How Jenkins works? Jenkins Architecture Explained!!!
Jenkins is continuous integration tools which help to integrate other tools to automate the software development activity and repetitive tasks. Jenkins has 2 releases. One, Community version which open source…
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Secure Tunnels to localhost using ngrok
Secure Tunnels to localhost using ngrok ngrok is a free tool that allows you to expose a web server running on your local machine to the internet. It includes additional…
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run_list and env_run_list explanined in chef role
run-list A run-list defines all of the information necessary for Chef to configure a node into the desired state. A run-list may include roles and/or recipes. A run-list must be…
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How to run chef-client in why-run mode aka “no-operation”
why-run mode is a way to see what the chef-client would have configured, had an actual chef-client run occurred. This approach is similar to the concept of “no-operation” (or “no-op”):…
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List of Default ports used in OpenStack components
List of Default ports used in OpenStack components OpenStack service Default ports Port type Block Storage (cinder) 8776 publicurl and adminurl Compute (nova) endpoints 8774 publicurl and adminurl Compute API…
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Logstash explained in 5 mins
What is Logstash? Logstash is an open source, server-side data processing pipeline that ingests data from a multitude of sources simultaneously, transforms it, and then sends it to your favorite…
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Understanding the chef cookbook’s Berkshelf file
Configuration Management using chef is being implemented with the help of desire files, which is often called a “cookbooks” in chef. Usuallay separate cookbooks is written in practice for each…
Read more »List of AWS regions and availability zones
List of AWS Regions This is complete list of AWS regions available currently. S.No Code Name 1 us-east-1 US East (N. Virginia) 2 us-west-2 US West (Oregon) 3 us-west-1 US West…
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How to run UI testing in Docker container using Selenium
Docker is one of the revolutions technologies which has created lots of buzz in the Software development practices. Docker has not only helped to setup Continuous Integration and Delivery but…
Read more »Docker Errors and Solutions Guide
Error: Failed to get D-Bus connection: Operation not permitted I am having issue running or checking status on any services in Docker in Centos 7. I get: “Failed to get…
Read more »“Run in Preflight” and “Run in Preflight Only” explained in IBM UBuild!
The Preflight plugin provides steps that can be used for developer Preflight builds Explanation The preflight client first starts a simple file server. First, The server is used to transfer…
Read more »Difference between jenkins and Urbancode build
What is the difference between jenkins and Urbancode build? jenkins Urbancode build Jenkins is open framework for automating the repeative tasks and has great plugins which can be used to…
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How to Install plug-ins in IBM UrbanCode Deploy
Procedure Download the installation files for one or more plug-ins from the following site: https://developer.ibm.com/urbancode/plugins/ibm-urbancode-deploy/ Load the plug-ins: For automation plug-ins, click Settings > Automation Plugins, then click Load Plugin. For source plug-ins,…
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How to Install plug-ins in IBM UrbanCode Release
Procedure Download the installation files for one or more plug-ins from the following site: https://developer.ibm.com/urbancode/plugins/ibm-urbancode-build/. Do not extract the compressed files. Load the plug-ins: From the IBM UrbanCode Build user…
Read more »How to Install plug-ins in IBM UrbanCode Build
Procedure Download the installation files for one or more plug-ins from the following site: https://developer.ibm.com/urbancode/plugins/ibm-urbancode-build/. Do not extract the compressed files. Load the plug-ins: From the IBM UrbanCode Build user interface,…
Read more »Upgrading from IBM uBuild 5.0.1.3 or earlier
SSLv3 is no longer supported by IBM uBuild or IBM UrbanCode Build due to the POODLE vulnerability. In fixing the vulnerability, there are a few steps that should be taken…
Read more »Upgrade Artifactory from Open-Source (OSS) to PRO?
The upgrade process from OSS to PRO is the same one that is used for upgrading from any Artifactory version to the latest version; The procedure to upgrade Artifactory depends…
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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…
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Getting Started with Amazon Simple Queue Service (SQS)
We’ve put together a list of resources that we think will be useful to you, as you familiarize yourself with Amazon SQS and get started working with it. Introductory Topics…
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List of Supported Languages for SyntaxHighlighter
Brush name Brush aliases File name ActionScript3 as3, actionscript3 shBrushAS3.js Bash/shell bash, shell shBrushBash.js ColdFusion cf, coldfusion shBrushColdFusion.js C# c-sharp, csharp shBrushCSharp.js C++ cpp, c shBrushCpp.js CSS css shBrushCss.js Delphi…
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docker-compose prepends current directory name to named volumes
Issues – docker-compose prepends current directory name to named volumes What actually happens is that the named volume gets prepended with (a simplified version of) the directory name from which the…
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Kubernetes minikube errors and Solutions
Error 1 – Error starting host: Error getting state for host: machine does not exist [plain] <p style=”font-weight: 400;”>D:\kubernete>minikube-windows-amd64.exe start –kubernetes-version=”v1.8.0″ –vm</p> <p style=”font-weight: 400;”>-driver=”virtualbox” –alsologtostderr</p> <p style=”font-weight: 400;”>W0110 <span data-term=”goog_1571914274″>12:16:04.517163</span> 10504…
Read more »Hook Implementation in Subversion
Lets Disucuss best way to implement Hook with SVN? This is very useful content to know aboutr hook in SVN svnbook.red-bean.com/en/1.1/ch05s02.html pre-commit hook, what is the best way of implementing…
Read more »Advantages of Git over SVN and perforce
What are the advantage of GIT over Subversion and perforce? Code development has its negative and positive sides, but anything that brings more relief and gains time in a project…
Read more »Integration of Jboss and Apache2 and SSL
My Application(.ear) is running in Jboss with any issues on 7001 port. There are following requirement as such with me. Task 1. Integrate Jboss with Apache2 so all the request should…
Read more »Everything – fast file/folder search in Windows
It is hard and time consuming to search a file/folder in Window 7 and 8. “Everything” is a great tool to solve this issue. Here are some of the…
Read more »Continuous Delivery – Vision vs. Reality
Source – http://www.datical.com/continuous-delivery-vision-vs-reality/ SEE FIRST. UNDERSTAND FIRST. ACT FIRST. FINISH DECISIVELY. Those were the words I saw on the presentation screen during my first introduction to the Army’s concept for the…
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…
Read more »Apache Ant
Ant is a Java library and command-line tool. Ant’s mission is to drive processes described in build files as targets and extension points dependent upon each other. The main known…
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