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Installing Red Hat* Enterprise Linux 4*
Intel® Server Board S5000PAL
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• Disable — Select Disable if you do not want SELinux security controls enabled on this system. The
Disabled setting turns enforcing off and does not set up the machine for the use of a security
policy.
• Warn — Select Warn to be notified of any denials. The Warn state assigns labels to data and
programs, and logs them, but does not enforce any policies. The Warn state is a good starting place
for users who eventually want a fully active SELinux policy, but who first want to see what effects
the policy would have on their general system operation. Note that users selecting the Warn state
may notice some false positive and negative notifications.
• Active — Select Active if you want SELinux to act in a fully active state. The Active state enforces
all policies, such as denying access to unauthorized users for certain files and programs, for
additional system protection. Choose this state only if you are sure that your system can still
properly function with SELinux fully enabled.
• For additional information about SELinux, refer to the following URLs:
- http://www.redhat.com/docs/
- http://www.nsa.gov/selinux/
Tip: To change your security configuration after you have completed the installation, use the
Security Level Configuration Tool.
Type the system-config-securitylevel command in a shell prompt to launch the Security Level
Configuration Tool. If you are not root, it prompts you for the root password to continue.
Language Support Selection
You can install and support multiple languages for use on your system.
You must select a language to use as the default language. The default language is the language used
on the system once the installation is complete. Typically, the default language is the language you
selected to use during the installation.
If you choose to install other languages during this installation, you can change your default language
after the installation. If you are only going to use one language on your system, selecting only that
language saves significant disk space.