:original_name: mrs_01_2070.html .. _mrs_01_2070: Accessing TezUI =============== Tez displays the Tez task execution process on a GUI. You can view the task execution details on the GUI. Prerequisite ------------ The TimelineServer instance of the Yarn service has been installed. How to Use ---------- Log in to Manager. For details, see :ref:`Accessing FusionInsight Manager `. On Manager, choose **Cluster** > **Services** > **Tez**. Click the link on the right of **Tez WebUI** in the **Basic Information** area, and go to Tez web UI. You can view the details about Tez task execution.