Setting up a monitor for an Apache web service for a Linode

One of the basic principles for systems management is monitoring. You need to monitor to be able to guarantee availability, reliability, and performance of your systems, whether it is physical servers or cloud servers. This tutorial addresses the added value ECmanaged offers to the monitoring of your Linode SSD Linux servers or any other Cloud server.

ECmanaged offers you more than the standard Linode Long View monitor panel, or most Cloud provider dashboards. In addition to bandwidth usage, CPU and disk capacity monitoring, ECmanaged will also inform you about performance and user experience. The monitoring data is kept up to one year (data retention).
Powerful monitor feature of ECmanaged will give you a complete overview of the status of your Cloud servers and applications. In this tutorial, we will show you just how easy it is to set up the ECmanaged monitor for an Apache web.
How to setup a monitor for an Apache web service
 After creating a configurable LAMP Cloud server on Linode you can easily setup a monitor for the Apache web service. It will take you around 2 minutes.
 First, you need to navigate to the Monitor View tab of your Cloud server.
The capacity and performance monitors are active by default. Go to the Availability tab and then click on the “new monitor” button and a 3-step wizard will pop up.

 Step 1: Name the monitor
 First, the wizard will ask you to name the monitor. This is important as it will allow both you and the “autosolver” to identify the monitor later. The autosolver can then run actions based on specific thresholds. We will get to that in the next step.
In this example, we will choose the External checks as the category and use the Check HTTP as the monitor type. Click next to go to the next wizard screen.

Step 2: Set the monitoring criteria
Now you are ready to set the monitoring criteria. How frequent does the monitor need to perform check, how many times it should try before modifying its state, and what should be the threshold for a warning or for a situation to become critical? You can alter these criteria or use the default numbers. Click next to go to the final screen of the wizard.
The real added value of ECmanaged lies in its ability to react when and how you want it to. ECmanaged allows you to setup different reactions and schedule them in conjunction with the state of your Cloud server (i.e., Critical, Warning, or Recovery). You can include as many reactions as you deem necessary to solve an incident. You can also define your own code, run an autosolver or even setup a reboot for the worst-case scenario.

Step 3: Save the data. The monitor is created instantaneously
 After you defined the reactions you want ECmanaged to carry out, you should save the data. ECmanaged will instantaneously create the new monitor on its backend servers. It will feature on your dashboard alongside the capacity and performance monitors.

Conclusion: powerful monitoring as easy as 1-2-3
With ECmanaged you are not only able to monitor the capacity and performance of your servers, but also automatically react to solve the incidents. ECmanaged provides you with a full set of monitors that you can install automatically. You just need to follow a simple 3-step wizard.

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