Websphere admin Training

Websphere admin Training

Introduction

  • Presentation – Oriented (Standalone)
  • Service Oriented
  • Client/Server Application
  • Client/Server VS Web Application

Web Application Architecture

  • Middleware
  • Web Servers
  • Application Server
  • Database
  • Accessing Web Application
  • Difference between WebServers and Application Servers

WebSphere Application Server (WAS)

  • 2-Tier Architecture
  • 3-Tier Architecture
  • N-Tier Architecture

SDLC Cycle

  • Environments where WAS has scope.
  • Internal Architecture of Application Server
  • Services provided by Application Server

Responsibilities For WAS Admin

  • Installation of WAS, IHS, Plug-in (GUI, Silent Modes)
  • Installing Fixpacks
  • Creating Profiles
  • Deploying Application
  • Federating nodes to the DMGR
  • Working with Admin Console & WSADMIN
  • Starting/Stopping Servers
  • Creating unmanaged nodes for Web Servers
  • Backup & Restore the configuration
  • Working with Global Security
  • Working with Users/groups
  • Creating Servers & Clusters
  • Modifying the EAR files / WAR files
  • Working with WebServers
  • Configuring resources (JDBC, JMS, RAR’S, MAIL, URL’S)
  • Configuring Core Groups
  • Configuring Node Groups
  • Creating / Configuring Virtual Hosts
  • Generating Plug-in
  • Running basic JACL / JYTHON Scripts
  • Analyzing log files
  • Generating Heap / Core Dumps
  • Analyzing Heap / Core Dumps
  • Performance Monitoring
  • Performance Tuning
  • Implementing SSL
  • Certificate Management
  • Troubleshooting
  • Understanding ITIL Concepts
  • Web / Application Server Migration
  • IBM Support Assistant (ISA)
  • Dump Analysis Tools.

Troubleshooting

  • Installation Failure
  • Profile Creation Failure
  • Errors during Federation of Custom Profiles
  • Plug-in Problem determination
  • Class Loader Problem determination
  • Workload Management Problem determination
  • Web Container problem
  • HTTP 404 errors & HTTP 500 errors
  • Load balancing problem determination
  • Access problems after enabling security
  • Application Access problem
  • Application Deployment problems
  • Application start-up Errors
  • Data access problems

Java Core Dumps

  • Need of Core Dumps
  • Use Java Core files
  • Java Heap Dumps
  • Verbose Garbage Collection
  • Invoking automatically on Out Of Memory Error and Invoking through Special Code

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