Changes

# {{Admon/important |Yum Update Hangs|If you experience yum update "hanging" around item 689 of over 1200 packages, issue the following commands:<br><source>pkill systemctlyum clean allyum update</source>'''NOTE:''' Do NOT press '''&lt;ctrl&gt;c''' since it may cause your machine to cause a kernel panic when you restart your machine.}} <ol><li value="3">As root, install the virtualization software by issuing the command:<br><b><code><span style="color:#3366CC;font-size:1.2em;">yum install qemu-kvm qemu-img virt-manager libvirt libvirt-python \<br>python-virtinst libvirt-client virt-install virt-viewer bridge-utils</span></code></b> <br><br></li># <li>'''Restart your c7host virtual machine'''. If you fail to do this, you may experience virtualization network problems.

<ol/li><li value="5">Start the virtualization service: <b><code><span style="color:#3366CC;font-size:1.2em;">systemctl start libvirtd</span></code></b><br><br>'''NOTE:''' The most recent variants of Centos and Fedora are using a service called '''firewalld''' that is intended to replace '''iptables''', however the ''iptables'' service is still in relatively common usage. In this course we will concentrate on ''iptables''.<br><br></li>