meanmee removed a comment on issue #12363: distributed training notebook tests
URL: 
https://github.com/apache/incubator-mxnet/issues/12363#issuecomment-416158008
 
 
   Permission denied, please try again.
   xiaomin.wu@10.14.6.5's password: 
   Permission denied, please try again.
   xiaomin.wu@10.14.6.5's password: 
   Permission denied (publickey,password).
   rsync: connection unexpectedly closed (0 bytes received so far) [sender]
   rsync error: unexplained error (code 255) at io.c(226) [sender=3.1.1]
   Traceback (most recent call last):
     File 
"/home/xiaomin.wu/anaconda2/lib/python2.7/site-packages/mxnet/tools/launch.py", 
line 128, in <module>
       main()
     File 
"/home/xiaomin.wu/anaconda2/lib/python2.7/site-packages/mxnet/tools/launch.py", 
line 113, in main
       ssh.submit(args)
     File 
"/home/xiaomin.wu/anaconda2/lib/python2.7/site-packages/dmlc_tracker/ssh.py", 
line 86, in submit
       hostIP=args.host_ip)
     File 
"/home/xiaomin.wu/anaconda2/lib/python2.7/site-packages/dmlc_tracker/tracker.py",
 line 428, in submit
       fun_submit(nworker, nserver, envs)
     File 
"/home/xiaomin.wu/anaconda2/lib/python2.7/site-packages/dmlc_tracker/ssh.py", 
line 69, in ssh_submit
       sync_dir(local_dir, h, working_dir)
     File 
"/home/xiaomin.wu/anaconda2/lib/python2.7/site-packages/dmlc_tracker/ssh.py", 
line 21, in sync_dir
       subprocess.check_call([prog], shell = True)
     File "/home/xiaomin.wu/anaconda2/lib/python2.7/subprocess.py", line 186, 
in check_call
       raise CalledProcessError(retcode, cmd)
   subprocess.CalledProcessError: Command '['rsync -az --rsh="ssh -o 
StrictHostKeyChecking=no -p 22" /home/xiaomin.wu/cifar10_dist/ 
10.14.6.5:/home/xiaomin.wu/cifar10_dist']' returned non-zero exit status 255

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