Setup Tomcat 8 in CentOS 6.x

setup_tomcat8_centos6x.sh

#!/bin/bash
# this script build tomcat8 on CentOS 6.x and 7.x 
# with Java OpenJDK 8 
# Author : Mansur Ul Hasan
# Servers Planets Inc.
# Email : [email protected], [email protected]
# Gist : https://gist.github.com/mansurali901


UpdateRepo () {
  echo "Updating Repository "
  yum install epel-release -y
  yum update -y
}

InstallJava () {
  echo "Installing Java OpenJDK 8"
  yum -y install java-1.8.0-openjdk.x86_64
  java -version
}

AddingUser () {
  echo "Adding Users for tomcat"
  groupadd tomcat
  mkdir /opt/tomcat
  useradd -s /bin/nologin -g tomcat -d /opt/tomcat tomcat
}

TomcatInstall () {
  echo "Installing tomcat 8"
  wget http://apache.mirrors.ionfish.org/tomcat/tomcat-8/v8.5.23/bin/apache-tomcat-8.5.23-fulldocs.tar.gz
  tar -xvf apache-tomcat-8.5.23-fulldocs.tar.gz
  tar xvf apache-tomcat-8.5.23.tar.gz -C /opt/tomcat --strip-components=1
  cd /opt/tomcat/
}

SettingPerm () {
  echo "Setting up secure tomcat"
  chgrp -R tomcat /opt/tomcat
  cd /opt/tomcat/
  chmod -R g+r conf
  chmod g+x conf
  chown -R tomcat webapps/ work/ temp/ logs/
}

ServiceRoute () {
echo "
#!/bin/bash
# This is init script for tomcat 8 in CentOS 6.x
# Author : Mansur Ul Hasan
# Servers Planets Inc.
# Email : [email protected], [email protected]
# Gist : https://gist.github.com/mansurali901

TomcatDir='/opt/tomcat'

StartTomcat () {
echo "Tomcat is going to start"
$TomcatDir/bin/startup.sh; sleep 5;  tail -n 15 $TomcatDir/logs/catalina.out
echo "Tomcat successfully started"

}

StopTomcat () {
echo "Tomcat is about to halt....."
$TomcatDir/bin/shutdown.sh; sleep 5;  tail -n 15 $TomcatDir/logs/catalina.out
echo "Tomcat is shutdown...."
}

case $1 in
start)
StartTomcat
;;
stop)
StopTomcat
;;
restart)
StopTomcat
StartTomcat
;;
*)
echo "Please pass the valid argument
Help :
start   To Start the tomcat process
stop    To stop the tomcat process
restart To Stop then restart the tomcat process

for further help please send email at
[email protected]
"
;;
esac" >/etc/init.d/tomcat

chmod +x /etc/init.d/tomcat

/etc/init.d/tomcat start
} 

## Initializing All Functions
UpdateRepo    # Update Java Repo
InstallJava   # Install Java
AddingUser    # Add User
TomcatInstall # Install Tomcat
SettingPerm   # Setup Secure Tomcat
ServiceRoute  # Start Tomcat on port 8080