How to install Kernel PAE (Ubuntu)

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How to install Kernel PAE (Ubuntu)

(PAE) stand for Physical Address Extension. It's a feature of x86 and x86-64 processors that allows more than 4 Gigabytes of physical memory to be used in 32-bit systems.

Without PAE kernel, you should see something as follows:

root@penreturns:~$ free -m

Sample output:

To enable PAE, open terminal and type the following command:

root@penreturns:~$ sudo apt-get install linux-headers-server linux-image-server linux-server

Reboot your machine.

Now check again :

root@penreturns:~$ free -m

Sample output:

Enjoy!

*copy code without root@penreturns:~$