For security reasons we always recommend to set strong and long passwords.
But we also advise to not set the password to long
Why?
The linux console has a timeout and in case of a for example 60 charakters long password you may always miss the time and cant login via rescure console in case ssh crahes.
We advise to set the password secure (for example 20 is more the long enough) and set ssh to key auth. This way a brutforce is impossible (as password logins wont work) and you still can reach the server via rescue console.
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