installation, configuration, customization of zimbra ZCO Troubleshooting Installation • Using the Zimbra Admin Console • Using CLI tools • Zimbra Collaboration System Care (monitoring system logs, queues, and other resources) • Backup & Restore in Zimbra Collaboration: scheduling and using the Admin Console • Bugzilla and Support Portal • Performance tuning • Migration options & planning • Upgrading Zimbra Collaboration • Upgrade troubleshooting and general system troubleshooting tips • Personalizing Zimbra Collaboration deployment - Zimlets, Custom Skins/Themes • Zimbra Collaboration Multi-Node Deployment • Architecture and Storage C