# APU server

The APU is a Linux box to be used as a control box at LIN sample environment

servercfg/  contains the configuration files for all boxes

to_system/  contains the files to be installed in the system

## config files

filename: servercfg/(hostname)_(hexdigits).cfg

  * (hostname) the hostname to be given on startup
  * (hexdigits) the last six digits of one of the ethernet adresses of the interfaces on the APU

content of the config files:

```
[NETWORK]
# leftmost socket next to the console:
enp1s0=wan     # the uplink, DHCP enabled, in netwoork n.x.y.z for  0 <= n < 192
enp1s0=wan,192.168.1.0/24    # the uplink, DHCP enabled, may be in addition in local network 192.168.1.x
                             # several networks might be specified, with comma separation
                             # must not contain addresses defined on other interfaces!
enp2s0=192.168.3.5     # the ip address of the device to be connected (DHCP or static),
                       # must be odd (the value one lower is used for the APU address in this interface)
enp3s0=off             # disabled
enp4s0=192.168.3.1/24  # our ip address, the static address of the connected device must
                       # be within 1-254 and not match our own
# rightmost socket, next to the usb plugs

[ROUTER]
3000=/dev/ttyUSB0       # routing 3000 to the internal serial port /dev/ttyUSB0
5900=192.168.2.33       # routing VNC (local port 5900 to port 5900 on 192.168.2.33
8080=192.168.127.254:80 # routing 8080 to port 80 of 192.168.127.254

[FRAPPY]
cfg=uniax   # the cfg file for the frappy server
port=5000   # the port for the frappy server
```