Guide Series
Linux & Scripting
Linux fundamentals, server administration, Bash scripting, and automation for network engineers.
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Python for Networks
Python programming from the ground up, focused on network automation, APIs, and tooling.
Start Learning →AI & Automation
Practical AI guides for technical professionals — LLMs, APIs, self-hosting, and building AI-powered tools.
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Fortinet SDWAN
Comprehensive guides from NSE4 through NSE7. Configuration, design, and real-world SDWAN deployment with FortiGate.
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Cisco SDWAN
Cisco Catalyst SDWAN (Viptela) architecture, the ENSDWI/SDWSCS exam-blueprint study series, and enterprise routing and switching.
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Arista / VeloCloud SDWAN
Arista (formerly VMware) VeloCloud — orchestrator, edges, gateways, business policy, and real deployment experience.
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Palo Alto Prisma SDWAN
CloudGenix lineage, ION and Strata Cloud Manager, app-defined path selection, and Prisma Access/CloudBlades security.
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Juniper SDWAN
Mist cloud management and Session Smart Routing (SSR, ex-128 Technology) — Juniper's SDWAN platform and field notes.
Start Learning →Lab Environments
The lab environment landscape — hypervisors, network emulation platforms, vendor-official tools, container-native labs, and cloud-hosted options, with deep dives to follow.
Start Learning →Personal & Off-Topic
Beyond networking — study guides for non-technical certifications like the RYA Marine Radio (SRC), and hobby deep dives.
Start Learning →Latest from the Blog
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Checked Out, Not Checked: Inside Plugin4Shell's Zero-Click Hit on Four AI Coding Agents
A SHA pin is supposed to mean a plugin can never silently change under you. AIR Security found that four major AI coding agents check out the pinned commit but never confirm they landed on it, and a git ref collision is enough to swap in different code while the pin still looks honored.
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Metasploit Deep Dive Part 1: History, Editions, and the Shape of the Framework
Where Metasploit came from, what Framework vs Pro actually means today, and why a series about the most-covered tool in offensive security still has something to add.
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Metasploit Deep Dive Part 10: Network-Level Detection Engineering
What a network monitor can actually see in the meterpreter handshake and default transports, deliberately narrowed to the wire, since host-based detection is a separate series once its lab work lands.