Before sharing your images on the Internet, you should remove the GPS data from it, unless your intend is to share the location where the […]
Scripting, UNIX/Linux
Extract images from MP4
Extracting individual images from your MP4 files is quite easy with the FFmpeg utility. You may already have it installed on your Linux or MacOS […]
Scripting, UNIX/Linux, Virtualization
Increase vmdk disk in VirtualBox
The steps below are specific to increase a VMDK disk in VirtualBox 6.1.40 for a CentOS 7 guest VM and on a MacOS host. The […]
Electronics, Hacks
Replacing Ring Floodlight Lights
I really like my Ring Floodlights but I am really bothered by their terrible design decision around their non-replaceable LED lights. My Floodlight’s LEDs started […]
Javascript
tar example in nodejs
The snippet below will look inside directory /inputdir and archives the sub-directory called mydirectorywithfiles. The resulting tar file is written to /outdir/mytarfile.tar.gz.
Cloud, Javascript
Using OAuth2 token in GCP Storage API with nodejs
You can use short-lived OAuth2 tokens in many Google Cloud API calls, however you may run into some interesting limitations and quirks, more specifically in […]
Firmware, Scripting, UNIX/Linux
Alternative to Wget and cURL
If you are working on a Linux device that does not have Wget and cURL, or a limited version of either commands, for instance Busybox, […]
Database, Javascript, MongoDB
Enabling TTL on MongoDB GridFS
Anything you store in MongoDB’s GridFS is stored in 2 collections. For instance if your files are loaded in a GridFS bucket called ‘images’ you […]
Scripting, UNIX/Linux
Generate Memory Usage on Linux
For testing some monitoring software on my Linux system I needed to use up most of the RAM using basic Linux commands. The following worked […]
Scripting, UNIX/Linux
Generate CPU Usage on Linux
In order to test some monitoring software on a Linux system I wanted to generate CPU Spikes to test some alarms and metrics. There are […]