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3. START ME UP! THE BOOT PROCESS

Chapter 3. START ME UP! THE BOOT PROCESS

START ME UP! THE BOOT PROCESS

While FreeBSD will boot easily and automatically when you turn on the power, understanding exactly what happens at each stage will make you a better system administrator. Intervention during the boot process is rarely necessary, but one day you’ll be glad you know how to do it. And once you’re comfortable with adjusting the boot process, you’ll find you can solve problems you’ve previously accepted and endured.

We’ll start by discussing how the system loader starts, then look at some interesting changes you can make and the information you can gather from the boot loader’s command line, including booting alternate kernels and starting in single-user mode. We’ll cover serial consoles, a standard system management tool. The FreeBSD multi-user startup process is responsible for starting all the various services that make your computer useful, and we’ll give attention to that as well. In addition, we’ll cover the information FreeBSD records about the boot process and how FreeBSD turns itself off without corrupting data.


  

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