Chef port of datetime puppet manifest (https://gist.github.com/andredumas/9612907)

datetime.rb

package "language-pack-en" do
  action :install
end

package "tzdata" do
  action :install
end

link "/etc/localtime" do
  to "/usr/share/zoneinfo/Australia/Melbourne"
end

file "/etc/timezone" do
  content "Australia/Melbourne\n"
end

execute "reconfigure-timezone" do
  command "/usr/sbin/dpkg-reconfigure --frontend noninteractive tzdata"
  action :nothing
end

execute "gen-locale" do
  command "/usr/sbin/locale-gen en_AU.UTF-8"
  action :nothing
end