You wanted to check the version of Jazz server you are connected to from Eclipse client. In the web client it is pretty straightforward, you will go Help About to check the Jazz server information.
How can I get same information through an Eclipse client?
In Eclipse client couple of action required to get same information.
Connect to Jazz server
Log in
Right click on Repository connection
Choose properties
Choose server information
You will see Jazz Server details. A sample screen shot attached.
Dashboards and work items are no longer publicly available, so some links may be invalid. We now provide similar information through other means.
Learn more here.