Help for setting up a parallel computing environment

Source: Internet
Author: User
For more information about how to build a parallel computing environment-Linux general technology-Linux technology and application, see the following. In linux, when the client shares the home Directory of the server with nfs, the server cannot access the client through ssh without a key? And the client is displayed after ls-l.
Drwxr-xr-x 5 4294967294 4294967294 4096 Desktop
Drwxr-xr-x 2 4294967294 4294967294 4096 Documents
Drwxr-xr-x 2 4294967294 4294967294 4096 Downloads
-Rw-r -- 1 4294967294 4294967294 179 examples. desktop
Cannot identify user names?

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