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#the partitions are still there! This part, at least, is still normal. You have to re-read partition table to update the partition information. You can trigger a re-read with blockdev --rereadpt /dev/sdx (alternatively sfdisk --re-read but that option has been removed from recent versions of sfdisk). For everything else, yes it's possible for flash based ...


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I've got bunch of corrupted .gz files with text files inside, tried to use unzip -FF with no success. Surprisingly 7z managed to extract with no problem, gave me ERROR: Unexpected end of data but extracted: sudo apt-get install p7zip-full 7z x text.log.gz


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You can do it pretty efficiently in Bash without external files, except the device to write to, or external commands, except dd. Use printf to generate a byte with all one bits, and put it in a Bash variable. Concatenate the Bash variable to itself multiple times. Use Bash process substitution to fake an infinitely long input file that repeatedly echoes the ...


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If using GNU dd, you can use dd if=/dev/random iflag=nonblock for it to read up to 512 bytes without blocking (so returning fewer bytes if fewer are available).


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I use mt all the time for operations relating to tape. Things like moving forward, backward, ejecting, etc. But I don't think it reports record sizes (I'll have to double check this). I'm really after something showing record size as this will be a valuable QC tool when reading data from tape. A bonus would doing this during the read so as not to have to ...


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