Download
Caelum — v0.48.2
OVA, qcow2, VHDX or ISO — your call. Downloads go through your Caelum portal account so we can notify you of critical updates (max 1 email per release, one-click unsubscribe).
Requirements
What you need
- ▸ Hypervisor (OVA / qcow2 / VHDX): VMware ESXi 7+, Proxmox 7+, recent KVM/libvirt, Hyper-V Server 2019+ / Windows Pro
- ▸ Bare-metal (ISO): x86_64 CPU with virtualization enabled, BIOS or UEFI boot
- ▸ vCPU: 4 minimum, 8 recommended
- ▸ RAM: 8 GB minimum, 16 GB recommended (32 GB for large deployments)
- ▸ System disk: 32 GB minimum
- ▸ Data disks: based on your sizing (separate protection groups)
- ▸ Network: 1 management NIC + 1+ data NIC (LACP supported)
Verify
Check the checksum
Once the image is downloaded, verify its integrity — especially if you're going to deploy it in production:
# Linux / macOS
sha256sum caelum-0.48.2.ova
sha256sum caelum-0.48.2.iso
# Windows PowerShell
Get-FileHash -Algorithm SHA256 .\caelum-0.48.2.ova
Get-FileHash -Algorithm SHA256 .\caelum-0.48.2.isoImage downloaded, what's next?
The quickstart walks you through 5 steps (~5 minutes for the first SMB share).