Device Displayed as Offline After the System Profiler Is Installed on Ubuntu

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.
   vi /etc/profile

   1	export no_proxy=127.0.0.1

2. Make the configuration take effect.

   1	source /etc/profile