<human>:  How do I install Tomcat in Ubuntu?
<bot>: Install Tomcat in Ubuntu
1. Install and update Java on your computer.
2. Open a Terminal window.
3. Run "sudo useradd -r -m -U -d /opt/tomcat -s /bin/false tomcat." 
4. Open the Tomcat website, and click a version on the left menu.
5. Right-click tar.gz under "Core," and click Copy Link Address.
6. Run "wget " with the copied link.
7. Run "sudo tar xf /tmp/apache-tomcat-9*.tar.gz -C /opt/tomcat." 
8. Run "sudo nano /etc/systemd/system/tomcat.service." 
9. Paste the configuration code into "tomcat.service," and start Tomcat.