Technical data

1 Overview of WebLogic System Administration
1-2 Configuring and Managing WebLogic Server
Introduction to System Administration
WebLogic Server system administration tools allow you to install, configure, monitor,
and manage one or more WebLogic Server installations. You also use the tools to
manage and monitor the applications hosted on WebLogic Server. A WebLogic Server
installation can consist of a single WebLogic Server instance or multiple instances,
each hosted on one or more physical machines.
Using the system administration tools, which include an Administration Console,
command line utilities, and an API, you manage services such as security, database
connections, messaging, and transaction processing. The tools also include capabilities
for monitoring the health of the WebLogic Server environment to ensure maximum
availability for your applications.
WebLogic Server Domains
The basic administrative unit for WebLogic Servers is called a domain. A domain is a
logically related group of WebLogic Server resources that are managed as a unit by a
WebLogic Server instance configured as the Administration Server. A domain
includes one or more WebLogic Servers and may also include WebLogic Server
clusters. Clusters are groups of WebLogic Servers that work together to provide
scalability and high-availability for applications. Applications are also deployed and
managed as part of a domain.
You can organize your domains based on criteria such as:
! Logical divisions of applications. For example, a domain devoted to end-user
functions such as shopping carts and another domain devoted to back-end
accounting applications.
! Physical location. Domains for different locations or branches of your business.
! Size. Domains organized in small units that can be managed more efficiently,
perhaps by different personnel.