Chapter 5The Boot Process

CERTIFICATION OBJECTIVES

5.01        The BIOS and the UEFI

5.02        Bootloaders and GRUB 2

5.03        Between GRUB 2 and Login

5.04        Control by Target

5.05        Time Synchronization

  Images          Two-Minute Drill

Q&A      Self Test

This chapter is focused on what happens from the moment a system is powered up to the time a login prompt is available. This is called the boot process. When RHEL 7 is properly installed, the BIOS/UEFI points to a specific media device. Assuming it’s a local hard drive, the GUID Partition Table (GPT) or Master Boot Record (MBR) of that device points to the GRUB 2 bootloader. Once ...

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