Upgrading kernel using rpm
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As a server security measure you may need to upgrade kernel version of your linux dedicated server which is an important task. Using following steps you can easily upgrade kernel version..
Steps : —
login to your Linux Dedicated Server as root user.
You need to check current kernel version using #uname –r
You can download the latest available kernel from kernel.org
http://rpm.pbone.net/index.php3/stat/3/srodzaj/2/search/kernel-2.4.21-47.0.1.EL.src.rpm
rpm -ihv kernel-smp-2.4.21-47.0.1.EL.i686.rpm
Now edit grub.conf and verify if new kernel is available or not. If you need to have this new kernel as default kernel you will have to make sure that it is available before previous one and default option is 0 in /boot/grub/grub.conf
Finally you will have to reboot the dedicated server using #shutdown -r now
That’s all you have latest version of kernel installed on your server
