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DA-682A-C7-W7E
Руководство пользователя Linux Страница: 56

Moxa DA-682A-C7-W7E Руководство пользователя Linux онлайн [56/112] 170432

DA-682A Linux Softrware Managing Communications

3-39

NOTE

Use the GNU system manual command to get more information on the GPS daemon interf

ace and client:

moxa@Moxa:~# man gpsd

moxa@Moxa:~# man cgps

Or visit the GPS project website for more information:

http://gpsd.berlios.de/

Содержание

Da 682a linux software manual 1
First edition september 2013 1
Www moxa com product 1
Copyright notice 2
Da 682a linux software manual 2
Disclaimer 2
Technical support contact information 2
Trademarks 2
Www moxa com support 2
Table of contents 3
Introduction 5
Attention 6
Device driver 6
Hardware 6
Linux kernel 6
Micro kernel 6
Overview 6
Protocol stack 6
Software specifications 6
Software configuration 7
Account management 8
Connecting from an ssh console 9
Starting from a vga console 9
Windows users 9
Are you sure you want to continue connection yes no yes_ 10
Da 682a linux softrware software configuration 10
Linux users 10
Moxa moxa ssh 192 68 27 10
Moxa moxa sudo hwclock w 10
Moxa moxa sudo ntpdate time stdtime gov tw 10
Ntp client 10
Setting the system clock and the rtc 10
User remotedebian moxa moxa ssh 192 68 27 the authenticity of host 192 68 27 192 68 27 can t be established rsa key fingerprint is 8b ee ff 84 41 25 fc cd 2a f2 92 8f cb 1f 6b 2f 10
Attention 11
Bin sh ntpdate time stdtime gov tw you can use the time server s ip address or domain name directly if you use domain name you must enable the domain client on the system by updating etc resolv conf file hwclock w sleep 100 11
Da 682a linux softrware software configuration 11
Date sudo hwclock wed dec 16 03 51 07 cst 2009 wed 16 dec 2009 03 51 07 am cst 0 16771 seconds 11
Etc init 11
Etc init d fixtime s 11
Fixtime s 11
How to run a shell script automatically across re boots 11
Http www ntp or 11
Moxa moxa chmod 755 fixtime sh 11
Moxa moxa date sudo hwclock wed dec 16 16 36 12 cst 2009 wed 16 dec 2009 03 38 13 am cst 0 16751 seconds 11
Moxa moxa vi etc inittab 11
Ntp 2345 respawn etc init d fixtime sh 11
Sample shell script for scheduled clock synchronizations 11
Sudo hwclock w 11
Sudo ntpdate time stdtime gov tw 16 dec 03 49 48 ntpdate2510 step time server 220 30 58 2 offset 155905087 84256 sec 11
Updates every 100 seconds the min time is 100 seconds change 100 to a larger number to update the rtc less often 11
Using a shell script for automatic updates 11
Enabling and disabling daemons 12
Setting a time manually 12
Setting the rtc 12
System time 12
Attention 13
Bin sh begin init info provides tcps2 required start required stop default start 2 3 4 5 default stop 0 1 6 short description tcps2 end init info lib lsb init functions export path path path usr sbin sbin case 1 in 13
Da 682a linux softrware software configuration 13
Default 97 03 13
Etc init d 13
Etc init d skeleto 13
Managing services with insserv 13
Rc scriptname 13
Usr sbi 13
Warning 13
8 root hwclock w 14
Cron for executing scheduled commands 14
Da 682a linux softrware software configuration 14
Etc cronta 14
Fixtime s 14
Init d tcps2 14
Minute hour dom date month dow user command 14
Moxa moxa insserv r tcps2 14
Moxa moxa ls l etc rc d tcps ls cannot access etc rc d tcps no such file or directory 14
Moxa moxa sudo insserv v d tcps2 14
Start start stop daemon start quiet oknodo pidfile var run tcps2 pid exec usr sbin tcps2 stop start stop daemon stop quiet oknodo pidfile var run tcps2 pid esac exit 0 14
10 root home fixtime sh 15
Attention 15
Bin sh ntpdate time stdtime gov tw hwclock w exit 0 15
Da 682a linux softrware software configuration 15
Dev sd 15
Dev sdb1 media cf1 ext4 noatime errors remount ro 0 0 15
Disconnecting a usb storage device 15
Etc fsta 15
Fixtime s 15
Media usb 15
Mount dev sdd1 on media usb0 type vfat rw nodev noexec noatime nodiratime sync fmask 0022 dmask 0022 codepage cp437 io charset utf8 shortname mixed errors remount ro 15
Mounting a cf card 15
Mounting a usb storage device 15
Moxa moxa chmod 755 fixtime sh 15
Moxa moxa syn 15
Root moxa moxa umount f media usb0 15
Attention 16
Checking versions for your kernel and os 16
Cleaning out the package cache 16
Using apt to install and remove software 16
Determining available drive space 17
Managing communications 18
Da 682a linux softrware managing communications 19
Attention 20
Configuring a persistent network interface naming order 20
Configuring network interfaces 20
Da 682a linux softrware managing communications 21
Dynamic ip address using dhcp 21
Etc networ 21
Etc network interfaces 21
Etc network sudo vi interfaces 21
Etc networking interface 21
Ethernet interface configuration 21
Static ip address 21
Sudo service networking restart 21
The loopback network interface auto lo iface lo inet loopback the primary network interface auto eth0 iface eth0 inet dhcp address 192 68 27 netmask 255 55 55 broadcast 192 68 55 21
The loopback network interface auto lo iface lo inet loopback the primary network interface auto eth0 iface eth0 inet static address 192 68 27 netmask 255 55 55 broadcast 192 68 55 auto eth1 iface eth1 inet static address 192 68 27 netmask 255 55 55 broadcast 192 68 55 21
Adjusting ip addresses with ifconfig 22
Da 682a linux softrware managing communications 22
Etc network interface 22
Point to point over ethernet pppoe configuration 22
Pppoeconf 22
Sudo ifconfig eth0 192 68 22
The easy way pppoeconf 22
Da 682a linux softrware managing communications 23
Etc resolve con 23
The difficult way manually 24
Attention 25
Cat etc resolv conf resolv conf this file is the resolver configuration file see resolver 5 nameserver 168 5 nameserver 139 75 0 0 etc 25
Configuring a point to point connection 25
Da 682a linux softrware managing communications 25
Etc ppp options eth0 5 lines 67 characters 25
Moxa moxa ifconfig ppp 25
Moxa moxa kill 9 pppd 25
Moxa moxa pppd eth0 25
Nameserver 168 5 nameserver 139 75 0 0 25
Nameserver ip_addr_of_first_dns_server nameserver ip_addr_of_second_dns_server 25
Connecting to a ppp server over a hardwired link 26
Da 682a linux softrware managing communications 26
Moxa moxa pppd connect chat v atdt5551212 connect login username password password dev ttym0 115200 debug crtscts modem defaultroute 192 7 26
Moxa moxa pppd connect chat v atdt5551212 connect user username password password dev ttym0 115200 crtscts modem 26
Moxa moxa pppd connect chat v noipdefault dev ttym0 19200 crtscts 26
Checking the connection 27
Attention 28
Method 1 pppd dial in with pppd commands 28
Method 2 pppd dial in with pppd script 28
Setting up a machine for incoming ppp connections 28
Configuring the os hostname 29
Da 682a linux softrware managing communications 29
Disabling a telnet ftp tftp server 29
Dns utilities 29
Enabling a telnet ftp or tftp server 29
Etc hostnam 29
Etc hostname 29
Etc inetd con 29
Etc nsswitch con 29
Etc resolv con 29
Sudo etc init d hostname sh start 29
Sudo service openbsd inetd restart 29
Telnet ftp tftp server 29
Telnet stream tcp nowait telnetd usr sbin tcpd usr sbin in telnetd ftp stream tcp nowait root usr sbin tcpd usr sbin proftpd 29
Tftp dgram udp wait nobody usr sbin tcpd usr sbin in tftpd srv tftp 29
Configuring the dns resolver 30
Configuring the name service switcher 30
Da 682a linux softrware managing communications 30
Etc cat resolv conf resolv conf this file is the resolver configuration file see resolver 5 nameserver 192 68 6 nameserver 140 15 1 nameserver 140 15 36 0 nameserver 168 5 30
Etc nsswitch conf example configuration of gnu name service switch functionality if you have the glibc doc reference and info packages installed try info libc name service switch for information about this file passwd compat group compat shadow compat hosts files dns networks files protocols db files 30
Etc resolv con 30
Hostname your preferred hostname 30
Moxa moxa ntpdate time stdtime gov tw 30
Resolv conf 30
Services db files ethers db files rpc db files 30
Apache web server 31
Attention 31
Configuring the common gateway interface cgi 31
Default homepage 31
Disabling cgi 31
Setting up cgi 31
Allowoverride none options execcgi multiviews symlinksifownermatch order allow deny allow from all 32
Attention 32
Da 682a linux softrware managing communications 32
Etc apache2 sites available defaul 32
Etc sudo vi etc apache2 sites avaliable default 32
Media usb 32
Moxa moxa sudo mount 32
Saving web pages to a usb storage device 32
Sudo service apache2 restart 32
Var ww 32
Attention 33
Da 682a linux softrware managing communications 33
Etc sudo vi etc apache2 sites avaliable default ssl 33
Moxa moxa cd etc init d apache2 restart 33
Netfilter iptables 33
Attention 34
Building the firewall writing filter rules 34
Da 682a linux softrware managing communications 34
Ip tables and ip chains 34
Overview of basic netfilter architecture 34
Setting up nat 34
The nat table 34
Da 682a linux softrware managing communications 35
The filter table 35
The five built in rule chains 35
The mangle table 35
Attention 36
Da 682a linux softrware managing communications 36
Moxa moxa iptables n tcp iptables n udp 36
Understanding basic traffic flows 36
User defined chains 36
Attention 37
Da 682a linux softrware managing communications 37
Netfilter hierarchy for incoming packets 37
Command arguments 38
Connection tracking 38
Da 682a linux softrware managing communications 38
Moxa moxa iptables t tables p policy chain target policy accept drop etc 38
Moxa moxa sbin service iptables save 38
Policies setting default firewall behavior 38
Setting firewall policies 38
Warning 38
Da 682a linux softrware managing communications 39
Moxa moxa iptables p forward drop 39
Moxa moxa iptables p input drop 39
Moxa moxa iptables p output accept 39
Moxa moxa iptables t nat p output accept 39
Moxa moxa iptables t nat p postrouting accept 39
Moxa moxa iptables t nat p prerouting accept 39
Netfilter policy examples 39
Policy arguments 39
Viewing and manipulating rulesets 39
Da 682a linux softrware managing communications 40
Delete a user generated chain 40
Etc sysconfig iptables sav 40
Flush a current rule chain or delete a user specified chain 40
List current rule chains for a target table or for all tables 40
Moxa iptables l z n chain rulenum 40
Moxa iptables t table or multiple tables l chain n 40
Moxa iptables t table or tables fxz 40
Moxa iptables x chain 40
Moxa moxa iptables 40
Moxa moxa sbin service iptables save 40
Warning 40
Zero out the packet and byte counters for a rule chain 40
Da 682a linux softrware managing communications 41
Examples 41
Iptables a input i lo j accept 41
Iptables a input m conntrack ctstate invalid j drop 41
Iptables a input m conntrack ctstate related established j accept 41
Iptables a input p tcp dport 22 j accept 41
Iptables a input p tcp dport 443 j accept 41
Iptables a input p tcp dport 80 j accept 41
Iptables a input p udp dport 53 j accept 41
Moxa iptables t table ai input output forward io interface p tcp udp icmp all s ip network sport ports d ip network dport ports j accept drop 41
Moxa moxa iptables a input i lo j accept 41
Warning 41
Writing rulechains 41
Attention 42
Da 682a linux softrware managing communications 42
Etc modprobe conf 42
Iptables a input i eth0 p all m mac mac source 01 02 03 04 05 06 j drop 42
Iptables a input i eth0 p all m mac mac source 02 03 04 05 06 07 j accept 42
Iptables a input i eth0 p tcp dport 21 j accept 42
Iptables a input i eth0 p tcp dport 25 j log 42
Iptables a input i eth0 p tcp s 192 68 24 j accept 42
Iptables a input i eth0 p tcp s 192 68 4 dport 137 139 j accept 42
Iptables a input i eth0 p tcp s 192 68 5 j drop 42
Iptables a input i eth0 p tcp s 192 68 j accept 42
Iptables a input p 41 j accept 42
Iptables a input p udp m conntrack ctstate new j udp iptables a input p tcp syn m conntrack ctstate new j tcp 42
Iptables a tcp p tcp dport 80 j accept iptables a tcp p tcp dport 443 j accept iptables a tcp p tcp dport 22 j accept iptables a udp p udp dport 53 j accept 42
Moxa moxa modprobe ipt_mac 42
Rule examples applying user defined chains 42
To make a module load across reboots you may add it to the etc modprobe conf file using this command 42
Which is overwrite 42
Attention 43
Da 682a linux softrware managing communications 43
Enabling nat masquerading 43
Etc sysconfig iptables moxa moxa sbin service iptables save 43
Ip tables nat policies 43
Iptables t nat p prerouting accept iptables t nat p postrouting accept iptables t nat p output accept 43
Moxa moxa modprobe ipt_masquerade 43
Nat network address translation 43
Saving the firewall 43
Source nat snat and destination nat dnat 43
Attention 44
Da 682a linux softrware managing communications 44
Etc fsta 44
Etc modprobe conf 44
Iptables t nat a postrouting o eth0 s 555 66 77 88 24 j masquerade 44
Moxa moxa mkdir p home nfs public 44
Moxa moxa mount t nfs o nolock 192 68 home public home nfs public 44
Moxa moxa showmount e host 44
Proc sys net ipv4 ip_forward 44
Setting up a networked file system nfs 44
Setting up a vpn 44
Attention 45
Configuring openvpn a 45
Da 682a linux softrware managing communications 45
Dev tap0 port 1194 secret etc openvpn secrouter key 45
Etc openvpn secrouter ke 45
Etc openvpn tap0 br con 45
Ethernet bridges linking indepdent subnets over the internet 45
Moxa moxa 45
Moxa moxa openvpn genkey secret secrouter key 45
Moxa moxa scp etc openvpn secrouter key xxx xxx x xxx etc openvpn 45
Point to the peer remote 192 68 74 45
Configuring openvpn b 46
Da 682a linux softrware managing communications 48
Etc openvpn tap0 br con 48
Ethernet bridging for private networks on the same subnet 48
Point to the peer remote 192 68 74 dev tap0 secret etc openvpn secrouter key cipher des ede3 cbc auth md5 tun mtu 1500 tun mtu extra 64 ping 40 up etc openvpn tap0 br sh comp lzo 48
Routed ip tunnels 48
File overview 50
Hot swap daemon customization 50
Setting up hot swap for block storage 50
Da 682a linux softrware managing communications 51
Disk n p 51
Etc init d mxhtspd s 51
Etc mxhtspd mxhtspd con 51
Handling an event with mxhtspd moxa hot swap daemon 51
Media disk n p 51
Media disk1p 51
Mount point usage limit media disk2p1 90 media disk1p1 90 51
Moxa moxa mount rootfs on type rootfs rw none on sys type sysfs rw nosuid nodev noexec relatime none on proc type proc rw nosuid nodev noexec relatime udev on dev type tmpfs rw relatime size 10240k mode 755 dev hda1 on type ext2 ro relatime errors remount ro tmpfs on lib init rw type tmpfs rw nosuid relatime mode 755 usbfs on proc bus usb type usbfs rw nosuid nodev noexec relatime tmpfs on dev shm type tmpfs rw nosuid nodev relatime 51
Start echo starting mxhtspd daemon sleep 1 mxhtspd v 51
Da 682a linux softrware managing communications 52
Devpts on dev pts type devpts rw nosuid noexec relatime gid 5 mode 620 ptmxmode 000 none on tmp type tmpfs rw relatime dev hda2 on home type ext2 rw relatime errors continue dev sda1 on media disk2p1 type ext3 rw relatime errors continue data ordered dev sda2 on media disk2p2 type ext3 rw relatime errors continue data ordered dev sdb1 on media disk1p1 type ext3 rw relatime errors continue data ordered dev sdb2 on media disk1p2 type ext3 rw relatime errors continue data ordered 52
Etc initta 52
Etc mxhtspd action btn presse 52
Etc mxhtspd action disk unplugge 52
Etc mxhtspd action part over usag 52
Etc mxhtspd mxhtspd con 52
Media disknp 52
Moxa moxa sudo runlevel n 2 52
Setting up hot swap daemon logging 52
Warning 52
A sample mxhtspd setup 53
Add parameter if necessary mxhtspd l 3 53
Attention 53
Bin sh file basename 0 num 1 add your commands here home log_application echo file button num is pressed 53
Da 682a linux softrware managing communications 53
Etc init d mxhtspd s 53
Moxa etc rc2 d mv n10rsyslog s10rsyslog 53
The default runlevel id 2 initdefault 53
Uncomment below lines for mxhtspd with local 0 daemon var log mxhtspd log 53
Bin sh file basename 0 num 1 add your commands here kill 9 pidof x log_application internal operation mxhtspd remove disk num 54
Da 682a linux softrware managing communications 54
Dev ttyacm 54
Moxa moxa apt get install gps 54
Moxa moxa cat dev ttyacm0 gpgsv 1 1 04 24 28 123 37 21 09 054 31 19 52 213 23 47 270 74 gpgga 061824 2458 35139 n 12133 55835 e 1 05 19 103 m 14 gprmc 061824 a 2458 35139 n 12133 55835 e 290710 a 68 gpgsa a 3 24 21 06 31 16 25 19 18 29 gpvtg t m 0 n 0 k 4e 54
Moxa moxa killall cat 54
Retrieving gps data 54
Setting up gps 54
Awk f gpgga print strftime y m d 2 substr 3 0 2 substr 3 3 60 4 substr 5 0 3 substr 5 4 60 6 10 fflush dev ttyacm0 55
Da 682a linux softrware managing communications 55
Etc default gps 55
Moxa apt get install gpsd clients 55
Moxa moxa cgps 55
Moxa moxa dpkg reconfigure gpsd 55
Moxa moxa sudo etc init d gpsd start 55
Programming guide 57
Desktop management interface dmi 58
Programmable leds 58
Rtc real time clock 58
Da 682a linux softrware programming guide 59
Dev pled 59
Dev sata_pled 59
Dev sata_pled1 59
How the wdt works 59
Introduction 59
Moxa moxa 59
Moxa moxal update rc 59
Turning on or off the leds 59
Turning on or off the leds on a sata board 59
Watch dog timer wdt 59
Da 682a linux softrware programming guide 60
Etc watchdog con 60
Init d watchdog 60
The watchdog device ioctl commands 60
Watchdog device dev watchdog interval 60 realtime yes priority 10 60
Da 682a linux softrware programming guide 61
Example hotswa 61
Examples 61
Hot swapping block drives 61
Int main void int fd open dev watchdog o_wronly int ret 0 if fd 1 perror watchdog exit exit_failure while 1 ret write fd 0 1 if ret 1 ret 1 break sleep 10 close fd return ret 61
Da 682a linux softrware programming guide 62
Documentation format 62
Function documentation 62
Attention 63
Examples 63
Function documentation 63
Moxa safeguard 63
Programming optional modules 65
Configuring serial port mode 66
Da 682a linux softrware programming optional modules 66
Moxa moxa ls al dev ttym crw rw t 1 root dialout 30 0 aug 14 13 37 dev ttym0 crw rw t 1 root dialout 30 1 aug 14 13 37 dev ttym1 crw rw t 1 root dialout 30 10 aug 14 13 37 dev ttym10 crw rw t 1 root dialout 30 11 aug 14 13 37 dev ttym11 crw rw t 1 root dialout 30 12 aug 14 13 37 dev ttym12 crw rw t 1 root dialout 30 13 aug 14 13 37 dev ttym13 crw rw t 1 root dialout 30 14 aug 14 13 37 dev ttym14 crw rw t 1 root dialout 30 15 aug 14 13 37 dev ttym15 crw rw t 1 root dialout 30 2 aug 14 13 37 dev ttym2 crw rw t 1 root dialout 30 3 aug 14 13 37 dev ttym3 crw rw t 1 root dialout 30 4 aug 14 13 37 dev ttym4 crw rw t 1 root dialout 30 5 aug 14 13 37 dev ttym5 crw rw t 1 root dialout 30 6 aug 14 13 37 dev ttym6 crw rw t 1 root dialout 30 7 aug 14 13 37 dev ttym7 crw rw t 1 root dialout 30 8 aug 14 13 37 dev ttym8 crw rw t 1 root dialout 30 9 aug 14 13 37 dev ttym9 66
Moxa moxa setinterface dev ttym0 now setting is rs485 2wires interface 66
Programming serial modules 66
Attention 67
Loading the defaults 67
Programming the lan module 67
Da 682a linux softrware programming optional modules 68
Programming the fiber module 68
Programming the swtich module 68
Da 682a linux softrware programming optional modules 69
Programming the pci module 69
System recovery 70
Da 682a linux softrware system recovery 71
Overview setting up the recovery environment 71
Recovery da 682a lx_recovery clonezill 71
Step 1 prepare the usb drive 71
Tuxboot windows 23 ex 71
Da 682a linux softrware system recovery 72
Two types of recovery base install and fully configured 72
Attention 73
Da 682a linux softrware system recovery 73
Media cd0 recovery os_imag 73
Media usb0 home partima 73
Moxa moxa cp media cd0 recovery os_image media usb0 home partimag 73
Step 2 opt recovering to a stock os 73
Step 3 setting the bios to boot via usb 73
Da 682a linux softrware system recovery 74
F home partimag 74
Step 4 opt create a custom system image 74
Da 682a linux softrware system recovery 75
Home partima 75
Warning 75
Da 682a linux softrware system recovery 76
Step 5 performing a system recovery 76
Da 682a linux softrware system recovery 77
Da 682a linux softrware system recovery 78
Step 6 reset the bios to its original state 78
Da 682a linux softrware system recovery 79
A linux software components 80
Linux software components 80
Da 682a linux softrware linux software components 81
Da 682a linux softrware linux software components 82
Da 682a linux softrware linux software components 83
Da 682a linux softrware linux software components 84
Da 682a linux softrware linux software components 85
Da 682a linux softrware linux software components 86
Da 682a linux softrware linux software components 87
Da 682a linux softrware linux software components 88
Da 682a linux softrware linux software components 89
B the moxa custom mib file 90
The moxa custom mib file 90
C sample scripts firewall rules 109
Sample scripts firewall rules 109
A sample initialization script 110
Da 682a linux softrware sample scripts firewall rules 110
Da 682a linux softrware sample scripts firewall rules 111
A sample firewall 112

Moxa DA-682A-C7-W7E Руководство пользователя Linux онлайн [56/112] 170432

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