251 lines
3.8 KiB
HTML
251 lines
3.8 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Upgrading Red Hat Linux from a
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serial console</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="Remote Serial Console HOWTO"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="Kermit"
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HREF="upload-kermit.html"><LINK
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REL="NEXT"
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TITLE="Select boot disk"
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HREF="rhl-selectboot.html"></HEAD
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><BODY
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CLASS="APPENDIX"
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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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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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>Remote Serial Console HOWTO</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="upload-kermit.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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></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="rhl-selectboot.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="APPENDIX"
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><H1
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><A
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NAME="RHL"
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></A
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>Appendix C. Upgrading <SPAN
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CLASS="PRODUCTNAME"
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>Red Hat Linux</SPAN
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> from a
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serial console</H1
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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>C.1. <A
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HREF="rhl-selectboot.html"
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>Select boot disk</A
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></DT
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><DT
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>C.2. <A
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HREF="rhl-biosserial.html"
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>Configure the <SPAN
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CLASS="ACRONYM"
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>BIOS</SPAN
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> to use the serial
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port</A
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></DT
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><DT
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>C.3. <A
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HREF="rhl-ignoredtr.html"
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>Configure modem to ignore <SPAN
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CLASS="ACRONYM"
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>DTR</SPAN
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> and assert
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<SPAN
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CLASS="ACRONYM"
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>DCD</SPAN
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></A
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></DT
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><DT
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>C.4. <A
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HREF="rhl-preparefloppy.html"
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>Prepare a network install floppy diskette</A
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></DT
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><DT
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>C.5. <A
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HREF="rhl-preparehttp.html"
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>Prepare <SPAN
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CLASS="ACRONYM"
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>HTTP</SPAN
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> server</A
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></DT
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><DT
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>C.6. <A
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HREF="rhl-ifconfig.html"
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>Record network configuration</A
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></DT
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><DT
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>C.7. <A
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HREF="rhl-liloconfig.html"
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>Record LILO configuration</A
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></DT
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><DT
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>C.8. <A
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HREF="rhl-upgrade.html"
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>Upgrade Red Hat distribution</A
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></DT
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><DT
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>C.9. <A
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HREF="rhbootdisk.html"
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>Create boot disk for serial console</A
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></DT
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><DT
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>C.10. <A
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HREF="rhreferences.html"
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>Further references</A
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></DT
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></DL
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></DIV
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><P
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>Upgrades to Linux distributions are frequently released. A
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machine is not remotely manageable unless these upgrades can be
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installed without needing to physically touch the machine.</P
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><P
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>This section examines the remote installation and remote
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upgrade of <SPAN
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CLASS="PRODUCTNAME"
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>Red Hat Linux</SPAN
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>.</P
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><P
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><SPAN
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CLASS="PRODUCTNAME"
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>Red Hat Linux</SPAN
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> can be installed over
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the network from a <SPAN
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CLASS="ACRONYM"
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>HTTP</SPAN
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> server using an install
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diskette. We modify this diskette to use the serial console. If we
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can control whether to boot from this diskette or from the hard disk
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then we can remotely upgrade the Red Hat Linux distribution from the
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serial port. If a blank diskette is placed in the drive when the
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machine is deployed then no on-site intervention is needed to
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upgrade the operating system.</P
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><P
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>If you have upgrade procedures for other
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<SPAN
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CLASS="SYSTEMITEM"
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>Linux</SPAN
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> distributions please contribute
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them to the <I
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CLASS="CITETITLE"
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>HOWTO</I
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> maintainer.</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="upload-kermit.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="rhl-selectboot.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%"
|
|
ALIGN="left"
|
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VALIGN="top"
|
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><SPAN
|
|
CLASS="APPLICATION"
|
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>Kermit</SPAN
|
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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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> </TD
|
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><TD
|
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WIDTH="33%"
|
|
ALIGN="right"
|
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VALIGN="top"
|
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>Select boot disk</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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> |