How to Install Tomcat 9 on Ubuntu 18.04/20.04
Apache Tomcat is an open-source web server and Java servlet container. It is one of the most popular choices for building Java-based websites and applications. Tomcat is lightweight, easy to …
How to Set Up a Firewall with UFW on Ubuntu
A firewall is a tool for monitoring and filtering incoming and outgoing network traffic. It works by defining a set of security rules that determine whether to allow or block …