# fetlab
## Debian Installation
Boot Image Debian Netinstall on USB stick, Advanced Options->Expert Install
Language: English, Location: other->Europe->Austria
Locale: en_US.UTF-8, Additional Locale: de_AT.UTF-8, System Locale: en_US.UTF-8
Keyboard: German
Detect and mount CD-ROM, Load installer components: no extra
Detect network hardware, Configure Network: Hostname: fetlabserv, IP 128.131.95.223/24 domain htu.tuwien.ac.at
Setup Users and Passwords: shadow, allow root login, no normal user
Configure the clock: NTP Server: tutimea.tuwien.ac.at,tutimeb.tuwien.ac.at,tutimec.tuwien.ac.at,
Detect disks, partition disks: manual
msdos table, 32GB primary for RAID
RAID: Create MD device RAID1
part LVM in raid1
LVM: volume group root on /dev/md0, logical volume sys 24GB, swap 6GB
root-roo btrfs for /
root-swap as swap
Generic Kernel
Mirror, no nonfree, contrib, allow backported
install with ssh server and standard sys utilities
Install Grub on /dev/sda(to removable media path)
Install Grub on /dev/sdb(to removable media path)
reboot, log in as root
edit /etc/ssh/sshd_config set PermitRootlogin to yes
service sshd reload
ssh-copy-id root@fetlabserv from client
edit /etc/ssh/sshd_config set PermitRootlogin to prohibit-password
## Setup ZFS
```shell
for i in a b c d e f g h i; do echo -n "/dev/sd$i: "; hdparm -I /dev/sd$i | awk '/Serial Number/ {print $3}'; done
lsblk
sgdisk -n1:0:0 -t1:BF01 /dev/sda
sgdisk -n1:0:0 -t1:BF01 /dev/sdb
cryptsetup luksFormat /dev/disk/by-id/ata-ST4000VN008-2DR166_ZDH35RRA-part1
cryptsetup luksFormat /dev/disk/by-id/ata-ST4000VN008-2DR166_ZDH469JD-part1
zfs_mount.sh mount
zpool create -o ashift=12 -o autoexpand=on -o autoreplace=on -O atime=off -O compression=lz4 -O acltype=posixacl -O xattr=sa lab mirror /dev/mapper/ata-ST4000VN008-2DR166_ZDH35RRA-part1 /dev/mapper/ata-ST4000VN008-2DR166_ZDH469JD-part1
/sbin/zpool scrub lab
zfs create lab/rec
mkdir /var/lib/motioneye
zfs create -o mountpoint=/var/lib/motioneye lab/rec/motion
```
## Get video input resolutions
```shell
ffmpeg -f video4linux2 -list_formats all -i /dev/video0
```