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Clark Van Oyen edited this page May 2, 2015 · 7 revisions
Command Description
em –help gives all commands.
fdisk - l finds a disk

sfdisk | lists all disks (including boot disk) eg /dev/sda and /dev/sdb

em installem /dev/sdb 2.2.2 | Boots from install disk. Sdb needs to be os disk, will be 30gb. 2.2.2 needs to be most recent version of software.

em stop | stops em processors, do this before updating software.

em resetgps | command for setting up GPS after first time plugged in.

em format /dev/sda 111 | Formatting a new disk for use. 111 is number to give to disk

Other Control Box Commands

systemct1 restart em-rec.service | reboots system without turning off.

Ctrl alt f1 | closes the user interface

Ctrl alt f2 | opens user interface

Ctrl alt backspace | RESETS EM sensors from inside user interface

Other Useful Linux Commands

vi /var/em/em.conf | opens setup file for boat name etc.. Use i to edit.

:wq | saves changes to above file

cd /mnt | Change directory

mkdir usb | make a directory (in this case called usb)

mount /dev/sdc1 usb | make the new directory link to usb

cd usb | change directory to usb.

em flashard 5V | to update the Arduino, where 5V is the arduino type.

ping 1.1.1.1 | checks cam connection to network (change IP address as necessary).

ls /var/em/data/video | Shows which video is been recorded. Need to get into correct directory, starts in root.

cd /var | changes directory to, var = raw data, been recorded to this. Mnt = removable drive, may take a little longer for data to be recorded here.

ls –l | Brings up list of files.

Type command + head –n 10 | brings up first 10 lines of list.

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