权限设置

useradd ludba -d /data1   ludba 帐户名 /data1  开通某目录权限   [@29.66 ~]# passwd mysqldba    //设置密码
Changing password for user mysqldba.
New UNIX password:
Retype new UNIX password:
passwd: all authentication tokens updated successfully.  
cat /etc/passwd | grep -v nologin  //查看权限   [root@lu/]# passwd rbtsb   //修改权限密码
Changing password for user rbtsb.
New password:
Retype new password:
Sorry, passwords do not match
New password:
Retype new password:
passwd: all authentication tokens updated successfully.