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First, figure out what interests you about mesh networks: radio? emergency communications? community communication for events? Next, go to meshtastic.org and look over the pages, what is there, what is too deep or too shallow to answer your questions Some basi...

On certain channels, you can use short text commands to get automated text messages sent back to you by direct message (DM). Try these commands: wx: weather forecast solar: solar flare data moon: moon dataFull list: Networking Command Description ✅ Works Off-G...

These are technical notes to help setup meshADV HAT boards that go onto Pi zero, 3b+, 4b+ and 5 boards: meshtasticd piHAT piHAT installation: meshadv PiHAT (full and mini) raspian 12 (bookworm) is best https://github.com/chrismyers2000/MeshAdv-Pi-Hat?tab=readm...

Download meshtastic_dashboard.html (text/html, 20.6 KB) Download heltecv4_dashboard.html (text/html, 15.0 KB) Migrated from Apple Server Wiki. Original page ID: b7x5t6

HPA OpenwebRX+ http://sdrhpa.kamuela.org:8173/?f=7090&mod=lsb#freq=7090000,mod=lsb,sql=-150 Waimea Web-888 http://cm.kamuela.org:8073/?f=7090&mod=lsb Waimea OpenwebRX+ http://cm.kamuela.org:8093/#freq=7090000,mod=lsb,sql=-150 Notes: Each of these can be tuned ...

Course outline: Levels: Physical: wired and wireless networks, fiber networks-how do they work, how are they vulnerable Logical: How does information pass through these networks: protocols, transport, machine to machine communications, malware, hacking, code, ...

If you want to learn about driving, you first have to understand what a road is. In this case, network "roads" are cables, but can also be fiber optics or wireless networks We need to understand how to create one of these "roads" from scratch We will be using ...

9.1.26: terminal commands Reference: Download Take Control of the Mac Command Line with Terminal (3.4).pdf (application/pdf, 2.2 MB) We will be using macbook air computers, with OS version 12.7.6 on the elab network wifi. IPNM was version 2.7.3 or 2.8c1 terms ...

======Review so far:  ================================= We learned about physical links:  ethernet cables 8 wires in pairs on pair is transmit (TX) one is receive (RX) full duplex (talking and listening at the same time)We used terminal to learn about our comp...

CIA is not just a secret branch of the government, it stands for three key parts of cybersecurity: Confidentiality: making sure what you store on your computer is not shared (data) Integrity: making sure your data is not changed in any way, e.g. a bank balance...

Email your answers to bill@hpa.edu You may use the notes on the weblog, as well as the web to complete your evil task... Using the tool of your choice, find the IP address of several of your classmates' computers Ping these and record your results With permiss...

Review: We know how to scan a network to see who is on the network ("homes"), which doors are open ("ports") and how to get into them via ssh to change things inside the home (sudo nano). We need to learn how to protect these ports, using a firewall. Let's rev...

router-gateway challenge setup your router with an external address in the form 10.14.90.x and write this on the board setup a LAN network with internal network scope 192.168.6.1 with 254 hosts connect one of the pi400 to your LAN using an ethernet cable find ...

cybersecurity notes: first massive "kinetic attack" impacting machinery https://elab.hpa.edu/cs/videos/zero%20days.mp4 00-21:00 cyber background 21:00-38:00 what are centrifuges, how the code will be used 38:00- 57:00  cyber command, NSA, governments 57:00-  N...

Let's start with your wifi connection. you already know how to hold option and the apple signal to get data, try the iwifisignal app installed on the elab macs: Screen Shot 2025-09-10 at 11.18.18 AM.png What do you see here that you don't see elsewhere?What ar...

Download Module 5 Pt 2.pdf (application/pdf, 435.2 KB) Module 5: Cybersecurity Pt. 2 Key Terms: Malware Types of malware C2 servers Examples Protocols Definition Common protocols DNS Cryptography Hashing Encryption Usages Malware Malware is a word most people ...

Choose one of the Mikrotik routers in the lab, and using your iMac wired connection, configure a hidden wifi network and NAT to enable ssh into your iMac from the WAN. Challenge your friends to login to your iMac by the WAN connection and create a folder there...

Please read this about wifi security and answer the following questions:Take Control of Your Wi-Fi Security (1.7).pdf Download Take Control of Your Wi-Fi Security (1.7).pdf (application/pdf, 1.4 MB) Take Control of Your Wi-Fi Security (2.0) Download Take Contr...