The mkusb console displays output from the engine behind the zenity curtain main: usbonly=true main: liveonly=true No imput file specified yet main: source='' ubuntu imagefile=/isodevice/lubuntu-14.04.2-desktop-i386.iso Booted from: /dev/sda /dev/sda is busy; cannot be unmounted. Close any program that is using this device if you want to select and use it as a target for mkusb (maybe change directory if a terminal window is using the partition)! ans=2 select_device: /isodevice/lubuntu-14.04.2-desktop-i386 /isodevice/lubuntu-14.04.2-desktop-i386.iso /dev/sdb mount: block device /isodevice/lubuntu-14.04.2-desktop-i386.iso is write-protected, mounting read-only Lubuntu 14.04.2 LTS "Trusty Tahr" - Release i386 '/isodevice/lubuntu-14.04.2-desktop-i386.iso' is identified as the source ISO file MODEL NAME FSTYPE LABEL MOUNTPOINT SIZE ExtremePro sdb 119.2G ├─sdb1 vfat ToriOS-daily 59.3G ├─sdb2 iso9660 torios-live 645M └─sdb3 ext4 live-rw 59.3G Using the file '/usr/share/mkusb/grub.cfg' Using the file '/usr/share/mkusb/usb-pack_efi.tar.gz' Wipe the first megabyte (mibibyte) to get a clean boot area 1024+0 records in 1024+0 records out 1048576 bytes (1.0 MB) copied, 0.250326 s, 4.2 MB/s mkfs.fat 3.0.26 (2014-03-07) mke2fs 1.42.9 (4-Feb-2014) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 5210112 inodes, 20814336 blocks 1040716 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=0 636 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000 Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done mount: block device /isodevice/lubuntu-14.04.2-desktop-i386.iso is write-protected, mounting read-only fatlabel: warning - lowercase labels might not work properly with DOS or Windows tune2fs 1.42.9 (4-Feb-2014) tune2fs 1.42.9 (4-Feb-2014) --------------------------------------------------------------------------- source=/isodevice/lubuntu-14.04.2-desktop-i386.iso --------------------------------------------------------------------------- UEFI Bootloader: Installing for i386-pc platform. Installation finished. No error reported. BIOS Bootloader: Installing for i386-pc platform. Installation finished. No error reported. Copying files ... ./ ./boot/ ./boot/grub/ ./boot/memtest/ ./boot/memtest/memtest86+-5.01.bin ./boot/memtest/memtest.bin ./EFI/ ./EFI/BOOT/ ./EFI/BOOT/bootx64.efi ./EFI/BOOT/bootia32.efi < /isodevice/lubuntu-14.04.2-desktop-i386.iso pv | dd of=/dev/sdb2 bs=4096 703MB 0:00:04 [ 142MB/s] [============================================>] 100% 179968+0 records in 179968+0 records out 737148928 bytes (737 MB) copied, 5.24744 s, 140 MB/s Syncing the target device ... MODEL NAME FSTYPE LABEL MOUNTPOINT SIZE ExtremePro sdb 119.2G ├─sdb1 vfat lub1404232 39.1G ├─sdb2 iso9660 Lubuntu 14.04.2 LTS i386 712M └─sdb3 ext4 casper-rw 79.4G Done :-) The target device is ready to use. '/isodevice/lubuntu-14.04.2-desktop-i386.iso' was installed