YourNote 801: Useful Command

1. Check Tomcat Service Status

systemctl status tomcat10

2. Start Tomcat

If not running:

systemctl start tomcat10

3. Enable auto-start during boot:

systemctl enable tomcat10

4. Check webapps Folder

Most deployed applications are inside:

ls /var/lib/tomcat10/webapps

5. Check Deployed WAR Files

find /var/lib/tomcat10/webapps -name "*.war"

6. Check the port number tomcat10 is running

grep "Connector port" /etc/tomcat10/server.xml

7. Check Private/Internal IP

Most common command:

hostname -I

OR

ip addr

OR

ip a

Look for something like:

inet 10.15.0.5/24

8. Check Public IP (DigitalOcean/VPS)

curl ifconfig.me

OR

curl ipinfo.io/ip

9. Check Nginx Service Status

systemctl status nginx

10. Test Nginx Using Browser

Open:

http://YOUR_SERVER_IP