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EM Command
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
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
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.