While the method below is not a best practice on proper IP forwarding, it was a method I had to revert to in order to […]
Scripting, UNIX/Linux
SSH: no matching MAC found
A while ago I ran into an issue where I wasn’t able to SSH into a server due to: The solution, in my case, involved […]
Python, Scripting
Remove Green Screen in GIMP
There are plenty of resources available on the Internet on how to remove the green screen from images in GIMP. This is fine for the […]
Scripting, UNIX/Linux
Remove GPS data from images
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 […]
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, […]
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 […]
Scripting, UNIX/Linux
Remove file on Full Disk
If one of your Linux volumes is 100% full you may end up having to deal with a scenario where you can’t even remove files […]