Solaris Solutions for System Administrators: Time-Saving by Sandra Henry-Stocker
By Sandra Henry-Stocker
- Teaches easy methods to paintings clever and stay away from the numerous pitfalls of handling Solaris systems
- Covers the most recent free up of Solaris, Solaris nine, in addition to prior versions
- Written via specialists with years of Solaris experience
- Packed with useful, hands-on ideas to difficult difficulties, displaying how you can steer clear of expensive mistakes
- Tackles dealing with approach functionality; the sunlight fireplace line of Solaris firm servers; fitting, configuring, and patching Solaris; and making sure security
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Extra resources for Solaris Solutions for System Administrators: Time-Saving Tips, Techniques, and Workarounds, Second Edition
Example text
13 14 Chapter 1 Sockets are special files used for communications between processes, generally between systems. Client/server applications, as well as many network services, use sockets. Named pipes—also called FIFOs for “first in, first out”—are special files used for communications between processes, generally on the same system. Symbolic links are pointers to other files. They are similar but not identical to shortcuts in Windows. Symbolic links—sometimes called symlinks or soft links—contain the names of the files they point to.
We briefly describe swapping a little later in this chapter. The Network File System (NFS), now available on virtually every operating system, ties systems together by providing an intuitive file-sharing mechanism across a network and divergent platforms. , whether the processor orders bytes into words using the big-endian or little-endian method) are transparent. With automount support, NFS performance can be greatly improved. When file systems are mounted as needed and unmounted after a period of nonuse, considerable file system overhead is avoided.
The NFS log daemon also maintains a mapping of file handles to pathnames so that it will be able to create reports that will be meaningful to those who read them later. After all, file handles are temporary and not particularly human-friendly. This mapping is updated any time a client performs a lookup. To ensure the resiliency of NFS, this mapping file (also referred to as a mapping “database”) is also stored on disk—in a location determined by the configuration file—so that the associations between file handles and paths can survive a reboot of the server.