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41 total results found

MAC Addresses

Technical Notebook Networking

MAC OUI   Reserved OUIs Addresses Usage Reference 00-00-00 to 00-00-FF Reserved [RFC7042] 00-01-00 to 00-01-FF VRRP (Virtual Router Redundancy Protocol) [RFC5798] 00-02-00 to 00-02-FF VRRP IPv6 (Virtual Router Redundancy Protocol...

Ruckus / Brocade

Technical Notebook Networking


VBAN for Linux

Technical Notebook Linux I've used Voicemeeter Banana and Potato for a long time to do advanced audio management on my various computers, including streaming audio from various computers in the house to my laptop and vice versa. VBAN for Linux allo...


Technical Notebook

radsecproxy Github Project Page radsecproxy.conf man page Configuration Example Integration with OpenVPN radius plugin The OpenVPN radius plugin requires that radsecproxy handle accounting requests. Configuration Options # Note that some block option val...

Network Policy Server / NPS

Technical Notebook Microsoft

  Enable NTLMv2 support for MSCHAPv2 RADIUS requests Enables proxied radius requests when using things like radsecproxy, duoauthproxy, etc. Avoids the MS-CHAP-Error responses. $registryPath = "HKLM:\System\CurrentControlSet\Services\RemoteAccess\Policy" $p...


Technical Notebook

Integrating OpenVPN with RADIUS Below is the culmination of at least a month working with OpenVPN. I recently discovered a bug in the Mikrotik OpenVPN server implementation that prevents users from being informed that they entered invalid credentials. (This ...

Bandwidth monitoring

Technical Notebook Linux

Useful console programs bwm-ng - Bandwidth Monitor NG (Next Generation), a live bandwidth monitor for network and disk io iftop - display bandwidth usage on an interface by host nethogs - Net top tool grouping bandwidth per process nload - displays the c...


Technical Notebook

Lithium Ion Voltage vs. Charge Status Original Source 4.2V – 100% 4.1V – 87% 4.0V – 75% 3.9V – 55% 3.8V – 30% 3.5V – 0% Somewhere in the 3.9V or slightly below area would be ideal for storage. Just don't overdo it. I believe AW batteries generally ship...

Useful system commands

Technical Notebook Linux

Hardware related Memory # Show maximum capacity and number of RAM slots sudo dmidecode -t 16 # Show information on RAM in slots sudo dmidecode -t 17 # Shows all memory related information in the system. Slow as it polls all hardware first. sudo lshw -...


Technical Notebook Python

  Reference code bases:  

Creating a CHR instance in AWS EC2

Technical Notebook Mikrotik

RouterOS CHR instances in AWS EC2 I have experience with T2, T3, and T3a, primarily nano and micro, CHR instances. I prefer to use T3 instances as they provide two CPU cores for practically the same low price.  TL;DR If you want to use T3 or T3a instance, y...