title: Cannot start memcached
body: <p>I cannot get <code>memcached</code> to run on my server.<br>
  This is what I tried so far: </p>
  
  <pre><code>% sudo systemctl start memcached # no output
  % sudo systemctl status memcached.service
  ● memcached.service - memcached daemon
     Loaded: loaded (/lib/systemd/system/memcached.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Sun 2020-02-16 17:45:09 CET; 4s ago
    Process: 22725 ExecStart=/usr/share/memcached/scripts/systemd-memcached-wrapper /etc/memcached.conf (code=exited, status=71)
   Main PID: 22725 (code=exited, status=71)
  
  systemd[1]: Started memcached daemon.
  systemd-memcached-wrapper[22725]: bind(): Cannot assign requested address
  systemd-memcached-wrapper[22725]: failed to listen on TCP port 11211: Cannot assign requested address
  systemd[1]: memcached.service: Main process exited, code=exited, status=71/n/a
  systemd[1]: memcached.service: Unit entered failed state.
  systemd[1]: memcached.service: Failed with result 'exit-code'.
  </code></pre>
  
  <p>I am running Ubuntu 16.04.6 LTS  </p>
  
  <p>How can I start my memcached service? </p>