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Nodes and Modes: Maintaining Galera Replication for MariaDB

Tags: , , , , Date/Time: September 23, 2021 @ 12:00 am, by raindog308

In a previous tutorial, we showed you how to setup Galera replication for MariaDB so you could have multi-node, multi-master clusters.  We also saw how MariaDB painlessly replicates data.  In this tutorial, we’re doing to forcibly interject a little pain into the process by seeing how Galera deals with down loads and replaced nodes. Once […]

Painless MariaDB Replication with Galera Clusters

Tags: , , , , , Date/Time: September 22, 2021 @ 12:00 am, by raindog308

Galera is MariaDB’s multi-master replication technology which makes it a snap to setup highly-available multi-node MariaDB clusters.  In this tutorial we’ll walk through setting up a cluster and also look at some replication events. Cluster Design For Galera, you want to use odd-number clustered sizes: 3 nodes, 5 nodes, etc.  It’s possible to run a […]

LowEndBoxTV: Building a Highly Available WordPress Site, Part 3: Configuring MariaDB Multi-Master Replication

Tags: , , Date/Time: May 14, 2021 @ 12:00 pm, by raindog308

In this series, we take you from bare-metal to a highly-available WordPress site, load-balanced over two nodes and resistant to VPS failures using MariaDB multi-master replication, DRBD, and round-robin DNS. In this episode, we setup MariaDB’s Multi-Master replication. This video is based on our earlier tutorial. Earlier videos in this series: Part 1 Part 2 […]

Automating mysql_secure_installation in MariaDB Setup

Tags: , , , , Date/Time: April 27, 2021 @ 12:00 am, by raindog308

Lots of people want to automate their system setup, and this is frequently done by either using the provider’s new VM hooks to run a script at setup time or later using something like Ansible. If you are trying to automate MariaDB/MySQL installations, it’s easy enough to install MariaDB (e.g., apt-get -y mariadb-server) but you […]

LEMP Stack Installation on Ubuntu 16.04

Tags: , , , , , , Date/Time: July 18, 2019 @ 12:09 pm, by Kaylee Westover

This tutorial will show you how to install and configure the LEMP stack on your VPS/LowEndBox. LEMP stands for Linux Nginx MySQL PHP, and is a lightweight variation of the LAMP stack, which includes Apache instead of Nginx. You’ll notice that it’s not written as LNMP, and that’s due to the pronunciation of the word […]

CentOS 7 LAMP Server Tutorial Part 6: Moving to NGINX

Tags: , , , , , , , , , , , , , , Date/Time: July 15, 2019 @ 7:58 am, by Ryan Flowers

Welcome to the last installment in the CentOS 7 LAMP Server Tutorial: Modernized and Explained series! In this article we are going to turn our LAMP server into a LEMP server by removing Apache and installing NGINX (pronounced “Engine X”) in its place. Why would we want to replace the Apache web server with NGINX? […]

How to Install Moodle on Ubuntu 18.04

Tags: , , , , , , Date/Time: July 5, 2019 @ 7:03 am, by Kaylee Westover

Moodle is an open source Learning Management System or LMS.  It hails as the worlds most popular learning platform with over 153M users worldwide.  Moodle is consumable in 3 basic hosted varieties: DIY (self-hosted,) Hosted by Moodle for pretty reasonable price points, and Hosted by Moodle Partners. The Moodle product portfolio includes Core, App, Workplace, […]

CentOS 7 LAMP Server Tutorial Part 5: Speeding up WordPress with Redis

Tags: , , , , , , , , , , , , Date/Time: July 1, 2019 @ 7:10 am, by Ryan Flowers

In the previous CentOS 7 LAMP Server Tutorials, we configured a LAMP stack, secured it with Let’s Encrypt SSL certificates, and installed WordPress with WP-CLI. Here in Part 5 we’re going to up our game just a bit more by installing server side caching with a program called Redis. Then we’ll configure WordPress to use […]

CentOS 7 LAMP Server Tutorial Part 4: WordPress and wp-cli

Tags: , , , , , , , , , , , , , Date/Time: June 15, 2019 @ 6:00 am, by Ryan Flowers

Welcome to the fourth installment of the CentOS 7 LAMP Server Tutorial: Modernized and Explained series.In Part 1 and Part 2 we configured a LAMP server with PHP-FPM running PHP 7.3 and a modern version of MariaDB. Then we configured a single VirtualHost for hosting a website, and in Part 3 configured that VirtualHost to […]

CentOS 7 LAMP Server Tutorial Part 3: Let’s Encrypt SSL

Tags: , , , , , , , , , , , Date/Time: June 13, 2019 @ 6:10 am, by Ryan Flowers

Welcome to the third installment of the CentOS 7 LAMP Server Tutorial: Modernized and Explained series. This tutorial builds on the work done in Part 1 and Part 2, so if you haven’t checked them out, now’s a good time. In this installment we’re going to secure our new Virtual Host (lowend-tutorial.tld) with a Let’s Encrypt […]

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