THIS CHAPTER IS ALL ABOUT THE KERNEL, the essence of the Linux operating system. Because the kernel is highly configurable, it represents an opportunity to better harden your systems. Unfortunately, it also offers a way for attackers to take advantage of mistakes made by users who are less skilled at kernel configuration.
Because of the complexity of the kernel, most Linux professionals rely on kernels configured by reliable developers. Primarily, this comes from the developers of the distribution they are using. In turn, these developers start with the work of volunteers ...
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