HARTMANN software group

Tomcat Administration for Linux Training in New York City(nyc)

Enroll in or hire us to teach our Tomcat Administration for Linux class in New York City(nyc), New York by calling us @303.377.6176. Like all HSG classes, Tomcat Administration for Linux may be offered either onsite or via instructor led virtual training. Consider looking at our public training schedule to see if it is scheduled: Public Training Classes
Provided there are enough attendees, Tomcat Administration for Linux may be taught at one of our local training facilities.
We offer private customized training for groups of 3 or more attendees.
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Course Description

  
This Tomcat Administration for Linux course provides a comprehensive overview of the essential aspects of administering Tomcat on Linux systems. The course covers the history of Tomcat, its components, and the Java Enterprise Edition (JEE) technologies it supports. Students will learn how to install and configure Tomcat, manage web applications, and understand the directory structure. The course also delves into advanced topics such as JNDI data sources, JDBC, security, logging, monitoring, performance tuning, and clustering. Throughout the course, students will engage with practical examples and hands-on exercises to reinforce their learning
Course Length: 3 Days
Course Tuition: $1390 (US)

Prerequisites
None

Course Outline

  
  1. Tomcat Introduction
    1. History of Tomcat
    2. Version Number and Features
    3. Tomcat Components
      1. Catalina
      2. Jasper
      3. Coyote
    4. JEE Overview
      1. MVC Design Pattern
      2. Servlets/JSP
      3. Directory Structure
      4. JNDI
  2. Installing Tomcat
    1. Download
    2. Installation
    3. Environment Variables
    4. Starting the Server
    5. Verifying Server Operation
    6. Stopping the Server
  3. Tomcat Directory Structure
    1. Batch files in /bin
      1. .exe files
    2. /conf
      1. server.xml
      2. context.xml
      3. web.xml
    3. /logs
    4. /webapps
    5. /lib
    6. /work
    7. /temp
  4. Configuring Tomcat
    1. Role of serverxml
    2. Instance Layout
      1. Server
      2. Service
      3. Virtual Host
      4. Context
    3. serverxml elements
      1. <Server>
      2. <Service>
      3. <Connector>
      4. <Engine>
      5. <Host>
      6. <Context>
      7. <Realm>
      8. <Valve>
  5. Deploying Web Applications
    1. JEE Specification for Web Applications
      1. Servlets and JSP
      2. Model View Controller (MVC) Design Pattern
      3. Directory Structure
      4. web.xml
    2. Document Base
    3. Context and the Document Base
    4. Default Context Descriptor
    5. Placing the Web Application Folders and Files under the Application Base
    6. Deploying a WAR file
    7. AutoDeploy
  6. The Tomcat Manager
    1. /manager Web Application
    2. Managing Web Applications
      1. Deploying
      2. Listing Deployed Applications
      3. Reload Existing Applications
      4. Starting/Stopping
      5. Undeploying
    3. Listing Server Status
    4. Listing Security Roles in the User Database
  7. JNDI Data Sources and JDBC
    1. JNDI
    2. JDBC
      1. Drivers
      2. Data Sources in JDBC 20 and Later
      3. Connection Pooling
    3. Commons Database Connection Pooling
      1. Installation
      2. Guarding against Application Program Failure
      3. Configuration
    4. Data Source Definition
      1. Web Application contextxml
      2. contextxml in /conf
      3. GlobalNamingResources in serverxml
    5. Troubleshooting
  8. Security
    1. Web Application Security
    2. Java SecurityManager
      1. Overview
      2. Standard Permissions
      3. Tomcat Permissions
      4. Starting Tomcat with a Security Manager Using the Default Policy File
    3. Secure Socket Layer (SSL)
      1. Generating a keystore File
      2. Modifications to serverxml for SSL Support in Tomcat
    4. tomcat-usersxml
  9. Logging
    1. Logging Overview
    2. Web Application Logging Techniques
      1. javautillogging
      2. javaxservletServletContext
      3. log4j
  10. Monitoring and Performance Tuning Tomcat
    1. Tomcat
    2. JVM
    3. JMX (Java Management Extensions)
    4. JMX MBeans in Tomcat
      1. Engine
      2. JKMain
      3. String Cache
      4. Server
      5. Users
    5. Configuring Tomcat to use MBeans
    6. Accessing MBeans
      1. jconsole
      2. jVisualVM
      3. PSI Probe
  11. Clustering
    1. Using Clustering for Replication and Load Balancing
    2. Running Multiple Instances of Tomcat
      1. Directory Setup
      2. Port Number Modifications
      3. All to All with DeltaManager
      4. Backup to One Cluster with BackupManager
    3. Enabling Session Replication
      1. Session Persistence Using Shared File System
      2. Session Persistence Using Shared Database
      3. Session Persistence using Shared Database: Database Table
      4. In-memory Replication Using SimpleTcpCluster
    4. Load Balancing Using mod_jk Connector to Apache2x Web Server

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Java Uses & Stats

Java is Used For:
Android & IOS Development Software Products Video Games Desktop GUI's
Difficulty
Popularity
Year Created
1995
Pros

Most Commonly Used: 
According to Oracle, three billion devices run on Java.  And, because of its real-world applications, it consistently ranks at the top of the TIOBE Programming Community Index. 

Great Career Choice: 
Some of the fastest-growing salaries in the U.S. in 2018 are for Java developers.  (Glassdoor)  

Android Apps Development:
Developers predominatly use their Java skills in building apps for Google's Android. The Android platform is the number one mobile paltform in the world

It Can Run On Any Platform:
Java can compile on Windows and run the same compiled file on Linux, Windows and Mac.

Great Supporting IDE's:
Over the years, coding in Java has become simpler with the introduction of open source development tools, i.e. Eclipse and NetBeans that use Java capabilities for debugging.  
 
Cons

Uses a Lot of Memory:
Performance can be significantly slower with Java and more memory-consuming than natively compiled languages such as C or C++.

Difficulty in Learning: 
Learning Java can be a bit challenging if you are a beginner.  However, once you get the hang of Object Oriented Programming and a decent grasp of the syntax, you will be well on your way.

Slow Start Up Times:
There is quite a bit of one-time initialization done by JDK classes before compiling as well as loading classes and verification (making sure code doesn't do evil things, all of which takes longer that some other languages such as C. 

Verbose and Complex Code:
Long, over-complicated sentences make code less readable and scannable. Compare to let's say Python, we can see how clear Python code appears: It doesn’t require semicolons; uses “and,” “or,” and “not” as operators instead of Java’s “&&,” “||,” and “!”; and generally has fewer bells and whistles such as parentheses or curly braces.

Commercial License Cost:
Companies have to prepare for the changes that Oracle will institute in 2019 . Today, the current version of Java is free and available for redistribution for general purpose computing. However, If you are a DEVELOPER, Oracle recommends you review the roadmap information for Java SE 8 and beyond and take appropriate action depending on the type of application you develop and your distribution mode.
Java Job Market
Average Salary
$102,000
Job Count
26,856
Top Job Locations

New York City 
San Jose
Washington D.C, 
Complimentary Skills to have along with Java

- If you are an experienced Java developer, learning a complimentary language to Java should come much more naturally.  As an example JetBrains recently created the Kotlin programming language which is officially supported by Google for mobile development.  Kotlin compiles to Java bytecode and runs on the JVM; it's purported to address many of Java's shortcomings...

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