The VPS on Linode uses the latest 4.1.5 kernel directly provided by Linode, and you can modify the kernel version to the version you want in node profile and then use Pv-grub to run the latest kernel provided by the familiar distribution.
1. Upgrade System software
Yum Update
2, view current kernel version
Uname-a
3, install the new version to provide the kernel (record the kernel version number of the newly installed)
Yum Install kernel.x86_64
4, installation Grub,linode is not installed by default
Yum Install Grub
5. Edit the boot image
Cd/boot/grub
Ls/boot can see the vmlinuz-newly installed kernel version number, initramfs-the newly installed kernel version number. img
6. Create a new Menu.lst file and add the following:
VI menu.lst
Timeout 5
Title CentOS (newly installed kernel version number)
Root (hd0)
kernel/boot/vmlinuz-the newly installed kernel version number Root=/dev/xvda
initrd/boot/initramfs-the newly installed kernel version number. img
7, in the Linode Manager interface, edit the Linode ' s configuration profile, change kernel to pv-grub-x86_64, save after saving on dashboard tab, click Reboot.
8, reboot after the system uname-a found kernel version number for the new installation of the kernel version number, that is, complete the change.
Reference https://www.linode.com/docs/tools-reference/custom-kernels-distros/ Run-a-distributionsupplied-kernel-with-pvgrub#centos-6-and-newer
Linode CentOS 6.5 x86_64 Change kernel