Update the kernel

- [Instructor] In chapter two,…we looked at how to change the default kernel…using the grub2 set default command.…Now let's look into updating the kernel.…First let's list our currently installed kernel packages.…In a terminal, typ in sudo, space, yum space, list space,…installed space, kernel hyphen asterisk, and hit enter.…The item with the line under it is our current kernel.…On my system the version is 3.10.0-514.…Your version may be different than this.…

This means the major version is three,…the major revision is 10, the kernel patch version is zero,…and the Red Hat version is 514.…It's built for Enterprise Linux 7,…and it's compiled for 64-bit CPUs.…The installed kernels reside in slash boot.…Type in clear, and then let's list slash boot…by typing in ls space, dash l,…space slash boot, and hit enter.…The kernels are named vmlinuz.…

We also have ram disk images and configuration files.…To see our current kernel, use the uname command.…Type in uname space dash r, hit enter.…This will show the exact kernel release that's running,…