<HTML ><HEAD ><TITLE >Configuring a kernel to support serial console</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="PREVIOUS" TITLE="Countering interception of telephony links" HREF="security-interception.html"><LINK REL="NEXT" TITLE="Linux kernel version 2.5" HREF="kernelcompile-25.html"></HEAD ><BODY CLASS="CHAPTER" 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-interception.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="kernelcompile-25.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="CHAPTER" ><H1 ><A NAME="KERNELCOMPILE" ></A >Chapter 10. Configuring a kernel to support serial console</H1 ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT >10.1. <A HREF="kernelcompile-25.html" >Linux kernel version 2.5</A ></DT ><DT >10.2. <A HREF="kernelcompile-24.html" >Linux kernel version 2.4</A ></DT ><DT >10.3. <A HREF="kernelcompile-22.html" ><SPAN CLASS="SYSTEMITEM" >Linux</SPAN > kernel version 2.2</A ></DT ></DL ></DIV ><P >Most <SPAN CLASS="SYSTEMITEM" >Linux</SPAN > kernels shipped by distributors are configured to allow the serial console to be enabled. However system administrators will almost certainly encounter some problems best solved by recompiling a kernel. In these cases configure the kernel to support the serial console. The usual virtual terminal console is also configured, as we normally want console messages to go a monitor as well as the serial port.</P ></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-interception.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="kernelcompile-25.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Countering interception of telephony links</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Linux kernel version 2.5</TD ></TR ></TABLE ></DIV ></BODY ></HTML >