Techy Things » virtualbox

error: drm/drm.h: No such file or directory

frank — Mon, 29 Jun 2015 21:33:26 +0000

include/drm/drmP.h:70:21: error: drm/drm.h: No such file or directory

Solution
#!/bin/bash


KERNEL_RELEASE=`dir -1rt /usr/src/kernels/ | tail -1`

echo Patching $KERNEL_RELEASE

cd /usr/src/kernels/$KERNEL_RELEASE/include/drm

ln -s /usr/include/drm/drm.h drm.h

ln -s /usr/include/drm/drm_sarea.h drm_sarea.h

ln -s /usr/include/drm/drm_mode.h drm_mode.h

ln -s /usr/include/drm/drm_fourcc.h drm_fourcc.h

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Increase size of a linux partition inside a VirtualBox machine drive (.vdi)

frank — Fri, 26 Jun 2015 16:39:53 +0000

Step 1 : Increase VDI size

Windows Add this to PATH : C:\Program Files\Oracle\VirtualBox

VBoxManage modifyhd --resize

Example: For ~100GB :
VBoxManage modifyhd "CentOS 64-bit Kula.vdi" --resize 110000

Step 2 : Reclaim the size by resizing partitions

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Location of VirtualBox.xml on Mac

frank — Wed, 04 Feb 2015 14:52:05 +0000

/Users//Library/VirtualBox

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Linux guest VM system hangs and crash under VirtualBox 4.3

frank — Tue, 10 Dec 2013 17:13:50 +0000

There is currently a bug under VirtualBox 4.3 when using the most recent 64-bit linux kernels such as on CentOS 6.4 (kernel 2.6.32-431.el6.x86_64).

If you try to downgrade to 4.1, you will have trouble installing guest additions. However with VirtualBox 4.2.20, you will have stability and be able to install VirtualBox guest additions !

VirtualBox 4.1 => Not ok (Guest additions kernel header failure)
VirtualBox 4.2 => OK
VirtualBox 4.3 => Not ok (VT-x code bug)

<< It is my understanding that the VT-x code was heavily reworked in the 4.3 release, so that may be part of the problem. >> -- https://forums.virtualbox.org/viewtopic.php?f=7&t=57842

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How to reduce disk space of .vdi VirtualBox hard-disk with a linux VM (debian)

frank — Fri, 12 Apr 2013 15:56:08 +0000

So you are here because you want to compact your Debian VM .vdi file

Just using the vboxmanage modifyhd /path/to/my.vdi --compact does not do a lot of reduction alone.

You first have to group all the free space together, then --compact will work.

How to group all free space :

Ubuntu / Debian/ Mint :

We will use zerofree utility. To run this we must be running from a boot CD to have access to unmounted partitions. That is not too complicated. Whatever your distribution you can use a Debian live CD/DVD and boot with it.

You first need to modify your software source to use "sid" packages.

Go into Administration > Software Sources
Remove (uncheck) all software sources (including CD-ROMs) :
Add these two software sources :
- deb http://ftp.us.debian.org/debian/ sid main
- deb-src http://ftp.us.debian.org/debian/ sid main
proceed with installation

You can now install zerofree:

sudo apt-get install zerofree

Then verify which partition you want to free using the Applications > System Tools > Disk Utility

sudo zerofree -v /dev/sda1

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