Networking Protocols:

• Ethernet and IP Notes: (layers 1-3) Reviews topics related to Ethernet and IP. 
  
• Routing Theory: (layers 3-4) A look at different routing protocols and how they work.
• Wifi: protocols, db loss, etc. 

Server, System, and Security Topics:

• UNIX/LINUX:  Notes on the OS, example builds, and notes on applications (ie: vi)
• Apple: It's like linux, only in a nice brushed metal box!
• Microsoft: It might make you feel icky using it, but sometimes, you still have to...
  
• DBA Stuff: A few things related to Databases
  


• Perl: Stuff on how to, examples, and cookbooks.
• Ruby: not much
  
• Python: It was bound to happen
• bash: when all you need to do is spit out commands
• Java(script): Either/or... not much
• RegExp: notes on your favorite match command
  
• sed/awk: Auuughhh!!!
• ssl certs: things to know about certs.

• Security related topics

Specific Vendor Stuff:

• Cisco: Some specific Cisco items.
• Juniper: Some notes on the Juniper product line
• F5: Load Balancers. 
• Arista: Fast switches!
• Aruba: Not just Wifi!
• Splunk: Google for syslog
• Riverbed: WAN Speedup devices
• Palo Alto: Nice Firewalls!
• Barracuda: Not great... but it's out there...
• RSA: It's more then just a proprietary encryption algorithm
  
• Infoblox: DNS made really easy
• Ruckus: Brocade's Wifi
• Other:
  
• ServerTech: Great power systems
  
• APC: Power systems
  
• Raritan: Console/Serial and KVM terminals
• Opengear: Console/Serial and KVM terminals
• Checkpoint: Firewall stuff 
• Dell: Force10 switches
• ThousandEyes: WAN monitoring service
• VMWare: Burning up memory and diskspace for badly written applications

Application and Service Notes:

• Subversion: It's true, I use it.  Even though Linus thinks we're all idiots. 
  
• Git: Like subversion, but Linus likes it.
  
• Vim, and EditPlus: Both great text editing tools, but for some things being outclassed by Visual Studio Code.
• GNS3: Virtual router lab for running tests
• Synergy: Two computers, each with their own monitor, but one keyboard and mouse!
• GPG: Is it still vogue to prevent folks from knowing everything about you?
  

• Bind: no need to rely on your providers DNS.
• SNMP: How to "simply" monitor other systems.

• WAN Protocols: How to push lots of data over long hauls without the TCP latency issues.
• Monitoring: Tools to know your net.
  

Other:

• Power Standards: Plug types, local electricial standards, Watts vs. VA. etc.
• Cable Wiring: How to run Ethernet cables, or how to interconnect Serial (RS232) devices.  (aka how do I make an adapter)
  
• Fiber Jacks: Lots of different kinds out there to pick from.
• Media Connectors: Everything from vampire taps to QSFP28 ports
• ICAO Alphabet Codes: The International Civil Aviation Organization code for the alphabet.
• UN/LOCODE: UN Codes for countries and cities/towns
• Outside Plant Codes lists the different definitions for the types of cabling used by carriers. For example this explains what they mean when they replace a "F2" cable.
• Datacenter Info: What is the difference between T1/T4, what should you look for when selecting, what questions should you ask? 
• Datacenter Tiers: What's the difference between a T1 and T4 Datacenter?
• Racking, Wiring, and Tracking Equipment Properly. How to build/layout cabinets properly
• Interview Questions: a few tech questions that might be good to ask folks
• Icons.  I know, I know... but sometimes it's nice to have a fancy desktop....  There are also some resources for Visio Icons.
• Diagramming tools: couple of ways to document a wiring topology. 
• Google Sites.  some (few) hints on using google sites
  

Network Resources:

• IEEE OUI's
• Traceroute.org
• Your Source IP
• IP calculator: it's verra nize!
• Registrars  ARIN | APNIC | LACNIC | RIPE | AfriNIC
• BGP Route Mapping

Links:

• cisconet.  A log of great networking references
• ShowIPBgp.  another log, this one only of BGP notes
• DatacenterKnowladge.  A rag that discusses datacenter news.
• packetforlife. another technical blog/rag that talks about networking.  Good cheat sheets here too
• notes.