The following documentations / documents on system installation, deployment, system maintenance and updates already exist and have been made available to system administrators:

FOLIO Install on github
Okapi Guide and Reference (will this be discussed in SysOps SIG ? - created by core team)
- okapi-curl-env is a lightweight curl wrapper
Stripes Core / Documentation roadmap (will this be discussed in SysOps SIG ? - created by core frontend team)
Helm charts: https://github.com/folio-org/folio-helm , https://gitlab.lrz.de/bib-public/folio-helm
folio-ansible: VM, Vagrant and Ansible Playbook documentation (will this be discussed in SysOps ? )
dev.folio.org: Guides - Documentation for the various components of FOLIO (written for developers) (will this be discussed inSysOps SIG ? - maintained by DevOps)
Docker containers in repository folioci
PostgreSQL
- Run VACUUM ANALYZE and REINDEX <indexname> on a regular basis (taken from OAI-PMH Best Practices#SlowPerformance and 2020-07-06 Reporting SIG Meeting notes)
- Run VACUUM FULL on the affected tables before starting a long running migration of a module to a new version (taken from MODINVSTOR-844 Investigate and choose a strategy for publicationPeriod Migration).

Documentation in the SysOps SIG Wiki pages:

Deployment Environments (general overview), Architectural diagram
- Notes for Conceptual Architectural Diagram (does this belong to the technical documentation ?)
Deployment Environments in SIG members' institutes - Deployment at Cornell, hbz, TAMU and VZG (does this belong to the technical documentation ?)
In-place upgrades and Folio-to-Folio release data-migration
Performance testing and metrics in SIG members' institutes (does this belong to the technical documentation ?)

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