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[http://man7.org/linux/man-pages/man1/chmod.1.html chmod]<br>
[http://ss64.com/vi.html vi]
|valign="top" style="text-align:right;"|Matrix Online Tutorials:<br><ul><li>Shell Scripting - Part 2 (Logic & Math Expressions):<br>'''/home/murray.saul/scripting-2'''</li><li>Shell Scripting - Part 3 (Loops)<br>'''/home/murray.saul/scripting-3'''</li></ul>
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:::* A graphical tool for managing virtual machines ('''virt-manager''') and the '''virsh''' command-line tool.<br><br>
<ol>
<li value="7">Start the virtualization service: <b><code><span style="color:#3366CC;font-size:1.2em;">service libvirtd start</span></code></b><br></li></ol>'''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>
<ol><li value="8">To Disable firewalld issue the following commands:<br>
<b><code><span style="color:#3366CC;font-size:1.2em;">systemctl disable firewalld</span></code></b><br>
