My own topics
Install configure and run a virtual X Server for Chrome on Ubuntu server using this script.
IaC example is a simple example of Infrastructure as code (IaC) to automate a development environment based on Vagrant and a staging, production environment on AWS. The installation creates a basic Symfony application along with a PostgreSQL, Solr and Redis services. Ansible helps automate all the infrastructure tasks and the bash scripts act as a wrapper for the Ansible commands.
Install a private docker registry on your cloud with letsencrypt certificates in a few easy steps. The shell script will install docker and letsencrypt, generate the certificate, then mount it to the docker registry. Additionally it will create a test user for basic authentication.