ubuntu

How To Centralize Your Docker Logs with Fluentd and ElasticSearch on Ubuntu 14.04 — step-by-step Docker tutorial on Progressive Robot

How To Centralize Your Docker Logs with Fluentd and ElasticSearch on Ubuntu 14.04

[Fluentd](https://www.fluentd.org) is an open source data collector designed to unify logging infrastructure. It is designed to bring operations engineers, application engineers, and data engineers together by making it simple and scalable to collect and store logs. This tutorial demonstrates how to install Fluentd and use it to collect logs from Docker containers. We’ll stream the data to another container running Elasticsearch on the same Ubuntu 14.04 server.

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How To Configure a MongoDB Replica Set on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Configure a MongoDB Replica Set on Ubuntu 20.04

The practice of synchronizing data across multiple separate databases is called replication. In MongoDB, a group of servers that maintain the same data set through replication are referred to as a replica set. This tutorial provides a brief overview of how replication works in MongoDB before outlining how to configure and initiate a replica set with three members.

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How to Connect Your Internet of Things with Node-RED on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Connect Your Internet of Things with Node-RED on Ubuntu 16.04

Node-RED is a switchboard for the Internet of Things, a visual tool that helps you connect your favorite apps, websites, and hardware together to do new and useful things. Node-RED has a powerful and flexible interface, and a large open source community creating *nodes* to interact with a wide variety of apps and services. In this tutorial, we’ll install Node.js and Node-RED, get an SSL certificate from Let’s Encrypt, and use Nginx to handle secure connections for Node-RED.

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How To Create a High Availability Setup with Heartbeat and Reserved IPs on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Create a High Availability Setup with Heartbeat and Reserved IPs on Ubuntu 16.04

Heartbeat is an open source program that provides cluster infrastructure capabilities—cluster membership and messaging—to client servers, which is a critical component in a high availability (HA) server infrastructure. Heartbeat is typically used in conjunction with a cluster resource manager (CRM), such as Pacemaker, to achieve a complete HA setup. However, in this tutorial, we will demonstrate how to create a 2-node HA server setup by simply using Heartbeat and a the cloud provider Reserved IP.

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