NGC CLI Error: [Errno -2] Name or Service Not Known During ngc config set

I am encountering an issue with the NGC CLI (version 3.54.0) on my Linux machine. When I run the command:

ngc config set

It fails with the error:

[Errno -2] Name or service not known

Troubleshooting Steps Taken So Far

  1. Network Connectivity:

  2. Reinstallation:

System Details

  • OS: Ubuntu Linux
  • NGC CLI Version: 3.54.0
  • Proxy: Yes (details hidden)
  • Network: Verified to be working (direct and through proxy)

Request
How can I resolve the Errno -2 error and complete the ngc config set command? Is there a specific configuration required for proxies or DNS that I might be missing?

Thank you in advance for your assistance.