lass="nf">Background</span><span class="p">(),</span> <span class="s">&#34;tcp&#34;</span><span class="p">,</span> <span class="s">&#34;localhost:22&#34;</span><span class="p">,</span> <span class="nx">config</span><span class="p">)</span>
	<span class="k">if</span> <span class="nx">err</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="p">{</span>
		<span class="nx">log</span><span class="p">.</span><span class="nf">Fatal</span><span class="p">(</span><span class="nx">err</span><span