After the linux (DEB or RPM) driver is installed, a DSN with the name DEVART_SQLAZURE is created. You can use it to test the connection with the SQLAZURE server. For this, perform the following steps:
User ID=<your SQL Azure User Name>
Password=<your SQL Azure password>
Server=<your SQL Azure server address>
Port=<your SQL Azure Port>
Database=<your SQL Azure database name>
isql -v DEVART_SQLAZURE