Moxa Technologies UC-7420/7410 user manual Adjusting the System Time, Setting the Time Manually

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UC-7420/7410 User’s Manual

Managing Embedded Linux

SxxRUNFILE stands for

S: start the run file while linux boots up.

xx:a number between 00-99. The smaller number has a higher priority. RUNFILE: the file name.

192.168.3.127 – PuTTY

root@Moxa:/ect/rc.d/rc3.d# ls

S19nfs-common S25nfs-user-server S99showreadyled

S20snmpd S55ssh

S24pcmcia S99rmnologin

root@Moxa:/ect/rc.d/rc3.d# ln –s /root/tcps2-release S60tcps2

root@Moxa:/ect/rc.d/rc3.d# ls

 

S19nfs-common

S25nfs-user-server S99rmnologin

S20snmpd

S55ssh

S99showreadyled

S24pcmcia

S60tcps2

 

root@Moxa:/etc/rc.d/rc3.d#

KxxRUNFILE stands for

K: start the run file while linux shuts down or halts.

xx:a number between 00-99. The smaller number has a higher priority. RUNFILE: is the file name.

For removing the daemon, you can remove the run file from /etc/rc.d/rc3.d by using the following command:

#rm –f /etc/rc.d/rc3.d/S60tcps2

Adjusting the System Time

Setting the Time Manually

UC-7420/7410 has two time settings. One is the system time, and the other is the RTC (Real Time Clock) time kept by the UC-7420/7410 hardware. Use the #date command to query the current system time or set a new system time. Use #hwclock to query the current RTC time or set a new RTC time.

Use the following command to query the system time:

#date

Use the following command to query the RTC time:

#hwclock

Use the following command to set the system time:

#date MMDDhhmmYYYY

MM= Month

DD = Date

hhmm = hour and minute YYYY = Year

Use the following command to set the RTC time:

#hwclock –w

Write current system time to RTC

The following figure illustrates how to update thesystem time and set the RTC time.

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Contents Third Edition, June UC-7420/7410 User’s ManualTrademarks Copyright NoticeDisclaimer Table of Contents Chapter UC Finder Appendix B Windows Tool Chain Introduction ‰ Hardware Introduction IntroductionProduct Features Package ChecklistOverview UC-7410-LXProduct Hardware Specifications Hardware Introduction Appearance and DimensionsAppearance Dimensions LED Indicators Hardware Block DiagramLED Name Color Meaning Reset Button Reset-type ButtonsReset to default Button Real Time ClockWall or Cabinet Placement OptionsHardware Connection Description Wiring RequirementsDIN-Rail Mounting Connecting to the Network Connecting the PowerPin Signal Grounding UC-7420/7410Connecting to the Console Port Connecting to a Serial DeviceCompactFlash Pin RS-232 RS-422 RS-485Software Architecture Software IntroductionSoftware Package Journaling Flash File System JFFS2Software Version Comparison Table Directory Change Protocol stacks and utilitiesGetting Started ‰ Configuring the Ethernet InterfaceConnecting UC-7420/7410 to a PC Powering on UC-7420/7410Serial Console Telnet Console Default IP Address Netmask192.168.3.127 255.255.255.0 192.168.4.127 255.255.255.0Windows Users SSH ConsoleModifying Network Settings with the Serial Console Configuring the Ethernet InterfaceLinux Users Static IP addressesDynamic IP addresses Modifying Network Settings over the Network Configuring the Wlan via the Pcmcia InterfaceDefault IP address is 192.168.5.127, netmask IEEE802.11b#vi /etc/wlan/wlancfg-any IEEE802.11g Setting Setting ExplanationKey1Str, Key2Str, Key3Str, Key4Str-Sets strings Key1 to Key4 TurboRate-Enables or disables TurboRate Test Program-Developing Hello.c Installing the Tool Chain LinuxChecking the Flash Memory Space StepYou should receive the following response Compiling Hello.cDeveloping Your First Application Testing EnvironmentUploading Hello to UC-7420/7410 and Running the Program #mount -t iso9660 /dev/cdrom /mnt/cdrom Compiling tcps2.cPuTTY Uploading tcps2-release and Running the Program#jobs // use this command to check if the program is running UC-7420/7410 User’s Manual Testing Procedure SummaryUC-7420/7410 User’s Manual Managing Embedded Linux ‰ System Version Information ‰ System Image BackupSystem Version Information System Image BackupUpgrading the Firmware Upgrading the firmware will erase all data on the Flash ROM#upramdisk #cd /mnt/ramdisk Loading Factory Defaults Firmware versions earlier than V1.5 not including Backing Up the User File SystemFirmware version V1.5 and later versions Enabling and Disabling Daemons UC-7420/7410 User’s Manual Managing Embedded Linux Setting the Run-Level Setting the Time Manually Adjusting the System TimeNTP Client Example shell script to update the system time periodicallyUpdating the Time Automatically Change mode of fixtime.sh Cron-daemon to Execute Scheduled CommandsEnable the cron daemon manually Enable cron when the system boots upUSB Mass Storage Connecting PeripheralsCF Mass Storage ‰ Iptables ‰ NAT Managing CommunicationsTelnet / FTP Web Service-ApacheEnabling the Telnet/ftp server Disabling the Telnet/ftp serverUsr/www/cgi-bin Saving a Web Page to the CF Card Use the following commands to restart the Apache web server Iptables Local Host Packets Define policy for chain rules Observe and erase chain rulesUsage ExamplesIptmac Append or delete rulesNAT Example Enabling NAT at BootupDial-up Service-PPP Example 2 Connecting to a PPP server over a hard-wired link UP Loopback Running How to check the connectionSetting up a Machine for Incoming PPP Connections Setting up UC-7420/7410 as an NFS ServerNFS Network File System #vi /etc/exportsSetting up UC-7420/7410 as an NFS Client Steps 2 MailOpen VPN Internet IFS=‘ Create link symbols to enable this script at boot time Destination Gateway Genmsk Flags Metric Use Iface Now ping Host B from Host a by typing Setup 3 Routed IP Destination Gateway Genmsk Flags Metric Use Iface Programmer’s Guide Flash Memory Map Address Size ContentsLinux Tool Chain Introduction Obtaining help Debugging with GDBCross Compiling Applications and Libraries Tools Available in the Host EnvironmentRTC Real Time Clock Device APIBuzzer WDT Watch Dog Timer Input Int fd File handle from swtdopen return value Output User application example Example Special NoteSwtddisableswtdfd Int mainint argc, char *argv Pidt sonpid Example to get the baud rate Example to set the baud rateBaud rate inaccuracy KeyPadSpecial Note ExamplesMake File Example UC Finder Windows UC Finder Installing the SoftwareUC-7420/7410 User’s Manual UC Finder Broadcast Search Linux ucfinder Busybox V0.60.4 Linux normal command utility collection System CommandsFile manager EditorOther ProcessMoxa special utilities Windows Tool Chain Introduction Introduction Select the Root Directory Installation ProcedureUC-7420/7410 User’s Manual Windows Tool Chain Introduction UC-7420/7410 User’s Manual Windows Tool Chain Introduction Using the Bash Shell UC-7420/7410 User’s Manual Windows Tool Chain Introduction GDB debug tool-InsightUC-7420/7410 User’s Manual Windows Tool Chain Introduction Service Information Following services are provided Moxa Internet ServicesMoxa Product † UC-7410-LX † UC-7420-LX Serial Number Problem Report FormProduct Return Procedure