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<title> rabbitmqctl: Error unable to connect to node
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<a href="https://frommelmak.com/rabbitmqctl-error-unable-to-connect-to-node.html" rel="bookmark" title="Permalink to rabbitmqctl: Error unable to connect to node">rabbitmqctl: Error unable to connect to node</a>
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<p>If you are running <code>rabbitmqctl</code> with a different user than the one used by server, you will get an error like this:</p>
<div class="highlight pygments-style-monokai rounded shadow-sm mb-3"><pre><span></span><code>rabbitmqctl status Status of node rabbit@foo
Error: unable to connect to node rabbit@foo: nodedown
- home dir: /root
- cookie hash: <span class="nv">0fWPcZtM431dRX003r6OAg</span><span class="o">==</span>
</code></pre></div>
<p>This is because the cookie stored in your home directory <code>.erlang.cookie</code> differs from the cookie used by the server instance.</p>
<p>The cookie file used by the server is inside the home dir used by the server. You can see the location of the home dir in the stdout of the rabbitmq server during the startup. Something like:</p>
<div class="highlight pygments-style-monokai rounded shadow-sm mb-3"><pre><span></span><code><span class="go">home dir : /opt/rabbitmq/var/lib/rabbitmq</span>
<span class="go">cookie hash : NNYm39bSA1i7yB+fQjTdiOJK</span>
</code></pre></div>
<p>To solve the problem, just copy the <code>.erlang.cookie</code> in the home dir of the user you are using to execute the rabbitmqclt command line.</p>
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