237 lines
3.4 KiB
HTML
237 lines
3.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>Special configuration in
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/etc/inittab</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="Linux System Administrators Guide"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="init"
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HREF="init-intro.html"><LINK
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REL="PREVIOUS"
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TITLE="Run levels"
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HREF="run-levels-intro.html"><LINK
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REL="NEXT"
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TITLE="Booting in single user mode"
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HREF="boot-single-user.html"></HEAD
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><BODY
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CLASS="SECT1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>Linux System Administrators Guide: </TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="run-levels-intro.html"
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ACCESSKEY="P"
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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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ALIGN="center"
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VALIGN="bottom"
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>Chapter 9. <B
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CLASS="COMMAND"
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>init</B
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="boot-single-user.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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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="INITTAB"
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></A
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>9.4. Special configuration in
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<TT
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CLASS="FILENAME"
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>/etc/inittab</TT
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></H1
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><P
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>The <TT
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CLASS="FILENAME"
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>/etc/inittab</TT
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> has some special
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features that allow <B
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CLASS="COMMAND"
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>init</B
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> to react to special
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circumstances. These special features are marked by special
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keywords in the third field. Some examples:
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<DIV
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CLASS="GLOSSLIST"
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><DL
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><DT
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><B
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><TT
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CLASS="LITERAL"
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>powerwait</TT
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></B
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></DT
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><DD
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><P
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> Allows <B
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CLASS="COMMAND"
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>init</B
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> to shut the system
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down, when the power fails. This assumes the use of
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a UPS, and software that watches the UPS and informs
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<B
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CLASS="COMMAND"
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>init</B
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> that the power is off.
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</P
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></DD
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><DT
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><B
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><TT
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CLASS="LITERAL"
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>ctrlaltdel</TT
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></B
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></DT
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><DD
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><P
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> Allows <B
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CLASS="COMMAND"
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>init</B
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> to reboot the system, when
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the user presses ctrl-alt-del on the console keyboard.
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Note that the system administrator can configure the
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reaction to ctrl-alt-del to be something else instead,
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e.g., to be ignored, if the system is in a public
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location. (Or to start <B
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CLASS="COMMAND"
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>nethack</B
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>.)
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</P
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></DD
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><DT
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><B
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><TT
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CLASS="LITERAL"
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>sysinit</TT
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></B
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></DT
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><DD
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><P
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> Command to be run when the system is booted. This command
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usually cleans up <TT
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CLASS="FILENAME"
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>/tmp</TT
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>, for example.
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</P
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></DD
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></DL
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></DIV
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>
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The list above is not exhaustive. See your
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<TT
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CLASS="FILENAME"
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>inittab</TT
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> manual page for all possibilities,
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and for details on how to use the above ones. </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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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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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="run-levels-intro.html"
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ACCESSKEY="P"
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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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ACCESSKEY="H"
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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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VALIGN="top"
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><A
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HREF="boot-single-user.html"
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ACCESSKEY="N"
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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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>Run levels</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="init-intro.html"
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ACCESSKEY="U"
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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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>Booting in single user mode</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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> |