Libvirt configuration — Openshift Single Node SNO — I’m intend to create an Ansible playbook project in the future. just created a recipe as of now. Environment My environment is below: RHEL8.5 libvirtd (libvirt) 8.0.0 libvirt network: default - Range 192.168.130.0/24 Domain and Single Node IP: *.fajlinux.local 192.168.130.11 Host setup Libvirt installing yum groupinstall "Virtualization Host" -y yum install virt-install libvirt-client -y systemctl…

In this post, I will show how to install the Podman container tool on RHEL8 based systems. According to the definition at Podman official website, Podman is a utility provided as part of the libpod library. It can be used to create and maintain containers. The following tutorial will…

Velero is a tool that enables backup and restore Kubernetes cluster resources and persistent volumes. It simplifies the task of taking backups/restores, migrating resources to other clusters, and replication of clusters. Stores Kubernetes resources in highly available object stores (S3, GCS, Blob Storage, etc.) Backs up PVs / PVCs using…

In this post I will show how to install a load balancer for non-cloud environment and depends on premises. Metal LB provides a load balancer for non cloud environment and allow to create the “LoadBalancer” service type in Kubernetes clusters that don’t run on a cloud provider. Project site …

Kubernetes Pods with persistent volumes are important for data persistence because containers are being created and destroyed, depending on the load and on the specifications of the developers. Pods and containers can self-heal and replicate. They are, in essence, ephemeral. Before start this post I’ve been posted some hands on…

Ceph : Cluster deployment Posted on May 28, 2020 by fajlinux In this post will be presented how to deploy the environment by ceph ansible. An ansible deployment is the most standardized and official format among the main vendors using Ceph. Ex: Suse, Oracle and Redhat. The installation presented in this document will use…

Ceph is open source, software-defined storage maintained by RedHat. It’s capable of block, object, and file storage. The clusters of Ceph are designed in order to run on any hardware with the help of an algorithm called CRUSH (Controlled Replication Under Scalable Hashing). This algorithm ensures that all the data…

Kubernetes is a powerful open-source system, initially developed by Google, for managing containerized applications in a clustered environment. It aims to provide better ways of managing related, distributed components and services across varied infrastructure. We talk about system architecture and how it solves problems with use cases to handle containerized…

Kubesray is a group of Ansible playbooks for deployment a Kubernetes cluster in most metal and most clouds. Official site: https://kubespray.io/ As described by project git repository : Can be deployed on AWS, GCE, Azure, OpenStack, vSphere, Packet (bare metal), Oracle Cloud Infrastructure (Experimental), or Baremetal Highly available cluster Composable…