KBY Technologies: trusted knowledge for modern engineering.
Runbooks, configuration traps and guides for endpoint, identity, Microsoft 365, Apple and infrastructure teams. Written with AI and checked by automated tests; each page says how it was produced.
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Modern technology changes quickly, but practical engineering knowledge shouldn't disappear into tickets, forums or outdated documentation.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
01Tech FundamentalsMitigating Bufferbloat with CAKE Qdisc
8 Jul 2026 10 min
02Tech FundamentalsDebugging USB-PD Negotiation Failures
30 Jul 2026 9 min
03Security & OperationsMicrosoft Defender for Endpoint Device Stuck Onboarding or Inactive
7 Nov 2026 12 min
04Code-First Infrastructure-as-CodeTerraform State Lock Error Acquiring the State Lock: Safe Recovery
7 Nov 2026 11 min
05Security & OperationsTOCTOU Race Conditions in Admission Webhooks
28 Jul 2026 11 min
Live operational desk
On-Call Command Centre
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.
AWS IAM Trust Policies
Overbroad IAM Trust Policy Principal Lets Unintended Identities Assume a Role
A working trust policy is not necessarily a safe one: broad principals let unintended identities assume a role. Learn to diagnose, correct…
Syslog
Syslog
A concise definition of Syslog, its operational role, architectural position and common misunderstanding, based on RFC 5424.
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.
Network Subnet Splitter
Port & Protocol Lookup
Kubernetes RBAC Generator
Bandwidth-Delay Product Calculator
Daily Content
Fresh reference terms, dangerous defaults and two-minute incident scenarios, generated with AI and published on a daily schedule.
AWS IAM Trust Policies
Overbroad IAM Trust Policy Principal Lets Unintended Identities Assume a Role
A working trust policy is not necessarily a safe one: broad principals let unintended identities assume a role. Learn to diagnose, correct…
Syslog
Syslog
A concise definition of Syslog, its operational role, architectural position and common misunderstanding, based on RFC 5424.
Kubernetes & Containers
Readiness Probe Misconfiguration Leaves Healthy Pods Out of Service
In a fictional non-production cluster, a web Deployment has four replicas. Users of the Service report intermittent errors. A dashboard…
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Knowledge Resources
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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.
DevOps & Automation
Best practices for CI/CD, pipeline engineering, and performance optimization at scale.
Software Architecture
System design, micro-frontends, and performance engineering for modern web applications.
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.
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Bylines name KBY Technologies editorial accounts, not individual experts. Their pieces are produced with AI assistance.
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How KBY Content Is Made
Most KBY content is written by AI from a topic brief and vendor documentation, checked by automated tests and published by software. It is not individually reviewed by a person before publication. Treat commands as a starting point to test, and tell us when something is wrong: we correct it on the page.
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