[leaf-devel] SNMP and RRD

2004-10-21 Thread Mike Noyes
Eric de Thouars,
Can RDD work through a secure serial line?

Chapter 13. Using SNMP and RRD to monitor your LEAF system
http://leaf-project.org/doc/guide/bk05ch13.html

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Re: [leaf-devel] SNMP and RRD

2004-10-21 Thread Charles Steinkuehler
Mike Noyes wrote:
Eric de Thouars,
Can RDD work through a secure serial line?
Define secure serial line.
AFAIK, RRD can monitor just about anything you can collect data from, 
including SNMP (for both local and remote systems), as well as the output 
from local commands (to monitor anything from free memory and HDD space to 
the performance statistics of your mail or database server).

If your secure serial line is capable of running IP or executing commands 
on the LEAF box, you should be able to monitor via RRD and SNMP (or some 
other data gathering back-end).

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Re: [leaf-devel] SNMP and RRD

2004-10-21 Thread Mike Noyes
On Thu, 2004-10-21 at 11:25, Charles Steinkuehler wrote:
 Mike Noyes wrote:
 
  Eric de Thouars,
  Can RDD work through a secure serial line?
 
 Define secure serial line.

A machine isolated from the network through a serial line connection for
logging purposes.

http://www.mail-archive.com/[EMAIL PROTECTED]/msg02404.html

Issue 74: Secure Logging Over a Network
http://www.linuxjournal.com/article.php?sid=3913

 AFAIK, RRD can monitor just about anything you can collect data from, 
 including SNMP (for both local and remote systems), as well as the output 
 from local commands (to monitor anything from free memory and HDD space to 
 the performance statistics of your mail or database server).
 
 If your secure serial line is capable of running IP or executing commands 
 on the LEAF box, you should be able to monitor via RRD and SNMP (or some 
 other data gathering back-end).

Thanks. :-)

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Mike Noyes mhnoyes at users.sourceforge.net
http://sourceforge.net/users/mhnoyes/
SF.net Projects: ffl, leaf, phpwebsite, phpwebsite-comm, sitedocs



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Re: [leaf-devel] SNMP and RRD

2004-10-21 Thread Charles Steinkuehler
Mike Noyes wrote:
On Thu, 2004-10-21 at 11:25, Charles Steinkuehler wrote:
Mike Noyes wrote:
 Eric de Thouars,
 Can RDD work through a secure serial line?
Define secure serial line.
A machine isolated from the network through a serial line connection for
logging purposes.
http://www.mail-archive.com/[EMAIL PROTECTED]/msg02404.html
Issue 74: Secure Logging Over a Network
http://www.linuxjournal.com/article.php?sid=3913
OK, I'm going to make some assumptions about this sort of setup, mainly that 
you've configured the LEAF box to spit out logging data on the serial line, 
and you've got an otherwise unconnected box at the far end of the serial 
link that's just collecting and logging the data.  I'm also assuming you 
want to run RRD on the logging box, not on the LEAF box.

In this sort of setup, there's mainly one-way connectivity (the LEAF box 
spitting serial log messages to the logging box), which is what you want.

Since you can't run arbitrary commands or communicate via networking, if you 
want to monitor the 'health' of the LEAF box (without adding a seperate, 
network connected monitoring box, which is what I'd probably do), you first 
need to setup something on the leaf box that dumps the desired information 
into the log file, which could be as simple as a crontab entry, ie:

  */5 * * * * root logger -t mydata `uptime`
would spit out uptime and load average every 5 minutes.
On the logging system, you'll need to setup something to extract the desired 
data from the logs and feed it to RRD, MRTG, or whatever other analysis tool 
you want to use (this excercise is left for the reader :-).

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