How to install/update Intel microcode firmware on Linux

The Intel microcode firmware update can be installed or updated on Linux using the following steps:

Determine the version of your processor:

$ cat /proc/cpuinfo | grep -m1 "model name"

Download the appropriate firmware update package from Intel’s website or your Linux distribution’s repository.
Install the firmware update package using the package manager for your distribution:
- For Debian-based distributions:
```
$ sudo apt-get update
n$ sudo apt-get install intel-microcode
```
- For Red Hat-based distributions:
```
$ sudo yum update
$ sudo yum install microcode_ctl
```
Reboot the system for the changes to take effect.

Note: The steps and commands may vary slightly depending on your Linux distribution and version.