This article describes how to compile a Linux Kernel (version 2.6.35).

Step 1: download the source code

open a shell and runthe following command:

# wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.35.tar.bz2

Step 2: untar everything to /usr/src

# tar -xjvf linux-2.6.35.tar.bz2 -C /usr/src

Step 3: Install compiler and other dependencies

run as root:

# yum install ncurses ncurses-devel gcc

Step 4: configure the kernel

Change to the /usr/src/linux-2.6.35 directory. You can now configure the Linux kernel source with "make menuconfig". There are also other tools to do that ("make xconfig" or "make gconfig"),  but I have never used them.

# cd /usr/src/linux-2.6.35/
# make menuconfig

Step 5: compile the kernel

compile the kernel:

# make

compile the kernel:

...and the modules:

# make modules

Step 6: Install the new kernel and the modules:

run as root:

# make modules_install
#  make install 

Step 7: create a new initrd and configure grub.conf:

# cd /boot
# mkinitrd -v -f initrd.img-2.6.35 2.6.35

now edit your /boot/grub/grub.conf file:

# vi /boot/grub/grub.conf

and add your new kernel there:

(...)
title plain vanilla 2.6.35
 root (hd0,0)
 kernel /vmlinuz-2.6.35 ro root=/dev/mapper/rootvg-root_lv  LANG=en_US.UTF-8 rhgb quiet
 initrd /initrd.img-2.6.35

Now reboot your computer and select the "plain vanilla 2.6.35" Kernel in the grub menu.

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