linux - 用于验证 root pw 的 Shell 脚本

Question

我有一个将用户添加到 Linux 系统的脚本。我打算有一个步骤将根 pw 设置为默认值，但是如果脚本中没有明文形式的 pw，我该如何做到这一点？

Answer 1

查看联机帮助页中的 usermod 选项“-p”:

-p, --password PASSWORD

  The encrypted password, as returned by crypt(3).

  Note: This option is not recommended because the password (or encrypted
  password) will be visible by users listing the processes.

  The password will be written in the local /etc/passwd or /etc/shadow file.
  This might differ from the password database configured in your PAM
  configuration. You should make sure the password respects the system's
  password policy.