Linux-based user identifier uniqueness implementation method and device, equipment and medium

Abstract

The invention relates to a Linux-based user identifier uniqueness implementation method, device and equipment and a medium, which are applied to the technical field of computers, and the method comprises the following steps: in response to a user account creation instruction of a user, judging whether the user identifier creation instruction contains a specified user identifier; if yes, whether the specified user identifier has a use record or not is judged based on a preset user identifier database; if not, creating a user account based on the specified user identifier; if yes, whether an available user identifier exists or not is judged; if yes, creating a user account based on the available user identifier, or generating prompt information for prompting the user with the available user identifier; if not, exiting; and if not, executing the step of judging whether the available user identifier exists. The application has the effect of realizing the uniqueness of the user identifier.

Description

technical field [0001] The present application relates to the technical field of computers, and in particular, to a Linux-based method, apparatus, device and medium for realizing uniqueness of user identifiers. Background technique [0002] In the existing Linux operating system, when a user is deleted during the current system life cycle, the user ID is also immediately deleted from the current system. However, when creating a new user or modifying a user, the deleted and used user ID may be actively or passively reused by the current system, and the user ID reused by the current system loses its uniqueness. If the deleted user's important files or other If the files are not deleted from the current system at the same time when the user is deleted, the newly created users with the same user ID can access these files, which may lead to the theft or abuse of some specific programs or files, increasing data leakage, identity Theft and other risks, thereby jeopardizing the cur...

AI Technical Summary

Problems solved by technology

However, when creating a new user or modifying a user, the deleted and used user ID may be actively or passively reused by the current system, and the user ID reused by the current system loses its uniqueness. If the files are not cleared from the current system at the same time when the user is deleted, then newly created users with the same user ID can access these files, which may lead to the theft or abuse of some specific programs or files, increasing data leakage, identity Risks such as embezzlement, thereby endangering the current system security of the computer

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