Notes

• git clone --recurse-submodules git@github.com:Dr-Deep/dots.git

hexdump

• hexdump -v -C /file | less

ZFS: zpool

• zpool list -v zsys
• zpool attach -w zsys /dev/gpt/zsys /dev/ada2p2.eli
• zpool detach zsys /dev/device

NVME nullen

• nvmecontrol format -E /dev/nvme0
• nvmecontrol sanitize -a block /dev/nvme0

hbsdcontrol

• [shlibrandom, segvguard, prohibit_ptrace_capsicum,]
• [pageexec, mprotect, insecure_kmod]
• [harden_shm, disallow_map32bit]
• hbsdcontrol pax list
• hbsdcontrol -H -d pax disable feature $(which file)
• hbsdcontrol pax disable insecure_kmod /path/module.ko

kern

• sysctl hardening.harden_rtld

vm-bhyve

• vm create

NBD: Network Block Device

• qemu-nbd -f raw -b 0.0.0.0 -p 10809 -t -e 0 --fork /dev/vda
• gnbd connect -p 10809 185.213.240.247

ZVol Swap

zfs create -V 8146681856 -b 4k \
  -o org.freebsd:swap=on \
  -o primarycache=metadata \
  -o sync=disabled \
  -o logbias=throughput \
  -o checksum=off \
  -o compression=off \
  -o refreservation=auto \
  zlab/swap

# lnxlab@bsdlab

## 
loader="uefi"
cpu="1"
memory="4G"

debug="yes"

## Network
network0_type="virtio-net"
network0_switch="public"
network0_mac="00:DE:AD:BE:EF:01"

## Disk
disk0_type="virtio-blk"
disk0_name="zvol"
disk0_dev="sparse-zvol"

uuid="7d023263-5ab1-4f1b-88d6-44d31bff598a"

qemu-nbd -f raw --persistent -p 10809 /dev/vda