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V2401/2402 Series Linux User’s Manual Software Configuration
2-12
Type the command ps –ef to list all processes currently running.
MOXA:~# ps -ef
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 18:00 ? 00:00:02 Init [2]
root 2 0 0 18:00 ? 00:00:00 [kthreadd]
root 3 2 0 18:00 ? 00:00:00 [migration/0]
root 4 2 0 18:00 ? 00:00:00 [ksoftirqd/0]
root 5 2 0 18:00 ? 00:00:00 [watchdog/0]
root 6 2 0 18:00 ? 00:00:00 [migration/1]
root 7 2 0 18:00 ? 00:00:00 [ksoftirqd/1]
root 8 2 0 18:00 ? 00:00:00 [watchdog/1]
root 9 2 0 18:00 ? 00:00:00 [events/0]
root 10 2 0 18:00 ? 00:00:00 [events/1]
root 11 2 0 18:00 ? 00:00:00 [khelper]
root 44 2 0 18:00 ? 00:00:00 [kblockd/0]
root 45 2 0 18:00 ? 00:00:00 [kblockd/1]
root 47 2 0 18:00 ? 00:00:00 [kacpid]
root 48 2 0 18:00 ? 00:00:00 [kacpi_notify]
root 118 2 0 18:00 ? 00:00:00 [kseriod]
root 159 2 0 18:00 ? 00:00:00 [pdflush]
root 160 2 0 18:00 ? 00:00:00 [pdflush]
root 161 2 0 18:00 ? 00:00:00 [kswapd0]
root 162 2 0 18:00 ? 00:00:00 [aio/0]
root 163 2 0 18:00 ? 00:00:00 [aio/1]
root 632 2 0 18:00 ? 00:00:00 [ksuspend_usbd]
root 633 2 0 18:00 ? 00:00:00 [khubd]
Содержание
- First edition march 2010 1
- V2401 2402 series linux user s manual 1
- Www moxa com product 1
- Copyright notice 2
- Disclaimer 2
- Technical support contact information 2
- Trademarks 2
- V2401 2402 series linux user s manual 2
- Www moxa com support 2
- Table of contents 3
- Introduction 5
- Device driver 6
- Hardware 6
- Linux kernel 6
- Micro kernel 6
- Overview 6
- Protocol stack 6
- Software specifications 6
- Software components 7
- Software configuration 8
- Starting from a vga console 9
- Desktop display configuration 10
- Connecting from a telnet console 14
- Connecting from an ssh console 15
- Windows users 15
- Adjusting the system time 16
- Linux users 16
- Setting the time manually 16
- Example shell script for updating the system time periodically 17
- Ntp client 17
- Updating the time automatically 17
- Enabling and disabling daemons 18
- How to run the shell script automatically when the kernel boots up 18
- Setting the run level 22
- Cron daemon for executing scheduled commands 23
- Inserting a usb storage device into the computer 24
- Apt installing and removing packages 25
- Checking the linux version 25
- Device suspend 27
- Managing communications 28
- Changing the interfaces configuration file 30
- Changing the network settings 30
- Static ip address 30
- Adjusting ip addresses with ifconfig 31
- Dynamic ip address using dhcp 31
- Serial port operation mode 31
- Disabling the telnet ftp server 32
- Enabling the telnet ftp server 32
- Telnet ftp server 32
- Dns client 33
- Etc hostname 33
- Etc nsswitch conf 34
- Etc resolv conf 34
- Apache web server 35
- Default homepage 35
- Disabling the cgi function 35
- Saving web pages to a usb storage device 36
- Filter table includes three chains 38
- Iptables 38
- Nat table includes three chains 38
- Process 38
- Mangle table includes two chains 39
- Sub tables 39
- 13 3 13 40
- Iptables hierarchy 40
- The following figure shows the iptables hierarchy 40
- V2401 2402 series linux user s manual managing communications 40
- Iptables modules 41
- Define policy for chain rules 42
- Observe and erase chain rules 42
- Append or delete rules 43
- Nat example 44
- Nat network address translation 44
- Enabling nat at bootup 45
- Connecting to a ppp server over a simple dial up connection 46
- Ppp point to point protocol 46
- Checking the connection 47
- Connecting to a ppp server over a hard wired link 47
- Setting up a machine for incoming ppp connections 49
- Nfs network file system client 54
- Snmp simple network management protocol 55
- Ethernet bridging for private networks on different subnets 56
- Openvpn 56
- Ethernet bridging for private networks on the same subnet 61
- Routed ip 62
- Programmer guide 64
- Device api 65
- Rtc real time clock 65
- Example to get the baudrate 66
- Example to set the baudrate 66
- Baudrate inaccuracy 67
- Digital i o 67
- Special note 67
- Dio program source code file example 69
- Examples 69
- Special note 69
- System recovery 74
- Recovery environment 75
- Recovery procedure 75
- In this example m is the usb disk drive number 76
- A software component list 84
- Software component list 84
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