Linux kernel update


We are going to see Linux kernel update in this post.
Note: Here kernel is already upgraded one. So, we can’t show different here

Using “uname -r” command will check the current kernel version.

[[email protected] ~]# uname -r
3.10.0-514.el7.x86_64


To update the kernel use the below command.
[[email protected] ~]# yum install kernel*



Again use the uname -r command to check whether the kernel has been updated or not.
[[email protected] ~]# uname -r
3.10.0-514.el7.x86_64

Will undo the upgrade or installation using yum. For that have to check the current activity of yum using “yum history list”

We can use the ID to undo the upgrade/ installed packages.

Now am going to use ID 8 do undo the kernel upgrade

#yum history undo 8

Linux kernel update


Now use the "yum history list" command to check

Again will check whether the kernel upgrade has been removed or not.

Will use same yum option to upgrade/ undo any packages in Linux.

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