make bootable usb on ubuntu

just note how to make bootable usb on ubuntu

First - unmount usb devices

• use umount /mnt/sdb1
• can't unmount?  try fuser -km /mnt/sdb1

Check - Linux should see usb device

• use command  fdisk -l. shoud see /dev/sdbX
• lsblk

Write image

• sudo dd bs=4M if=/mnt/ubuntu-14.04.5-server-i386.iso of=/dev/sdb1

Write image and monitor progress

• install pv by apt-get install pv
• dd if=/mnt/ubuntu-14.04.5-server-i386.iso | pv -s 2G | dd of=/dev/sdb1 bs=4096

Dont forget sync!

• sudo sync

Example

dd if=/root/bootusb/ubuntu-14.04.5-server-i386.iso | pv -s 700M | dd of=/dev/sdb1 bs=4096

Easiest way is use

• gparted
• unetbootin