These instructions distilled from https://help.ubuntu.com/community/KVM/Installation.
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
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/starwels/starwels.git git clone git://github.com/devrandom/gitian-builder.git mkdir gitian-builder/inputs cd gitian-builder/inputs # Create base images cd gitian-builder bin/make-base-vm --suite trusty --arch amd64 cd .. # Get inputs (see doc/release-process.md for exact inputs needed and where to get them) ... # For further build instructions see doc/release-process.md ...
gitian-builder now also supports building using LXC. See
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
LXC running inside a virtual machine.
Here’s a description of Gavin’s setup on OSX 10.6:
Download and install VirtualBox from https://www.virtualbox.org/
Download the 64-bit Ubuntu Desktop 12.04 LTS .iso CD image from http://www.ubuntu.com/
Run VirtualBox and create a new virtual machine, using the Ubuntu .iso (see the VirtualBox documentation for details). Create it with at least 2 gigabytes of memory and a disk that is at least 20 gigabytes big.
Inside the running Ubuntu desktop, install:
sudo apt-get install debootstrap lxc ruby apache2 git apt-cacher-ng python-vm-builder
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/starwels/starwels.git … etc