Configuration management systems are designed to make controlling large numbers of servers easy for administrators and operations teams. They allow you to control many different systems in an automated way from one central location. Ansible is a simple configuration management system.
Apache Tomcat is an application server that can be used to easily serve Java applications. In this guide, we will discuss how to install and configure Tomcat and its associated tools on a Debian VPS.
Elasticsearch is a platform for distributed search and analysis of data in real time.
Use Grafana and Zabbix to create a custom dashboard that displays data about your servers.
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…
In this guide, we’ll focus on how to install and configure OpenLDAP on an Ubuntu 14.04 server. We will then install and configure phpLDAPadmin on the server, allowing us to manage our units and groups through an easy to use web interface.
Postfix is a *mail transfer agent* (MTA), an application used to send and receive email.
Postfix is one of the most popular open source mail delivery agents (MTA) in the world. In this guide, we will demonstrate how to install and configure a simple Postfix setup on an Ubuntu 14.04 server.
PowerDNS is an advanced, high performance authoritative nameserver compatible with a number of backends. In this case we will use MariaDB to store our zone file records. At the end of this tutorial, you will have a working PowerDNS nameserver that you can use to host DNS for any number of domains.
Sphinx is an open source search engine that allows full-text searches. It is best known for performing searches over large data very efficiently. The data to be indexed can generally come from very different sources: SQL databases, plain text files, HTML files, mailboxes, and so on. In this tutorial, we will set up Sphinx with MySQL server using the sample SQL file included in the distribution package.
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