Updating
2. Updating System
Then to Update System in Red Hat Linux
To Update Packages softly with backward compatibility:Copysudo dnf update
Where for a hard one:
Copysudo dnf upgrade
And in case of a suited Kernel Upgrade is Not achieved then you can see: How to Upgrade Kernel on Red Hat
Last, in case of Kernel Update, to Load the New Setup Reboot with:Copysudo reboot
So Now I am truly Happy if My Guide could Help you to Update Red Hat Linux 9!