{ machines.lewis = { arch = "x86_64-linux"; nixosModule = { lab = { backups.enable = true; data-sharing.enable = true; storage = { osDisk = "/dev/sda"; dataPartition = "/dev/nvme0n1p1"; }; }; services.tailscale = { enable = true; extraUpFlags = [ "--ssh" ]; }; }; }; }