Sun Management Center Change Manager 1.0.1 Administration Guide

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# Change Manager Features

Change Manager enables system administrators to quickly and easily install, configure, update, and audit software running on large groups of replicated systems.

Key to accomplishing these tasks is the software stack. A software stack is a set of one or more software elements installed as a Solaris Flash archive on managed hosts. The stack is a well-defined set of files, which must include, at a minimum, the Solaris operating environment. For example, a software stack might include the Solaris 9 operating environment, with the Apache web server, and the Oracle® database.

Following are the main features of Change Manager:

- Quick and easy deployment of integrated software stacks, which are in the form of Solaris Flash archives, to managed hosts

- Rapid reprovisioning of systems to adapt to changes in the computing needs of your business

- Installation of software on a cloned group of managed hosts while they continue to run, by using the Solaris Live Upgrade feature

- Easy creation and maintenance of reference software configurations for the managed hosts

- Scheduling and automation of software installations or reprovisioning of services

- Audit of a software stack that is running on any managed host or on one or more groups of managed hosts

- Easy-to-use browser-based interface (see Appendix A, Change Manager Browser Interface Navigation (Reference)) as well as a command-line interface for scripting and for use by expert users (see the changemgr(1MCM) man page)

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