Update READme.md

Author: legah2045

Tomcat-installation/READme.md

@@ -17,22 +17,28 @@
 
 ``` sh
 # install Java JDK 1.8+ as a pre-requisit for tomcat to run.
+sudo hostnamectl set-hostname tomcat
 cd /opt 
 sudo yum install git wget -y
 sudo yum install java-1.8.0-openjdk-devel -y
-# Download tomcat software and extract it.
+# install wget unzip packages.
 sudo yum install wget unzip -y
 ```
-### Install Tomcat version 9.0.65
+## Install Tomcat version 9.0.65
+### Download and extract the tomcat server
 ``` sh
 sudo wget https://dlcdn.apache.org/tomcat/tomcat-9/v9.0.65/bin/apache-tomcat-9.0.65.tar.gz
 sudo tar -xvf apache-tomcat-9.0.65.tar.gz
 sudo rm -rf apache-tomcat-9.0.65.tar.gz
+### rename tomcat for good naming convention
 sudo mv apache-tomcat-9.0.65 tomcat9
+### assign executable permissions to the tomcat home directory
 sudo chmod 777 -R /opt/tomcat9
 sudo chown ec2-user -R /opt/tomcat9
+### start tomcat
 sh /opt/tomcat9/bin/startup.sh
 # create a soft link to start and stop tomcat
+# This will enable us to manage tomcat as a service
 sudo ln -s /opt/tomcat9/bin/startup.sh /usr/bin/starttomcat
 sudo ln -s /opt/tomcat9/bin/shutdown.sh /usr/bin/stoptomcat
 starttomcat