Shulou(Shulou.com)06/03 Report--

Recently, I received feedback from some programmers that the user name does not appear when connecting to the server, but displays "I have no name!"

[I have no nameplate localhost] $

After listening to this question at that time, I also felt a little funny, so I looked on the Internet and found that there was something wrong with the permission setting of the / etc/passwd file, so I went to see it. Sure enough, the permission of the file was 600. other ordinary users did not have the permission to read, so the uid of the system could not get the user name, so I made an error, so I changed the / etc/passwd permission to 644 and switched to the ordinary user to take a look. Everything's fine.

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