How
to write good LRZ Service Requests: a comprehensive guide on how to
write your request to get quick IT support from
LRZ which is also
applicable to other computing centers. 
Just use Matrix:
A quick intro to Matrix communication
protocol and relevant tools for secure, decentralised
communication. What is Mastodon?
A quick guide to open-source and federated social networks (MPG members
can use MPDL’s Mastodon
instance) The Story of
Mattermost: A quick intro to open-source collaboration platform (MPG
members can use MPDL’s
Minerva Messenger which is the enterprise version of Mattermost
hosted by MPDL)
