- gatekeeper (open-policy-agent OPA)
- keycloak + OpenID Connect (OIDC)
- https://github.com/denji/nginx-tuning
- RBD, ceph-rbd
- kubevirt
- consul
- Proxmox VE
- load testing => Apache wrk, locust, tuned, Apache benchmark (ab)
- DB => MariaDB, MongoDB, PostgreSQL
- Hadoop, neo4j
- kubefarm
- Harbor
- ISTIO, https://linkerd.io/
- HAPROXY, MetalLB, Traefik
- ROOK, Longhorn, MinIO, GlusterFS
- keepalived
- MASS, https://buildah.io/, Juju
- Terraform + libvirt/KVM https://www.youtube.com/watch?v=MdeJn1k2b8Y