Renaming multiple files in Linux & OSX in one line
Renaming multiple files with the mv command is easier if you know a little bit of Bash scripting. I stumble across the following when I try […]
Category: Linux
3 Steps to Install Audio Controlled LEDs
I stumble across the cool WLED firmware which allow you to control my LED Strips. So combining this with LedFx, it makes one heck of […]
How to Update Home Assistant in Docker Container
Here are the step by step walk though to update the Home-Assistant in Docker container. Step 1. Stop and Delete the container SSH to your […]
How to Set Up Local Webserver in OSX BigSur
I need to experiment with my Unifi API, and given that all my machine is occupied, I decided to use my new Hackintosh BigSur as […]
How To Fix Memory leak in ESP8266/NodeMCU
One problem when you are using micro controllers such as Arduino or ESP8266 is that you need to be aware of how precious the memory […]
Upgrading NXFilter on Raspberry Pi
If you have followed my previous post on how to install NXFilter on Raspberry Pi, you might find the following information useful to upgrade what […]
How to start Docker Container at boot time
Now that you have all those docker containers working beautifully, there come a point that you will need to restart the server. That’s when all […]
3 Steps to Install NXFilter on Raspberry PI
I ordered Raspberry Pi just before we went into lockdown. And I am trying to find what I can push this little device into. I […]
DIYHUE light using ESP8266
I stumble across a post about how to turn your ESP8266 to be compatible Philip Hue device. Step 1. Install DIY Hue The first step […]
4 Steps to Install Darknet with Cuda and Opencv for realtime object detection
I have been pulling my hair for the last couple of days trying to install Darknet with Cuda and Opencv. Installing Darknet on it’s own […]
4 Steps to Configure InfluxDB and Grafana
If you have been following my post on setting up Home Assistant with Docker in Raspberry Pi. This is the continuation of the post. Once […]
4 Steps to send MQTT data to Home Assistant using ESP8266
If you have been following my post on installing Home Assistant on Raspberry Pi, now it is the time to try posting MQTT message to […]
8 Steps to Instal Mosquitto, InfluxDB and Grafana via Docker
Now that you have Home Assistant installed, you will need to install MQTT broker to allow interaction between your IoT devices with Home Assistant. In […]
Installing Home Assistant via Docker
This is the continuation from the previous post Docker Installation. Now we can install Home Assistant via Docker into Raspberry Pi. To start the installation, […]
3 Steps to prune Mongo DB in Unifi Controller
You will need two session of terminal to repair, the first session to run the mongo daemon and the second session to prune the database. […]
Connecting IoT Sensors data to Node-RED
This is the continuation of the Temperature sensor project in the previous post. The concept is to allow the data from sensors (temperature, motion) can […]
UniFi network controller failed to start
I was helping a friend to fix his UniFi network controller that failed to start. I didn’t know much about it, and we think this […]
TERM support in Screen command
When you get the following error message when trying to start screen Cannot find terminfo entry for ‘xterm-256color’. you will need to find the which […]
How to bulk rename file extension in Linux or Mac
There are times where you want to rename file extension or file ending in bulk, e.g.: from Something_ONE.jpg to Something.jpg Someotherfile_ONE.jpg to Someotherfile.jpg the following […]
How to copy a file with I/O errors?
If you encounter the following error To salvage all readable data, we will use a fault-tolerant copy utility called dd. dd stands for “disk duplication”. […]