Neo4j is a graph database that records relationships between data nodes, whereas traditional relational databases use rows and columns to store and structure data. Since each node stores references to all the other nodes that it is connected to, Neo4j can encode and query complex relationships with minimal overhead.
In this guide, we will discuss how to install and configure the OpenLDAP server on Ubuntu 16.04. We will then install phpLDAPadmin, a web interface for viewing and manipulating LDAP information. We will secure the web interface and the LDAP service with SSL certificates from Let’s Encrypt, a provider of free and automated certificates.
Postfix is an MTA (Mail Transfer Agent), an application used to send and receive email. In this tutorial, we will install and configure Postfix so that it can be used to send emails by local applications only.
Postfix is a popular open-source Mail Transfer Agent (MTA) that can be used to route and deliver email on a Linux system. It is estimated that around 25% of public mail servers on the internet run Postfix. In this guide, we’ll teach you how to get up and running quickly…
Redis is an in-memory, key-value store known for its flexibility, performance, and wide language support. In this guide, we will demonstrate how to install and configure Redis on an Ubuntu 16.04 server. To complete this guide, you will need access to an…
Sphinx is an open source search engine that allows full-text searches. In this tutorial we will set up Sphinx with MySQL server using the example SQL file included in the distribution package to give you a basic idea of how to use Sphinx for your project.
In this guide, you’ll set up a VNC server on an Ubuntu 18.04 server and connect to it securely through an SSH tunnel.
VNC or Virtual Network Computing is a platform-independent protocol that enables users to connect to a remote computer system and use its resources from a Graphical User Interface (GUI).
If a PHP file becomes more complex (and it will for any application), you will have a big problem with managing the layout of your site. If you want a designer to work with it, this designer will have to search into this file which is what we want to prevent. So the solution is the separation of the presentation (layout) from the logic (programming) and the best way to do it is by using a template engine such as Twig.
Memory object caching systems like Memcached can optimize backend database performance by temporarily storing information in memory, retaining frequently or recently requested records. In this guide, we will cover how to protect your Memcached server by binding your installation to a local or private network interface and creating an authorized user for your Memcached instance.
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