Advanced System Metrics

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The Quanta agent is able to recover advanced system data on different components of your infrastructure

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Condition:

Before going further, you need to have an Expert licence or more (to know which licence you are on: Quel est votre Quanta?)


 

For each of the services of this article, you will need to install an additional package and modify the associated configuration file if necessary (you must have configured our repository and installed our agent beforehand as explained in this article)

Packages are names quanta-agent-<strong> and their config file are stocked in:

/etc/quanta/modules.d/

You will have to reboot the agent after installing these packages

In this article

 


Install Apache  apache.png

  1. Install the package
    quanta-agent-apache
  2. Check that the status module is correctly configured on your server with the command:
    curl http://127.0.0.1/server-status
  3. If this is not the case, it will be necessary to implement the mod_status module of apache:
    https://httpd.apache.org/docs/current/mod/mod_status.html
  4. If you want to modify the URL used by our module, you can modify the file:
    /etc/quanta/modules.d/apache.yml
  5. Restart the agent and you should see metrics appear in Quanta within a few minutes.

  


Install for MYSQL mysql.png

  1. Install the package
    quanta-agent-mysql
  2. We recommend that you create a MySQL user dedicated to our probe, although it is not mandatory. To do this, use the command:
    echo "CREATE USER quanta@localhost IDENTIFIED BY 'supersecret'; " | mysql -u root -p
  3. Enter the user name and password you have chosen in the file:
    /etc/quanta/modules.d/mysqlstat.yml
  4. Restart the agent and you should see metrics appear in Quanta within a few minutes.

 


Install for Nginx nginx.png

  1. Install the package
    quanta-agent-nginx
  2. Verify that the Nginx status module is correctly configured on your server with the command:
    curl http://127.0.0.1/status
  3. If this is not the case, you will need to enter the appropriate configuration in your Nginx configuration as described here:
    http://nginx.org/en/docs/http/ngx_http_stub_status_module.html
  4. If you want to modify the URL used by our module, you can modify the file:
    /etc/quanta/modules.d/nginx.yml
  5. Restart the agent and you should see metrics appear in Quanta within a few minutes.

 


Installer pour Varnish varnish.jpeg

  1. Install the package
    quanta-agent-varnish
  2. Restart the agent and you should see metrics appear in Quanta within a few minutes.
  3. The Varnish plugin is compatible with the versions delivered by the official packages.
  4. If you use the "-n" argument in your Varnish configuration (and therefore in administration tools such as varnishstat) to specify the name of your instance, you will also need to specify this parameter in the agent configuration in the file.
    /Etc/quanta/modules.d/varnish.yml
    This setting is available from version 1.1.0 of the agent:
    varnish:
    instance: nom_de_votre_instance

 


Install for Redis redis.png

  1. Install the package
    quanta-agent-redis
  2. If you do not use the default port (6379) for Redis, you can modify it in the file
    /etc/quanta/modules.d/redis.yml
  3. Restart the agent and you should see metrics appear in Quanta within a few minutes.

 


Installer pour Memcached memcached.jpeg

  1. Install the package
    quanta-agent-memcached
  2. If you do not use the default port (11211) for Memcached, you can modify it in the file
    /etc/quanta/modules.d/memcached.yml
  3. Restart the agent and you should see metrics appear in Quanta within a few minutes.

  

And now: Don't forget to install our PHP module !
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