Japanatron Logo

This example was done on Ubuntu server.

* Enable VM direct I/O in the BIOS.
* Open /etc/default/grub using an editor like nano or something.
* Find GRUB_CMDLINE_LINUX_DEFAULT and add intel_iommu=on as a parameter.  Make sure it's lowercase.  Save and exit.
* update-grub
* shutdown -r now
* dmesg | grep -e DMAR -e IOMMU and you should see a line in there stating that IOMMU is enabled.

Related Articles

How To Build an Ubuntu Web Ser...

The following is a task outline for building an Ubuntu-based web-server to run Joomla and JomSocial.  I created this for my own notes, so apologies if it's...

Why Linux is Cool

Linux proudly sits in a very special place in the heart of the IT world. Watching Linux pros clack away at the command line inspires a sense of awe and ador...

FreeNAS - Bi-Directional Rsync...

Go to /root on 1st server. ssh root@server1 cd /root FreeNAS OS drive is mounted read-only, so mount it RW. mount -o rw / Generate an RSA key & leave the ...

Zimbra - How to Stop Automatic...

By default Zimbra automatically discards inbound mail that receives a high spam score (aka "super spam").  Although the score is configurable up to 100, this de...