[HowTo] Get some nice Server graphs with Munin

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[HowTo] Get some nice Server graphs with Munin

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BeNe
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Post: #1

[HowTo] Get some nice Server graphs with Munin

Hello everybody,

with Omega you have a perfect tool to manage your Resellers and Customers on your Server.
It is easy and good to handle.
Sometimes it is also good to know, what your Machine does.
I mean CPU Load, Memory usage, Traffic, Mailtraffic, MySQL Stats and so on.

On Linux system is it very easy to make some nice Graphs about these.
And every Sysadmin love Graphs Wink

1.) Installation

First at all we need a Debian System, like Sarge or Etch.
We install munin with apt-get:

Code:

#apt-get install munin munin-node

2.) Configuration

After installation we must configure munin.

Code:

#vi /etc/munin/munin-node.conf

change host * to host 127.0.0.1

3.) Restart munin to bring the effect.

Code:

/etc/init.d/munin-node restart

4.) Bring munin and apache together

Munin is automatic creating a Directory under "/var/www/munin"
and set a cronjob that every 5min generate new graphs.
The only thing that we have to do, is to set this path in the Apache config. Here we need to create a new file under "/etc/apache2/sites-enabled/munin.conf"

Code:

#vi /etc/apache2/sites-enabled/munin.conf

Put this code in here:

Code:

Alias /munin "/var/www/munin"

<Directory /usr/lib/cgi-bin/awstats>

   AllowOverride AuthConfig

  Options FollowSymLinks ExecCGI

</Directory>

Restart Apache to bring the effect:

Code:

/etc/init.d/apache2 restart

6.) Check it

Now open a new Browser-Tab and check Munin:

Code:

http://www.your-domain.tld/munin

You should see something like this:

7.) .htaccess

To make it more secure, you can put a .htaccess in the directory.

Code:

#vi /var/www/munin/.htpasswd

Contents :

Code:

USERNAME:iqhCaA/JBcng.

(Password can generated here under "Kennwort")

Create a .htaccess

Code:

#vi /var/www/munin/.htaccess

Contents:

Code:

AuthType Basic

AuthName "Munin Graphs"

AuthUserFile /var/www/munin/.htpasswd

require user USERNAME

8.) Put it in your VHCS Menu

Log in as Admin -> Settings -> Custom Menus

Button name : munin
Button link : http://www.your-domain.tld/munin
Button target: http://www.your-domain.tld/munin
Show in: Administrator Level (or change it if you want)
Save.

Dont forget to wait 5min for the first Graphs Wink

Here are some Munin directories:
--------------------------------------------------------
# The Munin-Directory for Data
dbdir /var/lib/munin

# Munin -Directory for generated Websites
htmldir /var/www/munin

# The Munin logfiles
logdir /var/log/munin

# Temporary run files (pid file etc)
rundir /var/run/munin

# HTML Templates for the Munin Layout
tmpldir /etc/munin/templates

#Munin Plugin Direcotry
/usr/share/munin/plugins
-----------------------------------------------------------

Greez BeNe

:: ispCP Omega RC5 Live Demo - r1267 (19.05.08) --> http://www.isp-control.net/forum/ispcp-o...ml#pid2169 <--

This post was last modified: 03-28-2007 11:24 PM by BeNe.

03-28-2007 11:16 PM

BioALIEN
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Post: #2

RE: [HowTo] Get some nice Server graphs with Munin

Great HowTo. This is the exact reason why I want you to run the FAQ section Smile
You can also install phpsysinfo (PHP) open source project to get a good overview and stats.

Thanks and I look forward to seeing more HowTos in the future.

BioALIEN
OS: Debian 4.0 Etch
ispCP Build: RC3 r953 - 28.12.07
Mods: AWStats dynamic

This post was last modified: 03-29-2007 02:11 AM by BioALIEN.

03-29-2007 02:10 AM

soringo
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Post: #3

RE: [HowTo] Get some nice Server graphs with Munin

Amazing....that's so ..... great !!!

I've used CACTI for a long time but this is so easy...you dont need any special skills.

03-29-2007 07:07 PM

BeNe
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Post: #4

RE: [HowTo] Get some nice Server graphs with Munin

I added this to the Wiki --> http://www.isp-control.net/ispcp/wiki/howto_munin

:: ispCP Omega RC5 Live Demo - r1267 (19.05.08) --> http://www.isp-control.net/forum/ispcp-o...ml#pid2169 <--

05-30-2007 06:23 PM

MrLight
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Post: #5

RE: [HowTo] Get some nice Server graphs with Munin

Great Work.

Maybe to ad this feacher in 1.1.0?

Mr Light :-)

My Fedora setup v.01: fedora_config_v01.zip (Still not implemented)

My PHP4 Installscript for Fedora Core 6 X86_64: configphp_opt_fedora_6_X86_64.zip
(The php-4.4.6.tar.bz2 file must be in the same folder like the script. After Script finished, cd php-4.4.6;make;make install)

05-30-2007 07:30 PM

BeNe
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Post: #6

RE: [HowTo] Get some nice Server graphs with Munin

We have allready discuss about it.
There are also some other good Programms on the web with much more
functions than only display graphs. We will see.

:: ispCP Omega RC5 Live Demo - r1267 (19.05.08) --> http://www.isp-control.net/forum/ispcp-o...ml#pid2169 <--

05-30-2007 07:38 PM

Janko
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Post: #7

RE: [HowTo] Get some nice Server graphs with Munin

hi all,

how can i add more server to one overview ?

thanks for your answer Wink

greeds
sebastian

06-13-2007 03:20 PM

BeNe
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Post: #8

RE: [HowTo] Get some nice Server graphs with Munin

You can Munin only use on the localhost.
For your needs check 'cacti'

:: ispCP Omega RC5 Live Demo - r1267 (19.05.08) --> http://www.isp-control.net/forum/ispcp-o...ml#pid2169 <--

06-13-2007 03:39 PM

BarthezZ
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Post: #9

RE: [HowTo] Get some nice Server graphs with Munin

For some strange reason i'm not getting any graphs... just empty docs and some menu structure :x
debian sarge

06-14-2007 07:08 AM

ephigenie
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Post: #10

RE: [HowTo] Get some nice Server graphs with Munin

however in fact you can munin run on more than one node and send the results to one central host.

06-14-2007 05:41 PM

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