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Mustafa ERBAY

System architect with 20+ years in infrastructure. Building burncpu.com — an open-source social network. Personal blog: mustafaerbay.com.tr · EN/TR.

Location Bursa, Türkiye Joined Joined on  Personal website https://mustafaerbay.com.tr github website

Work

System architect · DevOps · Open-source builder

Async Communication Discipline in a Remote Team
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Async Communication Discipline in a Remote Team

#remotework #async #communication
1
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9 min read

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What Does the Word DevOps Mean in Job Postings?
merbayerp profile

What Does the Word DevOps Mean in Job Postings?

#devops #career #indiehacker
2
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6 min read
From Sysadmin to Platform Engineering
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From Sysadmin to Platform Engineering

#sysadmin #platformengineering #careerchange
3
Comments
11 min read
Policy-as-Code with Kyverno: Balance in Admission Control
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Policy-as-Code with Kyverno: Balance in Admission Control

#kyverno #policyascode #kubernetes #admission
2
Comments
15 min read
SLSA Levels: Making Supply Chain Assurance Concrete
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SLSA Levels: Making Supply Chain Assurance Concrete

#slsa #supplychain #security #provenance
3
Comments
12 min read
Digital Legacy: A Plan for the Accounts You Leave Behind
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Digital Legacy: A Plan for the Accounts You Leave Behind

#learning #uretkenlik
2
Comments
9 min read
HTTP/3 and QUIC: What Actually Changed in the Real World
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HTTP/3 and QUIC: What Actually Changed in the Real World

#http3 #quic #networking #performance
2
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12 min read
Kubernetes Without kube-proxy: Cilium eBPF
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Kubernetes Without kube-proxy: Cilium eBPF

#cilium #ebpf #kubernetes #networking
4
Comments
13 min read
Signature Chain with Cosign and Sigstore: Rejecting Unsigned Images
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Signature Chain with Cosign and Sigstore: Rejecting Unsigned Images

#guide #software
2
Comments
6 min read
Hardening DMARC: A Safe Path from p=none to p=reject
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Hardening DMARC: A Safe Path from p=none to p=reject

#dmarc #spf #dkim #emailsecurity
5
Comments
14 min read
Your Own Matrix Server: The Real Cost of Federating Synapse
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Your Own Matrix Server: The Real Cost of Federating Synapse

#matrix #synapse #federation #messaging
6
Comments
13 min read
The Valkey and Redis Split: Life After the License Fight
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The Valkey and Redis Split: Life After the License Fight

#valkey #redis #licensing #opensource
7
Comments
10 min read
Model Context Protocol: The Standard for Connecting Tools to LLMs
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Model Context Protocol: The Standard for Connecting Tools to LLMs

#llm #sistemmimarisi #software
Comments
5 min read
Local Analytics with DuckDB: No Data Warehouse Required
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Local Analytics with DuckDB: No Data Warehouse Required

#duckdb #analytics #olap #data
10
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11 min read
Talos Linux: The API-Managed, Immutable Kubernetes Node
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Talos Linux: The API-Managed, Immutable Kubernetes Node

#talos #kubernetes #immutable #linux
2
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12 min read
RAG Evaluation: Shipping Without Measuring Accuracy
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RAG Evaluation: Shipping Without Measuring Accuracy

#rag #evaluation #llm #codequality
2
Comments
12 min read
Architectural Decision Records with ADR: Teams Documenting the 'Why'
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Architectural Decision Records with ADR: Teams Documenting the 'Why'

#sistemmimarisi #software
2
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7 min read
“Implemented” Is Not the Same as “Verified”
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“Implemented” Is Not the Same as “Verified”

#devops #security #reliability #updates
3
Comments
4 min read
vLLM vs llama.cpp: Which Local Inference Engine, and When
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vLLM vs llama.cpp: Which Local Inference Engine, and When

#vllm #llamacpp #inference #localllm
2
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12 min read
Migrating from pip and venv to uv
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Migrating from pip and venv to uv

#uv #python #dependencymanagement #packaging
3
Comments
14 min read
OpenTelemetry Pipeline with Grafana Alloy
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OpenTelemetry Pipeline with Grafana Alloy

#observability #guide #software
2
Comments
6 min read
PgBouncer Connection Pooling: Modes and Pitfalls
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PgBouncer Connection Pooling: Modes and Pitfalls

#pgbouncer #postgres #connectionpooling #performance
1
Comments
14 min read
Document Archiving with Paperless-ngx: OCR and Tag Automation
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Document Archiving with Paperless-ngx: OCR and Tag Automation

#selfhosting #guide #software
7
Comments
7 min read
Trivy Image Scanning: The CI Breaking Threshold
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Trivy Image Scanning: The CI Breaking Threshold

#trivy #containersecurity #ci #vulnerability
3
Comments
13 min read
VRAM Calculation for Local LLMs: Model Size and Quantization Guide
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VRAM Calculation for Local LLMs: Model Size and Quantization Guide

#llm #guide #software
2
Comments
8 min read
Behavior-Based Intrusion Prevention with CrowdSec
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Behavior-Based Intrusion Prevention with CrowdSec

#guide #software
3
Comments
6 min read
Disaster Recovery with ZFS Snapshots and send/receive
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Disaster Recovery with ZFS Snapshots and send/receive

#zfs #snapshot #replication #storage
2
Comments
15 min read
A Vendor-Independent Smart Home with Zigbee2MQTT
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A Vendor-Independent Smart Home with Zigbee2MQTT

#zigbee2mqtt #mqtt #smarthome #iot
1
Comments
13 min read
Site-to-Site VPN with WireGuard: Key and Route Design
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Site-to-Site VPN with WireGuard: Key and Route Design

#vpn #networking
1
Comments
7 min read
Modern Linux Firewall with nftables: Migrating from iptables
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Modern Linux Firewall with nftables: Migrating from iptables

#linux #guide #software
2
Comments
8 min read
Encrypted Backup with Restic: Repo Design and Recovery Drill
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Encrypted Backup with Restic: Repo Design and Recovery Drill

#guide #software
1
Comments
8 min read
Feature Flag Architecture: Decoupling Deploy from Release
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Feature Flag Architecture: Decoupling Deploy from Release

#featureflags #deployment #architecture #trunkbased
2
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11 min read
Multi-LLM Routers: Designing for Quality, Latency, and Fallback
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Multi-LLM Routers: Designing for Quality, Latency, and Fallback

#llm #router #fallback #resilience
3
Comments
14 min read
Rootless Container Under systemd with Podman Quadlet
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Rootless Container Under systemd with Podman Quadlet

#guide #software
3
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8 min read
OpenTofu Provider Lockfile and Supply Chain Verification
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OpenTofu Provider Lockfile and Supply Chain Verification

#guide #software
2
Comments
5 min read
Multi-Cluster Workload Identity with SPIRE Federation
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Multi-Cluster Workload Identity with SPIRE Federation

#guide #software
2
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6 min read
Matter and Thread Network Design in Home Assistant
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Matter and Thread Network Design in Home Assistant

#sistemmimarisi #software
7
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5 min read
The Windows Evidence Gap
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The Windows Evidence Gap

#windows #security #observability #devops
2
Comments
5 min read
Incident Postmortem Culture: How to Conduct a Blameless Analysis
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Incident Postmortem Culture: How to Conduct a Blameless Analysis

#career #indiehacker
1
Comments
7 min read
PostgreSQL VACUUM and Bloat: Tuning autovacuum Correctly
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PostgreSQL VACUUM and Bloat: Tuning autovacuum Correctly

#postgres #guide #software
2
Comments
7 min read
ESPHome and ESP32 Sensor Network: A Cloud-Free Smart Home
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ESPHome and ESP32 Sensor Network: A Cloud-Free Smart Home

#esphome #esp32 #homeautomation #iot
2
Comments
6 min read
Declarative Server with NixOS: A Reproducible Infrastructure
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Declarative Server with NixOS: A Reproducible Infrastructure

#devops #sistemmimarisi #software
2
Comments
5 min read
Writing Idempotent Ansible Playbooks: Safe Change Patterns
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Writing Idempotent Ansible Playbooks: Safe Change Patterns

#guide #software
2
Comments
6 min read
Log Infrastructure with Loki: Label Design and Cost Control
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Log Infrastructure with Loki: Label Design and Cost Control

#loki #logging #observability #grafana
2
Comments
6 min read
Prometheus Alert Fatigue: Symptom-Based Alert Design
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Prometheus Alert Fatigue: Symptom-Based Alert Design

#observability #sistemmimarisi #software
1
Comments
8 min read
Introduction to GitOps: Pull-Based Deployment Model with Argo CD
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Introduction to GitOps: Pull-Based Deployment Model with Argo CD

#kubernetes #deployment
1
Comments
5 min read
Lightweight Kubernetes with k3s: Scaling from Single Node
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Lightweight Kubernetes with k3s: Scaling from Single Node

#kubernetes #guide #software
2
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4 min read
Setting Up Your Own Tailscale Control Server with Headscale
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Setting Up Your Own Tailscale Control Server with Headscale

#vpn #guide #software
2
Comments
3 min read
Syncthing for Cloudless Synchronization: Conflicts and Versions
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Syncthing for Cloudless Synchronization: Conflicts and Versions

#guide #software
6
Comments
3 min read
Code Review Culture: Small PRs, Fast Flow, Low Friction
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Code Review Culture: Small PRs, Fast Flow, Low Friction

#career #indiehacker
1
Comments
3 min read
Ending SSH Key Chaos: Setting Up Your Own SSH Certificate Authority
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Ending SSH Key Chaos: Setting Up Your Own SSH Certificate Authority

#guide #software
1
Comments
5 min read
Embedding Selection for Turkish: Semantic Search with Multilingual
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Embedding Selection for Turkish: Semantic Search with Multilingual

#rag #sistemmimarisi #software
5
Comments
5 min read
Transcribing Turkish with Whisper: Local Audio‑Text Pipeline
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Transcribing Turkish with Whisper: Local Audio‑Text Pipeline

#ai #guide #software
1
Comments
5 min read
Prompt Injection Defense: Protection Patterns for Production
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Prompt Injection Defense: Protection Patterns for Production

#ai #llm
1
Comments
10 min read
Dependency Automation with Renovate: Grouping and Auto-Merge Strategy
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Dependency Automation with Renovate: Grouping and Auto-Merge Strategy

#cicd #guide #software
2
Comments
8 min read
Living ADRs: Decisions That Can Prove Themselves Wrong
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Living ADRs: Decisions That Can Prove Themselves Wrong

#architecture #security #documentation #devops
1
Comments
4 min read
GitHub Actions OIDC: Cloud Access Without Secrets
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GitHub Actions OIDC: Cloud Access Without Secrets

#cicd #guide #software
2
Comments
10 min read
sops + age for Secret Management in Git: Encrypted Config Flow
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sops + age for Secret Management in Git: Encrypted Config Flow

#guide #software
2
Comments 1
8 min read
Coolify with Self-Host PaaS Setup: A Current Approach
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Coolify with Self-Host PaaS Setup: A Current Approach

#docker #devops #linux
1
Comments
6 min read
Hardware Security Keys Instead of SMS 2FA: Balancing Cost
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Hardware Security Keys Instead of SMS 2FA: Balancing Cost

#learning #uretkenlik
1
Comments
7 min read
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