User`s manual

Chapter 4 Managing Communications ........................................................................4-1
Telnet / FTP ............................................................................................................................. 4-2
DNS ......................................................................................................................................... 4-2
Web Service—Apache............................................................................................................. 4-3
IPTABLES............................................................................................................................... 4-4
NAT.......................................................................................................................................... 4-8
NAT Example............................................................................................................... 4-8
Enabling NAT at Bootup.............................................................................................. 4-9
Dial-up Service—PPP.............................................................................................................. 4-9
PPPoE .................................................................................................................................... 4-12
NFS (Network File System)................................................................................................... 4-14
Setting up the UC-7400-LX Plus as an NFS Server................................................... 4-14
Setting up the UC-7400-LX Plus as an NFS Client.................................................... 4-15
Mail........................................................................................................................................ 4-16
SNMP .................................................................................................................................... 4-16
OpenVPN............................................................................................................................... 4-17
Chapter 5 Programmer’s Guide....................................................................................5-1
Before Programming Your Embedded System ........................................................................ 5-2
Caution When Using File Systems............................................................................... 5-2
Using RAM File System Instead of Flash File System ................................................ 5-2
Flash Memory Map.................................................................................................................. 5-2
Linux Tool Chain Introduction................................................................................................. 5-2
Debugging with GDB.............................................................................................................. 5-4
Device API............................................................................................................................... 5-4
RTC (Real-time Clock)............................................................................................................ 5-5
Buzzer...................................................................................................................................... 5-5
WDT (Watch dog Timer) ......................................................................................................... 5-5
UART....................................................................................................................................... 5-9
LCM....................................................................................................................................... 5-10
KeyPad....................................................................................................................................5-11
Make File Example.................................................................................................................5-11
Chapter 6 Software Lock...............................................................................................6-1
Appendix A System Commands.....................................................................................A-1
busybox (V1.6.0): Linux normal command utility collection................................................. A-1
System ......................................................................................................................... A-1
File Manager................................................................................................................ A-1
Editor........................................................................................................................... A-2
Network....................................................................................................................... A-2
Process......................................................................................................................... A-2
Other............................................................................................................................ A-2
Moxa Special Utilities ................................................................................................. A-3