Ubuntu 20.04.3 Node Offline After Being Added to the System Profiler

Symptom

When adding the Ubuntu 20.04.3 system node after System Profiler is installed, the node is in the offline status.

Possible Cause

The trustlist fails to be added because the no_proxy environment variable is not configured on the Server.

Troubleshooting Procedure

1. Configure the no_proxy environment variable in the /etc/profile file on the server.
   1. Open the /etc/profile file.

      vi /etc/profile

   2. Press i to enter the insert mode and add the following information:

      1	export no_proxy=127.0.0.1

   3. Press ESC, type :wq!, and press Enter to save the file and exit.
2. Make the configuration take effect.

   1	source /etc/profile