avc_reset - Linux

Overview

avc_reset is a utility for managing SELinux access control policies. It allows you to reset the security context of files and directories to their default values. This can be useful if you have accidentally changed the security context of a file or directory and need to restore it to its original state.

Syntax

avc_reset [OPTIONS] FILE/DIRECTORY

Options/Flags

  • -h, –help: Display help and exit.
  • -v, –verbose: Enable verbose output.
  • -f, –force: Reset the security context of the specified file or directory even if it is not currently labeled.
  • -R, –recursive: Reset the security context of the specified directory and all of its subdirectories.

Examples

Resetting the security context of a file

avc_reset /etc/passwd

Resetting the security context of a directory

avc_reset /home/user

Resetting the security context of a directory and all of its subdirectories

avc_reset -R /home/user

Common Issues

One common issue that users encounter when using avc_reset is that the command fails to reset the security context of a file or directory. This can be due to a number of reasons, including:

  • The file or directory is not currently labeled.
  • The user does not have permission to reset the security context of the file or directory.
  • The file or directory is locked.

If you encounter this issue, you can try the following:

  • Use the -f option to force avc_reset to reset the security context of the file or directory even if it is not currently labeled.
  • Check the permissions on the file or directory and ensure that the user has permission to reset the security context.
  • Unlock the file or directory.

Integration

avc_reset can be integrated with other Linux commands and tools to perform more complex tasks. For example, you can use avc_reset to reset the security context of all of the files and directories in a given directory tree. To do this, you can use the following command:

find /path/to/directory -type d -exec avc_reset -R {} \;

Related Commands

  • chcon: Change the security context of a file or directory.
  • restorecon: Restore the default security context of a file or directory.