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12.2. Shutting Down a Broker Remotely
Abstract
You have a number of options for stopping a broker running on a remote machine. You can stop the broker using a console or without using a console. You can also step a broker remotely using the management console.
Overview
For many use cases logging into the machine running a broker instance is impractical. In those cases, you need a way to stop a broker from a remote machine. Red Hat JBoss A-MQ offers a number of ways to accomplish this task:
- using the stop command—the stop command does not require starting an instance of the broker
- using a remote console connection—a broker's console can be used to remotely shutdown a broker on another machine
- using a fabric member's console—brokers that are part of a fabric can stop members of their fabric
- using the management console—brokers that are part of a fabric can be stopped using a management console connected to their fabricFor more information see Using the Management Console.
Using the stop command
You can stop a remote instance without starting up Red Hat JBoss A-MQ on your local host by running the stop command in the
InstallDir/bin directory. The commands syntax is shown in Example 12.2, “Stop Command Syntax”.
Example 12.2. Stop Command Syntax
stop [
-a port
] {
-h hostname
} {
-u username
} {
-p password
}
-a port- Specifies the SSH port of the remote instance. The default is 8101.
-h hostname- Specifies the hostname of the machine on which the remote instance is running.
-u username- Specifies the username used to connect to the remote broker.NoteThe default username for a broker is
karaf. -p password- Specifies the password used to connect to the remote broker.NoteThe default password for a broker is
karaf.
Example 12.3, “Stopping a Remote Broker” shows how to stop a remote broker on a machine named
NEBrokerHost2.
Example 12.3. Stopping a Remote Broker
bin/stop -u karaf -p karaf -h NEBrokerHost2Using a remote console
Red Hat JBoss A-MQ's console can be connected to a remote broker using the ssh:ssh command. Once the console is connected to the remote broker, you can shut it down by running the osgi:shutdown command. Example 12.4, “Shutting Down a Broker using a Remote Console Connection” shows the command sequence for using a remote console connection to shutdown a broker running on a machine named
NWBrokerHost.
Example 12.4. Shutting Down a Broker using a Remote Console Connection
JBossA-MQ:karaf@root>ssh -l karaf -P karaf NWBrokerHost_ ____ __ __ ____ | | _ \ /\ | \/ |/ __ \ | | |_) | ___ ___ ___ / \ ______| \ / | | | | _ | | _ < / _ \/ __/ __| / /\ \______| |\/| | | | | | |__| | |_) | (_) \__ \__ \ / ____ \ | | | | |__| | \____/|____/ \___/|___/___/ /_/ \_\ |_| |_|\___\_\ JBoss A-MQ (6.0.0.redhat-012) http://www.redhat.com/products/jbossenterprisemiddleware/amq/ Hit '<tab>' for a list of available commands and '[cmd] --help' for help on a specific command. Hit '<ctrl-d>' or 'osgi:shutdown' to shutdown JBoss A-MQ.JBossA-MQ:karaf@root>osgi:shutdownConfirm: shutdown instance root (yes/no):yesJBossA-MQ:karaf@root>JBossA-MQ:karaf@root>
Important
Pressing Control+D when connected to a remote broker closes the remote connection and returns you to the local shell.
Shutting down remote brokers in a fabric
If the broker you want to shutdown is part of a fabric, you can shut it down from any of the brokers in the fabric using the fabric:container-stop console command. fabric:container-stop takes the name of the fabric container hosting the broker as an argument. The command can be run either from a broker in console mode or using the broker's administration client.
Example 12.5, “Shutting Down a Broker in a Fabric” shows how to use the administration client to shutdown a broker running in a container named
fabric-broker3.
Example 12.5. Shutting Down a Broker in a Fabric
./bin/client fabric-broker3 fabric:container-stop