KBY Technologies: trusted knowledge for modern engineering.
KBY Technologies is a research-driven publication covering modern infrastructure, operations, and enterprise technology — reviewed under strict editorial standards.
Why KBY Exists
Modern technology changes quickly, but practical engineering knowledge shouldn't disappear into tickets, forums or outdated documentation.
KBY Technologies exists to publish trusted, research-driven articles, Engineering Labs and reference resources that help engineers solve real-world problems.
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Systems Engineering
Advanced guides on infrastructure, cloud architecture, and observability for enterprise systems.
The Ops Playbook
L1-L3 Support Playbooks: engineer tickets out of existence.
Graduate Track
Production-focused guidance and step-by-step technical playbooks.
The Toolchain
Practical calculators, diagnostic scenarios, and reference material.
Trending This Week
01Systems EngineeringPart 1: Kubernetes Boundaries and Failure Domains
4 Sept 2026 9 min
02DevOps & AutomationBuilding a Bounded Deployment Pipeline with GitHub Actions
13 Sept 2026 6 min
03Microsoft 365 AdministrationBuilding a Bounded User Licensing Workflow in Microsoft 365 Admin Center
14 Sept 2026 8 min
04Microsoft 365 AdministrationTracing a Microsoft 365 Admin Change from Intent to Evidence
10 Sept 2026 12 min
05Enterprise IT ManagementWhen Enterprise IT Management Changes Go Wrong in Microsoft 365
15 Sept 2026 6 min
Live operational desk
On-Call Command Centre
Verified recovery procedures, dangerous defaults and rapid-response practice.
HIGH · Grafana · target 30 minutes to isolate Grafana, proxy, query or backend timeout
Grafana Dashboard Data Source Timeout
Diagnose a Grafana dashboard data-source timeout by separating panel-query cost, Grafana data proxy limits, reverse-proxy deadlines, network reachability and backend saturation before raising any timeout.
CRITICAL · Active Directory · target 40 minutes to isolate the failing replication edge
Active Directory Domain Controller Replication Failure
Diagnose Active Directory domain controller replication failure with Repadmin, DCDiag, event IDs, DNS, RPC and time evidence; avoid forest-wide repadmin /syncall until topology knowledge is consistent and the exact error is resolved.
Kubernetes RBAC
Aggregated ClusterRole Labels Silently Grant Unreviewed RBAC Permissions
A ClusterRole label that happens to match an existing aggregation selector silently folds its rules into a trusted aggregate role, granting…
YAML
YAML
YAML is a human-readable data serialisation language used for configuration and structured data exchange, relying on significant indentation…
Engineering Labs
Interactive tools created to help readers apply technical knowledge in practical ways. Our labs are premium editorial resources designed for learning and discovery.
Explore All LabsDNS Record Builder & Validator
Build and statically validate common DNS records including SPF, DKIM, DMARC, MX, CAA and SRV with provider-ready fields.
Port & Protocol Lookup
Kubernetes RBAC Generator
Bandwidth-Delay Product Calculator
Database Connection Pool Sizer
Daily Content
Fresh reference terms, dangerous defaults and two-minute incident scenarios, published as KBY's editors add them.
Kubernetes RBAC
Aggregated ClusterRole Labels Silently Grant Unreviewed RBAC Permissions
A ClusterRole label that happens to match an existing aggregation selector silently folds its rules into a trusted aggregate role, granting…
YAML
YAML
YAML is a human-readable data serialisation language used for configuration and structured data exchange, relying on significant indentation…
Incident Command
Logging Ownership Gap Stalls Incident Response
A customer-facing service is producing intermittent errors. Incident Command has opened a response channel and assigned an incident…
Recently Updated
Articles our editorial team has revised in the last 30 days.
- Software Architecture13 Sept 2026
Containing API Contract Drift: A Bounded Software Architecture Recovery Workflow
- Security & Operations13 Sept 2026
When Security & Operations Changes Go Wrong in Microsoft Defender
- Systems Engineering12 Sept 2026
Reducing Tech Fundamentals Risk with a Bounded Linux systemd Workflow
- Systems Engineering11 Sept 2026
Recovering the IT Toolkit Safely with PowerShell
- Enterprise IT Management11 Sept 2026
Failure Signals in a Bounded Microsoft 365 License Assignment Workflow
- Software Architecture10 Sept 2026
Making Software Architecture Easier to Recover with API
Knowledge Resources
Explore our reference materials, definitions, and utilities designed to provide fast, reliable answers to complex engineering questions.
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Sorted automatically by engineering focus area and article volume.
Editorial Collections
Deep dives and comprehensive guides on modern infrastructure and software architecture.
Tech Fundamentals
Beginner-friendly guides, troubleshooting tips, and IT essentials for home users and students.
Software Architecture
System design, micro-frontends, and performance engineering for modern web applications.
DevOps & Automation
Best practices for CI/CD, pipeline engineering, and performance optimization at scale.
The IT Toolkit
Interactive utilities, calculators, and diagnostic generators for IT and web professionals.
Security & Operations
Technical deep dives into network defenses, compliance, and automated threat detection.
Kubernetes Control Planes: Design to Recovery
A six-part, evidence-led operating series published three times per week.
Our Editorial Team
Industry experts and engineering practitioners.
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Why Readers Trust KBY
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Operating Manual
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