Ubuntu: Creating ISO image of Pendrive, Cds, DVDs


Hey,

i’m posting after long time, because this is so useful.

one of my friend was getting bad superblock error and unable to mount usb in Ubuntu 12.04.

She had important data in it.

One option was using fsck and changing superblock-section.

But what if i’m copying her pendrives Data in some image file.

Note that Pendrive was not mounted.

try this

sudo cat  /dev/sdb1 > ~/PDBACKUP.iso

where ~ is Current user home directory

NOTE here /dev/sdb1 is path where pendrive /CD/DVD is mounted

to get this path you can either use

command :        sudo fdisk -l

or go to System Moitor

type system monitor in Ubuntu Dock you will find System Monitor

in System Monitor under File Systems you will find your device name.

system

Now you know the device  type following command to make an iso image

 sudo cat /dev/sdb1 > /home/bhushan/pdimage.iso

where /dev/sdb1 is device name we got from System Monitor

/home/bhushan/pdimage.iso is path to newly created image file.

after you are finished with creating iso image

1)IMAGES OF CD/DVD WILL WORK FINE WITH UBUNU’S IMAGE MOUNTER

BUT

IF IMAGE IS OF USB PENDRIVE YOU MAY GET THIS ERROR ON OPENING IN NORMAL UBUNTU IMAGE MOUNTER

errorpd

HOW TO FIX THIS ?

Use any other iso mounter such as isomaster from software center

I will suggets you to install PowerISO.

pendrive

What is the logic behind this

cat command is used to print file data on standard Output i.e terminal in Ubuntu/Unix.

i’m redirecting that output to file.

cat /dev/sb1 > filepath

Note that its not necessary to give extension while creating image

Just after finished with creating filerename it with iso and any other image file extenstion

this is the reason why Standard Image mounter gives error while mounting image of PENDRIVE.

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