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'''yum update'''
<ol>
<li value="5">Use yum to install the '''bind-utils ''' package. The commands it provides (e.g. nslookup) will be useful in troubleshooting your network connection.</li>
<li>Configure the virtual machine to use iptables (instead of firewalld) the same way you did for the host.</li>
<li>Reboot the virtual machine once it is updated.</li>
