In this, our final chapter, I'd like to do a round-up of quick tips and tricks that don't necessarily fit in with the previous chapters. Think of these tips as time savers for the busy administrator.

We'll cover the following topics:

• Quick ways to audit which system services are running
• Password-protecting the GRUB2 configuration
• Securely configuring and then password-protecting UEFI/BIOS
• Use a security checklist when setting up your system