How to Insatll Tomcat 9 on CentOS

1. Install Java follow link https://pastebin.com/9yeHByxB
2. Insatll Tomcat 9
# cd /opt/
# wget http://www.apache.org/dist/tomcat/tomcat-9/v9.0.13/bin/apache-tomcat-9.0.13.tar.gz
# tar xzf aapache-tomcat-9.0.13.tar.gz
# mv apache-tomcat-9.0.13 tomcat
# groupadd tomcat
# useradd -M -s /bin/nologin -g tomcat -d /opt/tomcat tomcat
# chown -R tomcat. tomcat
# chmod +x /opt/tomcat/bin/*.sh
# vi /etc/systemd/system/tomcat.service
[Unit]
Description=Apache Tomcat 9
After=syslog.target network.target

[Service]
Type=forking

Environment="JAVA_HOME=/usr/lib/jvm/jre"
Environment='JAVA_OPTS=-Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom'
Environment=CATALINA_PID=/opt/tomcat/temp/tomcat.pid
Environment="CATALINA_BASE=/opt/tomcat"
Environment="CATALINA_HOME=/opt/tomcat"
Environment="CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC"

ExecStart=/opt/tomcat/bin/startup.sh
ExecStop=/opt/tomcat/bin/shutdown.sh
User=tomcat
Group=tomcat
UMask=0007
RestartSec=10
Restart=always
[Install]
WantedBy=multi-user.target
# vi /usr/lib/systemd/system/tomcat.service
# create new
 [Unit]
Description=Apache Tomcat 9
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/tomcat/bin/startup.sh
ExecStop=/usr/tomcat/bin/shutdown.sh
RemainAfterExit=yes
User=tomcat
Group=tomcat

[Install]
WantedBy=multi-user.target
# systemctl daemon-reload
# systemctl start tomcat
# systemctl status tomcat
# systemctl enable tomcat