Using mass update
Now this looks quite good—we can see all of the monitored data in a compact form. Those 1 results that denote the status for various servers—what do they mean? Was 1 for a running state, or was it an error, like with exit codes? They surely aren't intuitive enough, so let's try to remedy that. Go to Configuration | Hosts, and click on Items for Another host. Select all three server status items (SMTP, SSH, and Web), and then look at the buttons at the bottom of the item list.
This time, we will want to make a single change for all of the selected items, so the second button from the right looks like what we need—it says Mass update. Click on it: