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Theila UI for Talos

An intro to Theila - a UI for Talos clusters.

Once you have a Talos cluster running, you may find it easier to get insights on your cluster(s) using a visual user interface rather than the talosctl CLI. For this, Sidero Labs provides Theila, a simple, single-binary web-based visual user interface for Talos clusters.


You should have a Talos cluster up & running, and the talosconfig file for Theila to access it.


Theila is published as a single static binary compiled for various platforms and architectures, as well as a container image.


You can download the correct binary for your system from the releases page, or use the following commands in your terminal.

curl -Lo /usr/local/bin/theila$(uname -s | tr "[:upper:]" "[:lower:]")-amd64
chmod +x /usr/local/bin/theila


Once installed, you can run Theila by simply running it.

# address and port are not required and default to the values shown
theila --address --port 8080
docker run --rm --volume ${HOME}/.talos/config:/opt/talosconfig:ro --env TALOSCONFIG=/opt/talosconfig --publish 8080:8080 --address

Once it is running you should be able to point a browser at http://localhost:8080 to open the Theila UI.


You can navigate around various Talos clusters using the menu at the upper-left corner (see 1.1), then selecting the specific cluster from the list (see 1.2). Fig 1 Talos cluster selection with Theila

Cluster Overview

Clicking on the “Overview” option in the menu (see 2.1) will display an overview of resource use & health of the cluster. Fig 2 Talos cluster overview


Entering the “Nodes” section on the menu (see 3.1) will give a list of nodes in the cluster (see 3.2), along with information such as IP address, status, and any roles assigned to the node. Opening the node menu (see 3.3) show the actions that can be taken on a specific node. Fig 3 Node list

Clicking on a specific node name in the node list will open the node detail page for more information on each specific node (see 4.1), including running services and their logs (see 4.2). Fig 4 Node detail

Clicking on the “Monitor” tab (see 5.1) allows you to watch resource use over time, with CPU and memory consumption graphs updated in real time, and a detailed list of running process each with their individual resource use (see 5.2). Fig 5 Node monitoring

Lastly, the “Dmesg” tab shows all kernel messages of the node since boot.


Using the “Pods” section on the menu (see 6.1) will list all pods in the cluster, across all namespaces. Clicking on the drop-down arrow (see 6.2) will open up more detailed information of the specified pod. Fig 6 Pods