public Boolean getInstallUpdatesOnBoot() {
        return this.installUpdatesOnBoot;
    }
<p>
Whether to install operating system and package updates when the instance boots. The default value is
<code>true</code>. If this value is set to <code>false</code>, you must update instances manually by using
<a>CreateDeployment</a> to run the <code>update_dependencies</code> stack command or by manually running
<code>yum</code> (Amazon Linux) or <code>apt-get</code> (Ubuntu) on the instances.
</p>
<note>
<p>
We strongly recommend using the default value of <code>true</code> to ensure that your instances have the latest
security updates.
</p>
</note>

@return Whether to install operating system and package updates when the instance boots. The default value is
        <code>true</code>. If this value is set to <code>false</code>, you must update instances manually by
        using <a>CreateDeployment</a> to run the <code>update_dependencies</code> stack command or by manually
        running <code>yum</code> (Amazon Linux) or <code>apt-get</code> (Ubuntu) on the instances. </p> <note>
        <p>
        We strongly recommend using the default value of <code>true</code> to ensure that your instances have the
        latest security updates.
        </p>
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/Instance.java