Kubernetes cluster backup and restore using “etcdctl” tool
What is etcd?etcd is a distributed reliable key-value store for the most critical data of a distributed system, with a focus on being: Simple: well-defined, user-facing API…
Kubernetes Cluster Administration: Complete Reference
top: -Display Resource (CPU/Memory/Storage) usage What is metrics-server and How to Install metrics-server in kubernetes? taint: -Update the taints on one or more nodes Update the taints…
schedulable/unschedulable kubernetes node using kubectl cordon uncordon commands
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
What is metrics-server and How to Install metrics-server in kubernetes?
Metrics Server is a scalable, efficient source of container resource metrics for Kubernetes built-in autoscaling pipelines. Metrics Server collects resource metrics from Kubelets and exposes them in…
Top 10 best browsers based password managers in 2020
Google Password Manager https://passwords.google.com/ Firefox Lockwise Firefox Lockwise is a password manager for the Firefox web browser, as well as the mobile operating systems iOS and Android….
Kubernetes Resource requests and limits of Pod and Container
CPU and memory are each a resource type. A resource type has a base unit. CPU represents compute processing and is specified in units of Kubernetes CPUs….
jQuery Selectors: An jQuery for Beginners
What is Selectors? The document we have written in blue text with $ is called selectors. And what is in the right side of the document, we…
jQuery Basic Syntax: An jQuery for Beginners
In this blog you are told about the basic syntax of jQuery Before this, we learned Java Script.In which we first write and inside we used to…
jQuery Implementation with CDN: An jQuery for Beginners
In this blog, you are going to learn how we will implement jQuery with CDN. In the previous blog, we had said that we implement jQuery in…
jQuery Implementation: An jQuery for Beginners
jQuery Get Started 3 steps to Implement Jquery in HTML , PHP Bootstrap : Step 1: Download jQuery.js file Step 2 : Include jQuery.js file in HTML file…
PHP intermediate essential guide- PHP Challenge users visit Count-
In this blog, I am going to explain Php Challenge users Visits Count. First I am going to create a “.php” file. Within this challenge what we…
What is jQuery: An Introduction for Beginners
What is jQuery? The purpose of jQuery is to make it much easier to use JavaScript on your website. Lightweight JavaScript LibraryJQuery is a fast small, and…
PHP intermediate essential guide- PHP Challenge users visits
In this blog, I am going to explain PHP Challenge users Visits. First I am going to create a “.php” file after that create two variable like…
How to post form data from PHP 7 using LinkedIn API?
In Previous blog Click Here We also learned that How to Sign-in or login from PHP 7 using LinkedIn API. So, In this blog, I am going…
PHP 7 Fundamental Tutorial for Beginners – PHP GET and POST
Methods of Sending Information to Server A web browser communicates with the server typically using one of the two HTTP (Hypertext Transfer Protocol) methods — GET and…
What is Azure? Azure Training by DevOpsSchool
What is Microsoft Azure? Microsoft Azure is a cloud computing service it’s developed by Microsoft its use for IT operations, including networking, virtualization, identity, security, deploy, testing…
PHP 7 Fundamental Tutorial for Beginners – PHP Math Operations
Performing Math Operations PHP has many built-in functions that help you do anything from simple addition or subtraction to advanced computation. Example: Each math operation has a…
How to Sign-in or login from PHP 7 using LinkedIn API?
In this blog, I am going to explain How to Login from PHP using LinkedIn API. So, before you go to XAMPP folder’s htdocs and create a…
What is API & How it works in All Programming Language?
In this blog, I am going to Explain What is API and How it works in All Programming Language. So, API means Application Programming Interface (API) through…
PHP intermediate essential guide- PHP using sessions
In this blog, I am going to how to use a session in PHP? So, first Now there’s also another way to store and retrieve the values…
PHP intermediate essential guide- PHP setting cookies
In this blog, I am going to What is Php Cookies & How to use Cookies in PHP. PHP cookies are the same in all languages but…
5 ways to verify site ownership on Google Search Console?
In this tutorial i’m going to describe how many ways to verify sites ownership on Google Search Console. To use this method and verify Google site verification…
Sonarqube Errors and Database
Error 1 Solution 1 https://www.devopsschool.com/blog/elastic-search-error-max-virtual-memory-areas-vm-max_map_count-65530-is-too-low-increase-to-at-least-262144/ https://www.devopsschool.com/blog/elastic-search-error-max-file-descriptors-4096-for-elasticsearch-process-is-too-low-increase-to-at-least-65535/ Error 2 Solution 2: SonarQube Tutorial & OWASP SonarQube Tutorial Securing Code (SAST) Crash Course:- https://bit.ly/3x5ZOmA Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert…
PHP 7 Fundamental Tutorial for Beginners – PHP Functions
What is PHP Functions A function is a block of code written in a program to perform some specific task. We can relate functions in programs to…
How to search multiple words at a time in PHP with MySql Database
In this tutorial we are going to learn how can search multiple words from Mysql table in a single query in php. You have show any web…
How to do Auto Load and Refresh Div every Seconds with jQuery and Ajax with PHP Script.
In this tutorial we are going to learn how to do auto load and refresh div every second by using JQuery and Ajax method with PHP Script….
PHP 7 Intermediate Essential Guide- PHP include_once & require_once
In this blog, I am going to Explain How to include_once & require_once in PHP. So within PHP, It’s actually possible to include PHP people files within…
How to exclude specific host from inventory from a playbook run in Ansible?
Suppose you want to exclude a troublesome host (bad_host) from a particular playbook run. Try using a negated ‘limit’ option: By using –limit argument with ansible-playbook command…
Top 30 Free grammar checker and spell checker tools in 2020
Check your English text for grammar, spelling, and punctuation errors with following free grammar and spell checker. I compiled a list of the best grammar checker and…
Certified Kubernetes Administrator CKA Exam – Dumps Part 2
Duration – 30 minsType – Quiz Multiple Questions and Answer Step 1 – Access https://www.devopsschool.com/lms/login/index.php Login Using “Google”. ie. – gmail email id and password Step 2…