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Index: R

RAID (Redundant Array of Inexpensive Disks), definition: 8.2. Choosing the Right Hardware

RAM (Random Access Memory): 5.11.2. Swapping Prevention

definition: 8.2. Choosing the Right Hardware

read-only scalars: 10.1.2.1. Variable unsharing caused by regular expressions

readonly pragma, scalars and: 10.1.2.1. Variable unsharing caused by regular expressions

read/write access, DBM: 19.6.2. Read/Write Access

real memory, usage: 10.1.1. Calculating Real Memory Usage

rebooting server scripts: 5.7. Preparing for Machine Reboot

Recall web site: 5.12. References

recipes

authentication mechanism emulation: A.1. Emulating the Authentication Mechanism

CGI::params and: A.8. CGI::params in the mod_perlish Way

child processes, terminating on request completion: A.13. Terminating a Child Process on Request Completion

cookie handling: A.5. Handling Cookies

cookies, sending multiple with mod_perl API: A.6. Sending Multiple Cookies with the mod_perl API

mod_rewrite in Perl: A.10. mod_rewrite in Perl

PerlHandler, setting based on MIME type: A.11. Setting PerlHandler Based on MIME Type

POST request data reuse: A.2. Reusing Data from POST Requests

POST request redirection: A.3. Redirecting POST Requests

REDIRECT responses, sending cookies: A.7. Sending Cookies in REDIRECT Responses

redirection, environment variables and: A.4. Redirecting While Maintaining Environment Variables

sending email from mod_perl: A.9. Sending Email from mod_perl

singleton database handles: A.12. Singleton Database Handles

RECNO access method, DBM: 19. DBM and mod_perl

recursion, XSLT templates and: E.5.2. Template Rules and Recursion

Red Hat Linux, libgdbm errors: 3.1.8.2. Missing or misconfigured libgdbm.so

Red Hat Package Manager (see RPM)

REDIRECT responses, cookies and: A.7. Sending Cookies in REDIRECT Responses

redirection

environment variable maintenance and: A.4. Redirecting While Maintaining Environment Variables

POST requests: A.3. Redirecting POST Requests

references, perlref manpage: 14.2.5. Passing Variables

REGEX library (Stronghold), troubleshooting core dumps: 3.6.4. Installing mod_perl with Stronghold

registry loader: Translcation of uri to filename failed, message: 22.1.4. RegistryLoader: Translation of uri [...] to filename failed

registry, scripts, preloading at server startup: 10.1.4. Preloading Registry Scripts at Server Startup

registry section configuration, mod_perl 2.0: 25.1.4. ModPerl::Registry Family

regular expressions

Apache configuration files: 4.1.3.1. <Directory directoryPath> ... </Directory>

Apache::Registry limitations and: 1.3.1. Running CGI Scripts with mod_perl

information resources: 4.12. References

optimizing: 6.5.3. Compiled Regular Expressions

repeated matching: 6.5.3.1. Matching patterns repeatedly

shared variables: 10.1.2.1. Variable unsharing caused by regular expressions

relational databases, performance and: 20.2.5. Running Two or More Relational Databases

reloading modules: B.1.1. Apache::Reload—Automatically Reload Changed Modules

REMOTE_ADDR variable: 1.1.3. Apache CGI Handling with mod_cgi

render( ): 6.12. Method Handlers: The Browse and See, Browse and View Example

reporting problems to mailing list, backtrace from core dumps: 23.1.1. Getting the Backtrace from Core Dumps

reporting problems to mod_perl mailing list: 23.1. How to Report Problems

spinning processes: 23.1.2. Spinning Processes

reports

Apache::VMonitor

multi-process and overall status: 5.10.2.2. Multi-processes and system overall status reporting mode

single-process: 5.10.2.3. Single-process extensive reporting system

server configuration: 4.8. Enabling Remote Server Configuration Reports

request filters: 25.3.2. Filter Configuration

request input filter: 25.3.3.2. Bucket brigade-based HTTP request input filter

request loop, phases: 4.2.4. Perl*Handlers

request phases, examining: 4.2.6. Investigating the Request Phases

request processing, Apache: 1.4. Apache 1.3 Request Processing Phases

request-rate speed, limiting: 5.11.6. Limiting the Request-Rate Speed (Robot Blocking)

REQUEST_METHOD variable: 1.1.3. Apache CGI Handling with mod_cgi

requests

MaxClients directive: 11.1. Setting the MaxClients Directive

number processed, performance and: 7.2. Asking the Right Questions

process speed, performance and: 7.2. Asking the Right Questions

querying start time: 13.8. time( ) System Call Versus $r->request_time

queued, configuring maximum number of: 1.2.1. Forking

serving: 4.1.3. <Directory>, <Location>, and <Files> Sections

terminating child processes on completion: A.13. Terminating a Child Process on Request Completion

requirements (see system requirements)

resource locking

critical sections: 6.9.2.1. Critical section

DBM and: 19.2. Resource Locking

resource usage issues: 3.9.5. Nonstandard mod_perl-Enabled Apache Installation

resources

Apache: 23.3.5. Apache

child processes, limiting: 5.11.3. Limiting Resources Used by Apache Child Processes

CVS: 23.3.8. CVS

DBI module: 23.3.6. DBI and SQL

MaxClients directive: 11.1. Setting the MaxClients Directive

mod_perl: 23.3.1. mod_perl

books: 23.3.1. mod_perl

performance: 23.3.9. Performance and Scalability

Perl: 23.3.3. Perl

Perl/CGI: 23.3.4. Perl/CGI

processes, limiting number serving: 5.11.5. Limiting the Number of Processes Serving the Same Resource

scalability: 23.3.9. Performance and Scalability

SQL: 23.3.6. DBI and SQL

Squid: 23.3.7. Squid

web security: 23.3.10. Web Security

response (Apache request processing): 1.4. Apache 1.3 Request Processing Phases

responses, compressing: 11.9. Response Compressing

restart, graceful, stuck processes: 22.4.3. Processes Get Stuck on Graceful Restart

restart, troubleshooting: 22.4. Shutdown and Restart

return codes, coding considerations: 6.6.3. Return Codes

reusing data, POST requests: A.2. Reusing Data from POST Requests

RewriteRule: 5.8.3.3. Disabling services with help from the frontend server

robot blocking: 5.11.6. Limiting the Request-Rate Speed (Robot Blocking)

root passwords

setuid executable: 5.6.1. Introduction to setuid Executables

setuid script: 5.6. Setuid root Startup Scripts

sample startup script: 5.6.3. Sample setuid Apache Startup Script

security issues: 5.6.2. Apache Startup Script's setuid Security

RPM

information resources: 5.12. References

mod_perl installation on multiple machines: 3.8. Installing mod_perl on Multiple Machines

runlevel 6: 5.7. Preparing for Machine Reboot

runtime processing, event tracing: 21.4. Tracing mod_perl-Specific Perl Calls

runtime, troubleshooting: 22.3. Runtime

rwrite returned -1, message: 22.3.5. rwrite returned -1