5. SELinux With Baisc Linux Commands

    The following commands with "-Z" reveals along with the context information specifically for each commands.

• ps -Z
• ls -Z
• cp -Z
• id -Z
• mv -Z

# id

uid=500(user1) gid=500(user1) groups=500(user1) context=user_u:system_r:unconfined_t

or

# id -Z

user_u:system_r:unconfined_t

This shows the information about the user ID and the context information of the user(SELinux label of user). i.e,  id -Z reveals current security context of users

# ps -Z

Shows the ps run by the user and the labeling information of each process. i.e, ps -Z reveals various domains in Tupals[SUBJECTS].

# ls -Z

Reveals the security context of files/directories[OBJECTS]

# cp

Copying a file will result in inheriting the targeted folder type context. Make sure that the context is verified once the file has been copied.

# mv

Moving a file will preserve the security context.