MikroTik & Fortinet: CLI Cheat Sheet & Firewall Triage
Engineering CLI command deck for MikroTik RouterOS v7 and Fortinet FortiOS. Safe Mode, RoMON, conntrack DDoS flush, Conserve Mode, packet flow trace, and NIS2.
Engineering Knowledge Base
Technical hardware diagnostic guides and field engineering standards for IT professionals, including v20 module documentation.
🖨️
NEW V20.5
12 A4 CARDS
Printable Emergency Runbook A4 & Desk Mat Cards
Field-ready A4 cards for server rack doors or desk mats: print spooler crashes, AD lockout loops, BitLocker recovery, Proxmox & ESXi rescue, ITAD NIST 800-88, and cross-platform Rosetta network triage (Cisco • Linux • Windows).
STANDARDS & COMPLIANCE HUB
Business Standards & Compliance Guide Hub
Dedicated series of compressed engineering and legal guides for C-level executives, IT departments, and hardware auditors.
🔒 HIGH PRIORITY
GDPR / RODO Data Sanitization Standards
Compressed guide for IT directors: hardware SSD/NVMe purge procedures and avoiding regulatory fines up to €20M.
View Standards ↗
⚠️ SECURITY ALERT
NIST 800-88 Wiping Protocols (Purge vs Clear)
Cryptographic Erase verification and Flash controller key destruction methodology. Audit standards for corporate workstations.
Explore Protocols ↗
📈 GUIDELINE
ITAD Hardware Grading Matrix (Class A+/A/B)
Official visual and functional evaluation standard for refurbished hardware. Battery health, panel audits, and B2B conflict prevention.
Review Matrix ↗
✓ COMPLIANCE
ISO 27001 Asset Verification & TPM Audit
Audit checklist for Supply Chain Security. TPM memory clearing, firmware verification, and compliance certification.
Asset Checklist ↗
Cybersecurity
Cloud-Native & SRE
Docker & Kubernetes Production Triage: CrashLoopBackOff & SRE Recovery
Engineering CLI guide for production Docker and Kubernetes (K8s) outages. Triage CrashLoopBackOff, OOMKilled exit code 137, Kubelet DiskPressure, CNI CoreDNS failures, and ephemeral debugging.
Cybersecurity
Cisco, Linux & Windows: CLI Cheat Sheet
Cross-platform CLI command deck for Cisco, Linux, and Windows. Rosetta Stone command equivalents, NIS2 / CIS hardening checklists, and 1-click copy.
Hardware Security
SSD Secure Erase: TCG Opal v2, SED Lockouts & PSID Revert Protocol
Forensic ITAD & SysAdmin engineering guide: Resolving NVMe Format Access Denied errors, TCG Opal v2.0 hardware locks, and recovering locked Self-Encrypting Drives (SED) using sedutil and the physical PSID key.
Security
Hardware MDM Locks: Absolute Persistence (Computrace) & Autopilot Detection
Engineering ITAD and SysAdmin forensic guide: How to detect corporate Microsoft Autopilot (Entra ID) and Absolute Persistence (Computrace) locks at UEFI and OOBE level in 100% offline mode before connecting to any network.
Battery Engineering
ACPI Battery Telemetry: Cell Imbalance vs. Gas Gauge Drift (TI BQ-Series)
Engineering forensic guide on laptop battery diagnostics. Differentiating between electrochemical lithium cell imbalance and Texas Instruments BQ gas gauge register drift. Complete analysis of SBS SMBus registers, Coulomb counting errors, and bench recovery protocols.
Firmware Engineering
Intel ME / CSME Region Corruption: The 30-Minute Shutdown Watchdog Timer Bug
Forensic engineering guide on Intel Management Engine (CSME) corruption causing sudden power cutoffs at exactly 30 minutes (1800 seconds). Analysis of HECI watchdog, delayed POST, 100% fans, and the 6-step Clean ME Region bench repair protocol.
Thermal Engineering
Direct-Die Thermal Paste Pump-Out Effect: Why Desktop Pastes Fail on Laptops & Bare Silicon
Engineering analysis of the thermal paste pump-out effect on bare die silicon. CTE mismatch, coldplate warping, silicone oil bleed, and why PTM7950 outperforms conventional pastes.
Hardware Engineering
M.2 NVMe PCIe Lane Downgrade: The Silent Hardware Bottleneck Undetected by S.M.A.R.T.
Forensic engineering guide on M.2 NVMe SSDs silently dropping from PCIe x4 to x1 or x2. Why S.M.A.R.T. shows 100% health, CLI detection with PowerShell and lspci, and board-level physical repair.
Hardware Repair
Anatomy of a Service Blunder: Blown VBL Backlight Fuses & 30-Pin vs 40-Pin eDP Standards
Why replacing a laptop screen with the battery connected blows the VBL fuse. Multimeter diagnostic procedures, 30-pin vs 40-pin eDP pinouts, and SMD component repair.
Hardware Engineering
Modern Standby (S0ix) vs Classical S3 Sleep: Why Laptops Overheat in Backpacks & How to Fix It
Engineering deep-dive into ACPI S0 Low Power Idle vs S3 Suspend-to-RAM. Forensic analysis of powercfg /sleepstudy, registry overrides (PlatformAoAcOverride), and battery drain mitigation.
SysAdmin
macOS Admin & Recovery Playbook: Password, Recovery, APFS & CLI
Complete Apple macOS engineering playbook: password recovery, .AppleSetupDone trick, APFS formatting, Apple CDN installers and Apple Silicon triage.
Cybersecurity & Compliance
ISO 27001 Asset Verification & TPM 2.0 Audit Guide
Executive guide for IT auditors: TPM 2.0 module clearing, cryptographic security resets, and ISO 27001 hardware compliance before asset disposition.
Cybersecurity & Compliance
Phishing, Malicious Links & GDPR Liability: Inbox Cyber Hygiene
Executive & technical cyber hygiene guide: Email header inspection (SPF, DKIM, DMARC), GDPR Art. 33 72-hour breach reporting, and workstation isolation triage.
Security & Compliance
Browser-Based Diagnostics Privacy & Zero-Knowledge Architecture
Technical deep dive into how SpecInfo ensures client-side hardware diagnostics privacy using sandboxed Web APIs without cloud data ingestion or Ring-0 drivers.
ITAD Standards
ITAD Hardware Grading Matrix: Class A+, A, B, C Standard
Official visual and technical hardware grading matrix for ITAD remarketers and refurbishers: Class A+, A, B, C criteria, LCD defects, battery wear, and NIST 800-88 linkage.
Engineering
Stop Guessing Battery Life: ITAD Diagnostics
Move beyond 'battery works' guesses. Learn how data-driven diagnostics for wear levels, cycle counts, voltage sag, and power stress curves optimize ITAD workflows.
Hardware Diagnostics
Touchpad & Gesture Audit: Engineering Field Guide
Technical evaluation of multi-touch precision, hardware button response, I2C HID bus diagnostics, and battery swell detection in ITAD auditing.
Data Privacy & Compliance
GDPR & NIST 800-88: Data Sanitization Guide
Technical guide for ITAD and enterprise compliance: GDPR Article 32 data sanitization, NIST 800-88 Purge cryptographic erasure, and audit certificates.
Hardware
Windows Admin & Helpdesk CLI Cheat Sheet
Windows Admin & Helpdesk CLI guide: fix printers, BitLocker, event logs, powercfg, AD trust repair, password reset, remote RDP, and native hardware telemetry.
SysAdmin
Windows Zero-Click Automation: PowerShell Scripts & OOBE Playbook
Complete Windows automation playbook: bypass Microsoft account in OOBE (BypassNRO), unattended updates via PSWindowsUpdate, zero-touch PC provisioning, Windows Update rescue, and debloat.
Display Audit
IPS Glow vs. Backlight Bleed: Field Guide
Why 80% of laptop display returns are wrongly classified. Complete field guide on distinguishing IPS Glow (natural) from Backlight Bleed (hardware defect) — with grading criteria, warranty standards, and professional audit protocol.
Display Diagnostics
Display Audit: Backlight Bleed vs IPS Glow
Full technical guide on display defect classification: how to distinguish IPS Glow from Backlight Bleed, OLED burn-in identification, and professional warranty assessment for IT auditors and ITAD engineers.
Battery Diagnostics
Battery Health & Wear Level: ITAD Field Guide
Engineering guide to battery health diagnostics for IT auditors. Designed Capacity vs Full Charge Capacity, wear level thresholds, ACPI telemetry, ITAD grading criteria and replacement decision matrix.
Thermal Diagnostics
Thermal Throttling: Field Engineering Guide
Complete engineering guide to thermal throttling. How the CPU/GPU protection mechanism works, how to identify symptoms, and how to eliminate throttling during ITAD hardware audits.
Hardware Diagnostics
RAM Validation & Stress Testing Field Guide
Engineering-grade guide to RAM stability validation. MemTest86, TestMem5 and Karhu RAM Test — how to detect silent data corruption and validate XMP/EXPO overclocking profiles.
Hardware Telemetry
SSD Guide: NVMe M-Key vs B+M Key Compatibility
In-depth hardware guide on SSD performance tiers (HDD ~150 MB/s, SATA ~550 MB/s, NVMe 3,500–14,000+ MB/s) and motherboard M.2 slot key compatibility (M-Key vs B+M Key).
Infrastructure
Hardening Edge Nodes: Industrial Guide
Technical deep-dive for infrastructure engineers: how to harden edge compute nodes against heat, vibration, power instability, and high-write storage wear in harsh industrial deployments.
Security
NIS2, ISO 27001 & DORA: Executive Compliance
Executive compliance guide for IT Directors & CISOs: NIS2, ISO 27001, DORA, CIS Controls, audit evidence packages, 7-step roadmap, and readiness calculator.