{ disko.devices = { disk.main = { type = "disk"; device = "/dev/disk/by-id/ata-Samsung_SSD_850_EVO_120GB_S21UNXAG707431X"; content = { type = "gpt"; partitions = { boot = { size = "1G"; type = "EF00"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; mountOptions = [ "fmask=0022" "dmask=0022" ]; }; }; root = { size = "100%"; content = { type = "filesystem"; format = "ext4"; mountpoint = "/"; }; }; }; }; }; }; }