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Moxa DA-685-LX [12/76] Da 685 linux software configuration
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DA-685 Linux Software Configuration
2-7
inetd Internet Daemons
ftpd FTP Server/Client Daemon
sshd Secure Shell Server Daemon
httpd Apache WWW Server Daemon
Type the command ps –ef to list all processes currently running.
To run a private daemon, you can edit the file rc.local as follows:
Because the root file system is mounted in Read-only mode, you need to re-mount it with write permission.
Type cd /etc/ to change directories.
Type vi rc.local to edit the configuration file with vi editor.
MOXA:~# cd /etc/
MOXA:~# mount -o remount,rw /
Moxa:~# ps -ef
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 00:02 ? 00:00:00 init [2]
root 2 0 0 00:02 ? 00:00:00 [kthreadd]
root 3 2 0 00:02 ? 00:00:00 [migration/0]
root 4 2 0 00:02 ? 00:00:00 [ksoftirqd/0]
root 5 2 0 00:02 ? 00:00:00 [watchdog/0]
root 6 2 0 00:02 ? 00:00:00 [migration/1]
root 7 2 0 00:02 ? 00:00:00 [ksoftirqd/1]
root 8 2 0 00:02 ? 00:00:00 [watchdog/1]
root 9 2 0 00:02 ? 00:00:00 [events/0]
root 10 2 0 00:02 ? 00:00:00 [events/1]
root 11 2 0 00:02 ? 00:00:00 [cpuset]
root 12 2 0 00:02 ? 00:00:00 [khelper]
root 13 2 0 00:02 ? 00:00:00 [netns]
root 14 2 0 00:02 ? 00:00:00 [async/mgr]
root 15 2 0 00:02 ? 00:00:00 [pm]
root 17 2 0 00:02 ? 00:00:00 [sync_supers]
root 18 2 0 00:02 ? 00:00:00 [bdi-default]
root 19 2 0 00:02 ? 00:00:00 [kintegrityd/0]
root 20 2 0 00:02 ? 00:00:00 [kintegrityd/1]
root 21 2 0 00:02 ? 00:00:00 [kblockd/0]
root 22 2 0 00:02 ? 00:00:00 [kblockd/1]
root 23 2 0 00:02 ? 00:00:00 [kacpid]
root 24 2 0 00:02 ? 00:00:00 [kacpi_notify]
root 25 2 0 00:02 ? 00:00:00 [kacpi_hotplug]
root 26 2 0 00:02 ? 00:00:00 [ata/0]
root 27 2 0 00:02 ? 00:00:00 [ata/1]
...
www-data 2707 2664 0 00:03 ? 00:00:00 /usr/sbin/apache2 -k start
www-data 2708 2664 0 00:03 ? 00:00:00 /usr/sbin/apache2 -k start
www-data 2709 2664 0 00:03 ? 00:00:00 /usr/sbin/apache2 -k start
www-data 2710 2664 0 00:03 ? 00:00:00 /usr/sbin/apache2 -k start
root 2720 2700 0 00:15 tty1 00:00:00 -bash
root 2724 2 0 00:15 ? 00:00:00 [flush-8:0]
root 2745 2536 1 00:21 ? 00:00:00 sshd: root@pts/0
root 2747 2745 0 00:21 pts/0 00:00:00 -bash
Содержание
- Da 685 series linux user s manual 1
- Second edition august 2012 1
- Www moxa com product 1
- Copyright notice 2
- Da 685 series linux user s manual 2
- Disclaimer 2
- Technical support contact information 2
- Trademarks 2
- Www moxa com support 2
- Introduction 4
- Attention 5
- Device driver 5
- Hardware 5
- Linux kernel 5
- Micro kernel 5
- Overview 5
- Protocol stack 5
- Software components 5
- Software specifications 5
- Software configuration 6
- Da 685 linux software configuration 7
- Starting from a vga console 7
- The read only file system 7
- Connecting from a telnet console 8
- Da 685 linux software configuration 8
- Adjusting the system time 9
- Connecting from an ssh console 9
- Da 685 linux software configuration 9
- Linux users 9
- Windows users 9
- Da 685 linux software configuration 10
- Ntp client 10
- Setting the time manually 10
- Attention 11
- Enabling and disabling daemons 11
- Example shell script for updating the system time periodically 11
- How to run the shell script automatically when the kernel boots up 11
- Updating the time automatically 11
- Da 685 linux software configuration 12
- Da 685 linux software configuration 13
- Cron daemon for executing scheduled commands 14
- Da 685 linux software configuration 14
- Moxa rm f etc rc2 d s60tcps2 14
- Setting the run level 14
- Da 685 linux software configuration 15
- Inserting a usb storage device into the computer 15
- Apt installing and removing packages 16
- Attention 16
- Checking the linux version 16
- Da 685 linux software configuration 16
- Inserting a compact flash card 16
- Attention 17
- Da 685 linux software configuration 17
- Attention 18
- Da 685 linux software configuration 18
- Managing communications 19
- Attention 20
- Changing the interfaces configuration file 20
- Changing the network settings 20
- Detecting network interfaces 20
- Static ip address 20
- Adjusting ip addresses with ifconfig 21
- Da 685 linux managing communications 21
- Dynamic ip address using dhcp 21
- Telnet ftp server 21
- Da 685 linux managing communications 22
- Disabling the telnet tftp server 22
- Dns client 22
- Enabling the telnet tftp server 22
- Etc hostname 22
- Da 685 linux managing communications 23
- Etc nsswitch conf 23
- Etc resolv conf 23
- Apache web server 24
- Default homepage 24
- Disabling the cgi function 24
- Attention 25
- Da 685 linux managing communications 25
- Saving web pages to a usb storage device 25
- Writin 25
- Attention 26
- Da 685 linux managing communications 26
- Da 685 linux managing communications 27
- Filter table includes three chains 27
- Iptables 27
- Mangle table includes two chains 27
- Nat table includes three chains 27
- Sub tables 27
- Da 685 linux managing communications 28
- Iptables hierarchy 28
- Iptables modules 28
- Attention 29
- Da 685 linux managing communications 29
- Observe and erase chain rules 29
- To maintain the database 29
- Append or delete rules 30
- Da 685 linux managing communications 30
- Define policy for chain rules 30
- Attention 31
- Nat example 31
- Nat network address translation 31
- Da 685 linux managing communications 32
- Enabling nat at bootup 32
- Ppp point to point protocol 32
- Attention 33
- Connecting to a ppp server over a simple dial up connection 33
- Da 685 linux managing communications 33
- Log in with username and password 33
- Checking the connection 34
- Connecting to a ppp server over a hard wired link 34
- Da 685 linux managing communications 34
- Da 685 linux managing communications 35
- Setting up a machine for incoming ppp connections 35
- Attention 36
- Da 685 linux managing communications 36
- And add the following 37
- Da 685 linux managing communications 37
- Edit the file 37
- Da 685 linux managing communications 38
- Attention 39
- Da 685 linux managing communications 39
- Nfs network file system client 39
- Snmp simple network management protocol 39
- Attention 40
- Ethernet bridging for private networks on different subnets 40
- Openvpn 40
- Da 685 linux managing communications 41
- Attention 42
- Da 685 linux managing communications 42
- Da 685 linux managing communications 43
- Ethernet bridging for private networks on the same subnet 43
- Da 685 linux managing communications 44
- Routed ip 44
- Da 685 linux managing communications 45
- Programmer guide 46
- Da 685 linux programmer guide 47
- How the wdt works 47
- Introduction 47
- Rtc real time clock 47
- The wdt api 47
- Wdt watch dog timer 47
- Attention 48
- Da 685 linux programmer guide 48
- Examples 48
- Da 685 linux programmer guide 49
- Dev pled 49
- Moxa lsmod grep moxa_pled moxa_pled 2464 0 49
- Moxa modprobe moxa_pled moxa lsmod grep moxa_pled moxa_pled 2464 0 49
- Programmable leds 49
- System recovery 50
- Da 685 linux system recovery 51
- Hardware 51
- Recovery environment 51
- Recovery procedure 51
- Step 1 prepare your usb drive 51
- Da 685 linux system recovery 52
- Da 685 linux system recovery 53
- Da 685 linux system recovery 54
- Step 2 change the bios settings 54
- Da 685 linux system recovery 55
- Step 3 restore the system from usb drive 55
- Da 685 linux system recovery 56
- Da 685 linux system recovery 57
- Da 685 linux system recovery 58
- Step 4 change the bios settings to boot from the original disk 58
- Da 685 linux system recovery 59
- Saving the system to the usb drive 59
- Step 5 reboot the computer 59
- Da 685 linux system recovery 60
- Da 685 linux system recovery 61
- A software components 62
- Software components 62
- Da 685 linux software components 63
- Da 685 linux software components 64
- Da 685 linux software components 65
- Da 685 linux software components 66
- Da 685 linux software components 67
- Da 685 linux software components 68
- Da 685 linux software components 69
- Da 685 linux software components 70
- Da 685 linux software components 71
- Da 685 linux software components 72
- Da 685 linux software components 73
- Da 685 linux software components 74
- Da 685 linux software components 75
- Da 685 linux software components 76
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