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Creating template on Ubuntu

Rootfs can be downloaded from here as well: http://images.linuxcontainers.org/images/ubuntu/trusty/amd64/default/

1. Install lxc: apt-get install lxc

2. Create  a container with any name, in our case 'ubuntu':

   sudo lxc-create --template=debian t download -n ubuntu -- --name=dist ubuntu --release trusty --release=wheezy arch amd64

   
   

3. Creation of the LXC container will take a lot of time, it will be stored here: /var/lib/lxc/ubuntu

   
   

4. Next stop the container:
   sudo lxc-stop -n ubuntu

   
   

5. Next create a temp director, tar the rootfs and export the template:
   mkdir -p /tmp/lxc-template
   cd /tmp/lxc-template
   sudo tar --numeric-owner -czf /tmp/lxc-template/template.tar.gz /var/lib/lxc/ubuntu/rootfs/
    
    

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