Let's try to monitor another service now, for example, the one running on port 22, SSH:
- To keep things simple for us, we won't create an item from scratch this time; instead, go back to Configuration | Hosts.
- Click on Items next to Another host.
- Click on Web server status in the Name column. This will open the item editing screen, showing all of the values we entered before.
This time, there are different buttons available at the bottom. Among other changes, instead of the Add button, there's an Update one.
Notice how one of the previously seen buttons is different. What was labeled Add previously is Update now. This change identifies the operation that we are going to perform: either adding a new entity or updating an existing ...