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In this article, the editor introduces in detail "how to use the seinfo command of Linux". The content is detailed, the steps are clear, and the details are handled properly. I hope that this article "how to use the seinfo command of Linux" can help you solve your doubts.

Linux commonly used command seinfo command is used to query how many relevant rules are provided by the policy of SELinux. The focus of whether a subject process can read the target file resources lies in the policy of SELinux and the rules in the policy, and then through the definition of the rule to deal with the security context of each target file, especially the "type" part.

Syntax format: seinfo [parameters]

Common parameters:-a list SELinux status, rule Boolean value, identity, role, type, etc.-t list all types of SELinux (type)-r list category of all roles (role) of SELinux-u list category of all identities (user) of SELinux-b list category of all rules (Boolean) reference example list status, rule Boolean, identification, role, type and other information of SELinux:

[root@lmlphp.com ~] # seinfo-a lists all types of SELinux (type):

[root@lmlphp.com ~] # seinfo-t lists the types of all roles (role) in SELinux:

[root@lmlphp.com ~] # seinfo-r lists all types of identities (user) in SELinux:

[root@lmlphp.com ~] # seinfo-u lists the categories of all rules (Boolean values):

[root@lmlphp.com ~] # seinfo-b lists the rules related to httpd:

[root@lmlphp.com] # seinfo-b | grep httpd has read this article "how to use the seinfo command of Linux". If you want to master the knowledge of this article, you still need to practice and use it before you can understand it. If you want to know more about related articles, please follow the industry information channel.

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