docker install

docker-install

: << USAGE
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curl -L https://gist.githubusercontent.com/akanto/3bc6140a4aadece4677c/raw/7dc1661b3ce1e665e2bde82ba43f81c43d4e9bc4/docker-install | bash
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USAGE


debug() {
    [[ "$DEBUG" ]] && echo "-----> $*" 1>&2
}

install_utils() {
  yum -y install unzip curl git wget bind-utils ntp
}

permissive_iptables() {
  # need to install iptables-services, othervise the 'iptables save' command will not be available
  yum -y install iptables-services net-tools

  iptables --flush INPUT
  iptables --flush FORWARD
  service iptables save
}

disable_selinux() {
  setenforce 0
  sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
}

install_docker() {
  curl -sSL https://get.docker.com/ | sh
  service docker start
  systemctl enable docker.service
}

main() {
    install_utils
    disable_selinux
    permissive_iptables
    install_docker
}

[[ "$0" == "$BASH_SOURCE" ]] && main "$@"