From the course: Red Hat Certified System Administrator (EX200) Cert Prep: 1 Deploy, Configure, and Manage (2021)

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Update the kernel

Update the kernel

- [Instructor] Installing kernels can be as easy as running a system update and rebooting. However, it may be beneficial to know more about the process and how to install specific kernels as well as choose older kernels if things don't go well. Let's look at updating the kernel. First let's list our currently installed kernel packages type in dnf space lists space kernel and hit enter. The items that are bold belong to our current kernel and include the kernel itself along with modules and tools. On my system, the version is 4.18.0 and my release is 193.el8. Your version and releases may be different than this. This means the major version is four, the major revision is 18, the kernel patch is zero and the red hat release is 193. It's built for enterprise Linux eight and it's compiled for 64 bit CPU's. The installed kernels reside in slash boot. Let's list the contents of this directory, type in clear, and then type in ls…

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