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Byte-sized wisdom for the networked being. Notes on networking, security, AI, and the tools worth using.
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HopCount: Serious Network Diagnostics on Android
HopCount is a focused network diagnostic app built for engineers, sysadmins, and developers who need real answers from a phone. It brings the discipline of terminal tooling to Andr... Read more
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Network Engineering
HopCount: Serious Network Diagnostics on AndroidJul 2026
RouterGODS In the Age of Raw Community CollaborationFeb 2026
Network Notepad: A Hands-On Diagramming Tool for Network Design and DocumentationApr 2025
Important LinksNov 2020
IPv4 Subnetting: A Quick OverviewNov 2020
Ports: Communication EndpointNov 2020
BGP Commands Cheatsheet: Cisco, Juniper, Alcatel, Huawei Reference GuideNov 2020
OSPF Quick CommandsNov 2020
List of Administrative Distances (AD) of IP routing ProtocolsNov 2020
OSPF (Open Shortest Path First): Quick Reference NotesNov 2020
BGP (Border Gateway Protocol): Quick Reference NotesNov 2020
Best Organizations Hiring for Networking & Security ProfileNov 2020
Core Networking Interview QuestionsNov 2020
Important Interview QuestionsOct 2020
Different Vendor, Different Command LineOct 2020
Android Apps
HopCount: Serious Network Diagnostics on AndroidJul 2026
Drafting: Minimalist Writing App for Focused Note-TakingMar 2025
Orgzly Revived: Plain-Text Outliner for Notes and To-Do ListsFeb 2025
iShredder: Securely Erase Data Beyond RecoveryJan 2025
Intrace: Visual Traceroute for Network DiagnosticsDec 2024
Nmap Wrapper for Android: Portable Network Scanning on the GoDec 2024
Mullvad VPN: Privacy-Focused VPN with Advanced FeaturesOct 2024
Rethink DNS + Firewall: All-in-One Privacy and Security ToolkitSep 2024
Karma Firewall: Simple, Powerful Privacy ProtectionAug 2024
Mubi: A Curated Cinema Experience in Your PocketAug 2024
Lalitham Notification Widget: Prioritize Notifications with Privacy in MindJul 2024
Ampere: Monitor Charging and Discharging Currents on AndroidJun 2024
Elegant Teleprompter Pro: Professional Script Scrolling for AndroidMar 2024
Panda Video Compress & Share: Shrink Videos Without Sacrificing QualitySep 2023
Typewise Offline: A Private, Gesture-Based Keyboard AlternativeJun 2023
IP Finder: Quick Access to IP and Network InfoFeb 2023
NoteLynX Pro: A 3-in-1 Outliner, Mindmap, and Personal WikiNov 2022
Tech Terms: Demystify Technology with Clear DefinitionsNov 2021
Bouncer: Temporary App Permissions for Enhanced PrivacyNov 2021
Termux: A Linux Terminal Environment on AndroidSep 2021
Ping & Net: Comprehensive Network Diagnostic ToolMay 2021
SafeBox Encrypted: Offline Password Vault with Strong Privacy FocusMay 2021
Whois & DNS Lookup: Domain and IP Insights Made SimpleFeb 2021
Explore Anywhere with OsmAnd: The Ultimate Offline Maps AppFeb 2021
Artificial Intelligence
Understanding OpenClaw's Attack Surface: API Keys, Network Exposure, and Execution ControlsFeb 2026
Prompt Engineering Ends Where Loop Engineering BeginsNov 2025
Model Context Protocol: Wiring Tools to LLMsJun 2025
AI Coding Assistants, an Honest Field ReportApr 2025
AI Agents and the Blast Radius ProblemMar 2025
The Real Cost of Running an AI ModelJan 2025
When Not to Reach for an LLMDec 2024
Prompt Injection: The New Attack SurfaceNov 2024
RAG Explained for People Who ShipOct 2024
The Quiet Data Leak in Every AI ToolSep 2024
Running Local LLMs, Privacy Without the CloudAug 2024
The Dark Side of AIJun 2024
Why Language Models Hallucinate, and When It MattersMay 2024
Internet Security
Regular Security Audits and Vulnerability AssessmentsAug 2024
Password Hashing and Why Plaintext KillsOct 2023
Common Ports and the Risks They CarryJan 2023
VPNs Explained, IPsec and WireGuard Side by SideSep 2022
Understanding TLS and How It Secures Your TrafficMar 2022
Firewall Rules Done Right, A Practical ApproachJul 2021