Chapter 2. Computer System Requirements 17
2.3.3.5. Installing Third-Party Utilities
You need the gunzip utility to unpack the Directory Server software. The GNU gzip and gunzip pro-
grams are described in more detail at http://www.gnu.org/software/gzip/gzip.html and can be obtained
from many software distribution sites.
You may need Adobe Acrobat Reader to read the documentation. If you do not have it installed, you
can download it from http://www.adobe.com/products/acrobat/readstep2.html.
2.3.4. Sun Solaris 9 Operating System
If you plan to install Directory Server on a machine running the Solaris 9 operating system, follow the
recommendations outlined in these sections:
• Section 2.3.4.1 Verifying Disk Space Requirements
• Section 2.3.4.2 Verifying Required System Modules
• Section 2.3.4.3 Installing Patches
• Section 2.3.4.4 Tuning the System
• Section 2.3.4.5 Setting File Descriptors
• Section 2.3.4.6 Tuning TCP Parameters.
In addition to these recommendations, be sure to check Sun’s website for the latest information per-
taining to your operating system version. For example, you should read the Solaris Operating En-
vironment Security Sun Blueprint at http://www.sun.com/blueprints/0100/security.pdf for advice on
guarding against potential security threats.
Below are two URLs that you may find useful:
• http://docs.sun.com
• http://sunsolve.sun.com
2.3.4.1. Verifying Disk Space Requirements
Ensure that you have sufficient disk space before downloading the Directory Server software.
• Download drive: 120 MB
• Partition containing /opt/redhat-ds: 2 GB
2.3.4.2. Verifying Required System Modules
Directory Server requires the use of an UltraSPARC (SPARC v9) processor, as this processor in-
cludes support for high-performance and multiprocessor systems. Earlier SPARC processors are not
supported.
If you run Directory Server on a 64-bit Sun Solaris 8 UltraSPARC machine, it runs as a 32-bit appli-
cation.
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