Cluster on Samarthya

`Devspace`: Managing Apps in Kubernetes

Tue, 15 Feb 2022 12:00:00 +0000

What is `devspace`?
#

devspace is a CLI tool for kubernetes, which can help you configure, deploy, debug. and test your application inside Kubernetes.

Adding Node to a cluster

Thu, 06 Jan 2022 06:58:31 +0000

In this blog, I will try add a new node to the already running cluster.

My Cluster
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root@master>k get nodes
NAME STATUS ROLES AGE VERSION
mydevmachine001830.samarthya.me Ready <none> 22h v1.23.1
mydevmachine002687.samarthya.me Ready <none> 41d v1.23.1
mydevmachine003277.samarthya.me Ready <none> 131d v1.23.1
mydevmachine003278.samarthya.me Ready <none> 131d v1.23.1
mydevmachine003417.samarthya.me Ready <none> 4m55s v1.23.1
mydevmachine003968.samarthya.me Ready <none> 131d v1.23.1
mydevmachine003969.samarthya.me Ready control-plane,master 131d v1.23.1
mydevmachine003970.samarthya.me Ready <none> 131d v1.23.1
mydevmachine003979.samarthya.me Ready <none> 29m v1.23.1

Steps to follow
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Install docker
Install kubeadm, kubectl & kubelet
Join the cluster using the token
Check the node has joined the cluster

Step 1: Install docker
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sudo yum install -y yum-utils
sudo yum-config-manager \
 --add-repo \
 https://download.docker.com/linux/centos/docker-ce.repo

When adding repo make sure the repo has been added successfully to the machine

Quick: Cheat Sheet

Fri, 08 Jan 2021 11:04:34 +0000

A cheat sheet for Installing K8S cluster.

Step1:
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Check your OS?

cat /etc/issue
lsb_release -a

Step 2:
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Add the GPG key as described here

Elastic Cluster API

Thu, 06 Feb 2020 00:00:00 +0000

Elastic Stack Monitoring Service is available with XPack only.

GET _cluster/settings

{
“persistent” : {
“xpack” : {
“monitoring” : {
“elasticsearch” : {
“collection” : {
“enabled” : “false”
}
},
“collection” : {
“enabled” : “true”
}
}
}
},
“transient” : { }
}

Cluster on Samarthya

`Devspace`: Managing Apps in Kubernetes

What is devspace? #

Adding Node to a cluster

My Cluster #

Steps to follow #

Step 1: Install docker #