<HTML ><HEAD ><TITLE >Non-interactive boot sequence</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Remote Serial Console HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Security" HREF="security.html"><LINK REL="PREVIOUS" TITLE="Use a boot loader password" HREF="security-bootloader.html"><LINK REL="NEXT" TITLE="Magic SysRq key" HREF="security-sysrq.html"></HEAD ><BODY CLASS="SECTION" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Remote Serial Console HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="security-bootloader.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 9. Security</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="security-sysrq.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECTION" ><H1 CLASS="SECTION" ><A NAME="SECURITY-RHL-PROMPT" ></A >9.8. Non-interactive boot sequence</H1 ><P ><SPAN CLASS="PRODUCTNAME" >Red Hat Linux</SPAN > has an <SPAN CLASS="QUOTE" >"interactive boot"</SPAN > option that can be used to prevent services from being started. This may not be pleasant if the purpose of the machine is web serving and the <SPAN CLASS="ACRONYM" >HTTP</SPAN > daemon is interactively prevented from starting by an unauthenticated person.</P ><P >Edit <TT CLASS="FILENAME" >/etc/sysconfig/init</TT > to contain the line</P ><DIV CLASS="INFORMALFIGURE" ><A NAME="AEN2382" ></A ><P ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="PROGRAMLISTING" >PROMPT=no</PRE ></FONT ></TD ></TR ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="security-bootloader.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="security-sysrq.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Use a boot loader password</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="security.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Magic <B CLASS="KEYCAP" >SysRq</B > key</TD ></TR ></TABLE ></DIV ></BODY ></HTML >