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This article mainly explains "how to solve the problem of modifying passwords in Linux it is based on a dictionary word". The explanation in this article is simple and clear, easy to learn and understand. Please follow the ideas of Xiaobian and go deep into it slowly to study and learn together "how to solve the problem of modifying passwords in Linux it is based on a dictionary word"!

Passwd: Bad password: it is based on a dictionary word. In fact, Linux requires a password authentication mechanism that specifies the minimum number of password characters in/etc/login.defs; it is also limited by/etc/pam.d/passwd.

If you are under root user, you can set it any way, you can not be constrained by the verification mechanism, even if you come out "BAD PASSWORD: it is based on a dictionary word" can also be modified successfully.

However, ordinary users modify their passwords. If they do not conform to the password verification mechanism, they will not be successful in modifying them. There will be various errors.

For example:

"BAD PASSWORD: it's WAY too short", this is the password too short, does not match the/etc/login.defs setting;

"BAD PASSWORD: it is based on your username", this is the password and account can not have the same name, this is not consistent with/etc/pam.d/passwd settings;

"BAD PASSWORD: it is based on a dictionary word" This is because the dictionary string appears.

If you use a combination of English and numbers, and the length is more than 6 digits, you will not report an error.

Additional:

Change password commands on Linux:

Any user logged in to Linux can change their password directly by typing passwd.

After the root user logs in, he can use the passwd username and modify the password of a certain user.

Thank you for reading, the above is "Linux password modification appears it is based on a dictionary word how to solve" the content, after the study of this article, I believe that everyone in Linux password modification appears it is based on a dictionary word how to solve this problem has a deeper understanding, the specific use of the situation also needs to be verified by practice. Here is, Xiaobian will push more articles related to knowledge points for everyone, welcome to pay attention!

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