The random_string module support the definition of more or other properties, which you are not using and depend on according your initial description. With this approach one'll get a string with the required properties. name: Show string with 8 lowercase characters It will only be necessary to define the properties of the result set ( chars=ascii_letters,digit length=8' | lower). To do so, one can use the password lookup – retrieve or generate a random. How to generate an idempotent but random string of length 8 without numbers and special characters and lower case only? Each string should be characters long (maximum 20 ). Part 1: The Strings Generate random strings (maximum 10,000 ). The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs. In other words, just a short random string with specific properties. This form allows you to generate random text strings. I understand that you like to generate a random string of length 8 ( since that is the default value of parameter length for module random_string) without numbers and special characters and lower case only. I believe if you set the hash of the password to the literal string '' the user will be active, but no password will ever authenticate. For what it's worth, you can configure SSH to only authenticate via keys. ![]() According the documentation random_string lookup – Generates random string and your example upper=false, numbers=false, special=false Is there any way to easily create a random string that I'm missing They should ONLY be using the SSH key.
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