Introduction to WAS
- What is WAS (WebSphere Application Server)? A recap to the client-server architect.
- A recap to what is a server, application server, and web server
- What is an enterprise application, application hosting, application deployment, and application maintenance?
- What is the role of WAS in application hosting?
- What other application servers are available in the industry and how WAS can serve the purpose in a better way.
- Introduction to WAS packages, Base and ND (Network
- The bottleneck of the Base package and evolution of the ND package.
- Introduction and evolution of WAS to different versions
namely 6.0, 6.1, 7.0, 8.0 and 8.5.
- Availability of WAS packages and license & support from IBM.
- Architect of WAS. Introduction to webservers like IHS & IIS, JNDI concept, messaging, admin & security server, web and
enterprise containers and LDAP (Lightweight Directory Access Protocol).
- Request flow from the user through the browser to the application server.
- The advantages of learning were as a middleware technology.
- Integration of WAS with other middleware technologies like
MQ, LDAP, and IIS.
Installation and Applying Fix Packs
- Installation methods: GUI mode using IIM (IBM
Installation Manager), CLI mode using silent installation and uses of imcl.exe. Concept of record option in imcl.exe.
- Installation of IIM. Introduction to terms like install, update rollback, modify and uninstall.
- Installation of WAS using various methods. Generation of logs during and post the installation process. Verification of installation.
- Applying fix packs on WAS using various methods. Generation of logs post update and verification of fix pack
- Rollback fix packs on were using various methods.
Generation of logs posts rollback and verification of rollback.
- Uninstallation of WAS using various methods. Generation of logs post uninstallation and verification of un-installation.
WAS Profile Management
- Introduction to WAS file system post-installation like /bin, /lib, /logs, /profile Templates. Introduction to various types of profile templates.
- Introduction to manageProfiles.exe
- Introduction to profiles like Cell, DMgr, Managed/Custom, Default, Job manager, Administrative Agent, and Liberty & its options to create and delete a profile.
- Introduction to DMgr start Manager and stop Manager scripts.
- Federation (add Node (-as Existing Node)) and de-federation (remove Node) of nodes.
- Concept of Node Agent. Synchronization and Full Re-synchronization.
- Introduction to stop node, start node, sync node, cleanupNode, deregisterNode and renameNode.
Installation of Webserver and Plugin
- Installation of IHS as webserver and WebSphere plugin. Post-installation verification.
- Configuration of web server and generation of configuring Web server.bat.
- Concept of the webserver as an unmanaged node.
- Stop and start the procedure of IHS webserver.
- Concept of generation and propagation of plugin.
- Role of webserver and plugin in terms of serving static and dynamic pages.
- Concept of session affinity, session management, and session replication.
- Connectivity between webserver and plugin.
Clustering and tuning of Application server instances
- Introduction to WLM (Work Load Management) and HA (High Availability) concept.
- Creation of a cluster. Introduction to vertical, horizontal and dynamic clustering.
- Introduction to start Server and stopServer scripts.
- Concept of heap, max and min heap. Concept of thread pool size of application server instance’s web container.
- Introduction to Stop, Start, Restart, Immediate Stop and Terminate option for application server instances.
- Introduction to Stop, Start, Ripplestart and Immediate Stop option for cluster instances.
- Addition or removal of a new application server in an existing cluster.
- Introduction to WAS config directory and its content.
- Concept of backup Config and restore Config. Uses of different
options while running these scripts.
- Introduction to httpd.conf (web server) and plugin-cfg.xml (web sphere plugin).
- Introduction to Gen Plugin Cfg in WAS_ROOT/bin.
- Introduction to various parameters and tags in these configuration files.
- Process for updating these configuration files.
- Concept and significance of /tmp and /wstemp in WAS install
- Application server runtime logs (System Out.log and System Err.log), GC logs (native logs) and trace logs.
- Webserver access_log and error_log logs.
- Logging and tracing settings from WAS admin console.
- Enabling Verbose garbage Collection (GC) and introduction to multiple GC policies.
- Significance of FFDC (First Failure Data Capture).
- Concept of hung threads and out of memory and introduction to core/thread and heap dump.
- Manual and auto methods to generate dumps.
- Introduction to IBM provided dump analyzers.
Enterprise Application Deployment
- What is deployment? Introduction to .jar, .war and .ear packages.
- Introduction to deployment descriptor.
- Concept of context root, virtual hosts, shared library and listeners.
- Concept of class loader policy.Types and ways of setting class loading policy.
- Application maintenance like Start, Stop,Install, Uninstall,Update, Rollout Update, Remove File, export, Export DDL and Export File.
- Difference between .war and .ear Installation /update.
- Activities to be performed post installation /update /uninstallation.
- Deployment activity logs.
- Plugin management to get new deployed application’s context
root in plugin-cfg.xml.
- Concept of “Scope” in WAS in terms of Cell, Node,Cluster, application server for any configuration.
- Creation of new environmental WebSphere variables.
- Introduction to ojdbc.jar and types DB drivers in terms of thin and thick clients.
- Introduction to JDBC provider, JAAS Authentication.
- Creation of a new Data Source.Test connection scenarios.
- Data source connection pool general properties and introduction to multiple timeout values.
- Purge policies.
- Introduction to resources.xml in terms of Data Source related tags.
- XA and Non-XA transactions. Management of transaction logs during XA exceptions.
- Shared and unshared connections.
JMS – Java Messaging Services
- Concept of messaging. synchronous and Asynchronous messaging.
- Concept of Queue and Topic.
- Concept of QCF (Queue Connection Factories) and TCF (Topic Connection Factories).
- Concept of Activation Specifications.
- Creation of Queues and QCFs.
Significance of global security.
- Introduction to administrative,application and Java 2 security settings.
- Introduction to different available LDAP realm definitions like local OS, LDAP, Custom and Federated. Concept of administrative user /group roles.
- Concept of LTPA (Lightweight Third Party Authentication).
- Concept of Kerberos.
- Concept of SSO (Single Sign On).
- Concept of TAI ( Trust Association Interceptor).
- Configuring LDAP details in global security.
- Introduction to type of LDAP servers, secure and non-secure ports.
- Introduction to security.xml in terms of LDAP related tags.
- Disabling global security in multiple scenarios.
- Concept of SSL, encryption and decryption of messages over transport layer.
- Concept of public & private key, personal & signer certificates and self-signed & CA (Certification Authority) signed certificates.
- Concept of trust store and keystore. Introduction to various stores like .p12, .kdb, .jks and .db.
- Introduction to iKeyman tool and other command line utilities like gsk, keytool and certutil.
- Scope of SSL in webserver, plugin , webSphere and in other outbound traffic layers. How to create new key store, generate certificate request, generate self-signed cert, add signers,receive signed cert,rename label,import /export certificates,delete, set default cert, list all certs, list personal certs, check details of any cert label and reset/change password of existing certificate store.
- Concept of “Key stores and certificates”, “SSL configurations” and “Dynamic outbound endpoint SSL configurations ” in WAS admin console.
- How to enable SSL in webserver for doing handshake with front-end load balancer or external client.
- How to enable SSL in WebSphere plugin to do SSL handshake with front-end webserver and back-end application servers.
- How to enable SSL in Websphere cell /node /cluster/ server scope to SSL handshake with either inbound or outbound client requests.
- How to enable SSL in IIS, Jboss, iPlanet and tomcat certificate stores.
- Introduction of security.xml in terms of SSL related tags.
- How to enable SSL between WAS & MQ using QCF and
- WAS & LDAP using LDAP configuration.
- How to disable SSL at different layers.
Introduction to various important files
- conf and admin.conf in IHS webserver.
- plugin-cfg.xml in WebSphere plugin.
- xml, Admin-authz.xml and ltpa.jceks in LDAP configuration.
- xml in DS and JMS configurations.
- WAS_ROOT properties files like portdef.props, profileRegistry.xml,
- properties and soap.client.props.
- WAS_ROOT bin files like clear ClassCache.sh, collector.sh,convert Script Compatibility .sh, EAR Expander.sh, ejbdeploy.sh,
- sh, PropFilePasswordEncoder.sh, setupCmdLine.sh,
- sh, WASPostUpgrade.sh and wsadmin.sh.
- Other files like virtualhosts.xml, serverindex.xml, variables.xml,
- xml, server.xml, libraries.xml and sib-service.xml.
- Overview of WebSphere scripting and supported
- programming languages like jacl and jython.
- Launching wsadmin. Command and script invocation
- Introduction to the wsadmin tool management objects
- like Help, AdminControl, AdminConfig, AdminApp and
- How to do the properties file based configuration.
- Managing WebSphere using script libraries.
- Assistance with scripting. How to enable command
- assistance in Websphere admin console.
- Using scripts with the job manager.
- Using wsadmin to manually generate heap dump.
- Writing small scripts to do normal monitor activities.
WAS 8.5 New Advantages
- Liberty profile.
- Dynamic clustering.
- Multiple SDK support (6 and 7 in parallel).
- Intelligent management. Concept of ODR- On Demand
- Application Edition Management.
- Monitored directory.
- Improved messaging engine.
- Health policies.
- HPEL- High Performance Extensible Logging.
- GUI mode dump generation.
- Core group and node group.
- Centralized installation manager. Advantages.
- Administrative agent configuration.
- Job manager configuration.
- Performance tuning.
- Data source tuning.
- Web container tuning.
- Web server tuning.
- WebSphere plug-in tuning.
- JVM tuning.
- Dynamic caching.
Monitoring, Tracing & Restoring
- TPV- Tivoli Performance Viewer.
- Enabling PMI.
- XCT- Cross Component Tracing.
- Sensitive log and trace guard.
- Hang detection policy.
- Memory leak detection policy.
- MustGather for troubleshooting.
- Restarting an application server in recovery mode.
- Recovering a failed managed node of a DMgr.
- Configuring HA Manager policies and transaction log failover.
- Left outs or Lagging topics.
- Frequent issues and solutions with application server’s
- startup or configuration.
- Frequent issues and solutions with application
- Frequent issues and solution with DS, JMS, LDAP, SSL and
- webserver configurations.
- Q&A sessions.
- Quiz session on full topic simulated to actual
- certification test scenario.
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