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70 lines
3.1 KiB
Groff
70 lines
3.1 KiB
Groff
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.\" Copyright 1991, Julianne Frances Haugh
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.\" All rights reserved.
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.\"; 中文版版權所有 soloman, Laser www.linuxforum.net 2000
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of Julianne F. Haugh nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.TH CHPASSWD 8
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.SH NAME
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chpasswd \- 成批更新使用者的口令
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.SH 總覽
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chpasswd [\-e]
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.SH 描述
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.B chpasswd
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從系統的標準輸入讀入使用者的名稱和口令，
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並利用這些信息來更新系統上已存在的使用者的口令。
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在沒有用 \-e 這個開關選項的情況下，口令將按明文的形式接收。
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如果使用了 \-e 選項，口令將只能以加密的方式傳遞。
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每行的具體格式如下所示：
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.sp 1
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\fI使用者名\fR：\fI新口令\fR
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.sp 1
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使用者名必須是系統上已存在的使用者。
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輸入的密碼在必要時進行加密處理，
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如果口令檔案具有時間特性，則同時更新。
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.PP
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此命令適用於大型的系統，在此類系統中，
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使用者一般都是一次同時生成的，而用 adduser 和
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passwd 口令來對其一一進行設置一般說往往比較慢。
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.SH 注意事項
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.\" The \fBmkpasswd\fR command must be executed afterwards to update the
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.\" DBM password files.
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.\" This command may be discarded in favor of the newusers(8) command.
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因為可以使用檔案重定向進行輸入，
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即：chpasswd < user&passwd-filename，
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如果輸入檔案是按非加密方式傳遞的話，請對該檔案進行適當的加密。
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.SH 又見
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passwd(1),useradd(8),newuser(8)
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.SH 作者
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Julianne Frances Haugh (jfh@bga.com)
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.SH "[中文版維護人]"
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.B 所羅門 <solomen@email.com.cn>
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.SH "[中文版最新更新]"
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2000/11/26
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.SH "[中國 Linux 論壇 man 手冊頁翻譯計劃]"
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.BI http://cmpp.linuxforum.net
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