CoreOS is a linux distribution that is completely described by YAML
Kubernetes – learnt a bit more about it by actually installing it (kubespray), also, trying to do it in an “air-gapped” environment proved hard work
kubespray works by bootstrapping python onto the CoreOS nodes so it can use ansible.
Doing Immutable Infrastructure with deb packages?
Docker
Terraform
Plan & Apply stage
Providers talk to cloud provider APIs
Lab with PXE Booting using Ansible
Highly available Network Appliances on OpenStack
Allowed_Address_Pairs – 0.0.0.0/1 and 128.0.0.0/1
Virtual MAC address between HA members, which means adding an extra Allowed_Address_Pairs pair per Virtual MAC address
Ansible with Jinja2 for the Allowed_Address_Pairs variable
Ansible 2.5 is out
With_SubElements has been depreciated – still works, but documentation refers to loop and lookup plugins
loops can have names now
roles: has been replaced by include_roles
Ansible Galaxy roles don’t need to be the files from galaxy.ansible.com – you can use Git repos.
Matrix.org / riot.im
Bridges to Telegram and others
Matrix.org runs bridges to IRC, Slack and Gitter and host some bots and plugins.
Other bridges are in-place (e.g. t2bot.io) and you can host your own.
French Government to use Matrix as their inter-government communication system
Synapse (Matrix.org homeserver) federates between all the other Synapse servers, and updates the servers when they all come back online. Demo at matrix.org.
Email about Postlayer (Email and Spam Filtering) being demised