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Steps

1. Get the current version of Stalwart Mail.
   • current version: v0.8.0
2. Check the documentation for the latest version.
   • upgrading documentation: https://github.com/stalwartlabs/stalwart/blob/main/UPGRADING.md
3. Upgrade to the next major version incrementally
   • next major version: v0.9.x
   • next …

Introduction

Talos is a container optimized Linux distro; a reimagining of Linux for distributed systems such as Kubernetes. Designed to be as minimal as possible while still maintaining practicality.

Installation

Regardless of where you run Talos, the steps to create a Kubernetes cluster are:

• boot …

My OpenStack development environment is build using RDO’s packstack utility and consists of three nodes: one controller, network, and compute node, and two compute nodes. RDO website offers two scenario for upgrading OpenStack Mitaka to OpenStack Newton. The first scenario involves taking down …

We will use ProxySQL as a gateway to access our Percona XtraDB Cluster. ProxySQL is a high-performance SQL proxy. ProxySQL runs as a daemon watched by a monitoring process. The process monitors the daemon and restarts it in case of a crash to minimize downtime. The daemon accepts incoming traffic …

Percona XtraDB Cluster is a database clustering solution for MySQL. It ensures high availability, prevents downtime and data loss, and provides linear scalability for a growing environment. Here we will try to install Percona XtraDB Cluster on a three nodes cluster configuration with the help from …