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.


How to open port for a specific IP address on CentOS 7

  • 02 February 2017
  • ADM

How to open port for a specific IP address on CentOS 7. Using the firewall-cmd command with add-rich-rule parameter.


Windows basics commands and tools for developers

  • 23 May 2016
  • ADM

Windows command prompt basics commands like ping, telnet, dir, cd, ipconfig and tools like Task Manager, Services, Registry.


How to prepare a Windows Java Development Machine

  • 05 April 2016
  • ADM

How to prepare a Windows Java Development Machine using Eclipse, NetBeans, Ant, Maven, MySQL, MongoDB, GIT, SVN.