10 cách tạo password ngẫu nhiên trên Linux từ Command Line

• 1

  date +%s | sha256sum | base64 | head -c 32 ; echo

• 2

  < /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-32};echo;

• 3

  openssl rand -base64 32

• 4

  tr -cd '[:alnum:]' < /dev/urandom | fold -w30 | head -n1

• 5

  strings /dev/urandom | grep -o ':alnum:' | head -n 30 | tr -d '\n'; echo

• 6

  < /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c6

• 7

  dd if=/dev/urandom bs=1 count=32 2>/dev/null | base64 -w 0 | rev | cut -b 2- | rev

• 8

  </dev/urandom tr -dc '12345!@#$%qwertQWERTasdfgASDFGzxcvbZXCVB' | head -c8; echo ""

• 9

  randpw(){ < /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-16};echo;}

• 10

  date | md5sum

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