How to install Maven on CentOS

Steps to install and configure Maven on CentOS

• Download the tar.gz file from Apache Maven site
• Untar the file at some location (Eg: /opt/maven)
  • tar xzf <filename>
• Add the environment variable to ~/.bash_profile file
• cd $HOME
• vi ~/.bash_profile
  • Append PATH variable with maven path
  • Add M2_HOME variable
  • export M2_HOME
• Save and restart your system

• Verify maven installation
  • mvn --version

How to install and configure Apache Tomcat 7 on Cent OS

Here are the steps to install and configure Apache Tomcat 7 on Cent OS :

• Make sure you have JAVA 6 or later version installed on your machine.
  • Java --version
• Download Tomcat7 Archive
  • wget http://www.us.apache.org/dist/tomcat/tomcat-7/v7.0.64/bin/apache-tomcat-7.0.64.tar.gz
• Untar it at some location (eg: /opt/tomcat7)
  • tar xzf apache-tomcat-7.0.64.tar.gz
• Start the tomcat (bydefault it will start at port 8080)
  • sh /opt/tomcat7/bin/startup.sh
• Verify Apache Tomcat Server
• Goto your browser and check http://localhost:8080 or http://127.0.0.1:8080

• Stop the tomcat
• sh /opt/tomcat7/bin/shutdown.sh

• [Optional] To access admin|manager pages, you need to create user accounts. Add below lines inside <tomcat-users></tomcat-users> tags in ${tomcat7}/conf/tomcat-users.xml file.
  <role rolename="manager-gui"/>
  <user username="manager" password="root123" roles="manager-gui"/>
  <role rolename="admin-gui"/>
  <user username="admin" password="root123" roles="manager-gui,admin-gui"/>

How to install and Configure Apache Http Server on Cent OS

Here are the steps to install and configure Apache WebServer on Cent OS :

• Install Apache HTTP Server (By default Cent OS comes with Apache)
  • yum install httpd
• Set to Chkconfig to start on boot
  • chkconfig --level 235 httpd on
• Uncomment below line from configuration(/etc/httpd/conf/httpd.conf) file
  • NameVirtualHost *:80
• Restart Apache Http Server
  • service httpd restart
• Verify Apache Server
  • Goto your browser and check localhost or localhost.localdomain It will display Apache Test Page