Tutorials
✍️ Hand-written
Swap Fire: My Kubernetes Experiment on a 7.6 GB VPS
A pragmatic analysis of swap memory issues and their solutions encountered while experimenting with Kubernetes on a small VPS.
Blog
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Tutorials
7.6 GB VPS Swap Fire with Docker: A Kernel Patch Nightmare
A practical guide to swap issues encountered when using Docker on small VPS instances and kernel patch solutions. Detailed analysis with my experiences.
Career
✍️ Hand-written
When Systems Aren't 'Up' in Consulting: Eroding Customer Trust
How does a system not being 'up' in consulting projects erode customer trust? I address this topic with practical approaches and my experiences.
Technology
✍️ Hand-written
Moving My GitHub Actions Runner to My Own VPS
A step-by-step guide on how I moved my GitHub Actions runner to my own VPS and reduced costs, while meeting my specific needs.
Tutorials
Docker Container Network Traffic: Monitoring and Optimization on My
I'm detailing step-by-step how I monitor and optimize network traffic for Docker containers running on my VPS. Performance tips and practical commands included.
Tutorials
Why Are My Docker Containers Slow? A Monitoring Guide for My Own VPS
A practical guide to monitoring the performance of Docker containers on your own VPS and finding the root causes of slowdowns. Systemd, cgroup, and journald…
Tutorials
Guide to Detecting and Limiting Resource-Hog Containers on a VPS
I'm sharing a step-by-step guide on how I identified resource consumption issues on my own VPS and applied limits to Docker containers.
Tutorials
Docker Deploy on VPS: Nginx Strategies for Zero Downtime
Mustafa Erbay details the technical aspects and strategies for achieving zero-downtime deployments using Nginx for Dockerized applications on a VPS.
Career
✍️ Hand-written
Docker Disk Fire: Root Cause Analysis on My 7.6 GB VPS
I deeply investigated Docker disk space issues on a small VPS, from image layers to logs, and shared practical solutions.
Technology
SQLite and Concurrency: The Lockout Experienced at islistesi.com
A first-hand account of the SQLite concurrency and lockout problems I faced in the islistesi.com project, with the solution steps and lessons learned.
Technology
✍️ Hand-written
Overlooked Errors in My AI Content Pipeline: The Importance of
I explain how I solved duplicate records and token waste issues in AI content generation processes using idempotency principles.
Life
✍️ Hand-written
Swap Fire on My 7.6GB VPS: A Nightmare That Started with a Kernel
Swap usage on my VPS suddenly spiked. I detail the root cause, solution, and lessons learned from this issue that began with a kernel CVE patch.
Life
✍️ Hand-written
Living on My Own Server: An Indie Hacker's Work-Life Balance
I share my experiences managing my own servers and its impact on the 'indie hacker' lifestyle and work-life balance.
Life
✍️ Hand-written
My Systems' Silent Alarm: My Mind Awake Even While I Sleep
A practical guide from Mustafa Erbay on detecting unseen dangers in your systems and taking proactive measures.
Tutorials
Your App is 'Up' But Not Working: Docker Healthchecks
I explain step-by-step how to write robust health checks (HEALTHCHECK) for situations where Docker containers appear 'up' but the application isn't actually.
Technology
Three Wrong AD Tier Model Assumptions: 8 Months in the Field
Microsoft tier model (T0/T1/T2): three assumptions debunked during 8 months of field transition. Lessons learned the hard way.
Technology
✍️ Hand-written
Quota Fail-Over Discipline in Multi-Provider AI Architecture
Fail-over discipline across Gemini, Groq, Cerebras in production AI: quotas deplete invisibly, silent decay degrades quality unnoticed.
Life
✍️ Hand-written
My Server's Crisis Moment: An Alert During Family Dinner
I'm sharing a first-hand account of an unexpected crisis on my own server, the alerts that came in during a family dinner, and the debugging process that.
Tutorials
Securely Deploying an SQLite Database to a Docker Container with
A guide to securely deploying an SQLite database to a Docker container using GitHub Actions.
Career
✍️ Hand-written
My Own VPS Crisis: That Moment of Panic During a Client Meeting
I share the panic I experienced when my VPS crashed during a critical client meeting and the process of resolving it. Technical details and lessons learned.
Technology
Nginx's Sneaky DNS Trap: Failing to Reach Docker Containers
How I solved Nginx's failure to reach Docker containers on my own VPS. An in-depth look at the `resolver` directive and the need for dynamic network.
Life
✍️ Hand-written
Living on My Own Server: Balancing Time and Freedom
Hosting my projects on my own server isn't just a technical choice; it's a life philosophy. The time and effort I spend for the sake of control and.
Tutorials
Nginx Reverse Proxy: Managing Multiple Docker Services on a Single VPS
A step-by-step guide on how I manage multiple Docker applications on a single VPS using Nginx reverse proxy, and the challenges I encountered.