+[thumbnail="screenshot/gui-datacenter-search.png"]
+
+On the datacenter level, you can access cluster-wide settings and information.
+
+* *Search:* perform a cluster-wide search for nodes, VMs, containers, storage
+ devices, and pools.
+
+* *Summary:* gives a brief overview of the cluster's health and resource usage.
+
+* *Cluster:* provides the functionality and information necessary to create or
+ join a cluster.
+
+* *Options:* view and manage cluster-wide default settings.
+
+* *Storage:* provides an interface for managing cluster storage.
+
+* *Backup:* schedule backup jobs. This operates cluster wide, so it doesn't
+ matter where the VMs/containers are on your cluster when scheduling.
+
+* *Replication:* view and manage replication jobs.
+
+* *Permissions:* manage user, group, and API token permissions, and LDAP,
+ MS-AD and Two-Factor authentication.
+
+* *HA:* manage {pve} High Availability.
+
+* *ACME:* set up ACME (Let's Encrypt) certificates for server nodes.
+
+* *Firewall:* configure and make templates for the Proxmox Firewall cluster wide.
+
+* *Metric Server:* define external metric servers for {pve}.
+
+* *Support:* display information about your support subscription.
+
+
+Nodes
+~~~~~
+
+[thumbnail="screenshot/gui-node-summary.png"]
+
+Nodes in your cluster can be managed individually at this level.
+
+The top header has useful buttons such as 'Reboot', 'Shutdown', 'Shell',
+'Bulk Actions' and 'Help'.
+'Shell' has the options 'noVNC', 'SPICE' and 'xterm.js'.
+'Bulk Actions' has the options 'Bulk Start', 'Bulk Stop' and 'Bulk Migrate'.
+
+* *Search:* search a node for VMs, containers, storage devices, and pools.
+
+* *Summary:* display a brief overview of the node's resource usage.
+
+* *Notes:* write custom comments in xref:markdown_basics[Markdown syntax].
+
+* *Shell:* access to a shell interface for the node.
+
+* *System:* configure network, DNS and time settings, and access the syslog.
+
+* *Updates:* upgrade the system and see the available new packages.
+
+* *Firewall:* manage the Proxmox Firewall for a specific node.
+
+* *Disks:* get an overview of the attached disks, and manage how they are used.
+
+* *Ceph:* is only used if you have installed a Ceph server on your
+ host. In this case, you can manage your Ceph cluster and see the status