Mastering Ruby Deployment with Apache and Mod

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Questions and Answers

Which package manager can be used to install Apache on Red Hat based distributions like CentOs, Red Hat, and Fedora?

Yum (correct)

Dnf

Apt

Pacman

What is the purpose of the -devel package when installing Apache from source?

To create an rpm file from source (correct)

To start the Apache service

To install required dependencies

To configure Apache options

What is the purpose of a virtual host in Apache?

To configure firewall settings

To enable PHP interpretation

To host multiple websites on the same server (correct)

To install Apache on different servers

What type of virtual host is used to host multiple sites on a single IP address?

Name-based virtual host Signup and view all the answers

What is required to run PHP files on Apache?

mod_php Signup and view all the answers

What is the purpose of mod_fastcgi in Apache?

To handle concurrent web requests Signup and view all the answers

Which command is used to open port 80 in the firewall?

service iptables save Signup and view all the answers

Which module can be used to integrate Ruby with Apache?

mod_ruby Signup and view all the answers

How can you disable the display of Apache version and OS information?

Set the ServerTokens directive to 'Prod' Signup and view all the answers

What feature of Apache can be turned off to prevent directory listing?

mod_autoindex Signup and view all the answers

Which module can be used to detect and prevent DoS attacks on the web server?

mod_evasive Signup and view all the answers

What is the purpose of the mod_security module?

To enhance Apache security Signup and view all the answers

How can you limit the size of HTTP requests in Apache?

Set the LimitRequestBody directive to a specific value Signup and view all the answers

Which directive must be enabled to create access logs in Apache?

mod_log_config Signup and view all the answers

Which operating systems can Apache be used on?

Unix-like operating systems, Windows, OS X, and OS/2 Signup and view all the answers

What is the meaning of the word 'Apache' in the context of the text?

The name of the Native American tribe Signup and view all the answers

What is the main advantage of using Dynamic Shared Objects (DSO) in Apache?

It makes the task of adding/removing/updating modules from the server's configuration simple Signup and view all the answers

What is virtual hosting in Apache?

A feature that allows a single Apache Web Server to serve a number of different websites Signup and view all the answers

What is the market share of Apache in the commercial web server market?

More than 50% Signup and view all the answers

What is the role of Apache in web server applications?

To create a new thread with each simultaneous connection Signup and view all the answers

What is the recommended approach for installing modules in Apache?

Compiling all modules as a Dynamic Shared Objects (DSO) Signup and view all the answers

Which type of log format is generated by Apache when using the Common Log Format?

Common Log Signup and view all the answers

What is the purpose of the Custom Log in Apache?

To create separate log files for each Virtual Host Signup and view all the answers

What is the recommended solution for managing a web server for multiple domains?

Using Cpanel or similar software Signup and view all the answers

What does cPanel provide in terms of web server management?

Graphical way of managing web server Signup and view all the answers

What functionality does Easyapache provide in cPanel?

Script-based web server compilation Signup and view all the answers

What does cPanel backup when creating a tar file for a domain?

Multiple components including document root, email accounts, FTP accounts, databases, DNS records, and other applications Signup and view all the answers

What does cPanel provide in terms of documentation and support?

Robust documentation and community support Signup and view all the answers

What are some competing products to cPanel?

Plesk, ISPConfig, Ajenti, Kloxo Signup and view all the answers

What is the main advantage of using cPanel for web server management?

Easy management of core Web Server Signup and view all the answers

Study Notes

Installing Apache

The package manager yum can be used to install Apache on Red Hat based distributions like CentOS, Red Hat, and Fedora.

Installing Apache from Source

The -devel package is required when installing Apache from source to provide the necessary development tools and libraries.

Virtual Hosts

A virtual host in Apache allows multiple websites to be hosted on a single server.
Name-based virtual hosting is used to host multiple sites on a single IP address.

Running PHP on Apache

PHP files can be run on Apache by installing the PHP module.

mod_fastcgi

mod_fastcgi is an Apache module that allows PHP files to be run using the FastCGI protocol.

Firewall Configuration

The command firewall-cmd --zone=public --add-port=80/tcp is used to open port 80 in the firewall.

Integrating Ruby with Apache

The module mod_ruby can be used to integrate Ruby with Apache.

Disabling Apache Version and OS Information

The ServerSignature directive can be set to Off to disable the display of Apache version and OS information.

Directory Listing

The Indexes option can be turned off to prevent directory listing.

DoS Attack Prevention

The mod_security module can be used to detect and prevent DoS attacks on the web server.
mod_security is a Web Application Firewall (WAF) that monitors and filters incoming traffic.

Limiting HTTP Request Size

The LimitRequestBody directive can be used to limit the size of HTTP requests in Apache.

Access Logs

The CustomLog directive must be enabled to create access logs in Apache.

Operating Systems

Apache can be used on a variety of operating systems including Windows, macOS, Linux, and Unix.

Meaning of Apache

The word 'Apache' in the context of the text refers to the open-source web server software.

Dynamic Shared Objects (DSO)

The main advantage of using Dynamic Shared Objects (DSO) in Apache is that it allows modules to be loaded and unloaded dynamically.

Virtual Hosting

Virtual hosting in Apache allows multiple websites to be hosted on a single server, with each website having its own domain name and IP address.

Apache has a significant market share in the commercial web server market.

Role of Apache

The role of Apache in web server applications is to serve web pages and handle HTTP requests.

Installing Modules

The recommended approach for installing modules in Apache is to use the Dynamic Shared Objects (DSO) method.

Log Format

Apache generates the Common Log Format (CLF) by default, which is a type of log format that includes information about each HTTP request.

Custom Log

The Custom Log in Apache allows for customized logging of HTTP requests.

Web Server Management

The recommended solution for managing a web server for multiple domains is to use a control panel like cPanel.

cPanel

cPanel provides a comprehensive solution for web server management, including tools for managing domains, files, databases, and security.
EasyApache is a cPanel tool that provides an easy way to manage and configure Apache and its modules.
cPanel provides backup and restore functionality, including the ability to create tar files for domains.
cPanel provides extensive documentation and support, including video tutorials, knowledge base, and forums.
Some competing products to cPanel include Plesk, DirectAdmin, and InterWorx.

Advantage of cPanel

The main advantage of using cPanel for web server management is its ease of use and comprehensive set of features.

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Description

Learn how to run multiple versions of Ruby with mod_fcgid and Apache Passenger. Discover the steps to install mod_ruby on your server and configure Apache to serve Ruby pages efficiently.

Mastering Ruby Deployment with Apache and Mod_fcgid

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