chcon:tldr:50679

The command "chcon -t ${type} ${filename}" is used to change the security context/type of a file or directory on a Linux system.

Here's a breakdown of the command and its components:

1. "chcon" is the command itself, short for "change context". It is used to modify the SELinux (Security-Enhanced Linux) context of a file or directory.

2. "-t" is an option/flag that indicates the type. This flag is followed by the desired security type you want to assign to the specified file or directory.

3. "${type}" is a placeholder that should be replaced by the desired security type you wish to set. The security types in SELinux are predefined and categorized, such as "httpd_sys_content_t", "user_home_t", etc. These types are used to control the access and permissions of a file or directory.

4. "${filename}" is also a placeholder that should be replaced by the path and name of the file or directory you want to change the security context for.

For example, if you want to change the security type of a file named "myfile.txt" to the type "user_home_t", you would use the command:

chcon -t user_home_t myfile.txt

Note: The "chcon" command requires administrative privileges, so you may need to use "sudo" before the command if you are not logged in as the root user.