Command Reference

Quick lookup for common infrastructure, cloud, automation, security, and troubleshooting commands.

Notes

• Replace anything in <angle-brackets> before running.
• Review destructive commands carefully.
• Prefer check commands before change commands.

Proxmox

# List VMs
qm list

# Show VM config
qm config <vmid>

# Rebuild cloud-init ISO
qm cloudinit update <vmid>

Ceph

# Check Ceph health
ceph -s

# Show detailed health
ceph health detail

# Show OSD tree
ceph osd tree

Docker

# List running containers
docker ps

# Show Compose services
docker compose ps

# Show container logs
docker logs <container-name>