Help me,solve this problem

I want to try the distribution of pytorch, I used two nodes, but reported an error during the startup of the second node:
Traceback (most recent call last):
File “test.py”, line 205, in
main()
File “test.py”, line 198, in main
rank=args.rank,
File “/home/loring/anaconda3/lib/python3.7/site-packages/torch/distributed/distributed_c10d.py”, line 410, in init_process_group
timeout=timeout)
File “/home/loring/anaconda3/lib/python3.7/site-packages/torch/distributed/distributed_c10d.py”, line 478, in _new_process_group_helper
timeout=timeout)
RuntimeError: [/opt/conda/conda-bld/pytorch_1570710822989/work/third_party/gloo/gloo/transport/tcp/pair.cc:761] connect [::1]:14728: Connection refused

who can help me?thanks

Hi,

It seems like the there is connection issues between your nodes. Do you have the necessary permissions to connect from one computer to the other at the port you specified?