From the course: Linux Hardening

Unlock this course with a free trial

Join today to access over 25,200 courses taught by industry experts.

Securing the kernel

Securing the kernel - Linux Tutorial

From the course: Linux Hardening

Start my 1-month free trial Buy for my team

Securing the kernel

“

Hello, and welcome to Cybrary's course on Hardening Linux. In this lesson, we will cover hardening the kernel. I am Corey Holzer and I am your instructor for this lesson. The objectives we will cover in this lesson are as follows. At the end of this lesson, you will be able to describe what a kernel is and how to keep it up to date. You'll also be able to explain the kernel's parameters and how to configure them. You'll also be able to define the roles of three kernel modules: Exec Shield, AppArmor, and SELinux. Lastly, you'll be able to explain how to disable the infamous ctrl-alt-delete. As we discussed in module two, the kernel manages and allocates resources to the main processes running on a computer at any given time. While the CPU handles the calculations, the kernel makes sure the CPU has the memory resources it needs to make those calculations. When the kernel cannot assign resources to the CPU for a certain process, then the machine experiences a crash or other fault. Sysctl…

Contents