From the course: Red Hat Certified System Administrator (EX200) Cert Prep: 2 File Access, Storage, and Security

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Read access control lists

Read access control lists

From the course: Red Hat Certified System Administrator (EX200) Cert Prep: 2 File Access, Storage, and Security

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Read access control lists

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- [Instructor] Because ACLs are layered on top of Linux permissions, we can't use standard tools such as LS to list them. With ACLs, comes a suite of new tools. Let's take a look. Go to a terminal and create a directory using mkdir and then change into it. Type in mkdir space aclexercise and hit Enter. Now type in cd space aclexercise and hit Enter again. You can verify your path by typing in pwd. Now let's create a file and place an ACL on it. Type in touch space aclfile and hit Enter. We can verify this with ls space -l. In order to read the ACLs on a file, we'll use the getfacl command. Getfacl is installed by default in CentOS, but if you're using another distribution, you may have to install ACLs before proceeding. Type in g e t f a c l space aclfile and hit Enter. This lists the name of the file, the user owner, the group owner and permissions for the user group and other. Basically, this lists the standard Linux permissions. We can also view the same data in tabular format by…

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