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+### Gavin's notes on getting gitian builds up and running using KVM:###
+
+These instructions distilled from:
+[  https://help.ubuntu.com/community/KVM/Installation](  https://help.ubuntu.com/community/KVM/Installation)
+... see there for complete details.
+
+You need the right hardware: you need a 64-bit-capable CPU with hardware virtualization support (Intel VT-x or AMD-V). Not all modern CPUs support hardware virtualization.
+
+You probably need to enable hardware virtualization in your machine's BIOS.
+
+You need to be running a recent version of 64-bit-Ubuntu, and you need to install several prerequisites:
+
+	sudo apt-get install ruby apache2 git apt-cacher-ng python-vm-builder qemu-kvm
+
+Sanity checks:
+
+	sudo service apt-cacher-ng status  # Should return apt-cacher-ng is running
+	ls -l /dev/kvm   # Should show a /dev/kvm device
+
+
+Once you've got the right hardware and software:
+
+    git clone git://github.com/bitcoin/bitcoin.git
+    git clone git://github.com/devrandom/gitian-builder.git
+    mkdir gitian-builder/inputs
+    cd gitian-builder/inputs
+
+    # Inputs for Linux and Win32:
+    wget -O miniupnpc-1.6.tar.gz 'http://miniupnp.tuxfamily.org/files/download.php?file=miniupnpc-1.6.tar.gz'
+    wget 'http://fukuchi.org/works/qrencode/qrencode-3.2.0.tar.bz2'
+    
+	# Inputs for Win32: (Linux has packages for these)
+    wget 'https://downloads.sourceforge.net/project/boost/boost/1.50.0/boost_1_50_0.tar.bz2'
+    wget 'http://www.openssl.org/source/openssl-1.0.1c.tar.gz'
+    wget 'http://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz'
+    wget 'https://downloads.sourceforge.net/project/libpng/zlib/1.2.6/zlib-1.2.6.tar.gz'
+    wget 'https://downloads.sourceforge.net/project/libpng/libpng15/older-releases/1.5.9/libpng-1.5.9.tar.gz'
+    wget 'https://download.qt-project.org/archive/qt/4.8/4.8.3/qt-everywhere-opensource-src-4.8.3.tar.gz'
+    wget 'http://protobuf.googlecode.com/files/protobuf-2.5.0.tar.bz2'
+    cd ../..
+
+    cd gitian-builder
+    bin/make-base-vm --arch i386
+    bin/make-base-vm --arch amd64
+    cd ..
+
+    # Build Linux release:
+    cd bitcoin
+    git pull
+    cd ../gitian-builder
+    git pull
+    ./bin/gbuild --commit bitcoin=HEAD ../bitcoin/contrib/gitian-descriptors/gitian.yml
+
+    # Build Win32 dependencies: (only needs to be done once, or when dependency versions change)
+    ./bin/gbuild --commit bitcoin=HEAD ../bitcoin/contrib/gitian-descriptors/boost-win32.yml
+    ./bin/gbuild --commit bitcoin=HEAD ../bitcoin/contrib/gitian-descriptors/deps-win32.yml
+    ./bin/gbuild --commit bitcoin=HEAD ../bitcoin/contrib/gitian-descriptors/qt-win32.yml
+    ./bin/gbuild --commit bitcoin=HEAD ../bitcoin/contrib/gitian-descriptors/protobuf-win32.yml
+
+    # Build Win32 release:
+    ./bin/gbuild --commit bitcoin=HEAD ../bitcoin/contrib/gitian-descriptors/gitian-win32.yml
+
+---------------------
+
+`gitian-builder` now also supports building using LXC. See
+[  https://help.ubuntu.com/12.04/serverguide/lxc.html](  https://help.ubuntu.com/12.04/serverguide/lxc.html)
+... for how to get LXC up and running under Ubuntu.
+
+If your main machine is a 64-bit Mac or PC with a few gigabytes of memory
+and at least 10 gigabytes of free disk space, you can `gitian-build` using
+LXC running inside a virtual machine.
+
+Here's a description of Gavin's setup on OSX 10.6:
+
+1. Download and install VirtualBox from [https://www.virtualbox.org/](https://www.virtualbox.org/)
+
+2. Download the 64-bit Ubuntu Desktop 12.04 LTS .iso CD image from
+   [http://www.ubuntu.com/](http://www.ubuntu.com/)
+
+3. Run VirtualBox and create a new virtual machine, using the Ubuntu .iso (see the [VirtualBox documentation](https://www.virtualbox.org/wiki/Documentation) for details). Create it with at least 2 gigabytes of memory and a disk that is at least 20 gigabytes big.
+
+4. Inside the running Ubuntu desktop, install:
+
+	sudo apt-get install debootstrap lxc ruby apache2 git apt-cacher-ng python-vm-builder
+
+5. Still inside Ubuntu, tell gitian-builder to use LXC, then follow the "Once you've got the right hardware and software" instructions above:
+
+	export USE_LXC=1
+	git clone git://github.com/bitcoin/bitcoin.git
+	... etc
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