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Setup/questions for GRS kernel - Need help please

PostPosted: Thu Apr 17, 2014 9:13 am
by CBG

I have a OVH VPS with vmware, running CentOS 6.5 and cPanel/WHM so can have a custom kernel.
I did have a kernel but replaced it with the CentOS version as it was causing issues with ConfigServer Firewall (CSF).

I would like to put back on the GRS kernel, but with my own setup and am a little lost, so far I have got the following noted

wget ... .57.tar.gz
wget ... 1252.patch

tar -xf linux-3.2.57.tar
cd linux-3.2.57
patch -p1 < ../grsecurity-3.0-3.2.57-201404131252.patch

make menuconfig

Now for the questions:

1. Where do I download the 2 files, can they go anywhere?

2. Once I have patched it and configured it do I copy it into the /boot/ folder?

3. Is it just the one file I need to copy into the boot folder?

4. Then I presume I update the grub.conf with the new kernel, like the below:

Code: Select all

        title linux centos6-cpanel11_64
        kernel /boot/kernel_filename root=/dev/sda1  ro
        root (hd0,0)

5. Can I re-config it, if I forget to add something, by repeating the make menuconfig?

Any help would be great, I have never patch a kernel, but I think i have config one, once.