In the Diagnosis app click the Core Server logs button  on the left sidebar to open the Core Server logs page. 

This page provides access to the Core Server log files.

Content

By default the current log file is shown. The drop-down box showing the file name allows to select any previous log file.

Entries of the log file can be sorted or filtered by clicking the column headers. 

Each user login and logout is written to the log file. The log entry contains the username, the IP address, the port and the application (Web Visualization, Web Manager).

Example:

In the log file messages with a long line of text can be unfolded by a click on the button . The message is shown in a way easy to read and to copy it.