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29

How do I get the kernel source code?

rated 0 times [ 29] [ 0] / answers: 1 / hits: 169288 / 1 Year ago, fri, february 10, 2023, 12:16:16

I am planning to write some device drivers and I need to get the Linux kernel source. My Linux kernel version is 3.2.0-23-generic-pae and I downloaded the image from this. In many of the articles I have read, it tells me that I need to have the entire kernel tree to start inserting new modules.

Is it enough if I download this image and paste it into the usr/src/ folder or do I have to do something else?

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oraoming

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answered 1 Year ago edgehogight · Accepted Answer

This will get the source of the stock kernel:

apt-get source linux-source

https://help.ubuntu.com/community/Kernel/Compile/

You can check what version of the kernel is running like this:

uname -r

Which will print something like:

3.13.0-46-generic

You can find a list of current source package versions available on your system via:

apt-cache search linux-source

To get the upstream version of the kernel:

git clone git://kernel.ubuntu.com/ubuntu/ubuntu-trusty.git

https://wiki.ubuntu.com/KernelTeam/GitKernelBuild

In the above link, 'trusty' is the codename for the version of Ubuntu. You can find out the codename for the version of Ubuntu you have installed via:

cat /etc/lsb-release