EC2에 간단히 mosquitto를 설치하도록 하겠습니다. 1. EPEL 설치 # yum install -y epel-release [root@host /]# yum install -y epel-release Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: download.cf.centos.org * extras: download.cf.centos.org * updates: download.cf.centos.org Resolving Dependencies --> Running transaction check ---> Package epel-release.noarch 0:7-11 will be installed..