Increase timeout for Janus installation
Updating JetBrains IDE versions
Adding quiet flag to unzip commands
Install the correct version of nc on Ubuntu
Disable IPv6 on Ubuntu
Adding tools for HTTP caching lab exercises: Squid caching (reverse) proxy, Locust load testing tool, BrowserMob Proxy for capturing HTTP traffic as HAR (HTTP Archive) files to be used in visualisations
Making the NodeJS base recipe work on CentOS
Updates to the HTTP lab VM: Adding additional tools and removing unnecessary port forwards
Setting SSH forward_port to avoid port clashes on host OS
OpenSSL configuration for creating a dummy Certificate Authority and a recipe to create keypairs and issue public key certificates using the dummy CA