Archive for category News

Installing and Configuring Nagios Ubuntu 11.04

Nagios Logo

Nagios is the Industry Standard Network Monitoring Engine. OK great so what’s that mean, well Nagios is a server that monitors your hosts and services and will inform you if something goes wrong and when it is fixed again. It can monitor network services, host resources and even network probes such as temperature and moisture.

These features as well as many more make Nagios, by far, the most complete open-source Network Monitoring tool on the market, however with all these features comes complexity and Nagios has obviously been designed with the experienced Network Administrator in mind. But don’t worry too much, its not that difficult to learn as long as you take it one step at a time, and in today’s tutorial we’re going to look at the first step, actually getting it installed Read the rest of this entry »

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Install or upgrade Nagios to version 3.2.2

Nagios Core have been updated to 3.2.2
The update/installation process is not different as the one described in the main article Read the rest of this entry »

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Amazon Upgrade Scalability

Yesterday Amazon Web Services upgraded its EC2 Management Console to make it even easier to scale your applications, as Amazon puts it: “You can now change the instance type of a stopped, EBS-backed EC2 instance. This means that you can scale up or scale down as your needs change,”. Read the rest of this entry »

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New EC2 Cluster Compute Instances

When I heard the news that Amazon Web Services has just released there new “Cluster Compute Quadruple Extra Large” instance (cc1.4xlarge), I couldn’t help but give it ago. On paper this instance should have more CPU power then any other instance, at around 33.5GHz witch is substantially more then the c1.xlarge that has only 20Ghz of CPU power. This coupled with a 10 Gigabit Ethernet connection makes this instance ideal for High Performance Clustered Applications.

So does it live up to expectations, well I’m going to run some LINPACK benchmarks on this new instance to see how fast it relay is, and compare it to the other amazon instances. So… Read the rest of this entry »

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