Network infrastructure and software

Monitoring the network neighbours can possibly help to find attack vectors in Freifunk Network. O...

We use this script in local mode to have a quick emergency halt possibilty. Never use this over i...

Mount USB stick (backup stick) #format SD card mkfs.ext4 /dev/sda vim /etc/fstab configure fs...

vim /opt/swappy.sh #!/bin/bash free_data="$(free)" mem_data="$(echo "$free_data" | grep 'Mem...

Network configuration The Duet controller is attached to Raspberry Pi by USB and by LAN to route...

Baby Stepping - clear (set zero) M290 R0 S0 ;clear babystepping Baby Stepping - Down 0.1 mm M2...

The following table compares some essential features required for Trikarus project. Featur...

Trikarus uses Freifunk firmware router to build up a network which can be used remotely. The rout...

We use mkcert tool to make secure localhost connections. For mkcert we need Go language installed...

Trikarus uses a Tablet Lifetab P9812 by Medion to show the Repetier Server frontend and Grafana. ...

Hangprinter consists of a lot of electronic components which can be monitored in different ways. ...

The encoder is not mounted at the moment because hardware failed (but software works well) Targe...

Relay for the LED lighting Relay for the power supply unit collectd Python plugin scrip...

Install InfluxDB instance local database on Raspberry Pi A remote database, which is used a...

To monitor some important values from Duet Trikarus project is going to monitor different values ...

Hardware → Gyroscope and acceleration sensor GY-521 (MPU6050) and basic configuration for Raspber...

Repetier Server offers a new quick status monitoring of the system since version 0.94.0

apt install collectd vim /etc/collectd/collectd.conf FQDNLookup true BaseDir "/var/lib/collect...

Setup apt-get install -y adduser libfontconfig1 wget https://dl.grafana.com/oss/release/grafana...

A simple script is checking if the Smart Steppers are connected by USB. vim /opt/iostat.sh #!/b...

vim /opt/monitorSystemctl.sh #!/bin/bash MAIL="/opt/monitorSystemctl.mail" FAILED=$(systemctl ...

A simple script is checking if the Smart Steppers are connected by USB. vim /opt/monitorUSBdevic...

This is a bare copy of https://github.com/dbrgn/collectd-python-plugins/blob/master/cpu_temp.py ...

This application is perfect for multiple servers or just for displaying some stats remotely or do...

For debugging purposes we monitor Smart Stepper values by the provided Python control service. Se...

This is based on https://harlemsquirrel.github.io/shell/2019/01/05/monitoring-raspberry-pi-power-...

Trikarus uses Python 3.7 scripts. Before using Raspbian buster release the stretch version was us...

GPIO (General Purpose Input/Output) pins on the Raspberry Pi https://www.raspberrypi.org/documen...

Raspberry Pi overview Image source: https://www.elektronik-kompendium.de/sites/raspberry-pi/19...

Persisting connected USB devices The following external hardware is connected to hangdevice #su...

Install apt-get install watchdog Warning: Do never call "cat /dev/watchdog" because it will res...

The OS is installed on Raspberry Pi 3 B featuring a High Endurance Micro-SDHC card 32 GB 100 MB/s...

Installation of Repetier Server https://www.repetier-server.com/manuals/0.85/index.html sudo su...

Smart Stepper command line interface Docs from https://github.com/Misfittech/nano_stepper The s...

How to change Vendor / Product ID? For a better control of the dev rules for Smart Stepper the V...

USB Reset way #1 - bind/unbind The following unbind command will kill complete USB chip for sess...

Backup the SD card image for larger upgrade → see High Endurance Micro-SDHC card 32 GB 100 MB/s U...

Overview of used firmware and software + where to donate What? Why Version Source ...

The webcam used at Trikarus is used to deal for monitoring purposes and timelapse videos. Public ...

We use Wireguard VPN client on hangdevice because it allows us to have a secure privat IPv4 (and ...