Tomcat

Install Tomcat 8.5 on CentOS 7

Change directory.

cd /opt

Install wget.

sudo yum install wget

Get Tomcat.

sudo wget https://dlcdn.apache.org/tomcat/tomcat-8/v8.5.76/bin/apache-tomcat-8.5.76.tar.gz

Untar.

sudo tar -xzvf apache-tomcat-8.5.76.tar.gz

Rename.

sudo mv apache-tomcat-8.5.76/ tomcat/

Create user and group.

Add tomcat group and tomcat user.

groupadd tomcat
useradd -s /bin/false -g tomcat -d /opt/tomcat tomcat

Change mod.

chmod 775 -R tomcat/

Change ownership.

sudo chown -hR tomcat:tomcat /opt/tomcat

Firewall.

Add rule.

sudo firewall-cmd --zone=public --permanent --add-port=8080/tcp

Reload.

sudo firewall-cmd --reload

Check port.

sudo firewall-cmd --list-ports

At this point you can test Tomcat.

Start.

sudo bash /opt/tomcat/bin/startup.sh

Check if it's running.

netstat -plntu

run

URL:

http://localhost:8080

Stop.

sudo bash /opt/tomcat/bin/shutdown.sh

Run as service

Create a new file 'tomcat.service'

sudo nano /etc/systemd/system/tomcat.service

Paste the configuration.

[Unit]
Description=Apache Tomcat 8 Servlet Container
After=syslog.target network.target
 
[Service]
User=tomcat
Group=tomcat
Type=forking
Environment=CATALINA_PID=/opt/tomcat/tomcat.pid
Environment=CATALINA_HOME=/opt/tomcat
Environment=CATALINA_BASE=/opt/tomcat
ExecStart=/opt/tomcat/bin/startup.sh
ExecStop=/opt/tomcat/bin/shutdown.sh
Restart=on-failure
 
[Install]
WantedBy=multi-user.target

Start and enable at boot.

sudo systemctl daemon-reload
sudo systemctl start tomcat
sudo systemctl enable tomcat

Check.

sudo systemctl status tomcat