Saturday, May 18, 2013

Install Grsecurity on 32 bit OS is : Kernel

Ideal way to install Grsecurity on 32 bit OS is : Just follow the steps given below.

Fetch the sources:

Download kernel from


Downlaod latest Grsecurity patch from below URL :


tar xjf linux-

Patch the kernel:

#cd linux-

#patch -p1 < ../grsecurity-2.2.2-

Now start making the kernel :

# make clean && make mrproper

Edit your kernel as per your need :

# make menuconfig

Compile your kernel and install it:

# make bzImage

# make modules

# make modules_install

Make sure it’s working ok with the help of following command :

# depmod

Installing and booting the new kernel :

# cp arch/i386/boot/bzImage /boot/vmlinuz-

There is also a file called “” that must be copied to the same boot directory.

# cp /boot

Do not forget to make changes in /etc/grub.conf

also go to grub prompt after this and fire below command :

# grub > savedefault –-default=0 –-once

Now reboot server :

#Shutdown -r now.

No comments:

Post a Comment