修改linux密码的时候提示user not known to the underlying authentication module解决办法
2013-07-11 17:15
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今天修改linux密码的时候提示我user not known to the underlying authentication module。上网查了下现将原文贴出
#passwd XXXXX //XXXXX为帐号New UNIX password:
Retype new UNIX password:
passwd: User not known to the underlying authentication module
这个时候可能是/etc/passwd和/etc/shadow 内容不一致的问题,使用pwconv同步下。在单用户下输入:pwconv,然后重新设置密码就能成功了!
本文出自 “盛满鱼” 博客,请务必保留此出处http://chengmanyu.blog.51cto.com/7198694/1246586
#passwd XXXXX //XXXXX为帐号New UNIX password:
Retype new UNIX password:
passwd: User not known to the underlying authentication module
这个时候可能是/etc/passwd和/etc/shadow 内容不一致的问题,使用pwconv同步下。在单用户下输入:pwconv,然后重新设置密码就能成功了!
pwconv
功能说明:开启用户的投影密码。 语 法:pwconv 补充说明:Linux系统里的用户和群组密码,分别存放在名称为passwd和group的文件中, 这两个文件位于/etc目录下。因系统运作所需,任何人都得以读取它们,造成安全上的破绽。投影密码将文件内的密码改存在/etc目录下的shadow和gshadow文件内,只允许系统管理者读取,同时把原密码置换为"x"字符,有效的强化了系统的安全性。本文出自 “盛满鱼” 博客,请务必保留此出处http://chengmanyu.blog.51cto.com/7198694/1246586
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