To update kernel, enter:
# yum update kernel
Transaction Check Error: installing package kernel-2.6.32-131.2.1.el6.x86_64 needs 8MB on the /boot filesystem Error Summary ------------- Disk Requirements: At least 8MB more space needed on the /boot filesystem.
It means /boot partition is out of disk space. You can verify this with the df command itself, enter:# df -H /boot
To fix this problem deleted all old kernel. To list all installed kernel, enter:# rpm -qa | grep kernel
Sample outputs:
kernel-2.6.32-71.el6.x86_64 kernel-2.6.32-71.29.1.el6.x86_64 kernel-2.6.32-131.0.15.el6.x86_64
Erase older version, enter:# rpm -e kernel-2.6.32-71.el6.x86_64 kernel-2.6.32-71.29.1.el6.x86_64
# df -H /boot
Now, try installing the new updated kernel:# yum -y update kernel
Also apply other updates from RHN, enter:# yum -y update
Finally, reboot the system, enter:# reboot
