Puppet Enterprise 2016.2

Increasing the ulimit for the pe-activemq user

The ulimit controls the number of processes and file handles that the pe-activemq user can open/process. To increase the ulimit for the pe-activemq user, edit /etc/security/limits.conf so that it contains the following:

pe-activemq   soft     nproc  8192
pe-activemq   hard     nproc  8192
pe-activemq   soft     nofile 16384
pe-activemq   hard     nofile 16384

Accessing the ActiveMQ console

In some cases, you may need to access the ActiveMQ console to troubleshoot messages, which are handled by the pe-activemq service. To do this, you will need to enable the ActiveMQ console from within the PE console by editing the enable_web_console parameter of the puppet_enterprise::profile::amq::broker class. The ActiveMQ node can be reached from whichever node has the puppet_enterprise::profile::amq::broker class.

To activate the ActiveMQ console:

  1. On the Puppet master, navigate to /etc/puppetlabs/activemq/jetty.xml.

  2. Edit jetty.xml so that the "host" value of the "connectors" property is set to "", as shown in the following example:

    <property name="connectors">
                <bean id="Connector" class="org.eclipse.jetty.server.nio.SelectChannelConnector">
                    <property name="host" value=""/>
                    <property name="port" value="8161" />
  3. From the console, click Nodes > Classification.

  4. Select the PE ActiveMQ Broker group.

  5. Click Classes.

  6. Under the puppet_enterprise::profile::amq::broker class, set the enable_web_console parameter to true.

  7. Click Add parameter, and then click the Commit change button.

  8. Run Puppet on the agents in the PE ActiveMQ Broker group.

You can reach the the ActiveMQ console from whichever node has the puppet_enterprise::profile::amq::broker class on port 8161 with /admin (e.g., http://hostname:8161/admin).

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