What is DevOps? Which is the best institute for DevOps training and Certification Course?
Hi Friends, Here I am going to let you know about DevOps, DevOps Certification Course, DevOps Online and Classroom Training. DevOps is one type of culture which IT companies are…
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AWS Certified DevOps Engineer – Professional Explained
The AWS Certified DevOps Engineer Professional exam validates a candidate’s technical expertise in managing, provisioning and operating distributed applications on AWS. This is a difficult exam and requires you to…
Read more »How to write good DevOps engineer resume/CV and samples?
Even though DevOps is still a growing professional discipline, you are likely to encounters several others who are trying to secure the same positions you’re applying for. A well-composed curriculum…
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Best DevOps corporate trainers in India
From last three to four years in the IT industry one word is continuously making a noise and that word is “DevOps”. I can bet you that you cannot find…
Read more »DevOps Training – Class Recordings/Tutorials – November 2019
AWS Session – Class recording – Tutorials Docker Session – Class recording – Tutorials Jira Session – Class recording – Tutorials Git Session – Class recording – Tutorials SonarQube Session…
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Top 10 high paying IT certifications in the world in 2019
Certification always play a crucial role for professionals not only in IT but in every profession these days. If you are a fresher and just started your first job than…
Read more »What is the average salary DevOps Engineer get in India?
We all know that DevOps is following a set of practices that erases the boundary between Development (Dev) & Operations (Ops) thereby increasing development autonomy. DevOps has become the hottest…
Read more »Why DevOps Certification is important for an IT professional?
DevOps has become movement in the IT availability of qualified DevOps professionals as the major limitation. If you earn a DevOps Certification, you can offer your organisation loads of measurable…
Read more »What are the top and best website to learn DevOps online?
Let’s first understand that what is DevOps then after we will discuss about the best website to learn DevOps online.. DevOps is all about Tools and Automation. It is a collaboration…
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Kubernetes FAQ
Question 1 – Add containers to a Kubernetes pod on runtime or Allow containers to be added to a running pod Answer: Adding or removing containers to a pod is…
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How Can a fresher start their Career as a DevOps engineer?
This is one of the most commonly asked question these days by IT freshers or college graduates that “A fresher can start their Career as DevOps engineer or not?”. So…
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DevOps Interview Questions and Answer – Part 3
What did you learn yesterday/this week? Talk about your preferred development/administration environment. (OS, Editor, Browsers, Tools etc.) Tell me about the last major Linux project you finished. Tell me about…
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DevOps Interview Questions and Answer – Part 2
What DevOps is? Why do we need it? Example of answers: Why do we need it? Increase deployment frequency Lower failure rate of new releases Shortened lead time between fixes…
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How to delete/remove/clean existing corrupted or old kubeadm kubernetes clusters setup?
RHEL / Centos Ubuntu How to remove or cleanup kubernetes worker nodes in Centos 7? How to remove or cleanup kubernetes worker nodes in Ubuntu?
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Setting up Kubernetes Clusters using Kubeadm Manual way in RHEL 7 / Centos7
What is Kubeadm? Kubeadm helps you bootstrap a minimum viable Kubernetes cluster that conforms to best practices. Kubeadm is a tool built to provide kubeadm init and kubeadm join as…
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Kubernetes Errors: weave-net pod CrashLoopBackOff
Errors Solutions https://stackoverflow.com/questions/39872332/how-to-fix-weave-net-crashloopbackoff-for-the-second-node
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Kubernetes Errors: Kubernetes nodes are in ‘”network not ready” & “No networks found”
Errors Solutions https://stackoverflow.com/questions/47107117/how-to-debug-when-kubernetes-nodes-are-in-not-ready-state https://stackoverflow.com/questions/50085323/kubernetes-worker-node-staying-in-notready-state
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Kubernetes Error: kubeadm related errors and solutions
Error 1 Error 1 Error 2 Error 3 Solutions 3 Error 4 Solutions 4
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How to install Ansible in Centos 7/RHEL 7?
How to install Ansible in Centos 7/RHEL 7? Install Ansible via Pip in RHEL/CENTOS
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Kibana 7.2 Install and configuration in RHEL 7/Centos
Install and Setup JDK 8+ Download and Install Kibana 7.X Configure Kibana 7.X How to start kibana service?
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Elastic Search Error – Node is started with node.data=false, but has shard data
[2019-07-11T09:59:18,013][ERROR][o.e.b.Bootstrap ] [es-master01] Exception java.lang.IllegalStateException: Node is started with node.data=false, but has shard data: [/home/ec2-user/elasticsearch-7.2.0/data/nodes/0/indices/6XsNftnbSbOnzPK3wOKc 0w/0]. Use ‘elasticsearch-node repurpose’ tool to clean up at org.elasticsearch.env.NodeEnvironment.ensureNoShardData(NodeEnvironment.java:1065) ~[elasticsearch-7.2.0.jar:7.2.0] at org.elasticsearch.env.NodeEnvironment.(NodeEnvironment.java:324) ~[elasticsearch-7.2.0.jar:7.2.0] Solution
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Elastic Search Error – max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
Errors [2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144] Solution To make it persistent, you can add this line: $ sudo vi /etc/sysctl.conf…
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Elastic Search Error – max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535]
Elastic Search Error – max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535] Solution Temporary to the current login session To set ulimit value…
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How to create sample data to perform searches using elastic search?
Step 1 – Go to: http://www.json-generator.com/ Step 2 – Download and save as customers_full.json Step 3 – Open customers_full.json in sublimetext Remove the array brackets Find-Replace },{ with }\n{ in…
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What is difference between application/x-ndjson and application/json?
Lets understand what is json? JSON stands for JavaScript Object Notation JSON is a lightweight format for storing and transporting data JSON is often used when data is sent from…
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Elastic Search Error – The bulk request must be terminated by a newline
FIX – Add a New line in customers_full.json
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Understading Octopus Deploy Backup and restore process
Your Master Key When an Octopus Server is installed, we generate a special key used for encryption, called the master key. The master key is then encrypted asymmetrically, using DPAPI,…
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What is Gitlab and how its useful in DevOps?
Intially, GitLab was introduced as a web-based Git-repository manager providing hositing solutions for git repo along with Wiki and Issues tracking. Later, GitLab become the single application for the entire…
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Is there any certification for DevOps? | scmGalaxy
Source: Quora.com Q1. Is there any certification for DevOps? Ans. As you inquired about “Certification for DevOps”. So, let me inform you that DevOps is a culture and it cannot be certified…
Read more »Checklist for Validating A DevOps Architecture
Source – http://blog.flux7.com/blogs/devops/checklist-for-validating-a-devops-architecture-part-1 Author – Ali Hussain Checklist: Validate DevOps Architecture Understand business needs An organization moving to the cloud truly understand cloud’s benefits only when setting up good DevOps methodologies…
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