Strange and strange, but for our old Atom Z550, we weren’t able to get Unetbootin to put down a reliable image, but when we followed the Ubuntu directions for using DD, it did work. Go figure, utilities that don’t actual make bootables. It would instead say the bootable image is corrupt:

  1. Download the ISO you want (can be Ubuntu, Kubuntu, Lubuntu) for the systems taht are small
  2. STart terminal and type

Now type these commands, the first converts from iso format to img format preferred by Apple

hdiutil convert -format UDRW -o ~/path/to/target.img ~/path/to/ubuntu.iso
mv ~/path/to/target.img/dmg ~/path/to/target.img

Now figure out which disk is the flash drive with

diskutil list

For the disk N unmount it with this command:

diskutil unmountDisk /dev/diskN

Now use the disk utility to copy it over to the flash drive

sudo dd if=/path/to/downloaded.img of=/dev/rdiskN bs=1m

I’m Rich & Co.

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