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FELIPE FERREIRA

FELIPE FERREIRA

System Administrator

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Month: August 2010

By : Felipe Ferreira19/08/2010
HowTo, Linux 1 Comment on socket:java.net.SocketException: Too many open files

socket:java.net.SocketException: Too many open files

On our Glassfish enviroment we started seeing the following error:
socket:java.net.SocketException: Too many open files
Its caused by a limit on the OS. To find out your OS limit type:…

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Tags: files GlassFish java lsof many open solution too ulimit
By : Felipe Ferreira18/08/2010
HowTo, Linux Leave a Comment on Nagios and Centreon online demo

Nagios and Centreon online demo

Demonstrations of Nagios and Centreon
Nagios XI (the new paid version):
http://nagiosxi.demos.nagios.com/
user: nagiosadmin
pass: nagiosadmin
Centreon (My Faviroute)
http://demo.centreon.com/
Go directly to it

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Tags: centreon demo Nagios online
By : Felipe Ferreira17/08/2010
HowTo, Windows Leave a Comment on WinHTTP AutoProxy Support

WinHTTP AutoProxy Support

Our windows event logs are filling with useless messages.
I went ahead and disable that useless services.
Event Type: Information
Event Source: WinHttpAutoProxySvc
Event ID: 12503
The WinHTTP Web Proxy …

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Tags: Auto-Discovery event eventvwr proxy service web windows WinHTTP
By : Felipe Ferreira11/08/2010
Nagios, plugins 2 Comments on Nagios check_con

Nagios check_con

I wrote a simple plugin to check the number of established connections
to a windows server. Just execute:
cmd /c netstat -an |find /i “estab” /c
I also wrote a …

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Tags: bash check check_con connections established Linux Nagios script Server vbs vbscript windows
By : Felipe Ferreira05/08/2010
Nagios Leave a Comment on nagios tray

nagios tray

Nagstamon is a Nagios status monitor for the desktop. It connects to multiple Nagios, Opsview and Centreon monitoring servers and resides in systray or as a floating statusbar at the …

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Tags: desktop Nagios nagiostatmon plugin tray windows
By : Felipe Ferreira05/08/2010
HowTo, Linux, Nagios, plugins Leave a Comment on Monitor Varnish with Nagios

Monitor Varnish with Nagios

Varnish is an amazing reverse proxy product and it does its
job very well, but how can we know that? Or even better
how can we know it detected problems …

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Tags: backend bash cache centreon check graph monitor Nagios plugins script scripts shell varnish web
By : Felipe Ferreira04/08/2010
News Leave a Comment on System Administrator Appreciation Day

System Administrator Appreciation Day

System Administrator Appreciation Day
July 29, 2011 (Last Friday Of July) 12th Annual
A sysadmin unpacked the server for this website from its box, installed an operating system, patched it …

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