247 lines
4.1 KiB
HTML
247 lines
4.1 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Removing User Accounts</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.63
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"><LINK
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REL="HOME"
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TITLE="Linux Administration Made Easy"
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TITLE="General System Administration Issues"
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HREF="administrative-issues.html"><LINK
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TITLE="Disabling User Accounts"
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HREF="disabling-user-accounts.html"><LINK
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REL="NEXT"
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TITLE="Linux Password & Shadow File Formats"
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HREF="shadow-file-formats.html"></HEAD
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>Linux Administration Made Easy</TH
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WIDTH="10%"
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HREF="disabling-user-accounts.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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>Chapter 6. General System Administration Issues</TD
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><TD
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WIDTH="10%"
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VALIGN="bottom"
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>Next</A
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="REMOVING-USER-ACCOUNTS"
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>6.5. Removing User Accounts</A
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></H1
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><P
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>On occasion, you may wish to remove a user's access from your server
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altogether.</P
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><P
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>If you are a Red Hat user, the easiest way to remove an unneeded
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user account is with the ``<TT
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CLASS="LITERAL"
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>userdel</TT
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>'' command, which
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must be typed as ``root''. An example follows:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><PRE
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CLASS="SCREEN"
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>/usr/sbin/userdel baduser</PRE
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></TD
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></TR
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></TABLE
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><P
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>The above command will remove the entry matching the username
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``<EM
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>baduser</EM
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> from the
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``<TT
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CLASS="LITERAL"
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><TT
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CLASS="FILENAME"
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>/etc/passwd</TT
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></TT
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>'', file, and, if
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you're using the Shadow password format (which you should be; see <A
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HREF="shadow-file-formats.html"
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>Section 6.6</A
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> for details), the
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``<TT
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CLASS="LITERAL"
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><TT
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CLASS="FILENAME"
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>/etc/shadow</TT
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></TT
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>''.</P
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><DIV
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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>Note: </B
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>Note: The ``<TT
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CLASS="LITERAL"
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><TT
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CLASS="FILENAME"
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>/etc/group</TT
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></TT
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>'' is
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<EM
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>not</EM
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> modified, to avoid removing a group that other
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user(s) may also belong to. This isn't much of a big deal, but if this
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bothers use, you can edit the group file and remove the entry
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manually.</P
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></BLOCKQUOTE
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></DIV
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><P
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>Should you wish to remove the user's home directory as well, add
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the ``<TT
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CLASS="LITERAL"
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>-r</TT
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>'' option to the ``userdel'' command. For
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example:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><PRE
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CLASS="SCREEN"
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>/usr/sbin/userdel -r baduser</PRE
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></TD
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></TR
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></TABLE
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><P
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>I recommend not removing an account right away, but first simply
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<EM
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>disable</EM
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> it, especially if you are working with a
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corporate server with lots of users. After all, the former user may one
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day require the use of his or her account again, or may request a file or
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two which was stored in their home directory. Or perhaps a
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<EM
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>new</EM
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> user (such as an employee replacement) may
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require access to the former user's files. In any event, make sure you
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have backups of the former user's home directory,
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<SPAN
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CLASS="QUOTE"
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>"just-in-case"</SPAN
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>. See <A
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HREF="disabling-user-accounts.html"
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>Section 6.4</A
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>
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for details on disabling an account, and <A
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HREF="backup-and-restore.html"
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>Chapter 8</A
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> for details on how to perform
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backups.</P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="disabling-user-accounts.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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><A
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HREF="shadow-file-formats.html"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>Disabling User Accounts</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="administrative-issues.html"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Linux Password & Shadow File Formats</TD
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></TR
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></TABLE
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> |