# secondwhite

This board runs some services which are essential for the network.
Up Board is better suited than Raspberry Pi for this task since it is more powerful and got a gigabit LAN connector.

IP address: 192.168.17.207

## DHCP

All baord are assiged a dedicates ip address. See [dhcp.conf](dhcp.conf) for details.

http://www.raspberry-pi-geek.de/Magazin/2014/03/RasPi-als-DHCP-und-DNS-Server/(offset)/2

## PXE

http://www.raspberry-pi-geek.de/Magazin/2018/02/RasPi-via-Netzwerk-booten

Mac:

```
sudo rsync -xa --exclude /nfs / seal@secondwhite.tinycloud:/nfs/firstblue/
```

```
sudo rsync -xa /boot seal@secondwhite.tinycloud:/tftp/192.168.17.11
```

## DNS

Remove `resolvconf` to prevent `/etc/resolv.conf` from beeing overwritten.

```
sudo apt-get remove resolvconf
sudo rm -rf /etc/resolv.conf
```

http://www.raspberry-pi-geek.de/Magazin/2014/03/RasPi-als-DHCP-und-DNS-Server/(offset)/2

## NTP

https://www.raspberrypi.org/forums/viewtopic.php?t=217832#p1340336

http://www.raspberry-pi-geek.de/Magazin/2014/03/RasPi-als-DHCP-und-DNS-Server/(offset)/2
https://vitux.com/how-to-install-ntp-server-and-client-on-ubuntu/
https://wiki.ubuntuusers.de/systemd/timesyncd/

## Internal Docker Registry