JBoss Administration

Course Overview

This course is aimed at students and professionals aspiring to become JBoss Administrators on Linux, Unix, and Windows platforms. The course focuses on the installation, configuration, security, and management of JBoss (WildFly) Application Server across various operating systems. It covers essential skills needed to administer JBoss in production environments and prepares students for JBoss Administrator roles through practical labs, job assistance, and interview preparation.

About faculty :

Instructor:  Ravi Chavan

Profile Summary

Ravi Chawhan is an accomplished IT professional with 9 + years of extensive hands-on experience specializing in JBoss administration. He has successfully delivered over 8 batches of training, equipping students with the practical skills and knowledge necessary to excel in today’s competitive IT landscape. Ravi is committed to fostering an engaging learning environment that bridges the gap between theoretical concepts and real-world application.

Key Skills

  • Application Server Administration: Expertise in managing, configuring, and troubleshooting Tomcat.
  • Middleware Technologies: Proficient in middleware architecture and integration, ensuring efficient communication between applications.
  • Performance Tuning: Skilled in performance optimization techniques for application servers, ensuring high availability and scalability.
  • Scripting and Automation: Experience in using scripting languages for automating server management tasks and deployments.
  • Monitoring and Security: Knowledge of monitoring tools and security best practices to maintain robust and secure application environments.
  • Troubleshooting: Strong problem-solving skills to diagnose and resolve complex server-related issues.

Teaching Experience

  • JBoss Administration Training: Led training sessions focused on the installation, configuration, and management of JBoss Admin.
  • JBoss Administration: Delivered comprehensive workshops covering administration, troubleshooting, and deployment practices for JBoss.
  • Hands-On Labs: Facilitated practical labs to reinforce learning through real-world scenarios and case studies.

Teaching Philosophy

Ravi believes in a holistic approach to education that emphasizes practical knowledge, critical thinking, and collaborative learning. His philosophy includes:

  • Experiential Learning: Prioritizing hands-on experience and real-world scenarios to ensure students can apply theoretical knowledge in practical settings.
  • Interactive Engagement: Encouraging participation and dialogue among students to foster a collaborative learning atmosphere.
  • Adaptability: Continuously updating course content to reflect the latest industry trends and technologies, ensuring students are well-prepared for current job demands.
  • Supportive Environment: Creating a supportive classroom environment where students feel comfortable asking questions and exploring complex concepts.

Profile Summaries

JBoss Administrator:

An accomplished JBoss Administrator with 9+ years of experience in deploying, configuring, and managing JBoss application servers. Expertise in application lifecycle management, performance optimization, and troubleshooting to ensure efficient server operations. Skilled in integrating JBoss with various middleware and enterprise services, while maintaining robust security practices. Passionate about delivering reliable and scalable application solutions in dynamic environments.

Course Overview

Module's

Module 1: Introduction to JBoss Application Server

  • 1.1 Overview of JBoss (WildFly) Application Server
  • 1.2 JBoss architecture and components
  • 1.3 Versions of JBoss (WildFly vs JBoss EAP)
  • 1.4 JBoss use cases in enterprise environments
  • 1.5 Understanding Java EE specifications and JBoss’ role

 

Module 2: Installation of JBoss on Linux, Unix, and Windows

  • 2.1 Prerequisites for JBoss installation (Java, OS requirements)
  • 2.2 Installing JBoss Application Server on Linux/Unix
  • 2.3 Installing JBoss on Windows
  • 2.4 Understanding directory structure and configurations
  • 2.5 Starting, stopping, and managing JBoss services
  • 2.6 Automating JBoss startup (init.d, systemd, Windows services)

 

Module 3: JBoss Configuration and Tuning

  • 3.1 Configuring JBoss standalone mode vs domain mode
  • 3.2 Setting up management interfaces (CLI vs Web Console)
  • 3.3 Configuring JVM settings for optimal performance
  • 3.4 Datasource and JDBC driver configuration
  • 3.5 Deploying applications to JBoss (EAR, WAR files)
  • 3.6 Configuring and managing subsystems (EJB, JPA, JMS, etc.)

 

Module 4: JBoss Security and Access Control

  • 4.1 JBoss Security Realms and authentication
  • 4.2 Configuring role-based access control (RBAC) in JBoss
  • 4.3 Setting up SSL/TLS for secure communication
  • 4.4 Securing the management interface
  • 4.5 JBoss Elytron Security: Overview and configuration
  • 4.6 Preventing common vulnerabilities (e.g., CSRF, XSS, SQL Injection)

 

Module 5: JBoss Performance Optimization

  • 5.1 Monitoring JBoss performance using built-in tools
  • 5.2 Performance tuning for high-traffic environments
  • 5.3 Thread pool and memory management configuration
  • 5.4 Configuring JBoss logging for performance insights
  • 5.5 Clustering and load balancing with JBoss
  • 5.6 Troubleshooting performance issues (Heap, GC, etc.)

 

Module 6: JBoss Clustering and High Availability

  • 6.1 Understanding JBoss clustering concepts
  • 6.2 Configuring a clustered JBoss environment
  • 6.3 Load balancing in a clustered environment
  • 6.4 Setting up failover and session replication
  • 6.5 Integrating JBoss with load balancers (HAProxy, Apache mod_cluster)
  • 6.6 Scaling JBoss for large environments

 

Module 7: JBoss Application Deployment

  • 7.1 Managing deployments via JBoss CLI and Web Console
  • 7.2 Hot deployment vs Exploded deployment
  • 7.3 Rolling back deployments and versioning
  • 7.4 Automating deployment with Jenkins, Git, and CI/CD pipelines
  • 7.5 Deploying multiple applications in a domain mode setup
  • 7.6 Troubleshooting deployment issues

 

Module 8: JBoss Backup, Recovery, and Upgrades

  • 8.1 Backing up JBoss configuration and deployments
  • 8.2 Configuring automatic backups for critical data
  • 8.3 Disaster recovery strategies for JBoss environments
  • 8.4 Upgrading JBoss Application Server (minor and major upgrades)
  • 8.5 Handling upgrade compatibility issues
  • 8.6 Best practices for maintaining uptime during upgrades

 

Module 9: Job Assistance

  • 9.1 Building a professional resume for JBoss Administrator roles
  • 9.2 Highlighting key skills for JBoss administration jobs
  • 9.3 Mock technical interviews with real-world scenarios
  • 9.4 Common JBoss interview questions and answers
  • 9.5 Preparing for telephonic and technical interviews
  • 9.6 Developing a career path as a JBoss Administrator

 

Module 10: Practical Labs and Real-World Projects

  • 10.1 Installing and configuring JBoss on Linux, Unix, and Windows environments
  • 10.2 Securing JBoss with SSL and configuring access control
  • 10.3 Setting up and managing clustered JBoss instances
  • 10.4 Hands-on application deployment and management
  • 10.5 Optimizing JBoss performance in real-world scenarios
  • 10.6 Troubleshooting and debugging common JBoss issues

JBoss Migration and Applying Fix Packs

 

Module 11: JBoss Migration and Applying Fix Packs

 

11.1 JBoss Application Server Migration

  • 11.1.1 Overview of JBoss Migration
    • Understanding the need for migration (e.g., end of support, new features)
    • Assessing JBoss versions (WildFly, JBoss EAP)
    • Key differences between JBoss versions and migration challenges
    • Migration strategies: In-place vs. side-by-side migration
  • 11.1.2 Pre-Migration Assessment
    • Evaluating the existing JBoss environment
    • Compatibility check of applications with the target JBoss version
    • Checking for deprecated features and API changes
    • Database and external service compatibility
  • 11.1.3 Planning the Migration
    • Creating a migration plan: Identifying applications, dependencies, and infrastructure
    • Backup and recovery strategy before migration
    • Planning for minimum downtime during migration
    • Establishing testing procedures for post-migration validation
  • 11.1.4 Migrating JBoss from Older Versions to WildFly or JBoss EAP
    • Migrating from JBoss 5.x, 6.x, 7.x to WildFly or JBoss EAP 7+
    • Configuring the target server environment
    • Migrating standalone vs. domain mode configurations
    • Migrating server resources (datasources, JMS queues, etc.)
    • Testing the migrated environment
  • 11.1.5 Migrating Applications to the New JBoss Version
    • Updating applications for compatibility with the new JBoss version
    • Addressing deprecated APIs and features
    • Testing application functionality and performance post-migration
    • Troubleshooting common migration issues
  • 11.1.6 Post-Migration Steps
    • Verifying configurations and services post-migration
    • Running performance tests and benchmarks
    • Implementing monitoring and logging for the new environment
    • Post-migration clean-up and decommissioning old instances

 

11.2 Applying Fix Packs and Patches

  • 11.2.1 Understanding JBoss Fix Packs and Patches
    • What are fix packs, hotfixes, and cumulative patches?
    • The importance of applying patches (security, performance, and bug fixes)
    • Official JBoss sources for fix packs and patches (Customer Portal, Red Hat)
  • 11.2.2 Pre-Patch Assessment and Planning
    • Reviewing the changelog and release notes for the patch
    • Assessing the patch’s impact on applications and environments
    • Preparing the backup before applying a fix pack
    • Creating a rollback plan in case of issues
  • 11.2.3 Downloading and Applying Fix Packs
    • Locating and downloading the appropriate fix pack from the vendor (Red Hat JBoss)
    • Applying patches in standalone vs. domain mode environments
    • Using the JBoss patching tool (jboss-cli) to apply patches
    • Applying hotfixes to address urgent issues without full downtime
  • 11.2.4 Validating the Patch and Fix Pack
    • Verifying that the patch has been successfully applied
    • Checking the server logs for any errors or warnings
    • Testing the environment post-patching to ensure stability
    • Running applications and services to validate functionality
  • 11.2.5 Post-Patch Maintenance and Monitoring
    • Monitoring performance and logs after applying patches
    • Troubleshooting potential issues related to the patch
    • Regularly scheduling patch updates and maintenance windows
    • Automating patch management with scripts and scheduling tools

 

11.3 Real-World Scenarios and Best Practices

  • 11.3.1 Migrating JBoss in Large Enterprise Environments
    • Strategies for minimizing downtime during large-scale migrations
    • Handling complex dependencies and legacy systems
    • Best practices for migrating mission-critical applications
  • 11.3.2 Handling Patch Conflicts and Reverting Fix Packs
    • Managing patch conflicts and dependency issues
    • Reverting a patch or fix pack in case of failures
    • Using JBoss tools to handle rollback safely and efficiently
  • 11.3.3 Case Study: Migrating JBoss and Applying Fix Packs in Production
    • Step-by-step walkthrough of a JBoss migration project
    • Applying security patches in a production environment
    • Troubleshooting and lessons learned from real-world scenarios

 

Conclusion

Course Conclusion

Upon completion of this course, students will be proficient in managing JBoss Application Server across multiple operating systems. They will have hands-on experience with JBoss in both standalone and clustered environments and will be prepared for job roles such as JBoss Administrator, System Administrator, or DevOps Engineer. Additionally, the course provides students with job search assistance, including resume-building, mock interviews, and job search strategies.

 

This course will provide students with the skills and knowledge needed to manage, configure, and secure JBoss in any environment, equipping them with the experience required to succeed in the field.

By mastering JBoss migration and patch management, students will be equipped to handle critical upgrades and apply security fixes in a JBoss production environment. This module ensures that students can plan and execute migrations effectively and maintain an up-to-date and secure application server environment.

 

This module can be incorporated into your JBoss course as an advanced component, ensuring students are fully prepared for migration and maintenance tasks in real-world enterprise environments.

Module 1: Introduction to Apache HTTP Server and JBoss

  • 1.1 Overview of Apache HTTP Server
    • Key features and architecture
    • Differences between Apache and other web servers (Nginx, IIS)
  • 1.2 Overview of JBoss (WildFly) Application Server
    • Architecture and core components of JBoss
    • Java EE specifications and JBoss’ role as a Java application server
    • Use cases of JBoss in enterprise environments

 

Module 2: Installation of Apache HTTP Server

  • 2.1 Prerequisites for Apache HTTP Server Installation
    • System requirements (Linux, Unix, and Windows)
    • Software dependencies (e.g., OpenSSL)
  • 2.2 Installing Apache HTTP Server on Linux/Unix
    • Downloading and compiling Apache from source
    • Installing Apache via package managers (e.g., yum, apt)
    • Verifying installation and testing with sample web pages
  • 2.3 Installing Apache HTTP Server on Windows
    • Using Apache binaries for Windows
    • Configuring Apache as a Windows service
    • Testing Apache installation on Windows

 

Module 3: Installation of JBoss (WildFly) Application Server

  • 3.1 Prerequisites for JBoss Installation
    • JDK version requirements
    • System requirements and platform-specific considerations
  • 3.2 Installing JBoss on Linux/Unix
    • Downloading JBoss/WildFly and configuring environment variables
    • Setting up standalone and domain modes
    • Starting and stopping JBoss services
  • 3.3 Installing JBoss on Windows
    • Setting up JBoss as a service on Windows
    • Verifying the installation through the management console
    • Basic CLI commands for managing JBoss on Windows

 

Module 4: Configuring Apache HTTP Server

  • 4.1 Understanding Apache Configuration Files (httpd.conf, ssl.conf)
    • Basic directives: Listen, DocumentRoot, Directory, and ServerName
    • Configuring virtual hosts to serve multiple sites
  • 4.2 Setting Up Apache for SSL (HTTPS)
    • Configuring SSL/TLS using mod_ssl
    • Generating and installing SSL certificates
    • Redirecting HTTP traffic to HTTPS
  • 4.3 Load Balancing with Apache HTTP Server
    • Introduction to load balancing techniques
    • Using mod_proxy_balancer for distributing traffic across multiple JBoss instances

 

Module 5: Configuring JBoss (WildFly) Application Server

  • 5.1 JBoss Configuration Files and Structure
    • Overview of standalone.xml and domain.xml
    • Understanding JBoss profiles and subsystems
  • 5.2 Configuring Datasources and JDBC Drivers
    • Setting up a datasource and connection pools in JBoss
    • Integrating JBoss with MySQL, PostgreSQL, and other databases
  • 5.3 Deploying Applications on JBoss
    • Deploying WAR and EAR files using the management console and CLI
    • Automating deployment via Jenkins and CI/CD pipelines

 

Module 6: Integrating Apache HTTP Server with JBoss

  • 6.1 Introduction to Reverse Proxy Setup
    • Understanding how a reverse proxy works with Apache and JBoss
    • Benefits of using Apache as a reverse proxy in front of JBoss
  • 6.2 Integrating Apache with JBoss using mod_jk
    • What is mod_jk? Overview of AJP (Apache JServ Protocol)
    • Installing and configuring mod_jk in Apache
    • Configuring workers and balancing load across JBoss instances
    • Testing the reverse proxy setup for dynamic content delivery
  • 6.3 Integrating Apache with JBoss using mod_proxy
    • Overview of HTTP proxy configuration with mod_proxy
    • Configuring Apache to forward requests to JBoss using mod_proxy
    • Setting up a reverse proxy for multiple JBoss instances

 

Module 7: Securing Apache and JBoss Communication

  • 7.1 SSL Configuration Between Apache and JBoss
    • Setting up SSL certificates for secure communication between Apache and JBoss
    • Enforcing HTTPS traffic from Apache to JBoss using mod_ssl
    • Securely configuring the AJP connector for encrypted traffic
  • 7.2 Hardening Apache HTTP Server
    • Disabling unnecessary modules
    • Setting up firewall rules and using security modules (mod_security, fail2ban)
  • 7.3 Securing JBoss Application Server
    • Role-based access control (RBAC) configuration in JBoss
    • Securely managing JBoss admin consoles
    • Applying security patches and updates to JBoss

 

Module 8: Performance Optimization and Load Balancing

  • 8.1 Optimizing Apache for High Traffic
    • Configuring KeepAlive, MaxClients, and Timeout directives
    • Caching strategies: Using mod_cache to serve static content
  • 8.2 Optimizing JBoss for High Performance
    • Tuning JVM settings for optimal performance
    • Configuring thread pools and connection pools
    • Load balancing JBoss instances using Apache’s mod_proxy_balancer and mod_jk
  • 8.3 Monitoring and Logging in Apache and JBoss
    • Using Apache logs for performance analysis
    • Monitoring JBoss with built-in tools (CLI, JMX Console) and third-party tools (Nagios, Zabbix)

 

Module 9: Troubleshooting Apache and JBoss Integration

  • 9.1 Debugging Common Apache Issues
    • Understanding and resolving common Apache HTTP error codes (404, 403, 500)
    • Using mod_status for real-time server monitoring
    • Debugging SSL/TLS issues
  • 9.2 Troubleshooting JBoss Errors
    • Analyzing JBoss logs (server.log, boot.log) for troubleshooting
    • Debugging deployment issues in JBoss
    • Resolving performance bottlenecks in JBoss

 

Module 10: Practical Labs and Projects

  • 10.1 Installing Apache and JBoss on Linux and Windows platforms
  • 10.2 Configuring SSL and setting up a secure communication channel between Apache and JBoss
  • 10.3 Setting up a reverse proxy using both mod_jk and mod_proxy
  • 10.4 Deploying a Java EE application on JBoss and configuring Apache to serve as the frontend
  • 10.5 Load balancing traffic across multiple JBoss instances using Apache
  • 10.6 Simulating high-traffic environments and optimizing both Apache and JBoss for performance

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