This section records all actions that represent significant changes to your system. These include changes to the server at the hardware level, such as selecting a new boot order, but also powering off and powering on your server, to name a few.
If you want to display more entries on the page, you can adjust the number of entries to be displayed in the "Settings" area under " Maximum count". Click on the "+" symbol next to the entry about which you want to obtain more detailed information. All errors and issues that occurred and were logged are also displayed here.