<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >RPM Installation?</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="The Cacti Manual" HREF="index.html"><LINK REL="UP" TITLE="Debugging" HREF="debugging.html"><LINK REL="PREVIOUS" TITLE="Miscellaneous" HREF="debug_miscellaneous.html"><LINK REL="NEXT" TITLE="Not NaN, but 0 (zero) values?" HREF="check_zero_values.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="manual.css"></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" >The Cacti Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="debug_miscellaneous.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 21. Debugging</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="check_zero_values.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="DEBUG_RPM_INSTALLATION" >RPM Installation?</A ></H1 ><P >Most rpm installations will setup the crontab entry now. If you've followed the installation instructions to the letter (which you should always do ;-) ), you may now have two poller running. That's not a good thing, though. Most rpm installations will setup cron in <TT CLASS="FILENAME" >/etc/cron.d/cacti</TT ></P ><P >Now, please check all your crontabs, especially <TT CLASS="FILENAME" >/etc/crontab</TT > and crontabs of users root and cactiuser. Leave only one poller entry for all of them. Personally, I've chosen <TT CLASS="FILENAME" >/etc/cron.d/cacti</TT > to avoid problems when updating rpm's. Mosten often, you won't remember this item when updating lots of rpm's, so I felt more secure to put it here. And I've made some slight modifications, see</P ><PRE CLASS="SCREEN" ><SAMP CLASS="PROMPT" >shell></SAMP > vi /etc/cron.d/cacti */5 * * * * cactiuser /usr/bin/php -q /var/www/html/cacti/poller.php > /var/local/log/poller.log 2>&1</PRE ><P >This will produce a file <TT CLASS="FILENAME" >/var/local/log/poller.log</TT >, which includes some additional informations from each poller's run, such as rrdtool errors. It occupies only some few bytes and will be overwritten each time.</P ><P >If you're using the crontab of user "cactiuser" instead, this will look like</P ><PRE CLASS="SCREEN" ><SAMP CLASS="PROMPT" >shell></SAMP > crontab -e -u cactiuser */5 * * * * /usr/bin/php -q /var/www/html/cacti/poller.php > /var/local/log/poller.log 2>&1</PRE ></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="debug_miscellaneous.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="check_zero_values.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Miscellaneous</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="debugging.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Not NaN, but 0 (zero) values?</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
