Securing your Ubuntu/Debian based VPS using IPTABLES/Netfilter firewall

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securing-your-ubuntu-based-vps-using-iptables-firewallIn the following article we will show you how you can secure and protect your Ubuntu or Debian based virtual server using a firewall application, called iptables.

What is iptables?

It is is a user space application program that allows a system administrator to configure the tables provided by the Linux kernel firewall (implemented as different Netfilter modules) and the chains and rules it stores.

In order to keep down the number of attempted break-ins and to filter the ports opened on your virtual server, it is necessary to properly configure your firewall.

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Useful Exim Commands

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exim vpsExim is a popular, powerful and easily configurable mail transfer agent (MTA) included on most Linux operating systems.

If you want to install Exim on a CentOS VPS, all you have to do is install the EPEL repository:

rpm -Uvh http://fedora-epel.mirror.lstn.net/6/x86_64/epel-release-6-8.noarch.rpm

then, install Exim via yum:

yum install exim

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Install Pagekit CMS on an Ubuntu VPS

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pagekit-logoToday we will go through the process of installing Pagekit CMS on an Ubuntu VPS with Nginx and MariaDB. Pagekit is a modern CMS, written in PHP on top of Symfony components and modern open source libraries. Pagekit uses its own templating engine called Razr and Markdown formatting.
This should work on other Linux VPS systems as well but was tested and written for Ubuntu 14.04.

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How to install eGroupware on an Ubuntu 14.04 VPS

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how-to-install-egroupware-on-an-ubuntu-14-04-vpsIn the following article we are going to cover the installation steps for eGroupware on an Ubuntu 14.04 Virtual Server.

What is eGroupware?

It is free and open source groupware software intended for businesses from small to enterprises. Its primary functions allow users to manage contacts, appointments, projects and to-do lists.

Requirements?

eGroupware runs on an Ubuntu base system, requires a webserver, a database server, a mail server etc.

 

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Install Moodle on a Linux VPS

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moodleMoodle is a learning platform designed to provide educators, administrators and learners with a single robust, secure and integrated system to create personalised learning environments. It has several features considered typical of an e-learning platform, in addition to some original innovations like its filtering system. Moodle is a learning management system (LMS) and can be used in many types of environments such as in education, training and development, and business settings.

In this guide, we’ll show you how to install Moodle on a Linux VPS.

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How to install LEMP (Linux, Nginx, MariaDB & PHP-FPM) on a CentOS 7 VPS

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Nginx-logoThe following article will walk you through the steps on how to install LEMP (Linux, Nginx, MariaDB & PHP-FPM) on one of our CentOS 7 Linux Virtual Servers.

If instead, you are looking for how to set-up LAMP, then please refer to our guide on how to install LAMP (Linux Apache, MariaDB & PHP) on a CentOS 7 VPS

What is LEMP?

A LEMP stack is a synonym of LEMP server or LEMP web server. It refers to a set-up which includes Linux, Nginx, MariaDB (MySQL) and PHP.

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How to install LAMP and run osTicket on CentOS 6

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how-to-install-lamp-and-run-osticket-on-a-centos-6-vpsIn the following tutorial we are going to show you how you can install and configure LAMP (Linux Apache MySQL and PHP) on your CentOS 6 VPS and run your own, support ticketing system powered by osTicket.

What is osTicket?

It is an open source support ticketing system. It seamlessly routes inquiries created via email, web-forms and phone calls into a simple, easy-to-use, multi-user, web-based customer support platform.

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