Manual De Centos

Red Hat Enterprise Linux

Deployment Guide
5.2

Deployment_Guide
ISBN: N/A
Publication date: January 2008

Red Hat Enterprise Linux

This Deployment Guide documents relevant information regarding the deployment,
configuration and administration of Red Hat Enterprise Linux 5.2.

Red Hat Enterprise Linux: Deployment Guide
Copyright © 2008 Red Hat, Inc.
Copyright © 2008 RedHat, Inc. This material may only be distributed subject to the terms and conditions set forth in the
Open Publication License, V1.0 or later with the restrictions noted below (the latest version of the OPL is presently
available at http://www.opencontent.org/openpub/).
Distribution of substantively modified versions of this document is prohibited without the explicit permission of thecopyright holder.
Distribution of the work or derivative of the work in any standard (paper) book form for commercial purposes is
prohibited unless prior permission is obtained from the copyright holder.
Red Hat and the Red Hat "Shadow Man" logo are registered trademarks of Red Hat, Inc. in the United States and other
countries.
All other trademarks referenced herein are the property oftheir respective owners.
The GPG fingerprint of the security@redhat.com key is:
CA 20 86 86 2B D6 9D FC 65 F6 EC C4 21 91 80 CD DB 42 A6 0E

1801 Varsity Drive
Raleigh, NC 27606-2072
USA
Phone: +1 919 754 3700
Phone: 888 733 4281
Fax: +1 919 754 3701
PO Box 13588
Research Triangle Park, NC 27709
USA

Red Hat Enterprise Linux

Introduction............................................................................................................ xxv
1. Document Conventions ............................................................................... xxv
2. Send in Your Feedback ...............................................................................xxix
I. File Systems........................................................................................................... 1
1. File System Structure ..................................................................................... 3
1. Why Share a Common Structure? ........................................................... 3
2. Overview of File System Hierarchy Standard (FHS) ................................. 3
2.1. FHS Organization........................................................................ 3
3. Special File Locations Under Red Hat Enterprise Linux ............................ 8
2. The ext3 File System ...................................................................................... 9
1. Features of ext3 ..................................................................................... 9
2. Creating an ext3 File System.................................................................. 9
3. Converting to an ext3 File System ..........................................................10
4. Reverting to an ext2 File System ............................................................11
3. The proc File System ....................................................................................13
1. A Virtual FileSystem .............................................................................13
1.1. Viewing Virtual Files ...................................................................13
1.2. Changing Virtual Files ................................................................14
2. Top-level Files within the proc File System .............................................14
2.1. /proc/apm.................................................................................15
2.2. /proc/buddyinfo ......................................................................16
2.3. /proc/cmdline ..........................................................................16
2.4. /proc/cpuinfo ..........................................................................16
2.5. /proc/crypto...