IT

• Have you tried turning the user off and back on again?(Support techs everywhere)
• This is computing and the rules of voodo apply...  (Patrick Norton - 2018)

Operating Systems

• Linux
• Windows
• MacOS

Network Management

• pfSense
• Dynamic DNS
• SSL Certs
• VPN
• nmap

Machine-Machine Communication

• SSH

Useful Utilities & Such

• USB drive handling

Server Building

Start off with the usual update of the repositories...

apt update

Server Building Notes

ESXi Notes

Why virtualize your server infrastructure (Morton Hjorth)

• Licensing
• UPS Handling
• ESXi from the Command Line
• Passwordless SSH
• WebUI Through a Proxy
• ghettoVCB
• Add cron Job
• Allowing SSH & SCP between ESXi Hosts
  • SSH Client must be enabled in the ESXi firewall (for the outbound connection)
  • How to Open and Close Firewall Ports on vmWare ESXi Hosts
• Making ESXi talk MQTT
• Troubleshooting
• Various Observations
• SSL Certificates