Chris St. Pierre wrote:
There are lots of service monitoring tools out there (probably the
best known are Big Brother (http://www.bb4.com) and Nagios
(http://www.nagios.org). I personally use Nagios, which can be
configured to notify you via email, pager, or probably even carrier
pigeon. It can be set up to monitor individual services, too, which a
simple ping solution won't do; I find that it's far more common that,
e.g., the samba *process* crashes rather than the samba *box*, and
Nagios can tell me that. It can be a little bit of a bear to set up,
but absolutely worth it, IMHO.
Chris St. Pierre
Unix Systems Administrator
Nebraska Wesleyan University
On Thu, 14 Jul 2005, Venkat Reddy Valluri wrote:
Hi
How to find out one of linux servers is down adn is there any way for it to be informed thru email notification
Thks&Rgds
--Venkat
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These are great options, but both assume you have another box and
network to run them on (no sense in a box monitoring itself.. you have a
glaring single port of failure). If you're serious about monitoring
your server(s), your best bet is a monitoring service like those
provided by:
Keynote Red Alert -- www.redalert.com (about the best there is, but you
pay for it)
Alertra -- www.alertra.com (popular, never used them though)
SiteUptime -- www.siteuptime.com
WebsitePulse -- www.websitepulse.com
etc, etc... plenty out there just use trusty Google al la "web site
monitoring".
You wont have all of the flexibility of using your own software to
monitor, but you will have a much more effective monitoring solution
this way. It is prohibitively expensive to implement a monitoring
solution that will provide you the same level of reliability as one of
these service providers. Most if not all of the service providers
listed above provide free trials to demo their service.
Valentino D'Ostilio
GDI Professional Services
www.gdi-tech.com
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