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/etc/login.defs 配置文件

原创 Linux操作系统 作者:gaopengtttt 时间:2009-03-27 10:30:23 0 删除 编辑

转自网络

/etc/login.defs 配置文件;

/etc/login.defs 文件是当创建用户时的一些规划,比如创建用户时,是否需要家目录,UID和GID的范围;用户的期限等等,这个文件是可以通过root来定义的;

比如Fedora 的 /etc/logins.defs 文件内容;

# *REQUIRED*
# Directory where mailboxes reside, _or_ name of file, relative to the
# home directory. If you _do_ define both, MAIL_DIR takes precedence.
# QMAIL_DIR is for Qmail
#
#QMAIL_DIR Maildir
MAIL_DIR /var/spool/mail 注:创建用户时,要在目录/var/spool/mail中创建一个用户mail文件;
#MAIL_FILE .mail
# Password aging controls:
#
# PASS_MAX_DAYS Maximum number of days a password may be used.
# PASS_MIN_DAYS Minimum number of days allowed between password changes.
# PASS_MIN_LEN Minimum acceptable password length.
# PASS_WARN_AGE Number of days warning given before a password expires.
#
PASS_MAX_DAYS 99999 注:用户的密码不过期最多的天数;
PASS_MIN_DAYS 0 注:密码修改之间最小的天数;
PASS_MIN_LEN 5 注:密码最小长度;
PASS_WARN_AGE 7 注:
#
# Min/max values for automatic uid selection in useradd
#
UID_MIN 500 注:最小UID为500 ,也就是说添加用户时,UID 是从500开始的;
UID_MAX 60000 注:最大UID为60000;
#
# Min/max values for automatic gid selection in groupadd
#
GID_MIN 500 注:GID 是从500开始;
GID_MAX 60000
#
# If defined, this command is run when removing a user.
# It should remove any at/cron/print jobs etc. owned by
# the user to be removed (passed as the first argument).
#
#USERDEL_CMD /usr/sbin/userdel_local
#
# If useradd should create home directories for users by default
# On RH systems, we do. This option is ORed with the -m flag on
# useradd command line.
#
CREATE_HOME yes 注:是否创用户家目录,要求创建;

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