James Kiarie 
On April 23rd, 2020, the Canonical team released the much-anticipated Ubuntu 20.04 LTS (Focal Fossa) release. The latest release takes over from its predecessor Ubuntu 18.04 LTS and ships with a new and sleek desktop theme, an improved overall look-and-feel, Linux kernel 5.4, ZFS file … Read more
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 supports a wide array of data structures including sets, lists, hashes, … Read more
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 can create your own virtual machines, assign them resources such as … Read more
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 auto-generation of lock files. In this brief tutorial, we will give … Read more
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 a step-by-step procedure on how you can extend an EBS boot … Read more
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 beautiful and intuitive dashboards from different data sources without a hassle. … Read more
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 are running smoothly. Prometheus allows you to query and pull time-series … Read more
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 the same host system. Podman is gradually replacing docker which is … Read more
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 attached to the AWS instance, the EBS volume becomes a block … Read more
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 required to be installed on remote nodes, instead, Ansible uses password … Read more
Have you ever wondered how you can backup and restore your Ubuntu or Debian system ? TimeShift, a powerful backup and restore utility. TimeShift allows you to create system snapshots, providing an easy way to revert to a previous state in case of unexpected issues or … Read more
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 8. Lab set up: OS : CentOS 8 … Read more
