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2233 articles
How to assign Kubernetes resource quota with examples
The Kubernetes resource quota is applied on the namespace using CPU, memory, storage and object count such as number of pods in the namespace
Easy steps to install multi-node Kubernetes Cluster CentOS 8
Install multi-node Kubernetes cluster using kubeadm on CentOS 8 Linux. Learn deployment architecture, with Docker CE runtime and weave networking add-on plugin
Steps to install Kubernetes Cluster with minikube
Deploy single node Kubernetes Cluster using minikube using Oracle VirtualBox on Windows environment. The cluster node will be on Ubuntu Linux.
How to perform Kubernetes RollingUpdate with examples
Kubernetes RollingUpdate is used with deployments to perform updates time zero downtime by incrementally updating Pods instances with new ones.
How to limit Kubernetes resources (CPU & Memory)
We can add a limit (quota) to different Kubernetes resources such as CPU, memory, hugepages for containers. We can restrict a soft and hard limit to these …
Beginners guide to learn Kubernetes Architecture
Kubernetes Cluster Architecture contains a controller (master) and worker node. There are three main components in the Kubernetes Cluster i.e. Nodes, Pods and …
Kubernetes ReplicaSet & ReplicationController Beginners Guide
Kubernetes ReplicaSet and ReplicationController (deprecated) are used to scale the number of Pods and make sure the minimum number of Pods are always running.
Kubernetes labels, selectors & annotations with examples
Kubernetes provides labels, selectors and annotations to organize the cluster nodes. These are mostly used with replication controllers and replica sets in a …
4 ways to SSH & SCP via proxy (jump) server in Linux
You can use either ProxyCommand or ProxyJump with ssh and scp respectively to connect target host or transfer files through any jump host with examples.
Python Regex Tutorial with Examples (re Module Cheat Sheet & Use Cases)
Learn Python regex (regular expressions) with practical examples, cheat sheet, and real-world use cases. Understand re module functions like search, match, …
5 practical examples to list running processes in Linux
How to list processes by user and name in Linux? How to check if process is running by pid? How to check process status? which command is used to kill a …
Python enumerate() Function
Learn Python enumerate() with simple for loop examples. Use enumerate() to get index and value while looping through lists, strings, tuples, dictionaries, and …
5 simple examples to learn python string.split()
Python split string using string.split() function. Split strings using for loop in one liner. python split string by space. python split string by comma
Useful OpenSSL command to view Certificate Content
Use openssl to view certificate content for different kinds of certificate. how to read x509 certificate. view certificate details
10+ simple examples to learn Python functions in detail
Python functions provide a way to compartmentalize your code into small tasks that can be called from multiple places within a program. The three main types of …