Linux bash script how to generate a random password using /dev/urandom

This command will generate a random password using all letters and numbers that is 20 characters wrong based on /dev/urandom (for the most truly random output).

echo `< /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-20};echo;`


Tags:

linux, bash, generate, password, dev, urandomthis, characters, urandom, output, echo, tr, dc, _a, z,

Latest Articles

  • Why SMART is not smart at all and doesn't properly predict disk errors that cause a kernel panic or crash
  • scp: ambiguous target error and solution
  • VirtualBox How To Add iSCSI Storage using VBoxManage
  • iSCSI on Centos 7 Configuration and Setup Guide for Initiator and Target
  • Python and BeautifulSoup4's BS4's Decompose Method To Remove Unwanted Inner Tags
  • httpd AH00534: httpd: Configuration error: No MPM loaded. solution
  • bash script to remove modules from httpd.conf that are not actually installed
  • bash scripting how to create a function
  • Centos 7 PHP MySQL Not Working Solution
  • Bash How To Cut or Split Natively And Get The LAST Field
  • Bash Script How To Manipulate Text/Strings By Searchig and Replacing Natively
  • How Does Cisco CUCM (Cisco Unified Communication Manager) Work?
  • What DNS Options Does Active Directory Offer in Windows Server 2008,2012,2016 ?
  • syntax error, unexpected T_SL in PHP Solution
  • grep regular expression match number range between specific numbers
  • bash how to print out lines of text within a range from the first occurrence
  • bash script how to to check LAN computers for open ports
  • MySQL Using mytop Debug Source of High IO and Slow Performance
  • How To Mathematically Convert and Calculate Binary Value To Decimal Value
  • systemd management using systemctl and journalctl to check systemd logs