Moxa UC-8410A-T-LX [38/86] Securing the uc 8410a lx

Moxa UC-8410A-LX [38/86] Securing the uc 8410a lx

4. Securing the UC-8410A-LX

The UC-8410A-LX series offers better security by introducing Moxa’s innovative secure boot feature, and the

integration of a Trusted Platform Module (available in the customized version) gives the user more solid

protection for the platform.

The following topics are covered in this chapter:



Secure Boot



Sudo Mechanism

Содержание

Edition 1 may 2016 1
Uc 8410a series linux software user s manual 1
Www moxa com product 1
Copyright notice 2
Disclaimer 2
Technical support contact information 2
Trademarks 2
Uc 8410a series linux software user s manual 2
Www moxa com support 2
Advanced configuration of peripherals 3
Badjusting the time 3
Bbooting up the uc 8410a lx for the first time 3
Bcellular dial up mode 3
Bcellular gps port 3
Bciphers 3
Bconfiguring the wireless lan 3
Bconnecting through the serial console 3
Bconnecting to a cellular network 3
Bconnecting to the uc 8410a lx 3
Bcreating a linux system image using a windows platform 3
Bcreating a system image in a linux environment 3
Bcryptographic hardware accelerator 3
Bcryptographic hash functions 3
Bdetermining available drive space 3
Bdiagnosing device and subsystem failures 3
Bdiagnostic led 3
Bdisabling the default user account 3
Bdisabling the usb port 3
Bfile system resizing 3
Bnetwork settings 3
Bntp client 3
Bpackage management 3
Bpreparing a bootable sd card 3
Bquerying the firmware version 3
Breboot shutdown of the uc 8410a lx 3
Brestoring the firmware to factory default settings 3
Brsyslog s configuration file 3
Bsd slot 3
Bsecure boot 3
Bserial ports 3
Bsoftware architecture 3
Bsoftware packages 3
Bssh console 3
Bsudo mechanism 3
Bswitching to the root account 3
Bsyntax of the selector 3
Bsystem administration 3
Bupdating system time and rtc 3
Busb automount 3
Busb port 3
Buser account management 3
Busing cellular modules 3
Busing wpa_cli 3
Bwdt watch dog timer 3
Dial up connections 3
Disconnecting from a dial up network 3
Enabling and disabling daemons 3
Getting started 3
Programmer s guide 3
Securing the uc 8410a lx 3
Setting the time zone 3
Table of contents 3
Using cell_mgmt 3
Using the general debian package 3
B etc hosts 4
B etc nsswitch conf 4
B etc resolv conf 4
Bappend or delete rules 4
Bapt cache 4
Bapt get 4
Bauto clean apt get cache 4
Bauto remove installed packages 4
Bautomating rsync backups 4
Bcheck a package s change log 4
Bcheck broken dependencies 4
Bcheck cache statistics 4
Bcheck dependencies for specific packages 4
Bcheck package information 4
Bclean up disk space 4
Bcompiling hello c with cross compilation 4
Bcompiling hello c with native compilation 4
Bcompletely remove packages 4
Bcross compilation 4
Bdefining a policy for chain rules 4
Bdownload a package without installing 4
Bdownload and unpack a package 4
Bdownload only source code of package 4
Bdownload unpack and compile a package 4
Bedit servername in apache configuration file 4
Benabling nat at bootup 4
Bexecute scheduled commands with cron 4
Bfind package name and software description 4
Binstall multiple packages 4
Binstall or upgrade specific packages 4
Binstall packages without upgrading 4
Binstall specific package version 4
Biptables 4
Blinux tool chain introduction 4
Blist all available packages 4
Bmakefile example 4
Bmodbus 4
Bnat example 4
Bnative compilation 4
Bnfs network file system 4
Bobserving and erasing chain rules 4
Bobtaining help 4
Bopenssl 4
Bopenvpn 4
Bpackage management 4
Bremove packages without configuration 4
Brocket fast system for log processing rsyslog 4
Brsync 4
Bsearch and build dependencies 4
Bsetting up the uc 8410a lx as an nfs client 4
Bstatic key vpn 4
Btest program developing hello c 4
Bthe apache web server 4
Bturning off the leds 4
Bturning on the leds 4
Bupdate system packages 4
Bupgrade specific packages 4
Busing rsync for external backups 4
Public key cryptography 4
Bchoosing an slc sd card 5
Bsd flash types 5
Bsetting the sd card to read only mode 5
Btips for running gnu linux on an sd card 5
Btweaking gnu linux to write to ram instead of the sd card 5
Busing a larger capacity sd card 5
Busing the dd command 5
Busing the win32 disk imager 5
Enabling the msata storage device 5
Introduction 6
Getting started 7
Attention 8
Connecting to the uc 8410a lx 8
Software architecture 8
Software packages 8
Uc 8410a series linux software getting started 8
Bblinking the leds 9
Blinux users 9
Connecting through the serial console 9
Linux users 9
Uc 8410a series linux software getting started 9
User pc1 minicom s 9
User pc1 yum y install minicom 9
User pc2 apt get install minicom 9
Warning 9
Bwindows users 10
Main page 10
Putty ex 10
Uc 8410a series linux software getting started 10
User pc1 minicom 10
Warning 10
Windows users 10
Are you sure you want to continue connection yes no 11
Automatic dial up 11
Blinux users 11
Linux users 11
Passwor 11
Ssh console 11
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 11
Uc 8410a series linux software getting started 11
User pc1 ssh moxa 192 68 27 11
Usernam 11
Attention 12
Bwindows users 12
Cellular module 12
Passwor 12
Uc 8410a series linux software getting started 12
Usernam 12
Windows users 12
Attention 13
Bcreating and deleting user accounts 13
Creating and deleting user accounts 13
Disabling the default user account 13
Home test1 13
Moxa moxa sudo passwd test1 enter new unix password retype new unix password passwd password updated successfully 13
Moxa moxa sudo useradd m g sudo s bin bash test1 13
Moxa moxa sudo userdel test1 13
Root moxa passwd l moxa 13
Root moxa passwd u moxa 13
Sudo s 13
Sudo su c 13
Switching to the root account 13
Uc 8410a series linux software getting started 13
User account management 13
Userde 13
Bconfiguring ethernet interfaces 14
Bmodifying network settings via the serial console 14
Bsetting a static ip address 14
Configuring ethernet interfaces 14
Dynami 14
Interfaces 5 file used by ifup 8 and ifdown 8 auto eth0 eth1 lo iface lo inet loopback embedded ethernet lan1 iface eth0 inet dhcp iface eth0 inet static address 192 68 27 network 192 68 netmask 255 55 55 broadcast 192 68 55 embedded ethernet lan2 iface eth1 inet static address 192 68 27 network 192 68 netmask 255 55 55 broadcast 192 68 55 14
Modifying network settings via the serial console 14
Moxa cd etc network 14
Moxa moxa cd etc network moxa moxa etc network 14
Moxa sudo vi interfaces 14
Network settings 14
Setting a static ip address 14
Sim card 14
The cell_mgmt at command 14
Uc 8410a series linux software getting started 14
Adjusting the time 15
Broadcast 192 68 55 broadcast 192 68 55 15
Cell_mgm 15
Cell_mgmt star 15
Connecting to a cellular network 15
Embedded ethernet lan1 iface eth0 inet dhcp 15
Etc qmi network con 15
Hwclock 15
Iface eth0 inet dhcp 15
Iface eth0 inet static address 192 68 27 network 192 68 netmask 255 55 55 15
Moxa moxa kversion a uc 8410a lx version 1 build 14050416 15
Moxa moxa kversion uc 8410a lx version 1 15
Moxa moxa sudo cell_mgmt start 15
Moxa moxa sudo cell_mgmt start apn internet username moxa password moxa pin 123 15
Passwor 15
Querying the firmware version 15
Setting dynamic ip addresses 15
System administration 15
Uc 8410a series linux software getting started 15
Usernam 15
Busing the tz variable 16
Cellular management 16
Etc rc d rc local 16
Moxa moxa sudo date 071123192014 mon jul 11 23 19 00 utc 2014 16
Moxa moxa sudo hwclock w moxa moxa sudo hwclock fri 11 jul 2014 11 19 38 pm utc 1 06862 seconds 16
Moxa moxa tz est5edt moxa moxa export tz 16
Setting the time zone 16
Tz est5edt 2 tz est0edt 3 tz est0 16
Uc 8410a series linux software getting started 16
Using the tz variable 16
Busing the etc localtime file 17
Determining available drive space 17
Etc localtim 17
Moxa moxa df h filesystem size used avail use mounted on rootfs 803m 238m 524m 32 dev root 803m 238m 524m 32 tmpfs 25m 188k 25m 1 run tmpfs 5 m 0 5 m 0 run lock tmpfs 10m 0 10m 0 dev tmpfs 50m 0 50m 0 run shm 17
Uc 8410a series linux software getting started 17
Using the etc localtime file 17
Usr share zoneinfo 17
Begin init info provides scriptname required start remote_fs syslog required stop remote_fs syslog default start 2 3 4 5 default stop 0 1 6 short description start daemon at boot time description enable service provided by daemon end init info your script 18
Enabling and disabling daemons 18
Etc init 18
Etc init d 18
Insser 18
Insserv 18
Moxa moxa sudo etc init d apache2 start 18
Moxa moxa sudo etc init d apache2 stop 18
Moxa moxa sudo insserv d apache2 18
Moxa moxa sudo insserv r apache2 18
Uc 8410a series linux software getting started 18
Moxa moxa cat etc apt sources list deb http debian moxa com debian jessie main deb http ftp us debian org debian jessie main contrib non free deb src http ftp us debian org debian jessie main contrib non free deb http ftp us debian org debian jessie updates main contrib non free deb src http ftp us debian org debian jessie updates main contrib non free deb http security debian org jessie updates main contrib non free deb src http security debian org jessie updates main contrib non free deb http ftp debian org debian jessie backports main contrib non free deb src http ftp debian org debian jessie backports main contrib non free 19
Package management 19
Uc 8410a series linux software getting started 19
Moxa moxa sudo reboot i f d 20
Moxa moxa sudo shutdown h now 20
Reboot shutdown of the uc 8410a lx 20
Uc 8410a series linux software getting started 20
Advanced configuration of peripherals 21
Bdisplaying all serial terminal settings 22
Displaying all serial terminal settings 22
Moxa moxa sudo setinterface dev ttys0 1 now setting is rs485 2w mode moxa moxa sudo setinterface dev ttys0 uart port 0 is in rs485 2w mode 22
Rs485 2 22
Serial ports 22
Set dev ttys 22
Setinterfac 22
Start q stop s susp z rprnt r werase w lnext v flush o min 1 time 0 parenb parodd cs8 hupcl cstopb cread clocal crtscts ignbrk brkint ignpar parmrk inpck istrip inlcr igncr icrnl ixon ixoff iuclc ixany imaxbel iutf8 opost olcuc ocrnl onlcr onocr onlret ofill ofdel nl0 cr0 tab0 bs0 vt0 ff0 isig icanon iexten echo echoe echok echonl noflsh xcase tostop echoprt echoctl echoke 22
Uc 8410a series linux software advanced configuration of peripherals 22
68951 hub 2 0 1 unable to enumerate usb device on port 1 23
Bconfiguring the serial terminal settings 23
Change to 0 on 1 off 0 1 enter for abort 1 saving environment to eeprom 23
Configuring the serial terminal settings 23
Current extend usb port is on change to 0 on 1 off 0 1 enter for abort 23
Disabling the usb port 23
Moxa moxa sudo stty 115200 f dev ttys0 23
Start q stop s susp z rprnt r werase w lnext v flush o min 1 time 0 parenb parodd cs8 hupcl cstopb cread clocal crtscts ignbrk brkint ignpar parmrk inpck istrip inlcr igncr icrnl ixon ixoff iuclc ixany imaxbel iutf8 opost olcuc ocrnl onlcr onocr onlret ofill ofdel nl0 cr0 tab0 bs0 vt0 ff0 isig icanon iexten echo echoe echok echonl noflsh xcase tostop echoprt echoctl echoke 23
Uc 8410a series linux software advanced configuration of peripherals 23
Usb port 23
Attention 24
Media usb 24
Sd slot 24
Uc 8410a series linux software advanced configuration of peripherals 24
Umount media usb 24
Usb automount 24
Attention 25
Benabling write protection 25
Enabling write protection 25
Preparing a bootable sd card 25
Creating a linux system image using a windows platform 26
Uc 8410a series linux software advanced configuration of peripherals 26
Uc 8410a series linux software advanced configuration of peripherals 27
0 records in 28
0 records out 1024458752 bytes 1 gb copied 119 72 s 8 mb s 28
Booting up the uc 8410a lx for the first time 28
Creating a system image in a linux environment 28
File system resizing 28
Root moxa home work sudo dd if 140 42420 img of dev sdd bs 512k 28
Uc 8410a series linux software advanced configuration of peripherals 28
Blinking 29
Bpush button and led indicators 29
Green led 29
On no action 29
Push button and led indicators 29
Red led 29
Uc 8410a series linux software advanced configuration of peripherals 29
Diagnosing device and subsystem failures 30
Hardware defects 30
Uc 8410a series linux software advanced configuration of peripherals 30
Attention 31
Bcellular signal strength 31
Cellular dial up mode 31
Cellular gps port 31
Cellular signal strength 31
Restoring the firmware to factory default settings 31
Uc 8410a series linux software advanced configuration of peripherals 31
Using cellular modules 31
Dial up connections 32
Disconnecting from a dial up network 32
Generic 32
Bconfiguring wpa2 settings 33
Bexample setting the baud rate 33
Bpower on off module 33
Configuring the wireless lan 33
Configuring wpa2 settings 33
Iwlist wlan0 scanning 33
Moxa moxa sudo cell_mgmt power_off 33
Moxa moxa sudo cell_mgmt power_on 33
Power on off module 33
Root moxa iwlist wlan0 scanning wlan0 scan completed cell 01 address 50 67 f0 61 2d 7a protocol 802 1b g essid mis wap 1 mode managed frequency 2 12 ghz channel 1 quality 81 100 signal level 58 dbm noise level 92 dbm encryption key on bit rates 54 mb s 33
Uc 8410a series linux software advanced configuration of peripherals 33
Wpa_supplican 33
Bconnecting to an ap using wep authentication 34
Bconnecting to an ap using wpa wpa2 psk authentication 34
Connecting to an ap using wep authentication 34
Connecting to an ap using wpa wpa2 psk authentication 34
Ssid 5566 proto wpa wpa2 rsn key_mgmt wpa psk pairwise tkip ccmp group tkip ccmp psk 01234567890 34
Ssid mis wap 1 bssid 50 67 f0 61 2d 7a key_mgmt none wep_key0 cfee46eed3fa94faeb92348922 34
Uc 8410a series linux software advanced configuration of peripherals 34
Wep network 34
Wpa wpa2 psk network 34
Bscanning aps and viewing scan results 35
Root moxa home wpa_cli i wlan0 scan 35
Scanning aps and viewing scan results 35
Uc 8410a series linux software advanced configuration of peripherals 35
Using wpa_cli 35
Wpa_cli 35
Wpa_supplican 35
Wpa_supplicant 35
Adding wep settings in a configuration file 36
Badding wep settings in a configuration file 36
Adding wpa wpa2 settings in a configuration file 37
Badding wpa wpa2 settings in a configuration file 37
Root moxa home wpa_cli i wlan0 add_network 1 root moxa home wpa_cli i wlan0 set_network 1 ssid moxa ap ok root moxa home wpa_cli i wlan0 set_network 1 proto wpa wpa2 rsn ok root moxa home wpa_cli i wlan0 set_network 1 key_mgmt wpa psk ok root moxa home wpa_cli i wlan0 set_network 1 pairwise tkip ccmp ok root moxa home wpa_cli i wlan0 set_network 1 group tkip ccmp ok root moxa home wpa_cli i wlan0 set_network 1 psk 01234567890 set_network 1 psk 01234567890 command timed out root moxa home wpa_cli i wlan0 enable_network 1 ok root moxa home wpa_cli iwlan0 select_network 1 ok root moxa home wpa_cli i wlan0 save_config ok 37
Uc 8410a series linux software advanced configuration of peripherals 37
Securing the uc 8410a lx 38
Ciphered 39
Execute 39
Plain text 39
Run time kernel 39
Secure boot 39
Sudo mechanism 40
Using the general debian package 41
68 27 putty 42
Etc cronta 42
Execute scheduled commands with cron 42
Minute hour date month dow user command 8 root path to your program 42
Moxa moxa chmod 755 fixtime sh 42
Moxa moxa sudo ntpdate 192 68 0 3 6 may 03 55 10 ntpdate4511 step time server 192 68 0 3 offset 78338115 78119 sec moxa moxa sudo hwclock w moxa moxa sudo hwclock tue 06 may 2014 03 56 14 am utc 0 46314 seconds 42
Ntp client 42
Uc 8410a series linux software general debian package usage 42
Updating system time and rtc 42
Rocket fast system for log processing rsyslog 43
Rsyslog s configuration file 43
Uc 8410a series linux software general debian package usage 43
Module size used by cryptodev 30504 1 44
Moxa moxa dpkg l grep openssl ii openssl 1 e 2 deb7u7 uc8410a armhf secure socket layer ssl binary and related cryptographic tools on moxa uc8410a 44
Openssl 44
Syntax of the selector 44
Uc 8410a series linux software general debian package usage 44
Ciphers 45
Cryptographic hash functions 45
Moxa moxa sudo openssl speed evp aes 128 cbc sudo password for moxa doing aes 128 cbc for 3s on 16 size blocks 261302 aes 128 cbc s in 0 4s doing aes 128 cbc for 3s on 64 size blocks 222033 aes 128 cbc s in 0 3s doing aes 128 cbc for 3s on 256 size blocks 139516 aes 128 cbc s in 0 6s doing aes 128 cbc for 3s on 1024 size blocks 48524 aes 128 cbc s in 0 9s doing aes 128 cbc for 3s on 8192 size blocks 8126 aes 128 cbc s in 0 0s openssl 1 e 11 feb 2013 built on mon apr 21 06 14 54 utc 2014 options bn 64 32 rc4 ptr char des idx cisc 16 long aes partial idea int blowfish ptr compiler gcc fpic dopenssl_pic dopenssl_threads d_reentrant ddso_dlfcn dhave_dlfcn_h dhave_cryptodev duse_cryptdev_digests march armv7 a wa noexecstack dtermio o3 wall dopenssl_bn_asm_mont dopenssl_bn_asm_gf2m dsha1_asm dsha256_asm dsha512_asm daes_asm dghash_asm the numbers are in 1000s of bytes per second processed type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes aes 128 cbc 29863 9k 109308 5k 223225 0k 552095 9 45
Public key cryptography 45
The apache web server 45
Uc 8410a series linux software general debian package usage 45
Edit servername in apache configuration file 46
Moxa moxa sudo adduser sftp sudo password for moxa adding user sftp adding new group sftp 1003 adding new user sftp 1001 with group sftp creating home directory home sftp copying files from etc skel enter new unix password retype new unix password passwd password updated successfully changing the user information for sftp enter the new value or press enter for the default full name room number work phone home phone other is the information correct y n 46
Moxa moxa sudo etc init d apache2 restart 46
Moxa moxa sudo mkdir home sftp upload moxa moxa sudo chown root root home sftp moxa moxa sudo chown sftp sftp home sftp upload 46
Moxa moxa sudo usermod s bin false sftp 46
Moxa moxa sudo vi etc apache2 apache2 conf 46
Subsystem sftp internal sftp subsystem sftp usr lib openssh sftp server 46
Uc 8410a series linux software general debian package usage 46
3 00 putty 47
Etc host 47
Etc hosts 47
Etc nsswitch con 47
Etc nsswitch conf 47
Etc resolv con 47
Etc resolv conf 47
Iptables 47
Match user sftp chrootdirectory home u forcecommand internal sftp 47
Moxa moxa sudo cat etc resolv conf resolv conf this file is the resolver configuration file see resolver 5 nameserver 192 68 6 nameserver 168 5 nameserver 140 15 1 nameserver 140 15 36 0 47
Moxa moxa sudo etc init d sshd restart 47
Nameserve 47
Nameserver 168 5 47
Ntpdate time nist go 47
Uc 8410a series linux software general debian package usage 47
Uc 8410a series linux software general debian package usage 48
Uc 8410a series linux software general debian package usage 49
Iptables iptables restore and iptables save 50
Modprobe 50
Modprobe iptable_filter 50
Uc 8410a series linux software general debian package usage 50
Defining a policy for chain rules 51
Examples 51
Iptables f iptables x iptables z 51
Iptables l n 51
Iptables p input drop iptables p output accept iptables p forward accept modprobe iptable_nat iptables t nat p prerouting accept iptables t nat p output accept iptables t nat p postrouting accept 51
Iptables t tables fxz 51
Iptables t tables l n 51
Iptables t tables p input output forward prerouting output postrouting accept drop 51
Observing and erasing chain rules 51
Uc 8410a series linux software general debian package usage 51
Append or delete rules 52
Examples 52
Iptables a input i eth0 p tcp dport 25 j log 52
Iptables a input i eth0 p tcp s 192 68 24 j accept 52
Iptables a input i eth0 p tcp s 192 68 4 dport 137 139 j accept 52
Iptables a input i eth0 p tcp s 192 68 5 j drop 52
Iptables a input i eth0 p tcp s 192 68 j accept 52
Iptables a input i lo j accept 52
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 52
Modprobe ipt_mac 52
Modprobe modprobe xt_tcpudp iptables a input i eth0 p tcp dport 21 j drop 52
Modprobe xt_mac iptables a input i eth0 p all m mac mac source 01 02 03 04 05 06 j drop 52
Uc 8410a series linux software general debian package usage 52
Automating rsync backups 53
Moxa moxa sudo crontab e 53
Moxa moxa sudo rsync avp directory1 directory2 53
Moxa moxa sudo rsync avp e ssh directory1 user 192 68 directory2 53
Uc 8410a series linux software general debian package usage 53
Using rsync for external backups 53
Attention 54
Nat example 54
Enabling nat at bootup 55
Nfs network file system 55
Mkdir p home nfs public 56
Mount t nfs 192 68 00 home public home nfs public 56
Mount t nfs nfs_server ip directory mount point 56
Setting up the uc 8410a lx as an nfs client 56
Uc 8410a series linux software general debian package usage 56
Dev tun0 ifconfig 10 10 secret etc openvpn static key 58
Etc init d openvpn star 58
Insserv d openvp 58
Modprobe tun 58
Moxa moxa etc openvpn sudo openvpn config etc openvpn tun0 conf verb 6 verbose output 58
Moxa moxa etc openvpn sudo openvpn genkey secret static key 58
Openvpn 58
Remote your server org dev tun0 ifconfig 10 10 secret etc openvpn static key 58
Static key vpn 58
Uc 8410a series linux software general debian package usage 58
Apt cach 59
Apt cache 59
Apt ge 59
Apt get 59
Attention 59
Find package name and software description 59
List all available packages 59
Moxa moxa sudo apt cache pkgnames 59
Moxa moxa sudo apt cache pkgnames vim 59
Moxa moxa sudo apt cache search vim 59
Package management 59
Uc 8410a series linux software general debian package usage 59
Bupgrade all software packages 60
Check cache statistics 60
Check dependencies for specific packages 60
Check package information 60
Instal 60
Install multiple packages 60
Install or upgrade specific packages 60
Install packages without upgrading 60
Moxa moxa sudo apt cache show vim 60
Moxa moxa sudo apt cache showpkg vim 60
Moxa moxa sudo apt cache stats 60
Moxa moxa sudo apt get install packagename no upgrade 60
Moxa moxa sudo apt get install vim 60
Moxa moxa sudo apt get install vim goaccess 60
Moxa moxa sudo apt get update 60
Moxa moxa sudo apt get upgrade 60
No upgrad 60
Showpk 60
Uc 8410a series linux software general debian package usage 60
Update system packages 60
Upgrad 60
Upgrade all software packages 60
Clean up disk space 61
Compil 61
Completely remove packages 61
Download and unpack a package 61
Download only sourc 61
Download only source code of package 61
Download unpack and compile a package 61
Install specific package version 61
Moxa moxa sudo apt get clean 61
Moxa moxa sudo apt get compile source wget 61
Moxa moxa sudo apt get download only source wget 61
Moxa moxa sudo apt get install packagename only upgrade 61
Moxa moxa sudo apt get install wget 1 3 3 deb7u1 61
Moxa moxa sudo apt get remove purge wget 61
Moxa moxa sudo apt get remove wget 61
Moxa moxa sudo apt get source wget 61
Only upgrad 61
Remove packages without configuration 61
Uc 8410a series linux software general debian package usage 61
Upgrade specific packages 61
Auto clean apt get cache 62
Auto remove installed packages 62
Autoclea 62
Autoremov 62
Build de 62
Changelo 62
Check a package s change log 62
Check broken dependencies 62
Downloa 62
Download a package without installing 62
Moxa moxa sudo apt get autoclean 62
Moxa moxa sudo apt get autoremove wget 62
Moxa moxa sudo apt get build dep wget 62
Moxa moxa sudo apt get changelog wget 62
Moxa moxa sudo apt get check 62
Moxa moxa sudo apt get download wget 62
Search and build dependencies 62
Uc 8410a series linux software general debian package usage 62
Programmer s guide 63
Linux tool chain introduction 64
Moxa moxa sudo apt get install gcc build essential flex bison automake 64
Moxa moxa sudo apt get update 64
Native compilation 64
Uc 8410a series linux software programmer s guide 64
Cross compilation 65
Uc 8410a series linux software programmer s guide 65
Apt get install build essential sudo gcc o hello release hello c sudo strip s hello release 67
Arm linux gnueabihf gcc o example wall g o2 example c arm linux gnueabihf strip s example arm linux gnueabihf gcc ggdb o example debug example c 67
Bcross compiling applications and libraries 67
Compiling hello c with native compilation 67
Cross compiling applications and libraries 67
Int main printf hello world n return 0 67
Moxa moxa man usr local arm linux gnueabihf 4 20130415 share doc gcc linaro arm linux gnueab ihf man man1 arm linux gnueabihf gcc 67
Obtaining help 67
Test program developing hello c 67
Uc 8410a series linux software programmer s guide 67
Buploading and running the hello program 68
Cd example hello make 68
Cd tmp mkdir example cp r mnt cdrom example tmp example 68
Chmod x hello release hello release 68
Compiling hello c with cross compilation 68
Ftp 192 68 27 68
Moxa moxa hello release hello world 68
Put hello release uploading hello release to home moxa hello release hello release 68
Root localhost hello make arm linux gnueabihf gcc o hello release hello c arm linux gnueabihf strip s hello release 68
Uc 8410a series linux software programmer s guide 68
Uploading and running the hello program 68
Brtc real time clock 69
Cc arm linux gnueabihf gcc cpp arm linux gnueabihf g sources hello c objs sources c o all hello 69
Cc gcc cpp g 69
Clean rm f objs hello core gdb 69
Hello objs cc o ldflags libs 69
Include linux rtc 69
Makefile example 69
Modbus 69
Moxa moxa hello release hello world 69
Rtc real time clock 69
Uc 8410a series linux software programmer s guide 69
Uc 8410a series linux software programmer s guide 70
Uc 8410a series linux software programmer s guide 71
Wdt watch dog timer 71
Attention 72
Blinking the leds 72
Cryptographic hardware accelerator 72
Diagnostic led 72
Turning off the leds 72
Turning on the leds 72
Uc 8410a series linux software programmer s guide 72
Example setting the baud rate 73
Using cell_mgmt 73
Main page 74
Uc 8410a series linux software programmer s guide 74
Automatic dial up 75
Cell_mgmt reset 75
Cell_mgmt restart 75
Cell_mgmt start 75
Cell_mgmt start apn apn username user password pass pin pin_code 75
Cell_mgmt stop 75
Cellular module 75
Uc 8410a series linux software programmer s guide 75
Cell_mgmt pin_protection pin pin2 enable disable current_pin 77
Cell_mgmt set_pin pin 77
Cell_mgmt sim_status 77
Disable pin protection 77
Enable pin protection 77
Sim card 77
The cell_mgmt at command 77
Uc 8410a series linux software programmer s guide 77
Cell_mgmt version 78
Cellular management 78
Uc 8410a series linux software programmer s guide 78
A extending the lifetime of the sd card 79
Extending the lifetime of the sd card 79
Bcomparison table for flash types 80
Bmulti level cell mlc 80
Boverview 80
Bsingle level cell slc 80
Btriple level cell tlc 80
Choosing an slc sd card 80
Comparison table for flash types 80
Creating a file system on the msata drive 80
Creating a new partition 80
Deleting an existing partition 80
Mounting the msata drive 80
Multi level cell mlc 80
Overview 80
Sd flash types 80
Single level cell slc 80
Tips for running gnu linux on an sd card 80
Triple level cell tlc 80
Uc 8410a series linux software extending the lifetime of the sd card 80
Using a larger capacity sd card 80
Filesystem size used avail use mounted on 81
Setting the sd card to read only mode 81
Tmpfs tmp tmpfs defaults noatime nosuid size 100m 0 0 tmpfs var tmp tmpfs defaults noatime nosuid size 30m 0 0 tmpfs var log tmpfs defaults noatime nosuid mode 0755 size 100m 0 0 tmpfs var run tmpfs defaults noatime nosuid mode 0755 size 2m 0 0 81
Tweaking gnu linux to write to ram instead of the sd card 81
Uc 8410a series linux software extending the lifetime of the sd card 81
B copying images on an sd card 82
Copying images on an sd card 82
Uc 8410a series linux software copying images on an sd card 83
Using the win32 disk imager 83
Dd if dev sdd of home backup img bs 512k 84
Enabling the msata storage device 84
Fdisk dev sd 84
Fdisk dev sda command m for help m help dos mbr a toggle a bootable flag b edit nested bsd disklabel c toggle the dos compatibility flag generic d delete a partition 84
Uc 8410a series linux software copying images on an sd card 84
Using the dd command 84
Creating a new partition 85
Deleting an existing partition 85
Creating a file system on the msata drive 86
Mount dev sda1 86
Mount dev sda1 mnt 86
Mounting the msata drive 86
Uc 8410a series linux software copying images on an sd card 86
Umount mnt 86
Unmounting the msata drive 86

Moxa UC-8410A-T-LX [38/86] Securing the uc 8410a lx

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