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visits member for 2 years, 2 months
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4h
answered Resize MDADM/Software RAID underlying partition and filesystem
1d
comment textutil convert PDF to txt producing garbled output
Have you tried your luck with poppler's pdftotext/html? Not every PDF can be converted that way. See if you can search for text in the PDF, if that doesn't work then you might have to resort to OCR
1d
comment When is dd suitable for copying data? (or, when are read() and write() partial)
When using count, the iflag=fullblock is mandatory (or, alternatively, iflag=count_bytes). There is no oflag=fullblock.
Mar
28
comment Overwritten superblock and dd backup files recovery
PhotoRec is your best bet as an immediate measure. For the filesystem itself, even not considering the damage you already did with your own repair attempts, you'd have to know the exact progress of the partition move.
Mar
25
comment Repairing a RAID5 array
@jlmr get a new drive, this one is broken
Mar
23
comment How to fill a file with a stream from /dev/urandom with a specified number of lines ?
+1 for unblock, wow :-)
Mar
23
comment Why does dd from /dev/random give different file sizes?
just add iflag=fullblock
Mar
23
answered How to fill a file with a stream from /dev/urandom with a specified number of lines ?
Mar
20
comment Parallelize a Bash FOR Loop
@DavidDoria sure, this is meant for small scale. (The example in the question had only three items). I use this style for unlocking a dozen LUKS containers on bootup... if I had a lot more, I'd have to use some other method, but on a small scale this is simple enough.
Mar
17
awarded  Nice Answer
Mar
16
revised Need help creating a Live SD card
added 1230 characters in body
Mar
15
answered Need help creating a Live SD card
Mar
15
answered GNU parted resizepart in script
Mar
15
comment Disassemble a RAID 1 arragement without removing/reinstalling the system
If you're not using mdadm Software RAID, you should be more specific in your question.
Mar
15
answered Disassemble a RAID 1 arragement without removing/reinstalling the system
Mar
7
comment Can I Wipe My SSD from within the Drive Itself?
easier instructions: blkdiscard /dev/dataloss
Mar
7
comment extract number of bytes out of a file
There is no /dev/sdb2/pathname... you can either write raw data to the device, or you have to use mount so it's /mnt/sdb2/pathname. This sounds like an X Y problem so maybe you should have asked your real question...
Mar
7
answered extract number of bytes out of a file
Mar
5
comment Why is dd so slow with a bs of 100M
@Gilles everyone has to run their own benchmarks, of course. Same disk copy might be a corner case where larger blocksizes help. Otherwise, they usually don't. Which seems to be what your benchmark was showing...
Mar
4
answered dd'ing SDD, decreasing write speed