Search icon CANCEL
Subscription
0
Cart icon
Cart
Close icon
You have no products in your basket yet
Save more on your purchases!
Savings automatically calculated. No voucher code required
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Oracle Linux Cookbook

You're reading from  Oracle Linux Cookbook

Product type Book
Published in Jan 2024
Publisher Packt
ISBN-13 9781803249285
Pages 548 pages
Edition 1st Edition
Languages
Authors (3):
Erik Benner Erik Benner
Profile icon Erik Benner
Erik B. Thomsen Erik B. Thomsen
Profile icon Erik B. Thomsen
Jonathan Spindel Jonathan Spindel
Profile icon Jonathan Spindel
View More author details
Toc

Table of Contents (16) Chapters close

Preface 1. Chapter 1: Oracle Linux 8 – Get It? Got It? Good! 2. Chapter 2: Installing with and without Automation Magic 3. Chapter 3: Exploring the Various Boot Options and Kernels in Oracle Linux 4. Chapter 4: Creating and Managing Single-Instance Filesystems 5. Chapter 5: Software Management with DNF 6. Chapter 6: Eliminating All the SPOFs! An Exercise in Redundancy 7. Chapter 7: Oracle Linux 8 – Patching Doesn’t Have to Mean Rebooting 8. Chapter 8: DevOps Automation Tools – Terraform, Ansible, Packer, and More 9. Chapter 9: Keeping the Data Safe – Securing a System 10. Chapter 10: Revisiting Modules and AppStreams 11. Chapter 11: Lions, Tigers, and Containers – Oh My! Podman and Friends 12. Chapter 12: Navigating Ansible Waters 13. Chapter 13: Let’s All Go to the Cloud 14. Index 15. Other Books You May Enjoy

Playing with UEFI

One way hackers can compromise systems is by attacking the system before it boots. In order to prevent this, you must secure the operating system by enabling security in UEFI. In other words, you cannot run software if it cannot be trusted to execute code correctly because untrusted software can tamper with your bootloader or, even worse, compromise your firmware. To solve this, a new, secure method is required to boot systems, called UEFI. UEFI is implemented in the firmware and has become the interface between your hardware and the operating system, replacing the legacy BIOS firmware that was previously the industry default. A feature of UEFI is Secure Boot, which ensures that your system boots by only using software trusted by the hardware manufacturer of your system. In addition, it provides a verification mechanism (by verifying each piece of boot software by using cryptographic checksums and signatures) to ensure that the code that is launched is trusted by...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €14.99/month. Cancel anytime}