open source

Hacktoberfest: How to Submit Your First Pull Request on GitHub — step-by-step DevOps tutorial on Progressive Robot

Hacktoberfest: How to Submit Your First Pull Request on GitHub

Want to participate in this year’s Hacktoberfest? In this tutorial we’ll introduce you to Git and GitHub, the version control system that we’ll be using to track your progress, and repository hosting service that shares projects to collaborate on. By the end of this tutorial, you’ll be ready to submit your first pull request and will be well on your way to participating in Hacktoberfest!

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How To Configure a Galera Cluster with MariaDB on CentOS 7 Servers — step-by-step Linux tutorial on Progressive Robot

How To Configure a Galera Cluster with MariaDB on CentOS 7 Servers

In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three CentOS 7 Droplets that will act as nodes in the cluster. MariaDB is an open source relational database system that is fully compatible with the popular MySQL RDBMS system. Galera is a database clustering solution that enables you to set up multi-master clusters using synchronous replication.

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How To Set Up Mattermost on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Mattermost on Ubuntu 18.04

Mattermost is an open source collaboration and messaging platform created with security and configurability in mind, that provides comparable functionality to Discord or Slack. In this tutorial, you will set up the Mattermost Team Edition on your Ubuntu 18.04 server. First, you’ll install it and expose it at your domain, secured with a free Let’s Encrypt TLS certificate.

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