# Pastebin GxLyENrg
nipped install log:
>gpart add -a 4k -l gptboot0 -t freebsd-boot -s 512k "da0"
da0p1 added
>gpart bootcode -b "/boot/pmbr" -p "/boot/gptzfsboot" -i 1 "da0"
partcode written to da0p1
bootcode written to da0
>gpart add -a 1m -l swap0 -t freebsd-swap -s 2147483648b "da0"
da0p2 added
>zpool create -o altroot=/mnt -O compress=lz4 -O atime=off -m none -f "zroot" da0p3
>zfs create -o mountpoint=none "zroot/ROOT"
>zfs create -o mountpoint=/ "zroot/ROOT/default"
>zfs create -o mountpoint=/tmp -o exec=on -o setuid=off "zroot/tmp"
>zfs create -o mountpoint=/usr -o canmount=off "zroot/usr"
>zfs create "zroot/usr/home"
>zfs create -o setuid=off "zroot/usr/ports"
>zfs create "zroot/usr/src"
>zfs create -o mountpoint=/var canmount=off "zroot/var"
>zfs create -o exec=off -o setuid=off "zroot/var/audit"
>zfs create -o exec=off -o setuid=off "zroot/var/crash"
>zfs create -o exec=off -o setuid=off "zroot/var/log"
>zfs create -o atime=on "zroot/var/mail"
>zfs create -o setuid=off "zroot/var/tmp"
>zfs set "mountpoint=/zroot" "zroot"
>mkdir -p "/mnt/tmp"
>chmod 1777 "/mnt/tmp"
>mkdir -p "/mnt/var/tmp"
>chmod 1777 "/mnt/var/tmp"
>zpool set bootfs="zroot/ROOT/default" "zroot"
confuguring zpool.cache for zroot...
>mkdir -p "/mnt/boot/zfs"
>zpool set cachefile="/mnt/boot/zfs/zpool.cache" "zroot"
>zfs set "canmount=noauto" "zroot/ROOT/default"
>somethingsomething boot/loader.conf.zfs


(gpart) partition layout (20GB VM):
40-1024           (512K) gptboot0
1064-984 - free - (492K)
2048-4194304      (2GB) swap0
4196352-37744640  (18G) zfs0
41940992-2008 - free - (1.0M)