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[DD] Add some tricks for dd

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ImmortalPC 2014-04-18 17:12:39 +02:00
parent 1c79ab5ed6
commit 74c6c9b01b
1 changed files with 10 additions and 0 deletions
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cheatsheets/dd
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@ -2,3 +2,13 @@
# Note: At the first iteration, we read 512 Bytes.
# Note: At the second iteration, we read 512 Bytes.
dd if=/dev/urandom of=/tmp/test.txt count=512 bs=2
# Watch the progress of 'dd'
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
# Watch the progress of 'dd' with `pv` and `dialog` (apt-get install pv dialog)
(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
# DD with "graphical" return
dcfldd if=/dev/zero of=/dev/null bs=500K