278 lines
5.2 KiB
HTML
278 lines
5.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>Number X servers started by Display managers</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="XFree Local Multi-User HOWTO"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Tweaking it"
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HREF="automation.html"><LINK
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REL="PREVIOUS"
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TITLE="1st X server configuration file"
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HREF="first_x_server.html"><LINK
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REL="NEXT"
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TITLE="Dynamically switching the number of X servers"
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HREF="dyn_switch_num_x_serv.html"></HEAD
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CLASS="sect1"
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><TR
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>XFree Local Multi-User HOWTO</TH
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WIDTH="10%"
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VALIGN="bottom"
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><A
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HREF="first_x_server.html"
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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. Tweaking it</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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>Next</A
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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="sect1"
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><H1
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CLASS="sect1"
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><A
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NAME="auto_dm_confs"
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></A
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>7.4. Number X servers started by Display managers</H1
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><P
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>Here is a modified version of the previous approach. Add this to your init scripts (I bet it's missing!):</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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> ---------------------------------------------------------------------------------------
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#
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#the same like XF86Config but for gdm.conf & Xservers
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#
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for i in xdm/Xservers gdm/gdm.conf; do
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if [ -L "/etc/X11/$i" ]; then
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DumbCon=`sed -n 's/.*dumbcon=\([0-9]*\).*/\1/p' /proc/cmdline`
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[ -n "$DumbCon" ] || DumbCon=0
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[ -r "/etc/X11/$i.$DumbCon" ] && ln -sf "/etc/X11/$i.$DumbCon" "/etc/X11/$i"
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fi
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done
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echo "Setting up display managers for `expr $DumbCon + 1` Xservers"
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---------------------------------------------------------------------------------------
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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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><P
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>This will adjust the proper <TT
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CLASS="filename"
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>/etc/X11/xdm/Xservers</TT
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> and <TT
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CLASS="filename"
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>/etc/X11/gdm/gdm.config</TT
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> according to the boot line argument dumbcon=n (remember n+1= number of X users/sessions).</P
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><P
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>You have to create the configuration files following these assumptions:</P
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><P
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><SPAN
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CLASS="QUOTE"
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>"i"</SPAN
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> only stands for <TT
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CLASS="filename"
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>/etc/X11/xdm/Xserver</TT
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> and <TT
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CLASS="filename"
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>/etc/X11/gdm/gdm.conf</TT
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>.</P
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><P
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></P
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><UL
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><LI
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><P
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><SPAN
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CLASS="QUOTE"
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>"i.0"</SPAN
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> is used for a single X server, when dumbcon=n is not specified, or dumbcon=0.</P
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></LI
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><LI
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><P
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><SPAN
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CLASS="QUOTE"
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>"i.1"</SPAN
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> is used by the display manager when dumbcon=1 is specified.</P
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></LI
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><LI
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><P
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><SPAN
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CLASS="QUOTE"
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>"i.2"</SPAN
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> is used by the display manager when dumbcon=2 is specified.</P
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></LI
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><LI
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><P
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><SPAN
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CLASS="QUOTE"
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>"i.3"</SPAN
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> is used by the display manager when dumbcon=3 is specified.</P
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></LI
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></UL
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><P
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>...and so on.</P
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><P
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>Therefore:</P
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><P
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></P
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><UL
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><LI
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><P
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><SPAN
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CLASS="QUOTE"
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>"i.0"</SPAN
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> should contain the definition only of your original standard X server.</P
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></LI
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><LI
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><P
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><SPAN
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CLASS="QUOTE"
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>"i.1"</SPAN
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> should contain the definitions for 2 X servers.</P
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></LI
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><LI
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><P
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><SPAN
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CLASS="QUOTE"
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>"i.2"</SPAN
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> should contain the definitions for 3 X servers.</P
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></LI
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><LI
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><P
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>...and so on.</P
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></LI
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></UL
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><P
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>If you boot without dumbcon=n or with dumbcon=0 (for example a standard kernel),
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your display manager will start a single X server with the corresponding XF86Config file.</P
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><P
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>If you start with dumbcon=1 the display manager will automatically start 2 X servers.</P
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><P
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>If you start with dumbcon=2, when booting is finished you'll get 3 login prompts on your
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3 displays.</P
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><P
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>Keep in mind that each X server should have it's own configuration file, and it should be specified in the display manager configuration file properly. Take a look at the configuration files before restarting with an activated display manager and this addition to your init scripts.</P
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><P
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>This can also be used if you have a single XFree configuration file (see <A
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HREF="no_dri.html"
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>Section 4.6</A
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>, <SPAN
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CLASS="QUOTE"
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>"For graphic cards without DRI"</SPAN
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>). In this case you will have to specify the correct layout instead of the correct XFree configuration file.</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="first_x_server.html"
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ACCESSKEY="P"
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>Prev</A
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WIDTH="34%"
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HREF="index.html"
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>Home</A
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HREF="dyn_switch_num_x_serv.html"
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ACCESSKEY="N"
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>Next</A
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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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>1st X server configuration file</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="automation.html"
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>Up</A
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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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>Dynamically switching the number of X servers</TD
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></TR
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></TABLE
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></BODY
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> |