在FreeBSD中修改帐号密码有时候会出现一些错误，针对passwd: pam_chauthtok(): error in service module这样的错误提示，简单整理了以下解决方案：
错误提示：
代码如下 复制代码
kiccleaf# passwd kiccleaf
Changing local password for kiccleaf
New Password:
Retype New Password:
/: write failed, filesystem is full
passwd: pam_chauthtok(): error in service module
修改方法：(www.111cn.net)
1.把/etc/passwd 文件给所有权限
2.修改好密码
3.恢复文件相应权限
代码如下 复制代码
kiccleaf# ll /etc/passwd
-rw-r--r-- 1 root wheel 1509 Apr 23 14:35 /etc/passwd
kiccleaf# chmod 777 /etc/passwd
kiccleaf# passwd kiccleaf
Changing local password for kiccleaf
New Password:
Retype New Password:
kiccleaf# chmod 644 /etc/passwd
from:http://www.111cn.net/sys/freebsd/66713.htm