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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

Embedding Selection for Turkish: Semantic Search with Multilingual
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Embedding Selection for Turkish: Semantic Search with Multilingual

#rag #sistemmimarisi #software
5
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5 min read

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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
5 Security Practices Often Overlooked During Self-Hosting
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5 Security Practices Often Overlooked During Self-Hosting

#selfhosting #security
1
Comments
11 min read
Security Backlog for Small Teams with NIST CSF 2.0
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Security Backlog for Small Teams with NIST CSF 2.0

#sistemmimarisi #software
1
Comments
9 min read
Applying Container Runtime Policies with eBPF Tetragon
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Applying Container Runtime Policies with eBPF Tetragon

#guide #software
1
Comments
8 min read
CVE Prioritization with CISA KEV: Exploitation-Focused
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CVE Prioritization with CISA KEV: Exploitation-Focused

#sistemmimarisi #software
1
Comments
8 min read
Service-Based Access in Homelab with Tailscale ACL
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Service-Based Access in Homelab with Tailscale ACL

#zerotrust #guide #software
6
Comments
12 min read
QR Code Phishing: Secure Scanning and DNS Defense
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QR Code Phishing: Secure Scanning and DNS Defense

#guide #software
1
Comments
10 min read
Ceph or ZFS Replication in Proxmox? Small Cluster Decision
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Ceph or ZFS Replication in Proxmox? Small Cluster Decision

#sistemmimarisi #software
1
Comments
11 min read
Auditing Browser Extension Permissions: Finding Data Access
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Auditing Browser Extension Permissions: Finding Data Access

#guide #software
1
Comments
15 min read
AI Model Serving on Kubernetes: KServe or vLLM?
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AI Model Serving on Kubernetes: KServe or vLLM?

#kubernetes #sistemmimarisi #software
6
Comments
12 min read
Kopia or Restic? Choosing a Backup Solution for Large Archives
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Kopia or Restic? Choosing a Backup Solution for Large Archives

#sistemmimarisi #software
6
Comments
10 min read
The First 30 Minutes When an API Key Leaks: A Rotation Runbook
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The First 30 Minutes When an API Key Leaks: A Rotation Runbook

#api #guide #software
1
Comments
11 min read
GPU Sharing in Kubernetes: The MIG vs. Time-Slicing Decision
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GPU Sharing in Kubernetes: The MIG vs. Time-Slicing Decision

#kubernetes #ai
1
Comments
10 min read
Deploying an ML-KEM Hybrid TLS Pilot with Performance Measurement
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Deploying an ML-KEM Hybrid TLS Pilot with Performance Measurement

#sistemmimarisi #software
2
Comments
11 min read
Technical Accuracy in LLM Output: Setting Up a Fact-Check Pipeline
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Technical Accuracy in LLM Output: Setting Up a Fact-Check Pipeline

#llm #ai
2
Comments
10 min read
Debugging OCR Errors and Backing Up Paperless-ngx
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Debugging OCR Errors and Backing Up Paperless-ngx

#selfhosting #guide #software
1
Comments
9 min read
Passkey Account Recovery: Avoiding Lockout When Your Device is Lost
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Passkey Account Recovery: Avoiding Lockout When Your Device is Lost

#sistemmimarisi #software
1
Comments
9 min read
3-2-1 Backup and Restore Drill for Immich
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3-2-1 Backup and Restore Drill for Immich

#guide #software
1
Comments
11 min read
OAuth 2.1 and PKCE: Secure Flow in SPA Sessions
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OAuth 2.1 and PKCE: Secure Flow in SPA Sessions

#guide #software
1
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11 min read
Reducing LLM Costs by Measuring Prompt Caching
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Reducing LLM Costs by Measuring Prompt Caching

#llm #ai
2
Comments
13 min read
Pinning GitHub Actions with Commit SHA for Supply Chain Defense
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Pinning GitHub Actions with Commit SHA for Supply Chain Defense

#guide #software
1
Comments
11 min read
Transitioning from SBOM to VEX: Reducing False Positives
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Transitioning from SBOM to VEX: Reducing False Positives

#sistemmimarisi #software
1
Comments
10 min read
LLM Structured Output: JSON Schema for Reliable Answers
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LLM Structured Output: JSON Schema for Reliable Answers

#llm #guide #software
1
Comments
3 min read
The Evidence Layer Must Survive the Framework
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The Evidence Layer Must Survive the Framework

#security #architecture #observability #devops
1
Comments
5 min read
3-2-1 Backup Design with Proxmox Backup Server
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3-2-1 Backup Design with Proxmox Backup Server

#guide #software
1
Comments
11 min read
Safely Shutting Down Your Homelab During a UPS Outage with NUT
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Safely Shutting Down Your Homelab During a UPS Outage with NUT

#guide #software
2
Comments
13 min read
Hybrid Search and Reranker in RAG: Enhancing Quality in Turkish
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Hybrid Search and Reranker in RAG: Enhancing Quality in Turkish

#rag #guide #software
2
Comments
16 min read
Dependency Confusion: Protecting npm and PyPI Packages
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Dependency Confusion: Protecting npm and PyPI Packages

#guide #software
1
Comments
9 min read
RAG Chunking Test: The Right Chunk Size for Turkish Documents
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RAG Chunking Test: The Right Chunk Size for Turkish Documents

#rag #guide #software
1
Comments
11 min read
Setting Up SLSA Provenance and GitHub Artifact Attestations
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Setting Up SLSA Provenance and GitHub Artifact Attestations

#guide #software
1
Comments
8 min read
pgvector HNSW Index Tuning: Balancing Recall and Memory
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pgvector HNSW Index Tuning: Balancing Recall and Memory

#postgres #guide #software
1
Comments
6 min read
Migrating to Valkey: Safely Testing Redis Compatibility
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Migrating to Valkey: Safely Testing Redis Compatibility

#redis #guide #software
1
Comments
6 min read
Collaborative Attack Defense for Homelab Services with CrowdSec
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Collaborative Attack Defense for Homelab Services with CrowdSec

#guide #software
2
Comments
8 min read
AI Agent Observability: Tracing, Cost, and Tool Error Monitoring
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AI Agent Observability: Tracing, Cost, and Tool Error Monitoring

#agents #observability
5
Comments
10 min read
PostgreSQL 18 Async I/O: What Changes in Real Workloads?
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PostgreSQL 18 Async I/O: What Changes in Real Workloads?

#postgres #sistemmimarisi #software
1
Comments
11 min read
Single Sign-On for Self-Hosted Services with Authentik
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Single Sign-On for Self-Hosted Services with Authentik

#selfhosting #guide #software
10
Comments 2
12 min read
AI Agent Sandbox: Restricting Shell and File Access
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AI Agent Sandbox: Restricting Shell and File Access

#agents #sistemmimarisi #software
1
Comments
13 min read
Preventing Secret Leaks in AI Code Agents
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Preventing Secret Leaks in AI Code Agents

#ai #guide #software
1
Comments
8 min read
Setting Up Your Own Git and CI Platform with Forgejo Actions
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Setting Up Your Own Git and CI Platform with Forgejo Actions

#cicd #selfhosting
6
Comments
12 min read
OpenBao vs. HashiCorp Vault: Self-Hosted Secret Management
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OpenBao vs. HashiCorp Vault: Self-Hosted Secret Management

#selfhosting #sistemmimarisi #software
1
Comments
9 min read
AI Agent Evals: Setting Up a Test Harness to Measure Success
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AI Agent Evals: Setting Up a Test Harness to Measure Success

#agents #observability
6
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8 min read
AI Code Review: Safely Merging AI-Generated Patches
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AI Code Review: Safely Merging AI-Generated Patches

#ai #guide #software
2
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11 min read
Transitioning from Python to Rust or Go: For Which Workload?
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Transitioning from Python to Rust or Go: For Which Workload?

#career #indiehacker
3
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8 min read
Everyone Designs the Happy Path. Production Happens at 3 AM.
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Everyone Designs the Happy Path. Production Happens at 3 AM.

#security #architecture #devops #production
7
Comments 2
6 min read
OpenTelemetry Zero-Code Instrumentation: Getting Started with eBPF
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OpenTelemetry Zero-Code Instrumentation: Getting Started with eBPF

#observability #guide #software
1
Comments
9 min read
Stirling PDF Setup: Process Documents Without Uploading to the Cloud
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Stirling PDF Setup: Process Documents Without Uploading to the Cloud

#selfhosting #guide #software
7
Comments 3
11 min read
TypeScript's Rise in 2026: The Impact of AI Code Generation
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TypeScript's Rise in 2026: The Impact of AI Code Generation

#ai #career #indiehacker
2
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7 min read
AI Agent Memory: Short-Term and Long-Term Memory Design
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AI Agent Memory: Short-Term and Long-Term Memory Design

#agents #llm
1
Comments
6 min read
MCP Tool Poisoning: Securely Verifying Tool Definitions
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MCP Tool Poisoning: Securely Verifying Tool Definitions

#ai #guide #software
8
Comments 2
9 min read
Actual Budget Setup: Self-Host Your Financial Data
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Actual Budget Setup: Self-Host Your Financial Data

#selfhosting #guide #software
3
Comments 3
9 min read
Cilium Gateway API: A Migration Guide from Ingress
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Cilium Gateway API: A Migration Guide from Ingress

#api #kubernetes
5
Comments
9 min read
OAuth and Least Privilege Authorization in MCP Servers
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OAuth and Least Privilege Authorization in MCP Servers

#agents #guide #software
6
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10 min read
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