This chapter covers the following subjects:

• File System Setup—This section covers the creation of file systems.

• Encryption with LUKS—This section looks at how to encrypt file systems with LUKS.

• Managing File System Quotas—To prevent file systems from filling up, this section covers how to implement quotas.

• File System Security—This section looks at how to enforce different types of security on file systems.

• Using AutoFS—This section covers how to automatically mount file systems with AutoFS.

The following RHCSA exam objectives are covered:

• Create, mount, unmount, and use ext2, ext3, and ext4 file systems

• Mount, unmount, and use LUKS-encrypted file systems

• Mount and unmount CIFS and NFS network file systems

• Configure systems to mount ext4, LUKS-encrypted, and network file systems automatically

• Extend existing unencrypted ext4 formatted logical volumes

• Create and configure set-GID directories for collaboration

• Create and manage access control lists (ACLs)

• Diagnose and correct file permission problems

• Create and configure LUKS-encrypted partitions and logical volumes to prompt for password and mount decrypted file system at boot

• Configure systems to mount file systems at boot by using Universally Unique ID (UUID) or labels