Below instruction will make us to work with the stop, start and check on Tivoli Monitoring agents which runs on the each client machine.

Check the tivoli agent status
cd /opt/IBM/ITM/bin
./cinfo -r

Stop the tivoli agent
cd /opt/IBM/ITM/bin
./itmcmd agent stop ux

Start the tivoli agent
cd /opt/IBM/ITM/bin
./itmcmd agent start ux