Then install QC on the outer window, install tools and open it.
Where there is no special explanation, it is default or casual.
1. Right-click the blue ball on the left (quest central for db2) and "Add Instance or Subsystem";
2. "Next"
Fill in the database ip you want to connect to, that is, the IP you wrote down.
Operating system: the operating system of the database, such as linux.
"Next"
Fill in the node name casually
Port number port, such as "50000"
"Next" "Next" "Finish"