Linux kernel Upgrade

LINUX Kernel Upgrade

Linux Kernel website

https://www.kernel.org/

POST BIOS (Boot sequence) selects the boot device sequence in the MBR to see if there is a bootstrapper,----> MBR (bootloader) provides a list of cores-------> Loads the selected KERNEL,INITRD ( Memory emulated disk device requires cache), Initramfs (cache)----> get to root filesystem and mount, run Init

Set the default run level

Defines the system initialization scripts that are running,

Run the service under the start of the S, close the K-Start service

Ctrlaltdel

Start character terminal

Start the graphics terminal

/etc/rc.sysinit

Set host name

Activating SELinux and Udev

Hanging on file system

Activate swap

Re-mount and file system in read/write mode

System kernel Parameters

System clock

Keyboard mapping

Load Additional Drivers

Linux kernel Upgrade