OpenSSH is one of the most popular tools that uses SSH protocol for secure system administration, file transfers, and other communication across the Internet. It is free and used by system administrators to manage remote systems. OpenSSH runs on port 22 and it is the first target of a hacker. So you may need to harden your OpenSSH server to protect it from hackers.
Tutorials
How To Install Nagios 4 and Monitor Your Servers on Ubuntu 20.04
Nagios is a free, open-source and powerful monitoring tool that helps you to monitor your entire IT infrastructure, servers, services and applications from the central location. It is based on client-server architecture. So you will need to install the Nagios agent on the client system and add it to the Nagios server for monitoring. If you are looking for a monitoring solution then Nagios is an essential tool for any production server environment.
In this tutorial, we will show you how to install Nagios 4 and monitor your server on Ubuntu 20.04.
Top WordPress Alternatives
One of the popular names in Content Management System (CMS) is WordPress but WordPress is not the only tool available to build and manage your website, there are other more useful alternatives available in the market.
WordPress is scalable, powerful but it is also a complex software. Despite it offers the flexibility of customization, a wide range of themes and plugins, there are some disadvantages. If you are not technically sound, you will run into problems during the installation of WordPress and at some point, you may feel the need for hiring a developer for security checks and maintenance of your WordPress site. In order to avoid such situations, the article offers you a list of alternative tools.
How to update your server from Ubuntu 18.04 to Ubuntu 20.04
Upgrading your Ubuntu version from one version to the latest version is one of the best features of Ubuntu. It is always recommended to upgrade your current Ubuntu version regularly in order to benefits from the latest security patches. You will get several benefit including, the latest software, new security patches and upgraded technology with a new version.
As of now, Ubuntu 20.04 LTS is the latest Ubuntu version and you will keep getting updates and support till April 2025.
How to Install Zikula on Ubuntu 18.04
Zikula is Free Open Source Software (FOSS) that allows users to build anything from simple one-page websites to complex and powerful web applications. Zikula is pretty easy to install and use.
In this tutorial we will show you how to install Zikula and all necessary dependencies on an Ubuntu 18.04 Cloud VPS.
How to Install and Configure Redis on Debian 9
Redis can be used as a key-value database or also as a cache and message broker. Some of Redis’ features are built-in transactions, replication, and support for a variety of data structures like strings, hashes, lists, sets, and so on. The Redis Sentinel makes Redis highly available and it supports automatic partitioning with Redis Cluster.
The Redis package which comes with the built in Debian repositories is pretty outdated and contains many vulnerabilities when it comes to security. To fix this in this guide, we are going to use the source version to install Redis. At the moment when this was written, the latest stable version of Redis was 4.0.10. The installation process of Redis on a Debian 9 Cloud VPS is a fairly easy task, but you have to follow the steps carefully as they are given in the tutorial below. Now let’s begin with the installation.
How to Install PostgreSQL on Ubuntu 18.04
In this tutorial, we will show you how to install PostgreSQL 11 on an Ubuntu 18.04 Cloud VPS. PostgreSQL is an open-source and general purpose object-relational database management system (ORDBMS).
The latest version of PostgreSQL, PostgreSQL 11, focuses on performance improvements. It comes packed with several advanced features and enhancements which include:
- Enhanced Capabilities for Query Parallelism which allows faster query execution
- Just-in-Time (JIT) compilation of SQL Statements
- Automatic index creation
- Advanced partitioning features
- Other performance improvements, like command line improvements, improved statistics and more…
Let’s start installing.
How to Install Roadiz CMS on Ubuntu 18.04
In this blog post, we will show you how to install Roadiz CMS on an Ubuntu 18.04 Cloud VPS.
“A modern content management system” – according to the developers and maintainers of Roadiz CMS, this is what their platform was designed and developed for. Based on a polymorphic node system, they say that this architecture can provide a new and different user experience.
Roadiz’s advanced theming system is built to be processed independently from the back-office (the editor backend) providing hassle-free switching of multiple themes. Basically, it allows users to create one theme for your desktop website and another one for your mobile with the same node hierarchy, plus a separate theme for your writers and editors.
The Roadiz CMS is developed using PHP with Composer, and it supports both Apache and Nginx web servers. For the database, it is compatible with MySQL, MariaDB and PostgreSQL database systems. The Roadiz CMS source code is released under the MIT license, and is available on GitHub. Let’s start with the installation.
How to Install Elgg on CentOS 7
In this tutorial, we will show you how to install Elgg on a CentOS 7 Cloud VPS.
Elgg is an open source social networking software that provides a robust framework that allows you to build all kinds of social environments. Whether it’s a campus-wide social network for your university, school or college, or an internal collaborative platform for your organization, Elgg is able to handle these cases with ease.
Elgg also offers many additional features, including blogging, micro-blogging, networking, groups, and much more. Let’s start installing Elgg.
How to Install Anaconda Python on CentOS 7
In this tutorial, we will be installing Anaconda Python on one of our fully managed CentOS 7 Cloud VPSes.
Anaconda Python is an open-source programming language based on a Python distribution that is specifically developed for scientific computing and large amounts of data processing. The Anaconda library has over 200 packages ready out-of-the-box and over 2000 downloadable packages, all of which enable developers and enthusiasts to better develop their data science related applications almost instantly. Also, Anaconda package ships with Conda, a command-line tool and the package manager for Anaconda, which provides management of libraries, dependencies, and different environments.
Here are some of Anaconda’s capabilities in terms of scientific computing and a wide range of data processing:
- Data Science
- Machine Learning
- Artificial Intelligence
- Data Analytics
- Neural Networks
- Graphical Representation
Anaconda is developed and maintained by Anaconda, Inc. under the new BSD license and is written using Python.