Created
May 4, 2016 08:56
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Get kind of unique number for system.
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| #!/bin/bash | |
| SERIAL=`sudo hdparm -I /dev/sda | grep 'Serial Number:' | perl -ne 'if(m/:\s*(\S+)/){print "$1\n"}' | tr -cd 0-9` | |
| UNIQUE_FILE='/tmp/uniq.txt' | |
| grep $SERIAL $UNIQUE_FILE > /dev/null 2>&1 || echo $SERIAL > $UNIQUE_FILE |
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