February 2009
Intermediate to advanced
1008 pages
25h 24m
English
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Chapter 13. Service Management
IN THIS CHAPTER
Processes and services
Service manifests and methods
Service management commands
Restarters and the SMF repository
Customizing SMF services
Since the first versions of UNIX in 1969, one of the core abstractions in the operating system is the process, used to provide multi-programming and scheduling of system resources. OpenSolaris, of course, continues to use the process for essentially the same purposes as earlier versions of UNIX. However, beginning with Solaris 10, a higher-level abstraction called a service has become central to the system administration model. Chapter 3 briefly introduced the idea of services and the most basic commands used to manipulate them. Chapter 12 described fault management, which together with service management, provides the predictive self-healing feature of OpenSolaris. In this chapter, you'll gain an in-depth understanding of OpenSolaris service management and learn how to develop your own services.
Processes and Services
Considering the deep roots of the process model in UNIX and the commonality it represents with other operating systems, it's logical to ask why OpenSolaris has added the concept of a service to the system. After all, a service is implemented in terms of processes, so what does the service provide that a process doesn't?
The highly oversimplified answer to this question is that not all processes are equally important. After all, a process is created to execute almost every command that you ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.