mirror of
https://github.com/chubin/cheat.sheets
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27 lines
1.4 KiB
Plaintext
27 lines
1.4 KiB
Plaintext
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# Read from {/dev/urandom} 2*512 Bytes and put it into {/tmp/test.txt}
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# Note: At the first iteration, we read 512 Bytes.
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# Note: At the second iteration, we read 512 Bytes.
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dd if=/dev/urandom of=/tmp/test.txt count=512 bs=2
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# Watch the progress of 'dd'
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dd if=/dev/zero of=/dev/null bs=4KB &; export dd_pid=`pgrep '^dd'`; while [[ -d /proc/$dd_pid ]]; do kill -USR1 $dd_pid && sleep 1 && clear; done
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# Watch the progress of 'dd' with `pv` and `dialog` (apt-get install pv dialog)
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(pv -n /dev/zero | dd of=/dev/null bs=128M conv=notrunc,noerror) 2>&1 | dialog --gauge "Running dd command (cloning), please wait..." 10 70 0
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# Watch the progress of 'dd' with `pv` and `zenity` (apt-get install pv zenity)
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(pv -n /dev/zero | dd of=/dev/null bs=128M conv=notrunc,noerror) 2>&1 | zenity --title 'Running dd command (cloning), please wait...' --progress
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# Watch the progress of 'dd' with the built-in `progress` functionality (introduced in coreutils v8.24)
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dd if=/dev/zero of=/dev/null bs=128M status=progress
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# DD with "graphical" return
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dcfldd if=/dev/zero of=/dev/null bs=500K
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# This will output the sound from your microphone port to the ssh target computer's speaker port. The sound quality is very bad, so you will hear a lot of hissing.
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dd if=/dev/dsp | ssh -c arcfour -C username@host dd of=/dev/dsp
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# Show current progress without interruption (USR1)
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dd if=/dev/zero of=/dev/null & pid=$!
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kill -USR1 $pid
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