I have installed an USB Live System but I can not change the then name of the USB stick or System Name.There is these annyoing long name Opensuse_13.2_linux… when I boot or connect it to my host installed system. How can I do change this?
You can not change these sort of things on a live system. That is you can change it, but it will only last as long as the system runs. A live system is supposed to be on a DVD and changes can not be written to such a device to survive to next boot. (Even if the DVD contents is written on a writable USB mass storage device). For these things you realy have to install the system. That is
the basic difference beween a live and an installed system.
I am not sure if you can change anything on a GPT formatted USB stick but, if the stick has a single partition containing the whole of the Live distro, gparted may allow you to change the name of the partition which appears when you plug it in. This will not change any names which are part of the distro.
I’m not quite sure what you are asking here.
I notice that if I put the live iso on a USB, then later re-use the USB for something else, the label of the live iso is still recognized as the device label. Is that the issue?
If that’s the problem, it is because the iso has an iso9660 file system label, which is in a place where it happens to usually not be overwritten by other formatting.
If there’s nothing important on the usb at present, you can try:
# dd if=/dev/zero of=/dev/sdU seek=1 count=2047
where “/dev/sdU” is replaced by the name of your USB device (the whole device, not just the partition, so the “U” should be a single letter). That should zero the 2047 logical sectors immediately following the MBR. Typically, if you create a new partition, it begins at sector 2048 so won’t be affected.