[root@localhost ~]# yum update kernel
Setting up Update Process
Setting up repositories
Reading repository metadata in from local files
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for kernel to pack into transaction set.
kernel-2.6.9-34.EL.i686.r 100% |=========================| 175 kB 00:01
---> Package kernel.i686 0:2.6.9-34.EL set to be installed
--> Running transaction check
Dependencies Resolved
=============================================================================
Package Arch Version Repository Size
=============================================================================
Installing:
kernel i686 2.6.9-34.EL update 10 M
Transaction Summary
=============================================================================
Install 1 Package(s)
Update 0 Package(s)
Remove 0 Package(s)
Total download size: 10 M
Is this ok [y/N]: y
Downloading Packages:
(1/1): kernel-2.6.9-34.EL 100% |=========================| 10 MB 00:57
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Installing: kernel ######################### [1/1]
Installed: kernel.i686 0:2.6.9-34.EL
Complete!