A quick tutorial on using Imagemagick to add a background shadow to images. For the best result, ensure the original image has a transparent background. It is also useful to observe consistent sizes for the images.

Add a shadow

1. Set the name of the input image - for example

1input="old.png"

2. Set the name of …

Convert JSON to CSV with JQ.

jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.

Being able to move between different file format is quite a common task, so I was delighted to find a quick and …

How to use Buildpacks on ChromeOS (Debian Buster).

What is a buildpack?

"A buildpack is something you’ve probably leveraged without knowing, as they’re currently being used in many cloud platforms. A buildpack’s job is to gather everything your app needs to build and run, and it often does this job quickly and …

Introduction

Build, test, and deploy on the Google Cloud serverless CI/CD platform. Cloud Build scales up and scales down in response to load with no need to pre-provision servers or pay in advance for additional capacity. Pay only for what you use.

In this blog post, Cloud Build is used for the automation of Hugo …

"PDFtk - The PDF Toolkit. PDFtk is a simple tool for doing everyday things with PDF documents. It comes in three flavors: PDFtk Free, PDFtk Pro, and our original command-line tool PDFtk Server."

In this blog post learn how to install PDFTK used to edit PDF.

1. Install PDFTK on debian

1sudo apt install pdftk …