396 lines
5.8 KiB
HTML
396 lines
5.8 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Traditional getty</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 getty"
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HREF="getty.html"><LINK
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REL="PREVIOUS"
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TITLE="init system"
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HREF="getty-init.html"><LINK
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REL="NEXT"
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TITLE="agetty"
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HREF="getty-agetty.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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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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>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="getty-init.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 6. Configure <SPAN
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CLASS="PRODUCTNAME"
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>getty</SPAN
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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="getty-agetty.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="GETTY-GETTY"
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></A
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>6.2. Traditional <SPAN
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CLASS="PRODUCTNAME"
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>getty</SPAN
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></H1
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><P
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>Traditional <SPAN
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CLASS="APPLICATION"
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>getty</SPAN
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> implementations
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include <SPAN
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CLASS="APPLICATION"
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>uugetty</SPAN
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> and
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<SPAN
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CLASS="APPLICATION"
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>getty_ps</SPAN
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>.</P
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><P
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>The traditional <SPAN
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CLASS="APPLICATION"
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>getty</SPAN
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> is listed in
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<TT
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CLASS="FILENAME"
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>/etc/inittab</TT
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> with the name of a section in
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<TT
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CLASS="FILENAME"
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>/etc/gettydefs</TT
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> to use for its configuration.
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Our example in <A
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HREF="getty-init.html#GETTY-INIT-INITTAB"
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>Figure 6-3</A
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> used the section
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<TT
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CLASS="LITERAL"
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>CON9600</TT
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>.</P
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><P
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>There is no <TT
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CLASS="LITERAL"
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>CON9600</TT
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> in the standard
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<TT
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CLASS="FILENAME"
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>gettydefs</TT
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>. This is deliberate, as serial
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consoles sometimes require slight tweaking. Copy the
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<TT
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CLASS="LITERAL"
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>DT9600</TT
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> entry and use it as your model.</P
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><DIV
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CLASS="FIGURE"
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><A
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NAME="GETTY-GETTY-GETTYDEFS"
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></A
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><P
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><B
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>Figure 6-4. Define <TT
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CLASS="LITERAL"
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>CON9600</TT
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> in
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<TT
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CLASS="FILENAME"
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>gettydefs</TT
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></B
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></P
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><TABLE
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BORDER="0"
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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="PROGRAMLISTING"
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># Serial console 9600, 8, N, 1, CTS/RTS flow control
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CON9600# B9600 CS8 -PARENB -ISTRIP CRTSCTS HUPCL # B9600 SANE CS8 -PARENB -ISTRIP CRTSCTS HUPCL #@S @L login: #CON9600</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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><P
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>Separate each line with a blank line.</P
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><P
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>Each configuration line has the syntax:</P
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><DIV
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CLASS="FIGURE"
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><A
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NAME="GETTY-GETTY-GETTYDEFS-SYNTAX"
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></A
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><P
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><B
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>Figure 6-5. Syntax of entries in <TT
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CLASS="FILENAME"
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>/etc/gettydefs</TT
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>,
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in EBNF</B
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></P
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><P
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CLASS="LITERALLAYOUT"
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><TT
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CLASS="REPLACEABLE"
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><I
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><label></I
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></TT
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># <TT
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CLASS="REPLACEABLE"
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><I
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><initial_flags></I
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></TT
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> # <TT
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CLASS="REPLACEABLE"
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><I
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><final_flags></I
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></TT
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> #<TT
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CLASS="REPLACEABLE"
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><I
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><login_prompt></I
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></TT
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>#<TT
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CLASS="REPLACEABLE"
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><I
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><next_label></I
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></TT
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></P
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></DIV
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><P
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>The <TT
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CLASS="REPLACEABLE"
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><I
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><label></I
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></TT
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> is referred to
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on the <SPAN
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CLASS="APPLICATION"
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>getty</SPAN
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> command line.</P
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><P
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>The <TT
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CLASS="REPLACEABLE"
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><I
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><next_label></I
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></TT
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> is the
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definition used if a <SPAN
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CLASS="ACRONYM"
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>RS-232</SPAN
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> Break is sent. As
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the console is always 9600<SPAN
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CLASS="ABBREV"
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>bps</SPAN
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>, this points back
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to the original <TT
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CLASS="REPLACEABLE"
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><I
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>label</I
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></TT
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>. See <A
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HREF="security-sysrq.html"
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>Section 9.9</A
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> if you ever intend to have more one line
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for <TT
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CLASS="LITERAL"
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>CON9600</TT
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> in
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<TT
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CLASS="FILENAME"
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>gettydefs</TT
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>.</P
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><P
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><TT
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CLASS="REPLACEABLE"
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><I
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><initial_flags></I
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></TT
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> are the
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serial line parameters used by <SPAN
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CLASS="APPLICATION"
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>getty</SPAN
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>.
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These are modeled on the <I
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CLASS="CITETITLE"
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>stty(1)</I
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> and
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<I
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CLASS="CITETITLE"
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>termios(3)</I
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> options and the full list varies
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depending upon your <SPAN
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CLASS="APPLICATION"
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>getty</SPAN
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> variant. The
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parameters in <A
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HREF="getty-getty.html#GETTY-GETTY-GETTYDEFS"
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>Figure 6-4</A
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> ensure that a
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line at 9600<SPAN
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CLASS="ABBREV"
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>bps</SPAN
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> with eight data bits and no
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parity is configured.</P
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><P
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><TT
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CLASS="REPLACEABLE"
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><I
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><final_flags></I
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></TT
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> are the serial
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line parameters set by <SPAN
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CLASS="APPLICATION"
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>getty</SPAN
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> before it
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calls login. You will usually want to set a
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9600<SPAN
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CLASS="ABBREV"
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>bps</SPAN
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> line, <TT
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CLASS="LITERAL"
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>SANE</TT
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> terminal
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handling, eight data bits, no parity and to hang up the modem when
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the login session is finished.</P
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><P
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>The <TT
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CLASS="REPLACEABLE"
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><I
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><login_prompt></I
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></TT
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> for
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serial lines is traditionally the name of the machine, followed by
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the serial port, followed by <TT
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CLASS="LITERAL"
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>login:</TT
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> and a space.
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The macro that inserts the name of the machine and the serial port
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varies, see the documentation for your
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<SPAN
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CLASS="APPLICATION"
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>getty</SPAN
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>.</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="getty-init.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="getty-agetty.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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><SPAN
|
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CLASS="PRODUCTNAME"
|
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>init</SPAN
|
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> system</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="getty.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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><SPAN
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CLASS="PRODUCTNAME"
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>agetty</SPAN
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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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> |