![]() ![]() ![]() At the time of writing this, the latest stable kernel version was 4.7.1, and I will refer to the same in this article. Go to and download the latest stable version. To check your current kernel version, open the terminal and type: uname -r Downloading and extracting the latest kernel source You will also need up to at least 12 GB of free space on disk, an internet connection to download the source code, and a lot of time (about 45 to 90 minutes). sudo apt-get update sudo apt-get install git fakeroot build-essential ncurses-dev xz-utils libssl-dev bc You will need to install a few packages before you can get started. What you’ll needĪ Linux based Operating System (I tried this on Ubuntu 14.04 LTS and the instructions written here are for the same). In each of the above situations, learning how to build the kernel from source will come in handy. You’re doing a course on Advanced Operating Systems and have no choice but to do this!.You want to debug kernel source code, enable support for a new piece of hardware, or make modifications to its existing configurations.You want to enable experimental features on your kernel that are not enabled by default (or, disable default features that you don’t want).(Each time you implement your own system call or modify kernel source code, you will need to recompile the kernel to implement the changes) You want to write a really cool ‘Hello world’ program. ![]() Here are a few specific cases where you’ll need to know how to work with the kernel’s source code: If you plan to work on the internals of the Linux kernel or change its behavior, you’ll need to recompile the kernel on your system. So, here’s a guide to help you through the process of building the kernel from source, and it’s a guide that works! You will not have to worry about messing up your system or wasting your time. It can also get really irritating if you aren’t following the right instructions. My goal is to present a straightforward approach for doing this, which should hopefully help you save a lot of time.Ĭompiling the Linux Kernel from source can seem like a daunting task, even to someone who’s pretty comfortable with computers in general. There are a number of blogs that already tell you how to go about doing this, but some of them are outdated, and some seem unnecessarily complicated. And I decided to document my approach for building the Linux kernel from source and implementing my own system call. I just finished my first assignment for a course on Advanced Operating Systems. By Sreehari How to build and install the latest Linux kernel from source A map of the Linux kernel ![]()
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