docs/en-US/hypervisor-host-install-security-policies.xml

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<section id="hypervisor-host-install-security-policies">
    <title>Configure the Security Policies</title>
    <para>&PRODUCT; does various things which can be blocked by security mechanisms like AppArmor and SELinux. These have to be disabled to ensure the Agent has all the required permissions.</para>
    <orderedlist>
        <listitem>
            <para>Configure SELinux (RHEL and CentOS)</para>
            <orderedlist numeration="loweralpha">
                <listitem>
                    <para>Check to see whether SELinux is installed on your machine. If not, you can skip this section.</para>
                    <para>In RHEL or CentOS, SELinux is installed and enabled by default. You can verify this with:</para>
                    <programlisting language="Bash"><command>$ rpm -qa | grep selinux</command></programlisting>
                </listitem>
                <listitem>
                    <para>Set the SELINUX variable in <filename>/etc/selinux/config</filename> to "permissive". This ensures that the permissive setting will be maintained after a system reboot.</para>
                    <para>In RHEL or CentOS:</para>
                    <programlisting language="Bash">vi /etc/selinux/config</programlisting>
                    <para>Change the following line</para>
                    <programlisting>SELINUX=enforcing</programlisting>
                    <para>to this</para>
                    <programlisting>SELINUX=permissive</programlisting>
                </listitem>
                <listitem>
                    <para>Then set SELinux to permissive starting immediately, without requiring a system reboot.</para>
                    <programlisting language="Bash"><command>$ setenforce permissive</command></programlisting>
                </listitem>
            </orderedlist>
        </listitem>
        <listitem>
            <para>Configure Apparmor (Ubuntu)</para>
            <orderedlist numeration="loweralpha">
                <listitem>
                    <para>Check to see whether AppArmor is installed on your machine. If not, you can skip this section.</para>
                    <para>In Ubuntu AppArmor is installed and enabled by default. You can verify this with:</para>
                    <programlisting language="Bash"><command>$ dpkg --list 'apparmor'</command></programlisting>
                </listitem>
                <listitem>
                    <para>Disable the AppArmor profiles for libvirt</para>
                    <programlisting language="Bash"><command>$ ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/</command></programlisting>
                    <programlisting language="Bash"><command>$ ln -s /etc/apparmor.d/usr.lib.libvirt.virt-aa-helper /etc/apparmor.d/disable/</command></programlisting>
                    <programlisting language="Bash"><command>$ apparmor_parser -R /etc/apparmor.d/usr.sbin.libvirtd</command></programlisting>
                    <programlisting language="Bash"><command>$ apparmor_parser -R /etc/apparmor.d/usr.lib.libvirt.virt-aa-helper</command></programlisting>
                </listitem>
            </orderedlist>
        </listitem>
    </orderedlist>
</section>