Linux 패스워드 정책 기본 비밀번호 항목 지정 /etc/login.defs vi /etc/login.defs # # Please note that the parameters in this configuration file control the # behavior of the tools from the shadow-utils component. None of these # tools uses the PAM mechanism, and the utilities that use PAM (such as the # passwd command) should therefore be configured elsewhere. Refer to # /etc/pam.d/system-auth for more informatio..