Getting started with linux-kernel

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Remarks

This section provides an overview of what linux-kernel is, and why a developer might want to use it.

It should also mention any large subjects within linux-kernel, and link out to the related topics. Since the Documentation for linux-kernel is new, you may need to create initial versions of those related topics.

Versions

VersionRelease date
4.42016-01-10
4.12015-06-21
3.182014-12-07
3.162014-08-03
3.122013-11-03
3.102013-06-30
3.42012-05-20
3.22012-01-04

Installation or Setup

Linux kernel source code can be found in https://www.kernel.org/

Download extract and enter to the kernel directory

Type these commands step by steps in your terminal.(Choose the appropriate version you needed instead of linux-4.7.tar.gz )

wget http://www.kernel.org/pub/linux/kernel/v4.7/linux-4.7.tar.gz
tar zxvf linux-4.7.tar.gz
cd linux-4.7
 

make menuconfig will select the features required for the kernel. Old kernel configurations can be copied by using old .config file and executing make oldconfig . Also we can use make xconfig as a graphical version of the configuration tool.

Build the dependencies, compile the kernel and modules.

make dep
make bzImage
make modules
make modules_install 
 

Alternatively if you want to reconfigure the old kernel and re compile it, execute the below commands:

make mrproper
make menuconfig
make dep
make clean
make bzImage
make modules
make modules_install
 

Then copy the kernel, system.map file to /boot/vmlinuz-4.7

create a .conf file with the below content

image = /boot/vmlinuz-4.7
label = "Linux 4.7"
 

Then execute lilo -v to modify the boot sector and reboot.

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Friday, July 7, 2017
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