Apache tomcat
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The document discusses setting up and configuring an Apache Tomcat server. It includes steps to install Java, download and extract the Tomcat source package, set environment paths, start and stop the Tomcat server, and test functionality using HTML, JSP and Servlet files. The server runs on port 8080 by default and can host Java web applications built with Servlets and JSP.
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Tomcat and Apache httpd - Installation
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Installing Apache httpd
●
Download Apache httpd
●
http://httpd.apache.org/download.cgi
●
select the source code or binary package
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antislashn.org
Tomcat and Apache httpd - Installation
8 / 16
Installing Apache httpd
●
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service httpd start
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Lecture 19 - Dynamic Web - JAVA - Part 1.ppt
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WEB TECHNOLOGY Unit-3.pptx
WEB TECHNOLOGY Unit-3.pptxkarthiksmart21 This document discusses server-side programming and servlets. It defines a web application as an application accessible from the web, composed of web components like servlets that execute on the web server. It describes CGI technology and its disadvantages. It then discusses server-side scripting, why server-side programming is important for enterprise applications, and the advantages it provides over client-side programming. The document outlines different types of server-side programs and provides details on servlets, the servlet container, servlet API, and the servlet lifecycle.
TOMCAT WEB SERVER TECHNICAL BY SAIKIRAN PANJALA
TOMCAT WEB SERVER TECHNICAL BY SAIKIRAN PANJALASaikiran Panjala Tomcat is an open-source web server that implements Java servlet and JavaServer Pages (JSP) technologies to deploy web applications. The document discusses Tomcat's origins as a servlet container donated to the Apache Software Foundation by Sun Microsystems. It provides an overview of installing and running Tomcat, including setting environment variables, starting and stopping the server, and accessing applications through HTTP. The conclusion compares features of different web servers and factors to consider when selecting one.
Asif
AsifShaik Asif The document discusses server-side programming using Java servlets. It begins with an introduction to servlets and their role in dynamically generating web pages based on user input, changing data, or server-side sources like databases. It then covers key aspects of the servlet programming model including the servlet lifecycle with initialization and request handling, the servlet container that manages servlets, and common web servers like Tomcat that implement the servlet specification. Example uses of servlets are also provided.
AJppt.pptx
AJppt.pptxSachinSingh217687 This power point presentation provides an overview of advance Java topics including servlets, session handling, database handling, JSP, Struts, MVC, and Hibernate. It begins with a brief introduction of Java and its history. It then discusses advance Java topics like J2EE, servlets, session handling using different techniques. It also covers database handling using JDBC and topics like JSP, Struts framework, MVC pattern, Tiles framework, and Hibernate for object-relational mapping.
Java Servlets
Java ServletsNitin Pai - The document provides an overview of servlet technology including servlet basics, lifecycle, important classes, and Apache Tomcat implementation.
- It describes how to set up a development environment with Tomcat and IDEs like Eclipse, and covers servlet structure, deployment, mapping, and configuration using the web.xml file.
- An example basic servlet class is shown extending HttpServlet and implementing doGet and doPost methods.
Web servers
Web serversKuldeep Kulkarni Web servers are software applications that deliver web content accessible over the Internet or intranets. They host websites, files, scripts, and programs and serve them using HTTP and other protocols. Common web servers include Apache, Microsoft IIS, and Sun Java. Tomcat is an open source web server and servlet container. It implements Java servlets and JSP specifications, providing a Java HTTP environment. Tomcat's main components are Catalina for servlet handling, Coyote for HTTP connections, and Jasper for JSP compilation. While Apache is generally better for static content, Tomcat can be used with Apache for Java/JSP applications.
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More from Shashwat Shriparv (20)
Learning Linux Series Administrator Commands.pptx
Learning Linux Series Administrator Commands.pptxShashwat Shriparv This document provides summaries of common Linux administration commands including curl, grep, ps, top, env, netstat, dig, lsof, df, du, id, chmod, chown, touch, stat, history, uptime, users, tar, ssh, scp, find, systemctl, crontab, traceroute, hostname, and route. Each command is briefly described and examples are provided to demonstrate basic usage. The document serves as a helpful introduction and reference for common Linux admin commands.
LibreOffice 7.3.pptx
LibreOffice 7.3.pptxShashwat Shriparv #LibreOffice is a #free and powerful #officesuite, and a successor to #OpenOffice.org (commonly known as #OpenOffice).
Its clean interface and feature-rich tools help you unleash your #creativity and enhance your #productivity. #LibreOffice includes several applications that make it the most versatile #Free and #OpenSource office suite on the market: #Writer (#wordprocessing), Calc (#spreadsheets), Impress (presentations), #Draw (vector graphics and #flowcharts), Base (#databases), and #Math (#formula editing).
#LibreOffice is #community-driven and #developed #software, and is a project of the #nonprofit #organization, The #Document #Foundation. #LibreOffice is free and #opensource software, originally based on #OpenOffice.org (commonly known as OpenOffice), and is the most actively developed OpenOffice.org successor project.
#LibreOffice is developed by users who, just like you, believe in the principles of #FreeSoftware and in sharing their work with the world in non-restrictive ways.
This office suite can easily replace costly paid option available. If you need a good office suite which is easily and freely available you can for sure give a try and.
It has following features/components for making your work easy and cost free and vendor independent:
Writer – word processor
Calc – spreadsheet
Impress – presentations
Draw – diagrams
Base – database
Math – formula editor
Charts
Better #collaboration
#Sharingdocuments and edits with other users have been enhanced and well tracked, to make modifications more clear.
Work faster in Calc
Working with #Spreadsheet has the new #Bash-like autocompletion feature helps you to input data in a snap.
#Barcodes and borders
We can now insert #barcodes into your #documents with just a few clicks
For Full information about the release you can visit if your are interested.
https://wiki.documentfoundation.org/ReleaseNotes/7.3
If you need any help you can reach out here
https://twitter.com/libreoffice
https://blog.documentfoundation.org/
https://www.facebook.com/libreoffice.org
https://twitter.com/AskLibreOffice
What Next :
#LibreOffice 7.4 – is next major release in August, you can try installing and test it and help the developers to find if any bug or issue or need any improvement.
Let's install and explore.
We will now install it in #Ubuntu and explore this a bit
Kerberos Architecture.pptx
Kerberos Architecture.pptxShashwat Shriparv
#SystemArchitecture Series: #Kerberos Architecture Component and communication flow #architecture
#Kerberos is a ticketing-based #authentication #system, based on the use of #symmetric keys. #Kerberos uses tickets to provide #authentication to resources instead of #passwords. This eliminates the threat of #password stealing via #networksniffing. One of the biggest benefits of #Kerberos is its ability to provide single sign-on (#SSO). Once you log into your #Kerberos environment, you will be automatically logged into other applications in the environment.
To help provide a secure environment, #Kerberos makes use of Mutual #Authentication. In Mutual #Authentication, both the #server and the #client must be authenticated. The client knows that the server can be trusted, and the server knows that the client can be trusted. This #authentication helps prevent man-in-the-middle attacks and #spoofing. #Kerberos is also time sensitive. The tickets in a #Kerberosenvironment must be renewed periodically or they will expire.
Kerberos Architecture.pptx
Kerberos Architecture.pptxShashwat Shriparv Kerberos is an authentication system that uses tickets and symmetric encryption to allow clients to securely prove their identity. It has a key distribution center (KDC) with an authentication server and ticket granting server. The KDC issues tickets to authenticated clients that can then be used to access services. When a client wants access to a service, it first gets a ticket-granting ticket from the authentication server, then uses that to get a service ticket from the ticket granting server which can be presented to the desired service. This provides secure single sign-on access within the Kerberos domain.
Command Seperators.pptx
Command Seperators.pptxShashwat Shriparv 1. The document discusses different operators that can be used to run multiple commands in Linux, including &&, ||, ;, and &.
2. It explains that && runs the second command if the first returns true, || runs all commands, ; runs commands sequentially, and & runs a command in the background.
3. Examples are provided to demonstrate the behavior of each operator when using true and false commands or checking if a file exists.
Upgrading hadoop
Upgrading hadoopShashwat Shriparv Upgrade hadoop, upgrading hadoop, hadoop upgrading steps, steps to upgrade hadoop, how to upgrade hadoop, upgrade hadoop, hadoop upgradation
Hadoop migration and upgradation
Hadoop migration and upgradationShashwat Shriparv The document outlines the process for upgrading an existing Hadoop cluster to a newer version. It involves setting up a new cluster with the target version, migrating data from the old to new cluster either via copying files locally or using Hadoop commands, validating the new setup in a staging environment before switching production traffic over to the upgraded cluster.
R language introduction
R language introductionShashwat Shriparv - R is a free software environment for statistical computing and graphics. It has an active user community and supports graphical capabilities.
- R can import and export data, perform data manipulation and summaries. It provides various plotting functions and control structures to control program flow.
- Debugging tools in R include traceback, debug, browser and trace which help identify and fix issues in functions.
Hive query optimization infinity
Hive query optimization infinityShashwat Shriparv Well designed tables like partitioning and bucketing can improve query speed and reduce costs. Partitioning involves horizontally slicing data, such as by date or location. Bucketing imposes structure allowing more efficient queries, sampling, and map-side joins. Parallel query execution allows subqueries to run simultaneously to improve performance. The explain command helps analyze queries and identify optimizations.
H base introduction & development
H base introduction & developmentShashwat Shriparv HBase is a distributed, scalable, big data store that is built on top of HDFS. It is a column-oriented NoSQL database that provides fast lookups and updates for large tables. Key features include scalability, automatic failover, consistent reads/writes, sharding of tables, and Java and REST APIs for client access. HBase is not a replacement for an RDBMS as it does not support SQL, joins, or relations between tables.
Hbase interact with shell
Hbase interact with shellShashwat Shriparv The document provides instructions and examples for common commands used in the HBase shell to perform operations like listing tables, creating tables, describing tables, counting rows, putting and getting values, scanning tables, and more. It also provides tips for scripting with HBase, different ways to back up and restore HBase data, and using Hive to run SQL queries on HBase tables.
H base development
H base developmentShashwat Shriparv The document describes how to use Sqoop to import and export data between SQL databases and Hadoop. Sqoop allows importing individual tables or entire databases from a SQL database into HDFS files. It can also generate Java classes to interact with imported data and import data directly into a Hive data warehouse. The document provides examples of using Sqoop to import a MySQL table into HDFS and Hive, and export an HDFS directory to a database table. It also describes additional Sqoop commands for listing databases, tables, and evaluating SQL statements.
Hbase
HbaseShashwat Shriparv This document contains information about HBase concepts and configurations. It discusses different modes of HBase operation including standalone, pseudo-distributed, and distributed modes. It also covers basic prerequisites for running HBase like Java, SSH, DNS, NTP, ulimit settings, and Hadoop for distributed mode. The document explains important HBase configuration files like hbase-site.xml, hbase-default.xml, hbase-env.sh, log4j.properties, and regionservers. It provides details on column-oriented versus row-oriented databases and discusses optimizations that can be made through configuration settings.
H base
H baseShashwat Shriparv HBase is a distributed, scalable, big data NoSQL database that runs on top of Hadoop HDFS. It is a column-oriented database that allows for fast lookups and updates of large tables. Key components include the HMaster that manages metadata, RegionServers that store and serve data in regions or tables, and Zookeeper which provides coordination services.
My sql
My sqlShashwat Shriparv MySQL was first released internally in 1995 and to the public in 1996, with the MySQL company being founded in 2001 to focus on performance and scalability. By 2006, there were over 5 million MySQL installations worldwide. MySQL offers flexibility by being available on many platforms and provides powerful features such as full-text searching, replication, and security.
Linux 4 you
Linux 4 youShashwat Shriparv The document provides an overview of the Linux file system structure and common Linux commands. It describes that in Linux, everything is treated as a file, including devices, pipes and directories. It explains the different types of files and partitions in Linux, and provides examples of common file manipulation and system monitoring commands.
Introduction to apache hadoop
Introduction to apache hadoopShashwat Shriparv The document provides an agenda for a presentation on Hadoop. It discusses the need for new big data processing platforms due to the large amounts of data generated each day by companies like Twitter, Facebook, and Google. It then summarizes the origin of Hadoop, describes what Hadoop is and some of its core components like HDFS and MapReduce. The document outlines the Hadoop architecture and ecosystem and provides examples of real world use cases for Hadoop. It poses the question of when an organization should implement Hadoop and concludes by asking if there are any questions.
Next generation technology
Next generation technologyShashwat Shriparv The document discusses Hadoop, an open-source software framework that allows distributed processing of large datasets across clusters of computers. It describes key features of Hadoop like high scalability, availability, and performance. It explains how Hadoop can process massive amounts of data generated daily by internet companies efficiently using commodity hardware. Hadoop provides a storage system called HDFS and a programming model called MapReduce that together form the backbone of distributed computing infrastructure for many large companies.
Configure h base hadoop and hbase client
Configure h base hadoop and hbase clientShashwat Shriparv This document provides instructions for configuring Hadoop, HBase, and HBase client on a single node system. It includes steps for installing Java, adding a dedicated Hadoop user, configuring SSH, disabling IPv6, installing and configuring Hadoop, formatting HDFS, starting the Hadoop processes, running example MapReduce jobs to test the installation, and configuring HBase.
Apache tomcat
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- 2. • Introduction • Download & Install Java S/W Development Kit • Download a server (Apache Tomcat) • Configure the server • Set up development environment • Test your setup • Establish a deployment method Infinity 2
- 3. • Apache is the most common HTTP Web Server on the Internet. It is the Web server used at http://web.njit.edu • The Tomcat server is a Java-based Web Application container which is used to run Servlet and Java Server Pages (JSP) Web applications. • Tomcat has become the reference implementation for both the Java Servlets and Java Server Pages specifications. Infinity 3
- 4. • Apache Tomcat is used to serve Java Servlets and Java Server Pages. It's a complex piece of software and though the documentation is very comprehensive, it helps to have a good reference work to hand. • It is an open source Java Servlet application server used to deploy Java applications after they are built with JSP and Servlets. It can be used as a stand- alone product or it can be integrated with the Apache server. Infinity 4
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- 6. #java –version #javac –help Infinity 6
- 7. • Step1 : Install all the prequistes • Redhat : • #yum install java • Ubuntu : • #apt-get install java • Step2 : Download tomcat source package and uncompress it. Redhat/Ubuntu #cd /opt #wget http://www.trieuvan.com/apache/tomcat/tomcat- 6/v6.0.29/bin/apache-tomcat-6.0.29.tar.gz #tar xvfz apache-tomcat-6.0.29.tar.gz • Step3 : Setup the paths for Catalina and others. Setting catalina paths • Redhat/ubuntu • CATALINA_HOME=/opt/apache-tomcat-6.0.29 CATALINA_BASE=/opt/apache-tomcat-6.0.29 Infinity 7
- 8. • bin/sartup.sh : will start the tomcat server • bin/shutdown.sh : will stop the tomcat server • By default Apache Tomcat will be hosted on localhost : 8080 port by default. So try to access the site with web browser • http://localhost:8080 or http://localhost:8080 or http://systemname:8080 Infinity 8
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- 13. • Need to test • Static HTML • JSP • Servlets : A servlet is a Java programming language class used to extend the capabilities of servers that can be accessed by a host application via a request-response programming model • Test files provided • Testing.html, Testing.jsp, TestingServlet.java • Use default setting (webapps/ROOT) Infinity 13
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- 16. • Must be compiled, put in appropriate directories, and referenced correctly. Infinity 16
- 17. Client Web Server (Apache) Browser Tomcat Servlet JSP page Java Web Container Application Client Client Database Container Session Entity Bean Bean Client Machine EJB Container JBoss, WebSphere, WebLogic, etc Infinity 17
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