Access More Than 4Gb RAM on Linux 32bit




This is for Novice Linux Admins who is looking for a way to access > 4gb ram on Linux 32 bit Machines. By default 32bit architecture has limitation of 4gb memory access, by either switching to 64bit os or using PAE kernel you can access > 4gb physical memory.
PAE (Physical Address Extension) kernel is available on almost every distro.

On Fedora / RHEL / CentOS
yum install kernel-PAE

On Ubuntu

apt-get install linux-generic-pae

Once you have kernel-pae installed, you can access memory upto 64gb.

Read More about PAE


if you find any missing point in here, please let us know in comment section or tweet us at @linuxreaders. To get more articles like this, subscribe to our RSS feeds / Mails.
Read 240 articles by

Trending Posts