Use sudo to apt-get install lxc
Open port 80 on Debian or Ubuntu host
Merge pull request #2 from hnakamur/debian_iptables

Open port 80 on Debian or Ubuntu host
Merge pull request #3 from hnakamur/sudo_for_apt_get_install_lxc

Use sudo to apt-get install lxc
Use role variable in domain-name-servers for RedHat OS famly
Prepend dnsmasq in resolv.conf in Debian OS family