title: Docker container won't run 32 bit iperf executable copied with wget
body: <p>Though iperf is successfully installed inside the container, Docker doesn't recognize it:</p>
  
  <p>Docker version:</p>
  
  <pre><code>$ sudo docker version
  Client version: 1.0.1
  Client API version: 1.12
  Go version (client): go1.2.1
  Git commit (client): 990021a
  Server version: 1.0.1
  Server API version: 1.12
  Go version (server): go1.2.1
  Git commit (server): 990021a
  </code></pre>
  
  <p>Image inf.</p>
  
  <pre><code>root@15cb22522f30:/#uname -a &amp;&amp; cat /etc/lsb-release 
  Linux f93f33213b2a 3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=14.04
  DISTRIB_CODENAME=trusty
  DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"
  </code></pre>
  
  <p>iperf package installation:</p>
  
  <pre><code>root@15cb22522f30:/#wget https://iperf.fr/download/iperf_2.0.2/iperf_2.0.2-4_i386
  root@15cb22522f30:/#chmod +x iperf_2.0.2-4_i386
  root@15cb22522f30:/#sudo mv iperf_2.0.2-4_i386 /usr/bin/iperf
  </code></pre>
  
  <p>File located:</p>
  
  <pre><code>root@15cb22522f30:/# which iperf
  /usr/bin/iperf
  </code></pre>
  
  <hr>
  
  <p><strong>Docker doesn't recognize it:</strong></p>
  
  <pre><code>root@15cb22522f30:/# iperf
  bash: /usr/bin/iperf: No such file or directory
  </code></pre>