Re: A Linux version of system and network monitoring?

[Jaan Sarv]

- Original Message -
From: "Crawford Rainwater" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Tuesday, April 30, 2002 1:26 AM
Subject: A Linux version of system and network monitoring?


> Folks,
>
> Does anyone know of a Linux based system and network
> monitoring program out there?  Similar to Tivoli or
> HP OpenView, preferably under GPL and free?  If so,
> links and such would be great.
>
> This would be used to monitor a remote system being
> "up" or "down" along with potentially UPS networked
> device as well.
>
> Thanks in advance.
>
> --- Crawford

Maybe this will help...

Regards,

Jaan





Debian Projecthttp://www.debian.org/
Debian based Telemetry Box Distribution released[EMAIL PROTECTED]
January 25, 2001


[ This post was written by Christoph Lameter <[EMAIL PROTECTED]> ]

Version 1.0 of the Telemetry Box Distribution has finally been
released. The Tbox distribution is a Debian GNU/Linux 'potato' based
custom Linux version for remote monitoring and maintenance of networks.

A telemetry box allows remote management and diagnostics.  It uses a
customized version of netsaint to gather data.  Netsaint has been
enhanced so that the configuration is possible via the Tbox
Webinterface through SQL structures.  Netsaint logs into a SQL table.
Tools on the Tbox can then display the data in a variety of ways
(graphs or reports).

Some of the functionality of the Tbox:
- Discovery module (Scan network and write results to SQL database)
- Ticket System (Can be hooked into siteROCKs problem tracking system).
- PathFinder (Network infrastructure analysis and troubleshooting module
  written by me. Tested with monitoring all network paths to all
  educational institutions (edu.zone) for a week (3 IPs)).
- Apache/PHP/MySQL/PHPMyadmin
- Fully manageable via a webinterface. All major setup can be done
  via the Web.
- SSH/HTTPS support out of the box.
- Easy installation (network card detection, auto-partitioning and
  formatting, no useless questions asked) of Debian usable without
  any Unix know-how.
- NT Diagnostic module (NSServicer)
- Keynote data integration
- Modified CURL tool that works as a URL analyzer for netsaint.
- Report module: Performance data.  Router data and graphical reports.
- Intelligent ticket system (can localize point of network failure and
  asses impact of the failure)


Installation from CD Image
--

It is highly advisable to install from a CD image. The CD image at
 fits on a Credit Card
sized CD (only 50 MB) and contains all functionality.  I will have
these CDs physically available at the LWE in Europe at the beginning of
February.

The telemetry software can be installed as an add on to existing Debian
installations but it requires modifications to apache and/or PHP.  See
 for details.


Opensource contributions


Sources are available from .
Patches to existing software have been or will be contributed to the
respective opensource projects.

openrock.net has been outfitted with a kernel based http server (with
patches implementing range and virtual hosting).  Downloading should be
no problem.

Note that we do not consider this version to be of production quality.
Some features are only working under certain conditions.  Some
components have a prototype character.  There are various issues that
are being improved on.  Help would be appreciated.  Ideally we would
like to have everything part of standard Debian.  The biggest problem
was the ease of installation and handling which required some changes
to packages which might not be welcome.

siteROCK  the specialists for 24x7 monitoring
made this release possible.

Christoph Lameter, January 23, 2001

--
Nils Lohner E-Mail: [EMAIL PROTECTED]
Debian Press Team   Press:  [EMAIL PROTECTED]



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Re: A Linux version of system and network monitoring?

[Warren Turkal]

-BEGIN PGP SIGNED MESSAGE-
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On Tuesday 30 April 2002 12:46 am, Martin Grape wrote:
> http://www.netsaint.org/ might be what your looking for.
This has been ursurped by Nagios at http://www.nagios.org/ .
I am working on debs for it.

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Warren Turkal
Linux User
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GPG Public Key @ http://www.cbu.edu/~wturkal/wturkal.gpg
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Re: Help with managing multiple debian boxes in a lab

[Richard Arends]

On Mon, 29 Apr 2002, B. Ash wrote:

> I was wondering if anybody knew a good way to keep a Debian Lab with
> over 15 computers in sync with eachother as far as software goes?
> Doing an apt-get install for all of the machines seems redundant.  Is
> there away to setup a master Debian host that can be accessed by of a
> slave to maintain the slaves as clones of the master?

fai (fully automatic install) http://www.informatik.uni-koeln.de/fai/
cfengine http://www.cfengine.org

Greetings,

Richard.


An OS is like swiss cheese, the bigger it is, the more holes you get!


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Re: avoid user direct accec *.html

[Bart-Jan Vrielink]

On Mon, 2002-04-29 at 20:12, Patrick Hsieh wrote:

> If I want to avoid user to directly access my .html files, say type the
> complete url in the browser, is it possible?
> 
> In PHP, I can check the HTTP_REFERER to make sure connections originates
> from the same website. If the HTTP_REFERER is empty or not belongs to
> the same website, I can redirect the client to another webpage. However,
> when it comes to static .html or even .jpg files, is it possible to
> configure apache to avoid that situation?

We use mod_rewrite to block external websites from directly linking to
images on one of our websites.
Based on the situation, we either return a 403 Forbidden code or provide
a watermarked version of the requested image.

Please keep in mind the advice given by others on this list that you
can't thrust user-supplied data. You can't use HTTP_REFERER to protect
your data, but it's a great tool to stop external websites from stealing
your bandwidth.

-- 
Tot ziens,

Bart-Jan


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how to isolate iptables log ?

[Patrick Hsieh]

Hello,

Is it possible to seperate iptables log from /var/log/syslog?
I use some -j LOG stuff, but all log were put in syslog. How can I
collect them into different logfile, say /var/log/iptables.log ?


-- 
Patrick Hsieh <[EMAIL PROTECTED]>
GPG public key http://pahud.net/pubkeys/pahudatpahud.gpg


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Re: how to isolate iptables log ?

[Bart-Jan Vrielink]

On Tue, 2002-04-30 at 14:21, Patrick Hsieh wrote:

> Is it possible to seperate iptables log from /var/log/syslog?
> I use some -j LOG stuff, but all log were put in syslog. How can I
> collect them into different logfile, say /var/log/iptables.log ?

man syslog.conf(5)

Just make sure that the kern facility is not logged to /var/log/syslog.

There are other syslog variants which are better at this, but I have no
experience with them.

-- 
Tot ziens,

Bart-Jan


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Re: A Linux version of system and network monitoring?

[Mike Renfro]

On Mon, Apr 29, 2002 at 04:26:18PM -0600, Crawford Rainwater wrote:

> Does anyone know of a Linux based system and network monitoring
> program out there?  Similar to Tivoli or HP OpenView, preferably
> under GPL and free?  If so, links and such would be great.

Though it specifically says it's not trying to compete with Tivoli and
Openview: http://packages.debian.org/unstable/net/spong-server.html
(and spong-client, and spong-network, and spong-www). May have already
been mentioned on the isp list.

-- 
Mike Renfro  / R&D Engineer, Center for Manufacturing Research,
931 372-3601 / Tennessee Technological University -- [EMAIL PROTECTED]


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Re: how to isolate iptables log ?

[Wayne Tucker]

On Tue, Apr 30, 2002 at 08:21:13PM +0800, Patrick Hsieh wrote:
> Is it possible to seperate iptables log from /var/log/syslog?
> I use some -j LOG stuff, but all log were put in syslog. How can I
> collect them into different logfile, say /var/log/iptables.log ?

I believe you should be able to work around this using -j ULOG
and then configuring the userspace logging daemon (get it from
http://www.gnumonks.org/projects/ulogd) to do what you need.

Wayne


-- 
Wayne A. Tucker - [EMAIL PROTECTED]
Network Engineer, Donobi Inc.



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Re: how to isolate iptables log ?

[Markus Oswald]

On Tue, 2002-04-30 at 14:21, Patrick Hsieh wrote:

> Is it possible to seperate iptables log from /var/log/syslog?
> I use some -j LOG stuff, but all log were put in syslog. How can I
> collect them into different logfile, say /var/log/iptables.log ?

syslog-ng can filter messages using regular expressions.
Just 'apt-get install syslog-ng' (and klogd if needed)

HTH Markus
-- 
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Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896  \ Web Development


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Re: A Linux version of system and network monitoring?

[Germán Gutierrez]

Crawford Rainwater escribio:
> Folks,
>
> Does anyone know of a Linux based system and network
> monitoring program out there?  Similar to Tivoli or
> HP OpenView, preferably under GPL and free?  If so,
> links and such would be great.
>
> This would be used to monitor a remote system being
> "up" or "down" along with potentially UPS networked
> device as well.
>
> Thanks in advance.

It is not debian specific, but:
www.opennms.org

-- 
Regards,
  Germán



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Re: A Linux version of system and network monitoring?

[Javier Fernández-Sanguino Peña]

On Mon, Apr 29, 2002 at 04:26:18PM -0600, Crawford Rainwater wrote:
> Folks,
> 
> Does anyone know of a Linux based system and network
> monitoring program out there?  Similar to Tivoli or
> HP OpenView, preferably under GPL and free?  If so,
> links and such would be great.
> 
I have been looking for such a thing for quite
some time, there are already some very good answers in
this thread. In any case, free software has yet to get
to the functionality provided by the HP Openview suite
or Tivoli. For example, there is not (yet) an integrated
framework for both network management (through SNMP)
and system management (through local agents) similar
to the one provided by propietary systems.

> This would be used to monitor a remote system being
> "up" or "down" along with potentially UPS networked
> device as well.

Nobody mentioned it, but Debian ships also
with cheops which provides a GNOME gui for network monitoring.
*However* it is not as thorough as netsaint et al, useful
if you want a GUI however.

Javi


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