<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML ><HEAD ><TITLE >Turn Monitor off, use Keyboard LEDs</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Linux Ecology-HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Reduction of Power Consumption" HREF="ecology-howto-power-consumption.html"><LINK REL="PREVIOUS" TITLE="Power Management Unit - PMU (Apple PowerBook)" HREF="ecology-howto-pmu.html"><LINK REL="NEXT" TITLE="Screensavers" HREF="ecology-howto-screensavers.html"></HEAD ><BODY CLASS="sect1" 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" >Linux Ecology-HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="ecology-howto-pmu.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 1. Reduction of Power Consumption</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="ecology-howto-screensavers.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="sect1" ><H1 CLASS="sect1" ><A NAME="ecology-howto-monitor" ></A >1.3. Turn Monitor off, use Keyboard LEDs</H1 ><P > There are some tools which allow to get information from your computer without using the monitor: <P ></P ><UL ><LI ><P > <B CLASS="command" >bl</B > : Blink Keyboard LEDs </P ></LI ><LI ><P > <B CLASS="command" >blinkd</B > : "Blinks keyboard LEDs for an answering machine or fax machine. Blinkd is a client/server pair, that lets the keyboard LEDs blink, indicating things like the number of incoming voice calls in the voice box or incoming faxes in the spool." </P ></LI ><LI ><P > <B CLASS="command" >mailleds</B > : Shows new mails with the keyboard LEDs, <B CLASS="command" >mailleds</B > is a quiet, unobtrusive way to signify that you have new mail: a user daemon to blink LEDs when there is new mail. </P ></LI ><LI ><P > <B CLASS="command" >tleds</B > : Blinks keyboard LEDs indicating TX and RX network packets. They blink Scroll-Lock LED when a network packet leaves the machine, and Num-Lock LED when one is received. </P ></LI ><LI ><P > <A HREF="http://www.iki.fi/sampo.niskanen/ledcontrol/" TARGET="_top" >ledcontrol</A >: is a program that allows you to show different information on the normally-unused LEDs on your keyboard. You can configure it to show virtually any true/false condition accessible or indicate an arbitrary number. The monitoring is by default done by shell scripts to allow for maximal configurability. </P ></LI ></UL > </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="ecology-howto-pmu.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="ecology-howto-screensavers.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Power Management Unit - PMU (Apple PowerBook)</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ecology-howto-power-consumption.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Screensavers</TD ></TR ></TABLE ></DIV ></BODY ></HTML >