Adding target to Grid Control

1. I have done the activities presented in the post "Agents"
   
2. I have had to run emctl secure agent, providing password for OMS due to errors during the configuration phase of agent installation process
3. next step was to run agent (emctl start agent)
4. that was enough assuming DBSNMP accounts on target databases were open
5. after that I was able to move to Grid Central Console, choose particular target database (by clicking link) and provide there password to DBSNMP account (on page loaded by link "Monitoring Configuration")