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https://www.baggerman.org/wiki/
2026-04-28T09:11:11+00:00baggerman.org
https://www.baggerman.org/wiki/
https://www.baggerman.org/wiki/lib/tpl/prsnl10/images/favicon.icotext/html2019-11-15T10:27:57+00:00Anonymous (anonymous@undisclosed.example.com)technical:internet_email_server_setup
https://www.baggerman.org/wiki/technical:internet_email_server_setup?rev=1573835277&do=diff
Internet Email Server Setup
Tools
<https://ssl-tools.net/mailservers/irig106.org>
<https://mxtoolbox.com/>
TLS Certificate
TLS Quick and Dirty Setup
<http://www.postfix.org/TLS_README.html>
<http://postfix.state-of-mind.de/patrick.koetter/smtpauth/postfix_tls_support.html>
<http://www.flatmtn.com/article/setting-openssl-create-certificates>
* Edit openssl.cnf for defaults
* Generate the CA certificate - The first cert is the Authority cert
openssl ca -new -x509 -extensions v3_ca -ke…text/html2019-11-09T09:26:08+00:00Anonymous (anonymous@undisclosed.example.com)technical:mil_connectors
https://www.baggerman.org/wiki/technical:mil_connectors?rev=1573313168&do=diff
Overview
This page is a cross reference of military connector shells, their inserts, the pins and sockets they use, and the wire and tooling used with those pins/sockets. To use this guide follow these steps...
* First, you need to know the overall miltext/html2020-04-29T11:10:45+00:00Anonymous (anonymous@undisclosed.example.com)technical:ntp_debugging
https://www.baggerman.org/wiki/technical:ntp_debugging?rev=1588176645&do=diff
NTP Debugging
<https://www.timeanddate.com/worldclock/>
<https://rags.wordpress.com/2011/10/17/how-to-debug-ntp-issues/>
<https://kb.netapp.com/app/answers/answer_view/a_id/1033534/~/how-to-troubleshoot-ntp-synchronization-issues-in-data-ontap-8-and-later>
Look at a specific NTP server (without actually resetting time) with the ntpdate command.
ntpdate -d 0.us.pool.ntp.org
ntpd
Config file is in /etc
/etc/ntp.config
ntpq
To quickly show peers
nptq -p
To run in interactive mode:text/html2018-12-01T21:57:59+00:00Anonymous (anonymous@undisclosed.example.com)technical:open_source_router_setup
https://www.baggerman.org/wiki/technical:open_source_router_setup?rev=1543723079&do=diff
DD-WRT Open Source Router Project
DD-WRT is a really nifty open source project for turning your boring old wireless router into a modern, full featured router. From the DD-WRT web page:
DD-WRT is a Linux based alternative OpenSource firmware suitable for a great variety of WLAN routers and embedded systems. The main emphasis lies on providing the easiest possible handling while at the same time supporting a great number of functionalities within the framework of the respective hardware platfor…text/html2021-10-14T19:46:48+00:00Anonymous (anonymous@undisclosed.example.com)technical:openssl_usage_notes
https://www.baggerman.org/wiki/technical:openssl_usage_notes?rev=1634258808&do=diff
OpenSSL Usage Notes
The openssl program is basically a dumping ground for all sorts of SSL related functions. What it does varies wildly based on the parameters passed in. Here is a usage summary of some of the more useful functions.
Notes
* SSL is based on RSA asymmetrical encryption (aka public key encryption)text/html2018-12-20T13:18:57+00:00Anonymous (anonymous@undisclosed.example.com)technical:openvpn_setup
https://www.baggerman.org/wiki/technical:openvpn_setup?rev=1545333537&do=diff
OpenVPN Setup
OpenVPN Community Edition
Downloads
OpenVPN Authentication
Here is a good article on OpenVPN Authentication based on Public Key Infrastructure (PKI)
This article does a good job of explaining TLS/SSL and SSL (X.509) Certificates at length.
A working knowledge of encyrption is necessary. Symmetric key encryption is pretty straightforward but public key encryption has some interesting capabilities. Here is a good article ontext/html2020-04-06T13:15:15+00:00Anonymous (anonymous@undisclosed.example.com)technical:pi-hole
https://www.baggerman.org/wiki/technical:pi-hole?rev=1586196915&do=diff
Pi-Hole
Get Pi-Hole
Pi-Hole
Adding LAN addresses
From HOWTO: Using pi-hole as LAN DNS server
Create a second dnsmasq configuration file /etc/dnsmasq.d/02-lan.conf
addn-hosts=/etc/pihole/lan.list
After this, create a “hosts file” for your network /etc/pihole/lan.list with the format ipaddress fqdn hostname, egtext/html2021-05-24T16:38:54+00:00Anonymous (anonymous@undisclosed.example.com)technical:piaware_flight_tracking
https://www.baggerman.org/wiki/technical:piaware_flight_tracking?rev=1621892334&do=diff
PiAware Flight Tracking Software
Software Components
/usr/bin/dump1090-fa - Receives ADS-B tracks on 1090 MHz
/usr/lib/piaware/helpers/faup1090 - Translate beast binary ADS-B format to FlightAware format
/usr/lib/piaware/helpers/fa-mlat-client
/usr/bin/dump978-fa - Receives ADS-B UAT tracks on 978 MHz
/usr/lib/piaware/helpers/faup978
/usr/bin/skyaware978
/usr/bin/piawaretext/html2020-05-16T16:16:06+00:00Anonymous (anonymous@undisclosed.example.com)technical:raspberry_pi_computing_cluster
https://www.baggerman.org/wiki/technical:raspberry_pi_computing_cluster?rev=1589663766&do=diff
Raspberry Pi Computing Cluster
Some Background
There are a number of approaches to parallel cluster processing.
* Kubernetes
* Docker Swarm
* OpenStack
* Apache Mesos
* Apache Hadoop YARN
* Nomad
Setup
On a fresh RPi here are the steps
* Install Python 3, remove Python 2
* Install Docker
* Install Kubernetestext/html2019-08-29T18:50:27+00:00Anonymous (anonymous@undisclosed.example.com)technical:raspberry_pi_i2c_and_spi
https://www.baggerman.org/wiki/technical:raspberry_pi_i2c_and_spi?rev=1567122627&do=diff
How to setup and use I2C and SPI on RPi
Guides
Sparkfun
Adafruit
Enable Interfaces
Make sure I2C and/or SPI are turned on
sudo raspi-config
Install Software
WiringPi is used to program (download) (docs)
I2C tools
sudo apt-get install -y i2c-tools
i2cdetect program will probe all the addresses on a bus. Read and write registers using the i2cget, i2cset and i2cdump commands.text/html2019-09-24T08:11:14+00:00Anonymous (anonymous@undisclosed.example.com)technical:raspberry_pi_nfs
https://www.baggerman.org/wiki/technical:raspberry_pi_nfs?rev=1569330674&do=diff
Raspberry Pi NFS - Mount FreeNAS from RPi via NFS
Prepare RPi for FreeNAS
Create a new group to match the group ID of files
sudo groupadd -g 1001 home
sudo usermod -a -G home pi
Mount Windows share from Raspberry Pi
sudo mount -t cifs //192.168.100.150/Home /home/pi/nas-sandbox/ -o guesttext/html2020-05-21T17:08:38+00:00Anonymous (anonymous@undisclosed.example.com)technical:raspberry_pi_watchdog_timer
https://www.baggerman.org/wiki/technical:raspberry_pi_watchdog_timer?rev=1590098918&do=diff
Raspberry Pi Watchdog Timer
<https://www.switchdoc.com/2017/08/reliable-projects-2-using-internal-watchdog-timer-raspberry-pi/>
RPi Model SoC Chipset RPi 4B BCM2711 RPi 3B BCM2837text/html2021-12-16T08:31:33+00:00Anonymous (anonymous@undisclosed.example.com)technical:technical_notes
https://www.baggerman.org/wiki/technical:technical_notes?rev=1639665093&do=diff
Technical Notes
Cell Data Modem - Setting up and using a cell phone module as a data modem
Using git and github - Notes about git commands and how to use github
Raspberry Pi Computing Cluster
Raspberry Pi NFS - Mount FreeNAS from RPi via NFS
Raspberry Pi I2C and SPI - How to setup and use I2C and SPI
Raspberry Pi Watchdog Timer - How to use the internal RPi watchdog timertext/html2020-09-22T14:42:56+00:00Anonymous (anonymous@undisclosed.example.com)technical:using_git_and_github
https://www.baggerman.org/wiki/technical:using_git_and_github?rev=1600803776&do=diff
Using git and github
I hate GIT
Common Commands
* fetch - Downloads from a remote repository and updates the remote tracking branches.
* merge - Join two or more development histories together
* pull - Download the changes and merges them into working code