Tomcat 9 on AWS CentOS
The Amazon Linux AMI 2018.03.0 image comes with Tomcat 7 and 8. Copy and paste this code into your SSH terminal to install Java 8 and Tomcat 9.
2018
Dynatrace Host Groups
Host groups are a powerful concept in Dynatrace. This tutorial shows how to utilise host groupings to properly define and baseline a set of Apache services.
Ansible 101 - Vault
Ansible Vault is an out-of-the-box encryption mechanism. Use it to store (encrypted) sensitive data for use within playbooks. This tutorial will get you up-and-running with Ansible Vault in under 10 minutes.
Ansible 101 - The Basics
Ansible is an automation and configuration management system. It is incredibly simple to get going and extremely powerful once mastered. The first part in the series aims to get you up and running with Ansible...
Ansible 101 - Playbooks
In the previous tutorial we covered Ansible setup and some basic ad-hoc commands. It’s time to get organised and introduce the ability to easily repeat ourselves consistently. This tutorial will focus on playbooks...
Web Performance 101 - Caching Dynamic Content
What is caching, how does it relate to (and differ from) static content and how can you use it to increase the performance of your websites?
Web Performance 101 - Image Loading (Sync vs. Async vs. Lazy Loading)
Let’s examine the difference to your users (and your server bill) between various image loading strategies. We’ll compare “standard” synchronous loading vs. asynchronous vs. lazy loading with the new IntersectionObserver API.
Web Performance 101 - Static Content
You may have heard of static content, but what difference does it really make to web performance? Let’s find out...
Web Performance 101 - Location
How much does server location influence the performance and response time of your website?
A lot...
Saltstack 101 - Dynatrace Integration
Auto-heal your infrastructure when problems occur with Dynatrace & SaltStack...