Skip to main content

Recently Updated Pages

Recursion without recursion to enable forward zones

Technical Notebook Pages Bind9

  Problem I need to add a forward zone to an authoritative bind9 server, but forward zones don'...

Updated 1 year ago by bluecrow76

Video links

Wi-Fi

YouTube video links Mobile Standards Evolution: FDMA, TDMA (3G), CDMA, OFDMA 802.11ac MU-MIMO...

Updated 1 year ago by bluecrow76

Sharing a DYMO LabelWriter 450 Twin Turbo using CUPS and SAMBA

Application and device behaviors

I wanted to if I could use a Raspberry Pi Zero W 1.1 to be a wireless USB print server for my DYM...

Updated 1 year ago by bluecrow76

Optimization with Aikar's flags

Minecraft

Making a copy of this information. Reference sources: aikar.co:tuning-the-jvm-g1gc-garbage-co...

Updated 1 year ago by bluecrow76

SystemD

Minecraft

The two files below are the merger of other Minecraft SystemD service files I came across on the ...

Updated 1 year ago by bluecrow76

ProFTPd and SFTP

Technical Notebook Pages ProFTPd

Ubuntu 22.04 Install proftpd-basic Edit /etc/proftpd/modules.conf and enable mod_sftp and mod...

Updated 1 year ago by bluecrow76

Netplan, Bonding, and VLANs

Networking

Creating a bond interface with Netplan The example below shows two Ethernet interfaces bonded us...

Updated 1 year ago by bluecrow76

WiFi Regulatory Notes

Technical Notebook Pages

More notes to come. For now, these are random useful illustrations from around the web.     ...

Updated 2 years ago by bluecrow76

Learning Resources

Rust

rustup toolchain installer book: the rust programming language rust by example rustlings

Updated 2 years ago by bluecrow76

Axis camera packet capture

Technical Notebook Pages

Download network trace Source According to documentation this can be done via the URL below, as...

Updated 2 years ago by bluecrow76

Polycom

Technical Notebook Pages

Polycom SIP TLS with custom CA The config files below show how to add a custom CA certificate (c...

Updated 2 years ago by bluecrow76

Batteries

Technical Notebook Pages

Lithium Ion Voltage vs. Charge Status Original Source 4.2V – 100% 4.1V – 87% 4.0V – 75% 3.9V...

Updated 2 years ago by bluecrow76

NodeJS

Technical Notebook Pages

Process Management pm2 - Advanced, production process manager for Node.js ORM for Node.js ...

Updated 2 years ago by bluecrow76

Password recovery

MySQL

Reset lost root password /etc/init.d/mysqld stop mysqld_safe --skip-grant-tables --skip-netwo...

Updated 2 years ago by bluecrow76

Using cursors in stored procedures

MySQL Stored Procedures

The MySQL code below is from a stackoverflow answer. It provides a design pattern with detailed e...

Updated 2 years ago by bluecrow76

Permissions / Grants

MySQL

Grants GRANT ALL ON *.* TO 'user'@'localhost' IDENTIFIED BY 'somepassword'; GRANT ALL ON databa...

Updated 2 years ago by bluecrow76

Flask

Python

  Reference code bases: https://github.com/miguelgrinberg/flasky  

Updated 2 years ago by bluecrow76

Bandwidth monitoring

Linux

Useful console programs bwm-ng - Bandwidth Monitor NG (Next Generation), a live bandwidth moni...

Updated 2 years ago by bluecrow76

Ruckus / Brocade

Networking

Links https://robrobstation.com/2017/07/17/ruckus-icx7150-c12p-initial-configuration/  

Updated 2 years ago by bluecrow76

MAC Addresses

Networking

MAC OUI   Reserved OUIs Addresses Usage Reference 00-00-00 to 00-00-FF Reserved ...

Updated 2 years ago by bluecrow76