Track security updates

• Understand how Red Hat Enterprise Linux produces updates and how to use yum to perform queries to identify what errata are available.

Manage software updates

• Develop a process for applying updates to systems including verifying properties of the update.

Create file systems

• Allocate an advanced file system layout and use file system encryption.

Manage file systems

• Adjust file system properties through security related options and file system attributes.

Manage special permissions

• Work with set user ID (SUID), set group ID (SGID), and sticky (SVTX) permissions and locate files with these permissions enabled.

Manage additional file access controls

• Modify default permissions applied to files and directories; work with file access control lists.

Monitor for file system changes

• Configure software to monitor the files on your machine for changes.

Manage user accounts

• Set password-aging properties for users; audit user accounts.

Manage pluggable authentication modules (PAMs)

• Apply changes to PAMs to enforce different types of rules on users.

Secure console access

• Adjust properties for various console services to enable or disable settings based on security.

Install central authentication

• Install and configure a Red Hat Identity Management server and client.

Manage central authentication

• Configure Red Hat Identity Management rules to control both user access to client systems and additional privileges granted to users on those systems.

Control access to network services

• Manage firewall rules to limit connectivity to network services.