scripting

Slack Nebula is an overlay network. Basically an on-demand VPN mesh system, Nebula allows hosts in different networks and locations to auto-create encrypted communication channels between each other. A virtual interface is provided to the operating system, and a unique IP address. Once communication has been established, the nodes see each other as being on the same LAN.

For various reasons, sometimes it is useful for a hypervisor to access data served by a virtualized guest system. In this example, it's Proxmox accessing NFS shares on a TrueNAS virtual machine. TrueNAS could just as easily be replaced with Openmediavault or any other NAS server, but the concept of recursive storage access remains the same. NFS in this example could also be replaced with iSCSI, or even SMB.