Proxmox Setup
I use ESXi 6.5 on my Dell R620 server but I cannot upgrade it or install vCenter for some reason. Also on ESXi 6.5, I have hard time passing through components. On Proxmox, it is easier to passthrough with IOMMU and also add software like NUT that I’m going to do later. I have also multiple disks on it and wanted to manage it as one : there is an hardware raid controller on it but it is very slow and I tried upgrading it and it failed at boot. So I choose to use the software ZFS provided by Proxmox installer (Raid 7 or RaidZ3 in my case because I use old hard drives).
Now that Proxmox is installed and my drives are managed as one, I setup pci passthrough for later. For that, I followed the Proxmox Wiki and added the iommu arguments at the end of the line of /etc/kernel/cmdline like this :
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root=ZFS=rpool/ROOT/pve-1 boot=zfs quiet intel_iommu=on iommu=pt
And then I ran the command to update systemd-boot and rebooted the server :
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proxmox-boot-tool refresh
reboot
As tweak I installed both Nag Buster and Dark Theme. Both are simple to do, just run their installer and done.