Random Password generator – let’s generate the password from within the urandom mess….
For the beginning let’s issue the following command (cancel it by Ctrl+c !!):
It shows us, where the script takes its random strings from, further used for the password generation
< /dev/urandom tr -cd '[:graph:]' | fold -w 8 | head -n 5
< /dev/urandom tr -cd '[:alpha:]' | fold -w 8 | head -n 5
< /dev/urandom tr -cd '[:alnum:]' | fold -w 8 | head -n x # x - number of returned lines for ex.: 100
Quick “tr” How To:
|– Letters numbers
– levels white mark?
– control marks
– printed marks, excluding spaces
– lower case
– printed marks including spaces
– punctuation mark
– vertical or horizontal white mark (space)
– upper case
– HEX digits
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