title: Mosquitto installation in My Ubuntu 14.04
body: <p>I want to install Mosquitto in My Ubuntu 14.04 LTS </p>
  
  <pre><code>sudo apt-add-repository ppa:mosquitto-dev/mosquitto-ppa
  sudo apt-get update
  sudo apt-get install mosquitto-clients
  </code></pre>
  
  <p>but I have an error testing the installation:</p>
  
  <pre><code>devuser@localhost:~$ mosquitto_sub -t '$SYS/#' -v
  Error: Connection refused
  </code></pre>
  
  <p>pinging the host from outside is fine:</p>
  
  <pre><code>ping 199.162.221.117
  PING 199.162.221.117 (199.162.221.117): 56 data bytes
  64 bytes from 199.162.221.117: icmp_seq=0 ttl=55 time=102.234 ms
  </code></pre>
  
  <p>but not </p>
  
  <pre><code>ping 199.162.221.117:1883
  ping: cannot resolve 199.162.221.117:1883: Unknown host
  </code></pre>
  
  <p>also</p>
  
  <pre><code>devuser@localhost:~$ sudo start mosquitto
  [sudo] password for devuser: 
  start: Unknown job: mosquitto
  </code></pre>
  
  <p>also</p>
  
  <pre><code>devuser@localhost:~$ sudo /etc/init.d/mosquitto start
  sudo: /etc/init.d/mosquitto: command not found
  </code></pre>