Redis is an acronym for Remote dictionary server. It’s an open source, in-memory and persistent key-value database / store which stores data as key-value pairs and also doubles up as a message broker. Redis...
VirtualBox is a free and open source, cross platform virtualization tool from Oracle that allows you to create virtual machines and try out different operating systems. It’s easy to install and use and you...
Yarn is a JavaScript package manager developed by Facebook that provides a list of benefits over its counterpart NPM. Some of these include: Faster rate of package downloads, ability to download offline packages and...
You can easily increase the size of your root volume of an AWS instance (EC2) without incurring any form of downtime or interrupted associated with a reboot. In this tutorial, we will give you...
Grafana is a free and opensource tool for querying, analyzing and visualizing metrics from an array of multiple data sources whether physical or from the cloud. With Grafana, you can create, explore and share...
Prometheus is an open source monitoring, querying and alerting tool. Originally built by Soundcloud in 2012, the feature-rich tool has been adopted by several companies to monitor their IT infrastructure and ensure all systems...
Podman is a free and open-source daemonless container platform that was built to develop, manage and deploy containers and pods on a Linux environment. Pods are group of containers which are usually deployed on...
In this topic, we shed light on how you can add or attach an EBS (Elastic Block Storage) volume on an AWS instance. An extra EBS volume supplements storage space for your instance. Once...
Ansible is increasingly becoming the go-to platform for application deployment, and software provisioning among developers owing to its ease of use and flexibility. Furthermore, it is easy to set up and no agent is...
Have you ever wondered how you can backup and restore your Ubuntu or Debian system ? Timeshift is a free and opensource tool that allows you to create incremental snapshots of your filesystem. You...
Postfix is a free and opensource MTA (Mail Transfer Agent) used for routing or delivering emails on a Linux system. In this guide, you will learn how to install and configure Postfix on CentOS...
In the previous article, we demonstrated how to install Nagios Core on CentOS 8 / RHEL 8 server. In this guide, we will dive deeper and add Linux and Windows hosts to the Nagios...
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