emqtt有监控界面，集群配置也非常简单。
# yum -y update
# yum install unzip vim wget xsltproc fop tk unixODBC unixODBC-devel make gcc gcc-c++ kernel-devel m4 ncurses-devel openssl-devel lksctp-tools
# wget http://erlang.org/download/otp_src_19.3.tar.gz
# tar zxf otp_src_19.3.tar.gz
# ./configure --prefix=/usr/local/erlang --without-javac
# make&&make install
# vim /etc/profile
ERL_HOME=/usr/local/erlang
PATH=$ERL_HOME/bin:$PATH
export ERL_HOME PATH
# source /etc/profile
# erl
表示erlang安装成功
# wget http://emqtt.com/static/brokers/emqttd-centos6.8-v2.1.0-beta.1.zip
# unzip emqttd-centos6.8-v2.1.0-beta.1.zip
# cd emqttd/bin
# ./eqmttd start
