This is a utility that sets Access Control Lists (ACLs) for files and directories for linux hosts.  I’m managing a Linux host on AWS and a design firm is working on the website itself. Even though the host itself is a sandbox webserver, I don’t want to give out root credentials – so we set ACLs.

Lets take a look at an example:

User ec2-user wants to read, write, and executable permissions on directory /home/web. 

This is how you set the permissions:

[ec2-user@sandbox html]$ sudo setfacl -m u:ec2-user:rwx /home/web

The -m option sets the ACL for the file or directory.

The u: option  specifies the user you wish to grant access

The option allows read access

The w option allows write access

The x option removes previous ACLs

You can look at more flags and read more on setfacl here:

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