How to install GeoSever into Ubunut 20.04 LTS

Geos.sh

#!/bin/sh

# Install Java
sudo apt install default-jre
java --version
ufw status
sudo ufw status
sudo enable ufw
sudo ufw enable

#Install tomcat
wget https://www-us.apache.org/dist/tomcat/tomcat-9/v9.0.0/bin/apache-tomcat-9.0.0.tar.gz 
sudo tar xzvf apache-tomcat-9*tar.gz -C /opt/tomcat --strip-components=1 
sudo systemctl enable tomcat9
sudo service tomcat9 start
sudo service tomcat9 status
# Install Geoserver
wget https://sourceforge.net/projects/geoserver/files/GeoServer/2.18.0/geoserver-2.18.0-war.zip
cd /var/lib/tomcat9/webapps
sudo unzip geoserver-2.18.0-war.zip
ls
sudo rm geoserver-2.18.0-war.zip
sudo service tomcat9 status
sudo service tomcat9 start
sudo service tomcat9 status

# localhost:8080/geoserver