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Apache Tomcat Administration

Course Overview


Apache Tomcat Administration Training Course covers the details of installing and configuring for the Tomcat Web Server. Students will learn the details of the server.xml configuration file, an overview of Servlet and JavaServer Pages, a comparison of Tomcat to J2EE application servers, the Tomcat installation directories, deploying Java Web applications, the web.xml file, valves, logging, security realms, connecting Tomcat to Apache Web Server, hosting multiple Web sites, performance and scalability issues, load testing, clustering, monitoring, the Tomcat Manager, and the Tomcat Administration tool.

Course Content


Intro to Java

  • Overview
  • Relationship to Tomcat
  • Standards vs implementation
  • Servlets/JSPs
  • Overview
  • Life-cycle
  • Advantages
  • Role of the application server (i.e. servlet container)
  • Comparison to other web technologies
  • Model-view-controller (MVC) design pattern
  • Quick overview
  • Impact on application design and troubleshooting

Apache Tomcat Overview

  • Background of Tomcat
  • Apache Software Foundation
  • Tomcat project
  • Tomcat licensing
  • Uses of Tomcat in the real world
  • Versions of Tomcat
  • Future direction for Tomcat
  • Alternative distributions of Tomcat

Installing Apache Tomcat

  • Installing Java
  • Getting Java
  • Java SE vs. Java EE
  • JDK vs. JRE
  • Installing on Unix/Linux/Windows
  • Getting Tomcat
  • Pre-built binary release
  • Using vendor-supplied pre-compiled release
  • What do download?
  • Life-cycle management
  • Which scripts to run?
  • Running in background vs. foreground
  • Understanding the shutdown process
  • Running Tomcat as a system service
  • Installing Tomcat as a NT sevice on Windows
  • Running Tomcat with jsvc on Unix/Linux
  • Using SysV framework to manage auto-start/shutdown

Tomcat Directory Structure

  • The bin/ directory
  • The lib/ directory (libraries on Tomcat pre-v6: shared/, common/, server/)
  • Class loading on Tomcat
  • The conf/ directory
  • The context directories
  • The webapps/ directory
  • The temp/ directory
  • The logs/ directory
  • The work/ directory
  • Running multiple Tomcat instances off the single installation
  • CATALINA_HOME vs. CATALINA_BASE

Tomcat Architecture and Configuration

  • Tomcat architecture: the big-picture
  • Overview of XML
  • Overview of Tomcat conf/server.xml file
  • Walk through the Tomcat component hierarchy
  • The element
  • Configuring the shutdown port
  • The element
  • The element
  • Overview of connectors
  • Configuration
  • Tuning
  • The element
  • Understanding thread pooling
  • The element
  • Overview
  • Understanding background threads
  • The element
  • Overview
  • Configuration
  • Virtual hosting on Tomcat
  • The element
  • The element
  • Overview
  • Configuration
  • The element (more on this later)
  • The element (more on this later)
  • The element
  • Overview
  • The element (more on this later)
  • The element (more on this later)
  • The element
  • Overview
  • Extending Tomcat
  • The element (more on this later)

Logging on Tomcat

  • Defaut system logging
  • Using Log4J
  • Access Log Valve
  • Request Dumper Valve

Deployments and Web Apps on Tomcat

  • Directory structure of web apps
  • Class-loading revisited
  • The WEB-INF/web.xml deployment descriptor
  • Common elements
  • Defining and mapping Servlets and Filters
  • Initializing web apps
  • Session configuration
  • Welcome file list
  • Error pages
  • Resources
  • JNDI entries
  • Web Archives (i.e. .war files)
  • Overview
  • Creating
  • Deploying
  • Pros/cons
  • Tomcat's conf/web.xml file
  • Static file handling
  • Performance implications
  • JSP handling
  • Overview
  • Memory/performance implications
  • Tuning
  • Pre-compiling JSPs
  • Default MIME-types
  • Default session config
  • Default welcome file list

Monitoring and Management on Tomcat

  • Tomcat Manager application
  • Overview
  • Accessing
  • Features
  • Starting and stopping applications
  • Deployments and undeployments
  • Automation with non-HTML mode
  • Using wget (i.e. command-line)
  • Ant Integration
  • Monitoring
  • Java Management Extensions (JMX) on Tomcat
  • Overview
  • Architecture
  • Tomcat MBeans
  • JMX Proxy Servlet
  • Run-time monitoring and management of the entire server
  • Automation with Ant
  • JConsole
  • Overview
  • Connecting to Tomcat
  • JVM Monitoring
  • MBeans support

Managing Resources on Tomcat

  • Overview of JNDI
  • Resources and JNDI on Tomcat
  • The Element
  • The Element
  • The Element
  • Global vs. local resources
  • The role of deployment descriptors
  • JavaMail on Tomcat
  • Overview
  • Adding support to Tomcat
  • Configuring JavaMail as a Tomcat resource
  • Database Integration on Tomcat
  • Overview of JDBC: API vs. drivers
  • Overview of Database Connection Pools (DBCP)
  • Configuring DBCP resources on Tomcat with MySQL
  • Handling connection pool leaks

Tomcat Security

  • Security of Tomcat
  • The shutdown command
  • Running on privileged ports
  • jsvc
  • TCP Port Relaying
  • User and directory permissions
  • Running with the Security Manager
  • Overview
  • Java Permissions and grants
  • Tomcat's policy file
  • Customizing policies
  • Pros and cons of the security manager
  • Securing applications running on Tomcat
  • Using valves for access control
  • Address vs Host valve
  • Authentication and Authorization
  • Overview of container-managed security
  • When to use?
  • A look at Manager app secrity
  • Requiring authorized users
  • Authentication options
  • Basic vs. form authentication
  • Realms
  • Overview
  • Types of realms
  • Using DataSource realm
  • Overview of JNDI realm
  • Protecting privacy of passwords
  • Combining realms
  • Lock-out realms
  • SSL/TLS on Tomcat
  • Overview
  • SSL Certificates
  • Configuring SSL connector
  • Requiring the use of SSL in applications

Tomcat Performance Tuning

  • Java/JVM tuning
  • Heap sizing
  • Garbage collection policies
  • HotSpot JIT compilers
  • Scaling
  • Approaches
  • Tomcat tuning
  • Connectors
  • JSPs
  • Sessions
  • Scaling

High Availability (HA) and Scalability of Tomcat

  • Fronting Tomcat with Apache
  • Overview
  • Pros/cons
  • AJP vs. HTTP
  • mod_jk vs. mod_proxy_ajp
  • Using mod_jk
  • Compiling/Installing
  • Configuring
  • Monitoring
  • Load Balancing
  • Benefits and issues
  • Pros/cons
  • Sharing sessions via persistent manager
  • Pros/cons
  • Session-replication
  • Clustering on Tomcat
  • Architecture
  • Configuration
  • Monitoring
  • Pros/cons
  • Massive-scaling with cluster groups

Load Testing with JMeter - Appendix

  • Overview of JMeter
  • Installation
  • Running
  • Creating a Test Plan
  • Configuring Thread Groups
  • Adding Tasks to Thread Groups
  • Configuring HTTP Requester
  • Managing Report Listeners
  • Running Test Plans

Customer Reviews


Thanks to Xpertised and the tutor who walked me through all the topics with Practical exposure which is helping me in my current project.
-Waseem

Course was quite helpful in terms of understanding of concepts and practicality. Its really a very friendly environment to learn. The timing were mutually chosen, as we both are working professional. I am quite satisfied with the course.
-Tanmoy

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