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Linux Kernel in a Nutshell (In a Nutshell (O'Reilly)) by Greg Kroah-Hartman

By Greg Kroah-Hartman

I've got numerous books from O'Reilly's "In a Nutshell" sequence and prefer all of them. This one may be close to the head of the record out of those i've got, as it is top-notch.

It's in the beginning a reference, and i'm already pulling it out with a few frequency. yet it is also stable for filling in a few gaps in my wisdom of the Linux kernel as i am faraway from a professional but in addition now not a newbie, and this publication has additionally helped me construct a few instinct into Linux and the kernel. particularly worthwhile is an element II, exhibiting the best way to verify the right kind module and a few of the kernel configuration recipes, as those will be useful for a beginner and will aid convey an individual previous the beginner point as much as one other level.

For an individual facing the Linux kernel of their paintings, this publication certainly belongs of their assortment.

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Extra resources for Linux Kernel in a Nutshell (In a Nutshell (O'Reilly))

Example text

Make silentoldconfig works exactly the same way as oldconfig, but it does not print anything to the screen, unless it needs to ask a question about a new configuration option. Usually, when upgrading between different versions of the stable releases, no new configuration options are added, as this is supposed to be a stable kernel series. If this happens, there are no new questions that need to be answered for the kernel configuration, so the program continues successfully without any need for user intervention.

To start up this configuration mode, enter: $ make menuconfig You will be shown a screen much like Figure 4-1. Configuring and Building Figure 4-1. Initial menuconfig screen The instructions for navigating through the program, and the meanings of the different characters, are shown at the top of the screen. The rest of the screen containing the different kernel configuration options. The kernel configuration is divided up into sections. Each section contains options that correspond to a specific topic.

Now that we have the module name, we need to find the kernel configuration option that controls it. o Remember to replace the e1000 used for this example with the name of the module that you are looking to find. 12040 Page 49 Friday, December 1, 2006 10:03 AM The important thing to look for in the output of the previous find command is any line that has the term CONFIG_ in it. That is the configuration option that the kernel needs to have enabled in order to build the module. In the above example, the option CONFIG_E1000 is the configuration option that you are looking for.

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