12.2. Start Two Application Server Instances

Before deploying the Hello World quickstart, start two instances of your application server (JBoss Enterprise Application Platform 6.x).

Procedure 12.1. Start the First Application Server Instance

Navigate to the Root Directory
In the command line terminal, navigate to the root for your JBoss server directory.
Start the First Application Server
Depending on your operating system, use the appropriate command from the following to start the first instance of your selected application server:
1. For Linux:
```
$JBOSS_HOME/bin/standalone.sh
```
2. For Windows:
```
$JBOSS_HOME\bin\standalone.bat
```

Procedure 12.2. Start the Second Application Server Instance

Clone the Application Server
Create a copy of the selected JBoss Server to create a second instance.
Navigate to the Root Directory
In the command line terminal, navigate to the root for your JBoss server directory.
Start the Second Application Server
Use the appropriate command for your operating system from the following commands. This command starts the server with the provided port offset to ensure that both the server instances run on the same host.
1. For Linux:
```
$JBOSS_HOME2/bin/standalone.sh -Djboss.socket.binding.port-offset=100
```
2. For Windows:
```
$JBOSS_HOME2\bin\standalone.bat -Djboss.socket.binding.port-offset=100
```