Make an iso file out of your entire hard drive

dd if=/dev/hda of=file.img
Similar.

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By: yooreck
2009-11-09 16:05:17

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    dd if=/dev/cdrom of=whatever.iso
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  • This is to pull all the saved S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) information from a hard drive. This can give you an idea of the nature and extent of an issue on a failing hard drive. Show Sample Output


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    smartctl --attributes /dev/sda
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    gpg -e --default-recipient-self <SENSITIVE_FILE> && shred -zu "$_"
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  • grep searches through a file and prints out all the lines that match some pattern. Here, the pattern is some string that is known to be in the deleted file. The more specific this string can be, the better. The file being searched by grep (/dev/sda1) is the partition of the hard drive the deleted file used to reside in. The ?-a? flag tells grep to treat the hard drive partition, which is actually a binary file, as text. Since recovering the entire file would be nice instead of just the lines that are already known, context control is used. The flags ?-B 25 -A 100? tell grep to print out 25 lines before a match and 100 lines after a match. Be conservative with estimates on these numbers to ensure the entire file is included (when in doubt, guess bigger numbers). Excess data is easy to trim out of results, but if you find yourself with a truncated or incomplete file, you need to do this all over again. Finally, the ?> results.txt? instructs the computer to store the output of grep in a file called results.txt. Source: http://spin.atomicobject.com/2010/08/18/undelete?utm_source=y-combinator&utm_medium=social-media&utm_campaign=technical


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    grep -a -B 25 -A 100 'some string in the file' /dev/sda1 > results.txt
    olalonde · 2010-08-19 20:07:42 4

What Others Think

In what way this will make an iso file? It's just a ordinary image file
flart · 449 weeks and 3 days ago
This is NOT an iso-file !
alvinx · 449 weeks and 2 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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