Como configurar o MRTG no Ubuntu.

th2mil
(usa Ubuntu)

Enviado em 17/11/2011 - 00:21h

Estou tentando configurar o MRTG no Ubuntu, só que só acho material sobre o Debian
Estou até com esse tutorial, http://www.marcoshenrique.com/linux_monitoramento_mrtg.php
Ele funciona para gerenciar máquinas Windows porém na hora de mandar gerar a página para máquinas Linux Ubuntu dá a seguinte mensagem Use of uninitialized value $first in hash element at /usr/bin/indexmaker line 353
Alguém sabe o que posso fazer?
Obrigado

cavalcantee
(usa Ubuntu)

Enviado em 21/11/2011 - 11:14h

Olha eu não fui muito afundo no mrtg pq não utilizo a ferramenta,
mais vamos lá:

Parece-me que é por conta do arquivo de indice html com algum problema.

Verifica o diretório /var/www/mrtg para ver se já existe o arquivo index.html

Caso não tente usar o indexmaker para criar a página HTML. Algo como isso:
indexmaker --output '/var/www/mrtg/index.html' /etc/mrtg.cfg

Tenta rodar o mrtg com o comando e posta aqui o que retorna:

#mrtg /etc/mrtg.cfg


Aqui também deixo alguns materiais em links para instalação da ferramenta no ubuntu:

http://linuxbasement.com/content/mrtg-ubuntu-server (inglês)

http://aprendendoubuntu.blogspot.com/2011/01/como-instalar-mrtg-no-ubuntu.html

http://felipe.tocchetto.com/files/ (PDF)

th2mil
(usa Ubuntu)

Enviado em 21/11/2011 - 11:28h

Eu não estou rodando a partir do mrtg.cfg
Eu crio um arquivo de configuração pelo cfgmaker --output /etc/mrtg/xxx.cfg comunidade@ip_dispositivo
Quando crio, para o Windows ele retorna uma série de consultas com dados sobre tráfego da rede
Para o linux ou ele não retorna nada, ou as consultas comentadas, porém quando descomento ela não dá resultado nenhum.

# Created by 

# /usr/bin/cfgmaker --output /etc/mrtg/teste.cfg public@192.168.1.101





### Global Config Options



#  for UNIX

# WorkDir: /home/http/mrtg



#  for Debian

WorkDir: /var/www/mrtg/teste



#  or for NT

# WorkDir: c:\mrtgdata



### Global Defaults



#  to get bits instead of bytes and graphs growing to the right

Options[_]: growright, bits



EnableIPv6: no



######################################################################

# System: Thiago

# Description: Linux Thiago 2.6.35-31-generic #62-Ubuntu SMP Tue Nov 8 14:00:30 UTC 2011 i686

# Contact: Me <me@example.org>

# Location: Sitting on the Dock of the Bay

######################################################################





### Interface 1 >> Descr: 'lo' | Name: 'lo' | Ip: '127.0.0.1' | Eth: '' ###

### The following interface is commented out because:

### * it is a Software Loopback interface

# 

# Target[192.168.1.101_lo]: #lo:public@192.168.1.101:

# SetEnv[192.168.1.101_lo]: MRTG_INT_IP="127.0.0.1" MRTG_INT_DESCR="lo"

# MaxBytes[192.168.1.101_lo]: 1250000

# Title[192.168.1.101_lo]: Traffic Analysis for lo -- Thiago

# PageTop[192.168.1.101_lo]: <h1>Traffic Analysis for lo -- Thiago</h1>

# 		<div id="sysdetails">

# 			<table>

# 				<tr>

# 					<td>System:</td>

# 					<td>Thiago in Sitting on the Dock of the Bay</td>

# 				</tr>

# 				<tr>

# 					<td>Maintainer:</td>

# 					<td>Me &lt;me@example.org&gt;</td>

# 				</tr>

# 				<tr>

# 					<td>Description:</td>

# 					<td>lo  </td>

# 				</tr>

# 				<tr>

# 					<td>ifType:</td>

# 					<td>softwareLoopback (24)</td>

# 				</tr>

# 				<tr>

# 					<td>ifName:</td>

# 					<td>lo</td>

# 				</tr>

# 				<tr>

# 					<td>Max Speed:</td>

# 					<td>1250.0 kBytes/s</td>

# 				</tr>

# 				<tr>

# 					<td>Ip:</td>

# 					<td>127.0.0.1 (localhost.localdomain)</td>

# 				</tr>

# 			</table>

# 		</div>





### Interface 2 >> Descr: 'eth0' | Name: 'eth0' | Ip: '192.168.1.101' | Eth: '30-78-30-38-30-30-32-37-34-64-32-66-35-32' ###

### The following interface is commented out because:

### * has a speed of 0 which makes no sense

# 

# Target[192.168.1.101_eth0]: #eth0:public@192.168.1.101:

# SetEnv[192.168.1.101_eth0]: MRTG_INT_IP="192.168.1.101" MRTG_INT_DESCR="eth0"

# MaxBytes[192.168.1.101_eth0]: 0

# Title[192.168.1.101_eth0]: Traffic Analysis for eth0 -- Thiago

# PageTop[192.168.1.101_eth0]: <h1>Traffic Analysis for eth0 -- Thiago</h1>

# 		<div id="sysdetails">

# 			<table>

# 				<tr>

# 					<td>System:</td>

# 					<td>Thiago in Sitting on the Dock of the Bay</td>

# 				</tr>

# 				<tr>

# 					<td>Maintainer:</td>

# 					<td>Me &lt;me@example.org&gt;</td>

# 				</tr>

# 				<tr>

# 					<td>Description:</td>

# 					<td>eth0  </td>

# 				</tr>

# 				<tr>

# 					<td>ifType:</td>

# 					<td>ethernetCsmacd (6)</td>

# 				</tr>

# 				<tr>

# 					<td>ifName:</td>

# 					<td>eth0</td>

# 				</tr>

# 				<tr>

# 					<td>Max Speed:</td>

# 					<td>0.0 Bytes/s</td>

# 				</tr>

# 				<tr>

# 					<td>Ip:</td>

# 					<td>192.168.1.101 (Thiago)</td>

# 				</tr>

# 			</table>

# 		</div>

 

mrtg /etc/mrtg/teste.cfg
-----------------------------------------------------------------------
ERROR: Mrtg will most likely not work properly when the environment
variable LANG is set to UTF-8. Please run mrtg in an environment
where this is not the case. Try the following command to start:

env LANG=C /usr/bin/mrtg /etc/mrtg/teste.cfg
-----------------------------------------------------------------------
Na pasta quando rodo o env LANG=C mrtg /etc/mrtg/xxx.cfg ele cria o arquivo html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<HTML>

<HEAD>

    <TITLE>MRTG Index Page</TITLE>

    <!-- Command line is easier to read using "View Page Properties" of your browser -->

    <!-- But not all browsers show that information. :-(                             -->

    <meta http-equiv="content-type" content="text/html; charset=iso-8859-15" >

    <META NAME="Command-Line" CONTENT="/usr/bin/indexmaker --output=/var/www/mrtg/teste/index.html /etc/mrtg/teste.cfg" >

    <META HTTP-EQUIV="Refresh" CONTENT="300" >

    <META HTTP-EQUIV="Cache-Control" content="no-cache" >

    <META HTTP-EQUIV="Pragma" CONTENT="no-cache" >

    <META HTTP-EQUIV="Expires" CONTENT="Mon, 21 Nov 2011 13:24:43 GMT" >

    <LINK HREF="favicon.ico" rel="shortcut icon" >

    

<style type="text/css">

/* commandline was: /usr/bin/indexmaker --output=/var/www/mrtg/teste/index.html /etc/mrtg/teste.cfg */

/* sorry, no style, just abusing this to place the commandline and pass validation */

</style>

</HEAD>



<BODY bgcolor="#ffffff" text="#000000" link="#000000" vlink="#000000" alink="#000000">





<H1>MRTG Index Page</H1>



<TABLE BORDER=0 CELLPADDING=0 CELLSPACING=10>

<tr>

<td></td>

</tr>

</TABLE>



<BR>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0>

  <TR>

    <TD WIDTH=63><A

    HREF="http://oss.oetiker.ch/mrtg/"><IMG

    BORDER=0 SRC="mrtg-l.png" WIDTH=63 HEIGHT=25 ALT="MRTG"></A></TD>

    <TD WIDTH=25><A

    HREF="http://oss.oetiker.ch/mrtg/"><IMG

    BORDER=0 SRC="mrtg-m.png" WIDTH=25 HEIGHT=25 ALT=""></A></TD>

    <TD WIDTH=388><A

    HREF="http://oss.oetiker.ch/mrtg/"><IMG

    BORDER=0 SRC="mrtg-r.png" WIDTH=388 HEIGHT=25

    ALT="Multi Router Traffic Grapher"></A></TD>

  </TR>

</TABLE>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0>

  <TR VALIGN=top>

  <TD WIDTH=88 ALIGN=RIGHT><FONT FACE="Arial,Helvetica" SIZE=2>

  version 2.16.3</FONT></TD>

  <TD WIDTH=388 ALIGN=RIGHT><FONT FACE="Arial,Helvetica" SIZE=2>

  <A HREF="http://tobi.oetiker.ch/">Tobias Oetiker</A>

  <A HREF="mailto:tobi+mrtglink@oetiker.ch">&lt;tobi@oetiker.ch&gt;</A>

  and&nbsp;<A HREF="http://www.bungi.com/">Dave&nbsp;Rand</A>&nbsp;<A HREF="mailto:dlr@bungi.com">&lt;dlr@bungi.com&gt;</A></FONT>

  </TD>

</TR>

</TABLE>

</BODY>

</HTML>

 

cavalcantee
(usa Ubuntu)

Enviado em 21/11/2011 - 12:33h

Tenta usar esse comando e refazer o teste:

#export LANG=C

th2mil
(usa Ubuntu)

Enviado em 21/11/2011 - 14:38h

o export LANG=C é para depois não ter que escrever no env
LANG=C não é?


Mas o que achei estranho foi o fato dele não gerar a consulta por padrão para os pcs com Linux, quando dá o cfgmaker.
Meu /etc/snmp/snmpd.conf tá com essa configuração

###############################################################################

#

# EXAMPLE.conf:

#   An example configuration file for configuring the Net-SNMP agent ('snmpd')

#   See the 'snmpd.conf(5)' man page for details

#

#  Some entries are deliberately commented out, and will need to be explicitly activated

#

###############################################################################

#

#  AGENT BEHAVIOUR

#



#  Listen for connections from the local system only

#agentAddress  udp:127.0.0.1:161

#  Listen for connections on all interfaces (both IPv4 *and* IPv6)

agentAddress udp:161,udp6:[::1]:161







###############################################################################

#

#  SNMPv3 AUTHENTICATION

#

#  Note that these particular settings don't actually belong here.

#  They should be copied to the file /var/lib/snmp/snmpd.conf

#     and the passwords changed, before being uncommented in that file *only*.

#  Then restart the agent



#  createUser authOnlyUser  MD5 "remember to change this password"

#  createUser authPrivUser  SHA "remember to change this one too"  DES

#  createUser internalUser  MD5 "this is only ever used internally, but still change the password"



#  If you also change the usernames (which might be sensible),

#  then remember to update the other occurances in this example config file to match.







###############################################################################

#

#  ACCESS CONTROL

#



                                                 #  system + hrSystem groups only

view   systemonly  included   .1.3.6.1.2.1.1

view   systemonly  included   .1.3.6.1.2.1.25.1



                                                 #  Full access from the local host

rocommunity public  localhost

rocommunity public

                                                 #  Default access to basic system info

 rocommunity public  default    -V systemonly



                                                 #  Full access from an example network

                                                 #     Adjust this network address to match your local

                                                 #     settings, change the community string,

                                                 #     and check the 'agentAddress' setting above

#rocommunity secret  10.0.0.0/16



                                                 #  Full read-only access for SNMPv3

 rouser   authOnlyUser

                                                 #  Full write access for encrypted requests

                                                 #     Remember to activate the 'createUser' lines above

#rwuser   authPrivUser   priv



#  It's no longer typically necessary to use the full 'com2sec/group/access' configuration

#  r[ou]user and r[ow]community, together with suitable views, should cover most requirements







###############################################################################

#

#  SYSTEM INFORMATION

#



#  Note that setting these values here, results in the corresponding MIB objects being 'read-only'

#  See snmpd.conf(5) for more details

sysLocation    Sitting on the Dock of the Bay

sysContact     Me <me@example.org>

                                                 # Application + End-to-End layers

sysServices    72





#

#  Process Monitoring

#

                               # At least one  'mountd' process

proc  mountd

                               # No more than 4 'ntalkd' processes - 0 is OK

proc  ntalkd    4

                               # At least one 'sendmail' process, but no more than 10

proc  sendmail 10 1



#  Walk the UCD-SNMP-MIB::prTable to see the resulting output

#  Note that this table will be empty if there are no "proc" entries in the snmpd.conf file





#

#  Disk Monitoring

#

                               # 10MBs required on root disk, 5% free on /var, 10% free on all other disks

disk       /     10000

disk       /var  5%

includeAllDisks  10%



#  Walk the UCD-SNMP-MIB::dskTable to see the resulting output

#  Note that this table will be empty if there are no "disk" entries in the snmpd.conf file





#

#  System Load

#

                               # Unacceptable 1-, 5-, and 15-minute load averages

load   12 10 5



#  Walk the UCD-SNMP-MIB::laTable to see the resulting output

#  Note that this table *will* be populated, even without a "load" entry in the snmpd.conf file







###############################################################################

#

#  ACTIVE MONITORING

#



                                    #   send SNMPv1  traps

 trapsink     localhost public

                                    #   send SNMPv2c traps

trap2sink    localhost public

                                    #   send SNMPv2c INFORMs

informsink   localhost public



#  Note that you typically only want *one* of these three lines

#  Uncommenting two (or all three) will result in multiple copies of each notification.





#

#  Event MIB - automatically generate alerts

#

                                   # Remember to activate the 'createUser' lines above

iquerySecName   internalUser       

rouser          internalUser

                                   # generate traps on UCD error conditions

defaultMonitors          yes

                                   # generate traps on linkUp/Down

linkUpDownNotifications  yes







###############################################################################

#

#  EXTENDING THE AGENT

#



#

#  Arbitrary extension commands

#

 extend    test1   /bin/echo  Hello, world!

 extend-sh test2   echo Hello, world! ; echo Hi there ; exit 35

#extend-sh test3   /bin/sh /tmp/shtest



#  Note that this last entry requires the script '/tmp/shtest' to be created first,

#    containing the same three shell commands, before the line is uncommented



#  Walk the NET-SNMP-EXTEND-MIB tables (nsExtendConfigTable, nsExtendOutput1Table

#     and nsExtendOutput2Table) to see the resulting output



#  Note that the "extend" directive supercedes the previous "exec" and "sh" directives

#  However, walking the UCD-SNMP-MIB::extTable should still returns the same output,

#     as well as the fuller results in the above tables.





#

#  "Pass-through" MIB extension command

#

#pass .1.3.6.1.4.1.8072.2.255  /bin/sh       PREFIX/local/passtest

#pass .1.3.6.1.4.1.8072.2.255  /usr/bin/perl PREFIX/local/passtest.pl



# Note that this requires one of the two 'passtest' scripts to be installed first,

#    before the appropriate line is uncommented.

# These scripts can be found in the 'local' directory of the source distribution,

#     and are not installed automatically.



#  Walk the NET-SNMP-PASS-MIB::netSnmpPassExamples subtree to see the resulting output





#

#  AgentX Sub-agents

#

                                           #  Run as an AgentX master agent

 master          agentx

                                           #  Listen for network connections (from localhost)

                                           #    rather than the default named socket /var/agentx/master

#agentXSocket    tcp:localhost:705

 

Será que tem algo errado?
Obrigado

th2mil
(usa Ubuntu)

Enviado em 21/11/2011 - 23:35h

Consegui rodar
Antes de executar o cfgmaker tenho que reiniciar o serviço do snmpd da máquina agente (não sei porque ainda), mas funcionou.
Se por acaso souber
Obrigado