The Java Application Monitor (JAMon) is a free, simple, high performance, thread safe, Java API that allows developers to easily monitor production applications. * JAMon can be used to determine application performance bottlenecks, user/application intera
ZABBIX offers advanced monitoring, alerting and visualisation features today which are missing in other monitoring systems, even some of the best commercial ones.
GroundWork Open Source, the fastest growing provider of open source IT management software, delivers the right solution to ensure unprecedented network, system and application availability. We combine all the advantages of open source software with superior functionality, documentation, and professional support to give you unprecedented visibility and control of your entire IT infrastructure. With GroundWork Open Source you get enterprise-class IT management at a fraction of the cost. Ground Work Open Source – IT Management that is just RIGHT.
The Dude network monitor is a new application by MikroTik which can dramatically improve the way you manage your network environment. It will automatically scan all devices within specified subnets, draw and layout a map of your networks, monitor services of your devices and alert you in case some service has problems.
Need to monitor Linux server performance? Try these built-in command and a few add-on tools. Most Linux distributions are equipped with tons of monitoring. These tools provide metrics which can be used to get information about system activities. You can use these tools to find the possible causes of a performance problem. The commands discussed below are some of the most basic commands when it comes to system analysis and debugging server issues such as: Finding out bottlenecks. Disk (storage) bottlenecks. CPU and memory bottlenecks. Network bottlenecks.
SYDI is a collection of scripts to help people get started with the documentation process. What it can do is to collect information from a Windows Server (SYDI-Server) or a MS SQL Server (SYDI-SQL) or an Microsoft Exchange Organization (SYDI-Exchange) and
Sound of Traffic is a Java "application" which converts TCP/IP header information into midi notes via the Java Synthesizer. The purpose is to listen in on network traffic in ordered time, via a tempo, rather than realtime, which could be more chaotic. In
Hyperic HQ software delivers unparalleled visibility for web infrastructure to today’s IT professional. Hyperic HQ is an easy to use portal designed to auto-discover and start managing your infrastructure with one click. Open source, and available free through the industry preferred GPL license, we also offer our Silver Support package which includes additional, low cost business hours support.
Central Loghost Mini-HOWTO This page is simply a collection of open source tools you can use to glue together your own centralized (syslog) loghost. Included are example configuration settings so that you can configure your loghost in a manner similar to mine. There is very little that you need to read and understand in order to use these tools. Also, these tools are widely used and therefore easy to get help with on internet mailing lists. I established a centralized location for syslog collection in order to facilitate: Log reporting real time alerting periodic (several times per day) summary reporting Log storage long term archival for possible later analysis Tools used: UNIX hosts (Linux and Solaris) Modified logcheck script(s). Syslog-NG Swatch though I'm slowly moving to SEC, this page will be updated once I've completely switched Splunk for a GUI interface Stunnel
Here's a dirty script I wrote to install nagios and Lilac on a clean CentOS 5.4 install. This script doesn't care about anyone other than itself (it'll change the mysql password for instance) so may not be entirely perfect for your needs.
What is Zenoss?
The Zenoss project provides an integrated, easy-to-deploy and cost-effective opensource alternative for enterprise IT infrastructure monitoring. Unlike the big OSS companies (IBM, HP, CA, BMC, Amdocs) we are able to keep costs down and directly involve end users throughout the world. More details can be found here.
If you have more than one server and you can't you afford outages during work hours (and maybe: work hours means from 0:00 - 23:59h each day), then you know the problem: You have to monitor your servers, the software|application and maybe some jobs on the