AWS Tutorial: Auto mount EBS Volume to ec2 Linux instance on Reboot

By default on every reboot, the EBS volumes other than root volume will get unmounted. To enable automount, you need to make an entry in the /etc/fstab…

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AWS Tutorial: How to Attach and Mount an EBS volume to EC2 Linux Instance?

Step 1 – Create a Volume Step 2 – Attach a Volume to EC2 Instance Step 3 – Verify if Volume is attached or not Verify if…

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How to Install Oracle Database 19c on centos 7

https://aws.amazon.com/blogs/compute/how-to-enable-x11-forwarding-from-red-hat-enterprise-linux-rhel-amazon-linux-suse-linux-ubuntu-server-to-support-gui-based-installations-from-amazon-ec2/ https://superuser.com/questions/1606321/windows-10-ubuntu-x11-with-xming-xterm-xt-error-cant-open-display-localhost 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…

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DevOps – Linux & VirtualBox & Vagrant Demo Tutorial

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…

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Hashicorp Vault Demo Video Tutorials

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…

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Complete JavaScript with AngularJS and NodeJS Certification Guide & tutorials

What is JavaScript with AngularJS and NodeJS? JavaScript was introduced as LiveScript, but Netscape converted its name to JavaScript. JavaScript is a dynamic computer programming language. It…

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Datadog Demo: Introduction Video

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…

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Dynatrace Certified Professional Exam Info

Dynatrace Professional Certification Dynatrace Certified Professional Dynatrace Certification Training and Course Dynatrace Advance Training Dynatrace Intermediate Training Dynatrace Essential Training Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about…

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Datadog Integration with Postgres For Metric, Trace & Log

Database Monitoring provides deep visibility into your Postgres databases by exposing query metrics, query samples, explain plans, database states, failovers, and events. The Agent collects telemetry directly…

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postgresql Installation and Configuration Tutorial Guide

How To Install and Use PostgreSQL on Ubuntu? Step 1 — Installing PostgreSQL Step 2 — Using PostgreSQL Roles and Databases The installation procedure created a user…

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How to provision RKE Kubernetes cluster from Rancher Web UI

Step 1 Step 2 – Step 3 Step 4 – Step 5 Get a code Step 6 – Add a Node and Install Docker Step 7 –…

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Kubernetes cluster provisioning with Rancher’s RKE command

Step 1 – Install docker Step 2 – Install RKE URL to download – https://github.com/rancher/rke/releases Step 3 – Add normal user to docker group Step 4 –…

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How to Installing Rancher on a Single Node Using Docker

Step 1 – Install Docker Step 2 – Choose an SSL Option and Install Rancher Choose from the following options: Option A: Default Rancher-generated Self-signed Certificate Option…

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Shell script to Enable ssh password authentication in Linux

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…

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Vagrant: vagrantfile example for creating 3 linux vms

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…

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What is Jacoco and How it works? An Overview and Its Use Cases

What is Jacoco? JaCoCo is an open-source toolkit for measuring code coverage in a code base and reporting it via visual reports. It is quite popular among…

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Complete PHP with Laravel Certification Guide & tutorials

What is PHP with Laravel? PHP was visioned eventually in the fall of 1994 by Rasmus Lerdorf. PHP means Hypertext Preprocessor. It’s a extensively- used, open source…

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What is Junit and How it works? An Overview and Its Use Cases

History & Origin of Junit JUnit was born on a flight from Zurich to Atlanta in 1997 for OOPSLA. Kent Erich was flying with Gamma, and what…

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SRE: SLO Checklist

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…

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SRE Performance Checklist

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…

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SRE Design Review Checklist

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…

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SRE Template Example & Checklist

Example Postmortem Example Postmortem from sre.google A standard template used for postmortems at PagerDuty postmortem templates at github postmortems at Atlassian Example Availability Table Availability Table from…

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How to Migrate Sonarqube from H2 to Postgresql?

Step 1 – Run Postgresql using docker command Step 2 – Modify sonar.properties Step 3 – Do this Step 4 – Do this Step 5 – Start…

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Demo: Master in DevOps Engineering Tutorials

Master in DevOps Engineering (MDE) 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…

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Demo: Kubernetes Video Tutorial

Certified Kubernetes Administrator (CKA) Certification Training Course Kubernetes Courses and Training Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus….

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Complete Digital Marketing Certification Guide & tutorials

What is Digital Marketing? This is the most trending, hot and job related topic. After the coronavirus pendamic we have all seen how a situation can top…

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What is Appium and How does it work? An Overview and Its Use Cases

History & Origin of Appium Appium was originally developed in 2011 by Dan Kueller under the name “iOSAuto”, written in the C# programming language. In August 2012…

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7 Tips Every Up-and-Coming Engineer Must Know in 2022

Source Are you a newbie engineer looking to expand your knowledge and experience in the field? We feel you. If that’s the case, keep reading. We’ll go…

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6 Ways to Make Money in College

When you’re in college, you’re probably living on a limited budget. And let’s say, if you’ve enlisted the help of an essay help service Essay Assistant and…

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Complete IOS App Developer Certification Guide & tutorials

What is IOS App Developer? An iOS developer is accountable for developing applications for mobile devices powered by Apple’s iOS operating system. perfectly, a good iOS developer…

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