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…
Linux
Connecting IoT Sensors data to Node-RED
This is the continuation of the Temperature sensor project in the previous post. The concept is to…
UniFi network controller failed to start
I was helping a friend to fix his UniFi network controller that failed to start. I didn’t…
TERM support in Screen command
When you get the following error message when trying to start screen Cannot find terminfo entry for…
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…
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…
How to Setup SSH for Auto Login without a Password
Used for ssh or scp or anything that needs SSH secure access. Quick reminder… If you’ve done…