215 lines
3.1 KiB
HTML
215 lines
3.1 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Serial console is not /dev/modem</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="UP"
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TITLE="Configure incidentals"
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HREF="misc.html"><LINK
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REL="PREVIOUS"
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TITLE="Remove saved console settings"
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HREF="misc-remove-ioctl-save.html"><LINK
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REL="NEXT"
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TITLE="Alter target of /dev/systty"
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HREF="misc-devsystty.html"></HEAD
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><BODY
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CLASS="SECTION"
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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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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="misc-remove-ioctl-save.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 7. Configure incidentals</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="misc-devsystty.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="SECTION"
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><H1
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CLASS="SECTION"
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><A
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NAME="MISC-DEVMODEM"
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></A
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>7.4. Serial console is not <TT
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CLASS="FILENAME"
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>/dev/modem</TT
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></H1
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><P
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>In many Linux distributions the file <TT
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CLASS="FILENAME"
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>/dev/modem</TT
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> is a symbolic link to the
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serial port containing a modem which is available for use.</P
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><P
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>Although the serial console is a serial port with a modem, we
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certainly don't want it used to place an outgoing call.</P
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><P
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>Check that <TT
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CLASS="FILENAME"
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>/dev/modem</TT
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>
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does not point to the serial port being used for the console, say
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<TT
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CLASS="FILENAME"
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>/dev/ttyS0</TT
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>. If it does,
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then remove the symbolic link.</P
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><DIV
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CLASS="FIGURE"
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><A
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NAME="MISC-DEVMODEM-EXAMPLE"
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></A
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><P
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><B
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>Figure 7-5. Remove <TT
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CLASS="FILENAME"
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>/dev/modem</TT
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> if
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it points to the serial console's port</B
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></P
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><TABLE
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BORDER="1"
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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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><FONT
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COLOR="#000000"
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><PRE
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CLASS="SCREEN"
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><TT
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CLASS="PROMPT"
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>bash$</TT
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> <B
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CLASS="COMMAND"
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>ls -l /dev/modem</B
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>
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<TT
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CLASS="COMPUTEROUTPUT"
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>lrwxrwxrwx 1 root root 10 Jan 01 00:00 /dev/modem -> /dev/ttyS0</TT
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>
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<TT
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CLASS="PROMPT"
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>bash#</TT
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> <B
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CLASS="COMMAND"
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>rm /dev/modem</B
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></PRE
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></FONT
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></TD
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></TR
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></TABLE
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></DIV
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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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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="misc-remove-ioctl-save.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="misc-devsystty.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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>Remove saved console settings</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="misc.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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>Alter target of <TT
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CLASS="FILENAME"
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>/dev/systty</TT
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></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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> |