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Diffstat (limited to 'man/zh_CN/man1/passwd.1')
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1 files changed, 283 insertions, 0 deletions
diff --git a/man/zh_CN/man1/passwd.1 b/man/zh_CN/man1/passwd.1 new file mode 100644 index 0000000..89e0e07 --- /dev/null +++ b/man/zh_CN/man1/passwd.1 @@ -0,0 +1,283 @@ +'\" t +.\" Title: passwd +.\" Author: Julianne Frances Haugh +.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/> +.\" Date: 2022-11-08 +.\" Manual: 用户命令 +.\" Source: shadow-utils 4.13 +.\" Language: Chinese Simplified +.\" +.TH "PASSWD" "1" "2022-11-08" "shadow\-utils 4\&.13" "用户命令" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "名称" +passwd \- 更改用户密码 +.SH "大纲" +.HP \w'\fBpasswd\fR\ 'u +\fBpasswd\fR [\fI选项\fR] [\fI登录\fR] +.SH "描述" +.PP +The +\fBpasswd\fR +command changes passwords for user accounts\&. A normal user may only change the password for their own account, while the superuser may change the password for any account\&. +\fBpasswd\fR +also changes the account or associated password validity period\&. +.SS "密码更改" +.PP +如果有旧密码，首先提示用户输入旧密码。加密这个密码然后和存储的密码进行比较。用户只有一次机会输入正确密码。允许超级用户略过这个步骤，以便更改忘记了的密码。 +.PP +After the password has been entered, password aging information is checked to see if the user is permitted to change the password at this time\&. If not, +\fBpasswd\fR +refuses to change the password and exits\&. +.PP +提示用户输入两次新密码。第二次和第一次进行比较，并且需要相同才能更改密码。 +.PP +然后，测试密码的负责程度。一般来讲，密码应该包含 6 到 8 位字符，从下边的一个或多个集合中选择： +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +小写字母 +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +数字 0 到 9 +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +标点符号 +.RE +.PP +Care must be taken not to include the system default erase or kill characters\&. +\fBpasswd\fR +will reject any password which is not suitably complex\&. +.SS "关于用户密码的提示" +.PP +The security of a password depends upon the strength of the encryption algorithm and the size of the key space\&. The legacy +\fIUNIX\fR +System encryption method is based on the NBS DES algorithm\&. More recent methods are now recommended (see +\fBENCRYPT_METHOD\fR)\&. The size of the key space depends upon the randomness of the password which is selected\&. +.PP +由于粗心地或处理选择密码，会危及密码的安全。由于这个原因，您不应该选择出现在词典中或者必须要写下来才能记住的密码。密码也不应该是一个名字、许可证号、生日或者街道号。所有这些可以用于猜测来损害系统安全。 +.PP +You can find advice on how to choose a strong password on http://en\&.wikipedia\&.org/wiki/Password_strength +.SH "选项" +.PP +The options which apply to the +\fBpasswd\fR +command are: +.PP +\fB\-a\fR, \fB\-\-all\fR +.RS 4 +This option can be used only with +\fB\-S\fR +and causes show status for all users\&. +.RE +.PP +\fB\-d\fR, \fB\-\-delete\fR +.RS 4 +删除用户密码(让它为空)。这是禁用一个用户密码的快速方法。它将设置给出名称的账户。 +.RE +.PP +\fB\-e\fR, \fB\-\-expire\fR +.RS 4 +让一个账户的密码立即过期。这可以强制一个用户下次登录时更改密码。 +.RE +.PP +\fB\-h\fR, \fB\-\-help\fR +.RS 4 +显示帮助信息并退出。 +.RE +.PP +\fB\-i\fR, \fB\-\-inactive\fR\ \&\fIINACTIVE\fR +.RS 4 +This option is used to disable an account after the password has been expired for a number of days\&. After a user account has had an expired password for +\fIINACTIVE\fR +days, the user may no longer sign on to the account\&. +.RE +.PP +\fB\-k\fR, \fB\-\-keep\-tokens\fR +.RS 4 +表示密码更改只应该因为认证口令(密码)过期更改。用户希望保持他们尚未过期的口令。 +.RE +.PP +\fB\-l\fR, \fB\-\-lock\fR +.RS 4 +锁定指定账户的密码。此选项通过将密码更改为一个不可能与加密值匹配的值来禁用(它在密码开头添加一个\(lq!\(rq)。 +.sp +Note that this does not disable the account\&. The user may still be able to login using another authentication token (e\&.g\&. an SSH key)\&. To disable the account, administrators should use +\fBusermod \-\-expiredate 1\fR +(this set the account\*(Aqs expire date to Jan 2, 1970)\&. +.sp +被锁定了密码的用户不允许更改密码。 +.RE +.PP +\fB\-n\fR, \fB\-\-mindays\fR\ \&\fIMIN_DAYS\fR +.RS 4 +Set the minimum number of days between password changes to +\fIMIN_DAYS\fR\&. A value of zero for this field indicates that the user may change their password at any time\&. +.RE +.PP +\fB\-q\fR, \fB\-\-quiet\fR +.RS 4 +安静模式。 +.RE +.PP +\fB\-r\fR, \fB\-\-repository\fR\ \&\fIREPOSITORY\fR +.RS 4 +change password in +\fIREPOSITORY\fR +repository +.RE +.PP +\fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR +.RS 4 +Apply changes in the +\fICHROOT_DIR\fR +directory and use the configuration files from the +\fICHROOT_DIR\fR +directory\&. Only absolute paths are supported\&. +.RE +.PP +\fB\-S\fR, \fB\-\-status\fR +.RS 4 +显示账户状态信息。状态信息包含 7 个字段。首个字段是用户的登录名，第二个字段表示用户账户是否已经锁定密码(L)、没有密码 (NP)或者密码可用(P)，第三个字段给出最后一次更改密码的日期。接下来的四个字段分别是密码的最小年龄、最大年龄、警告期和禁用期。这些年龄以天为单位计算。 +.RE +.PP +\fB\-u\fR, \fB\-\-unlock\fR +.RS 4 +Unlock the password of the named account\&. This option re\-enables a password by changing the password back to its previous value (to the value before using the +\fB\-l\fR +option)\&. +.RE +.PP +\fB\-w\fR, \fB\-\-warndays\fR\ \&\fIWARN_DAYS\fR +.RS 4 +Set the number of days of warning before a password change is required\&. The +\fIWARN_DAYS\fR +option is the number of days prior to the password expiring that a user will be warned that their password is about to expire\&. +.RE +.PP +\fB\-x\fR, \fB\-\-maxdays\fR\ \&\fIMAX_DAYS\fR +.RS 4 +Set the maximum number of days a password remains valid\&. After +\fIMAX_DAYS\fR, the password is required to be changed\&. +.sp +Passing the number +\fI\-1\fR +as +\fIMAX_DAYS\fR +will remove checking a password\*(Aqs validity\&. +.RE +.SH "CAVEATS" +.PP +密码复杂性检查在每台机器间不同。用户应该选择适合的尽量复杂的密码。 +.PP +在启动了 NIS 的系统上，如果没有登录 NIS 服务器，用户或许不能更改自己的密码。 +.SH "配置文件" +.PP +The following configuration variables in +/etc/login\&.defs +change the behavior of this tool: +.SH "文件" +.PP +/etc/passwd +.RS 4 +用户账户信息。 +.RE +.PP +/etc/shadow +.RS 4 +安全用户账户信息。 +.RE +.PP +/etc/login\&.defs +.RS 4 +Shadow 密码套件配置。 +.RE +.SH "退出值" +.PP +The +\fBpasswd\fR +command exits with the following values: +.PP +\fI0\fR +.RS 4 +success +.RE +.PP +\fI1\fR +.RS 4 +permission denied +.RE +.PP +\fI2\fR +.RS 4 +invalid combination of options +.RE +.PP +\fI3\fR +.RS 4 +unexpected failure, nothing done +.RE +.PP +\fI4\fR +.RS 4 +unexpected failure, +passwd +file missing +.RE +.PP +\fI5\fR +.RS 4 +passwd +file busy, try again +.RE +.PP +\fI6\fR +.RS 4 +invalid argument to option +.RE +.SH "参见" +.PP +\fBchpasswd\fR(8), +\fBpasswd\fR(5), +\fBshadow\fR(5), +\fBlogin.defs\fR(5), +\fBusermod\fR(8)\&. |