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A few tips on how to improve your 3d printing experience. get prints to stick and release from your plate  keep filament from turning into popcorn  keep printer clean and quality consistent  monitor your 3d printer remotely  esp32 cameras:  https:/...

Locate the other machines on your local network: sudo arp-scan --localnet result example: Interface: wlp0s20f3, type: EN10MB, MAC: 04:33:c2:71:7e:42, IPv4: 192.168.0.106Starting arp-scan 1.9.7 with 256 hosts (https://github.com/royhills/arp-scan)192.168.0.1...

For this project I needed a way to confirm the water pump at a remote location was functioning properly over time. The goal was to ensure the pressure is kept at a consistent 40 psi.    The solution was relatively inexpensive ($15 in parts) for an ...

For this project the goal is to know exactly how much current is being used for the entire property. To collect this data I placed 2 SCT013 non-invasive split core current transformers around the phase 1 and 2 wires in the main electrical panel. Using some sim...

This site contains comprehensive resources for small business owners seeking to resolve common digital challenges efficiently and effectively. This site is designed to provide expert solutions without the need for extensive overhauls. Whether you are facing u...

This project aims to relay indoor and outdoor temperature (and optionally humidity) to a server log. This project is fairly simple because we can use off-the-shelf DHT11 and DHT22 sensors (DHT22 is for below 0c).  Note to self: avoid non-oem DHT22 modules. Yo...

Use skiff for email.  Copy DNS setting from skiff to cloudflare. See: https://www.youtube.com/watch?v=hrwoKO7LMzkhttps://raidowl.hostyboi.com/2022/08/22/Cloudflare-Tunnel/ install wget -q https://github.com/cloudflare/cloudflared/releases/latest/download/c...

This probably sounds dumb but I wanted to make sure my birds were not starving to death anytime I needed to travel. The solution was 2 very inexpensive (less than $10) ESP32 CAM modules. These are pretty much plug and play regarding hardware. I just needed to ...

Trinidad Cuba, courtyard in the museum of architecture - march 2024  

Water System Monitoring The Silo Environment System Monitor IOT Project Home Power Consumption Monitoring Simple Surveillance Camera Temperature Monitoring (indoor and outdoor)

I decided to try an alternative to ESP32 cam boards which are limited in functionality due to all pins except 13 being reserved for the camera. The ESP2 WROVER boards, although less popular, offers certain advantages: no need for an interface board or UART ...

Did you know you can use CertBot and NGINX to have a wildcard certificate? Here’s how to do it with an AWS Ubuntu sever. Prerequisites: AWS Route 53 DNS hosted zone Web server using NGINX Website already configured using SSL SSH access with sudo (...

Seriously have you tried just rebooting your machine? For general container logs you can  use the standard docker logs command: docker logs -f --until=120s laravel SSLCertificateFile: file ‘/config_items/certs/impressto.pem’ does not exist or is e...

Did you know you can use CertBot and NGINX to have a wildcard certificate? Here’s how to do it with an AWS Ubuntu sever. Prerequisites: AWS Route 53 DNS hosted zone Web server using NGINX Website already configured using SSL SSH access with sudo (ro...

Memcached is a lightweight alternative to Redis for storing short lived cache which would otherwise we written to the local storage folder as files.  Installing Memcached on Linux is fast and easy. Follow these steps (5 minute job): 1.) As a user with root p...

Out-of-box php fpm is configured for very low server specs such as a 2 core machine. It needs to be configured to match the hardware you are on. You need to factor on the most expensive processes you run. Typically a low-end production server has 4 cores with...

If you have a lot of developers working on the same server, there is nothing worse than having to fix something that went horribly wrong with it. That is why I wrote a script (see at bottom of this page) to help other developers to back up their AWS EC2 instan...

Remove all Docker Containers Stop the container(s): cd ~/mydocker-repo-folder; docker-compose down; Delete all containers : docker rm -f $(docker ps -a -q) Delete all volumes: docker volume rm $(docker volume ls -q) Delete all networks: docker netwo...

By far one of the coolest VSCode extensios I’ve used in a whole. This saves me so much time when debugging dev /build machines. I also use Nautilus on Linux to browser remote servers but being able to edit code like it is local saved a heck of a lot of time. ...

I have been using Syncing for years now and had assumed eveyone had at least heard of it. Apparently not. When I do mention it people seem to think is is an impossible thing. It isn’t and it is really easy to setup. What the heck is Syncthing? It is an open ...