Dan's docs

Openstack

Installing Openstack and Octavia loadbalancing using Juju

Notes on configuring and using Openstack

Notes on MAAS - Metal As A Service

Virtualmin

Configuring a Virtualmin server

Virtualmin maintenance

Batch creation and removal of Virtualmin accounts

Monitoring

Configuring a Zabbix server

Configuring a Zabbix client

Landscape and unattended-upgrades

Misc

Notes on configuring a ZFS LTSP server

Sending email with postfix and gmail

Configuring a standalone FOG VM

ClamAV and Linux Malware Detect