title: Start mongo failed
body: <p>I get an error when I try to start mongo using the "mongod" command (on Macintosh).</p>
  
  <pre><code>all output going to: /usr/local/var/log/mongodb/mongo.log
  </code></pre>
  
  <p>My logs :</p>
  
  <pre><code>***** SERVER RESTARTED *****
  
  
  Tue Oct 29 13:15:48.783 [initandlisten] MongoDB starting : pid=859 port=27017 dbpath=/usr/local/var/mongodb 64-bit host=MacBook-Pro-de-Anthony
  Tue Oct 29 13:15:48.784 [initandlisten] db version v2.4.4
  Tue Oct 29 13:15:48.784 [initandlisten] git version: 4ec1fb96702c9d4c57b1e06dd34eb73a16e407d2
  Tue Oct 29 13:15:48.784 [initandlisten] build info: Darwin bs-osx-106-x86-64-2.10gen.cc 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun  7 16:32:41 PDT 2011; root:xnu-1504.15.3~1/RELEASE_X86_64 x86_64 BOOST_LIB_VERSION=1_49
  Tue Oct 29 13:15:48.784 [initandlisten] allocator: system
  Tue Oct 29 13:15:48.784 [initandlisten] options: { bind_ip: "127.0.0.1", config: "/usr/local/etc/mongod.conf", dbpath: "/usr/local/var/mongodb", logappend: "true", logpath: "/usr/local/var/log/mongodb/mongo.log" }
  Tue Oct 29 13:15:48.784 [initandlisten] journal dir=/usr/local/var/mongodb/journal
  Tue Oct 29 13:15:48.784 [initandlisten] recover : no journal files present, no recovery needed
  Tue Oct 29 13:15:48.801 [initandlisten] ERROR: listen(): bind() failed errno:48 Address already in use for socket: 127.0.0.1:27017
  Tue Oct 29 13:15:48.801 [websvr] ERROR: listen(): bind() failed errno:48 Address already in use for socket: 127.0.0.1:28017
  Tue Oct 29 13:15:48.801 [initandlisten] ERROR:   addr already in use
  Tue Oct 29 13:15:48.801 [websvr] ERROR:   addr already in use
  Tue Oct 29 13:15:48.801 [initandlisten] now exiting
  Tue Oct 29 13:15:48.801 dbexit: 
  Tue Oct 29 13:15:48.801 [initandlisten] shutdown: going to close listening sockets...
  Tue Oct 29 13:15:48.801 [initandlisten] shutdown: going to flush diaglog...
  Tue Oct 29 13:15:48.801 [initandlisten] shutdown: going to close sockets...
  Tue Oct 29 13:15:48.801 [initandlisten] shutdown: waiting for fs preallocator...
  Tue Oct 29 13:15:48.801 [initandlisten] shutdown: lock for final commit...
  Tue Oct 29 13:15:48.801 [initandlisten] shutdown: final commit...
  Tue Oct 29 13:15:48.802 [initandlisten] shutdown: closing all files...
  Tue Oct 29 13:15:48.802 [initandlisten] closeAllFiles() finished
  Tue Oct 29 13:15:48.802 [initandlisten] journalCleanup...
  Tue Oct 29 13:15:48.802 [initandlisten] removeJournalFiles
  Tue Oct 29 13:15:48.803 [initandlisten] shutdown: removing fs lock...
  Tue Oct 29 13:15:48.803 dbexit: really exiting now
  </code></pre>
  
  <p>UPDATE:</p>
  
  <p>When I execute the "mongo" command :</p>
  
  <pre><code>MacBook-Pro-de-Anthony:Sites anthonycluse$ mongo
  MongoDB shell version: 2.4.4
  connecting to: test
  Server has startup warnings: 
  Tue Oct 29 11:43:15 [initandlisten] 
  Tue Oct 29 11:43:15 [initandlisten] ** WARNING: soft rlimits too low. Number of files is 256, should be at least 1000
  &gt; show dbs;
  anthonycluse    (empty)
  local   (empty)
  &gt; 
  </code></pre>
  
  <p>It means that the username is "test" no?</p>
  
  <p>UPDATE 2 :</p>
  
  <p>The "show users;" command :</p>
  
  <pre><code>MacBook-Pro-de-Anthony:Sites anthonycluse$ mongo
  MongoDB shell version: 2.4.4
  connecting to: test
  Server has startup warnings: 
  Tue Oct 29 11:43:15 [initandlisten] 
  Tue Oct 29 11:43:15 [initandlisten] ** WARNING: soft rlimits too low. Number of files is 256, should be at least 1000
  &gt; show users;
  &gt; 
  </code></pre>