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Elasticsearch Tutorial on ELk Stack to configure elasticsearch cluster in RHEL/CentOS 7/8 Linux with examples. Get cluster helath status, node types, stats

Steps to install and configure glusterfs distributed volume on two cluster nodes with RHEL/CentOS 8. GlusterFS Tutorial with shared storage Red Hat/CentOS 8

A Kubernetes Persistent Volume (PV) is a piece of storage in the cluster that has been provisioned by an administrator or dynamically provisioned using Storage Classes

A Kubernetes StatefulSet makes sure pods are rescheduled in such a way that they retain their identity and state. It also allows you to easily scale the number of pods up and down.

The Kubernetes API server can be configured to use Role Based Access Control (RBAC) to check whether an action is allowed to be performed by the user requesting the action

Steps to perform kubernetes upgrade version requires updating controller followed by worker node. Update kubeadm and drain the node.

Step by step instructions to setup and deploy multi-node kubernetes cluster on Rocky Linux 8 using containerd and calico CNI

OOM is an abbreviation for Out Of Memory and if you are working in IT Field then you may not be new to this term. This can be a nightmare for developers and

configure and setup gfs2 file system with pacemaker cluster on rhel or centos 7 linux. configure gfs2 fs resource constraint using clvmd and dlm

Step by Step instructions to setup gitlab with visual studio code with screenshots. Connect GitLab with VSC and create your first project, commit changes, push to gitlab using VSC.

In this tutorial we'll show how we can use node affinity to schedule application pods as per our needs.

The Kubernetes subPath property prevents overwriting of existing data by mounting a single file from the volume instead of mounting the whole volume. We'll

Kubernetes Ingress provides a granular mechanism for routing requests into a cluster. Ingress does not replace Services but augments them with capabilities such as path-based routing.

Step by step instructions to setup visual studio code remote SSH with GitHub

Step by step instructions to setup GitHub with Visual Studio Code. Write your first commit, create branch, pull and push your changes to remote repo using visual studio code

Jinja2 is a very popular and powerful Python-based template engine. Jinja2 templates is widely used in Ansible playbook to access variables, configuration etc

To configure ansible we need certain pre-requisites. For example control node cannot be a windows node, We need SSH access on the managed node and python3 must be installed

In this tutorial I will share multiple methods and commands to check Kubernetes Cluster Version in a Kubernetes Cluster.

There are two methods to add label to running pod in Kubernetes. Using kubectl label pods or kubectl edit command to edit a resource object.

git rebase is used to integrate changes from one branch into another. rebase takes a series of commits (normally a branch) and replays them on top of another commit (normally the last commit in another branch). The …

Add a label to node. Remove a label from node. Use kubectl label node to add or remove a label from worker or controller nodes in Kubernetes Cluster

Step by step instructions to configure ansible on RHEL/CentOS 8. Since ansible is agentless we don't need any configuration on managed nodes.

How to use ansible without installing python3 on managed nodes. Can we use ansible without python? How to use raw module in Ansible?

We can also use password instead of passphrase to connect with controller to managed nodes using --ask-pass. By default ansible will not prompt for any password.

Ansible facts is a term used for system information of the managed nodes. By default ansible playbook will gather facts from the managed nodes using setup module

YAML uses indentation (like Python), which builds the relationship of items with one another and In Ansible, nearly every YAML file starts with a list.

Ansible loop is used to iterate over multiple tasks in playbook. It supersedes with_items in Ansible with later version as with_* are deprecated

We can use Ansible import module to add playbook, tasks from another file into a different playbook. This can help use the same set of tasks across multiple playbook and save space

Related Searches: drain kubernetes node, kubectl drain command, remove node from cluster kubernetes, kubernetes evict pods from node, kubernetes drain and

You can use the helm.sh/hook-weight annotation to hook resources that need to be created in a specific order. This weight can be any positive or negative integer number.