May 112020

ADM

Install and use firewalld on Ubuntu

  • 11 May 2020
  • ADM

Firewalld is one of the Linux firewall management tool and it is available on the in the Ubuntu's default repositories, therefore it is available to be installed from these repositories using the apt packaging system.

Apr 042018

ADM

How to change Tomcat default port

  • 04 April 2018
  • ADM

How to change Tomcat default port 8080 to any other port. Three steps: locate server.xml file, edit and restart the Tomcat service.

Feb 142017

ADM

How to configure Tomcat with Eclipse

  • 14 February 2017
  • ADM

How to configure Tomcat with Eclipse. Simple steps to configure Tomcat working within Eclipse IDE.

Feb 082017

ADM

How to send emails using JavaMail

  • 08 February 2017
  • ADM

How to send emails using JavaMail. Simple example using a gmail account and proxy settings if needed.

May 232016

ADM

Split URL into components using regex

  • 23 May 2016
  • ADM

Split URL into components (protocol, domain, port and uri) using regex in Java. Simple and tested example.