Re: A question about switching kernels

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hello Samuel,


Oh dear, all right, will see if i can get access to the grub menu, being blind, i guess I'll have to set the grub timeout to maybe 15 seconds, just to get it right.

Is there a way to remove the old kernel, if i miraculusly manage to select the latest kernel, or is it unsafe?

Thanks again.

best regards,

Francisco.

On 3/9/21 9:26 AM, Samuel Sieb wrote:
On 3/8/21 10:55 PM, Francisco Tissera wrote:
Just a few minutes ago, i updated my system, and found out that from kernel version 5.10.19, there was an upgrade to 5.10.20, which I gladly did.

Well, when i, after rebooting, typed uname -r, I found out that i was still using kernel 5.10.19, instead of 20.

Is there a way to switch to the new installed kernel and remove the old one, is it safe to do so? if so, how?

By default, dnf will keep the latest 3 kernels, so you can go back to a previous one if something goes wrong.  However, the new kernel should be the default one.  Reboot again and make sure you select the latest kernel from the grub menu.  Hopefully, it will stick after that.
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