FAQ General
From Wiki-DB
- Q: Do the DHCOM modules have a serial numbers included? If yes, how is it accessible?
- A: The serial number of a DHCOM module is stored inside the bootloader environment. It can be retrieved by u-boot commands like printenv or by Linux commands like “fw_printenv”.
- Q: We would like to use ubifs for rootfilesystem.
- A: Ubifs is the standard NAND flash file system (FFS) for DHCOM.
- Q: We have the need for additional UBI volumens (partitions).
- A: It shouldn't be necessary to make changes in u-boot, Linux kernel or devicetree.
- Q: We want to backup the root filesystem from the NAND-Flash of the target.
- A: You can use the DHCOM Update Mechanism of root filesystem of the bootloader for the rootfs in the backup mode. Further information at: DHCOM Update: Linux Root Filesystem
- Q: We want to capture the screen content.
- A: The VLC media player provides the necessary features: Capture Sceen Content with VLC media player: http://www.howtogeek.com A x-window-system is required. Have a look at our Yocto tutorial: Building Chromium, VLC and X11VNC using Yocto
- Q: View and interact (mouse, keyboard) with X displays.
- A: Install x11vnc and execute on the target. You can use ssvnc to connect via SSH. See ' Building Chromium, VLC and X11VNC using Yocto' and 'SSVNC (SSL/SSH VNC viewer): http://www.karlrunge.com/x11vnc/ssvnc.html'
