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当用户在 Red Hat Enterprise Linux 中更改其密码时,出现 "passwd:Authentication token manipulation error"

Solution In Progress - Updated -

Issue

  • 用户无法使用 passwd 更改密码并出现错误 "passwd:Authentication token manipulation error"
  • 有些用户无法更改自己的密码:
# su - testuser
$ passwd 
Changing password for user testuser
Changing password for testuser

(current) UNIX password: 
passwd: Authentication token manipulation error 

我尝试更改一个用户的密码,但 root 用户都不能执行此操作:

# passwd testuser
Changing password for user testuser.
passwd: Authentication token manipulation error

root 可以更改本地用户的密码。新添加的用户也可以更改其密码,但现有用户无法更改其密码。

Environment

  • Red Hat Enterprise Linux (RHEL)
  • passwd
  • shadow

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