma, and Telegram alerts without the enterprise complexity.

DevOps

June 202510 min read

SSH Security Hardening for VPS: Stop the Brute Force Before It Starts

A practical SSH hardening guide for VPS owners — disable password auth, change ports, configure fail2ban, and lock down sshd_config before your server gets compromised.

DevOps

June 202512 min read

PostgreSQL Backup Strategy for VPS: From pg_dump to WAL Archiving

A practical PostgreSQL backup strategy for VPS deployments — covering pg_dump, pg_basebackup, WAL archiving, and automated offsite backup with real configuration examples.

DevOps

June 202511 min read

Nginx Performance Tuning: From Default Config to 50,000 Req/s

A practical Nginx performance tuning guide covering worker processes, connections, kernel parameters, gzip, and caching — with real configuration you can apply today.

DevOps

June 20259 min read

Fail2ban on VPS: Automate Brute Force Protection in 15 Minutes

Set up fail2ban on Ubuntu VPS to automatically block SSH brute-force attacks, protect Nginx, and configure custom jails — with real configuration examples.

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