Chef frequently used commands collection
To run single recipe using chef-solo > chef-solo -c /opt/chef/repo/config/solo.rb -o my_cookbook::recipe To run the single reciepe in same machine > chef-apply hello.rb To generate the cookbook…
DOT NET Build and Release Training | Build and Release DOTNET Course
About the Build and Release Dot Net Course This Training is specially designed for the engineer who wants to excel their career in Build and Release…
How to attach the jenkins build log as part of the email body?
Way 1 – Put following lines as part of Default Content text box ${BUILD_LOG, maxLines=9999, escapeHtml=false} this works for free style projects Way 2 – If you…
How to Resolve jenkins java.lang.outofmemoryerror permgen space issues?
Solution 1 In Windows: Go to environment variable and add following variables export JAVA_OPTS=”-XX:MaxPermSize=512m -Xms512m -Xmx1024m” export GRADLE_OPTS=”-XX:MaxPermSize=512m” export SONAR_RUNNER_OPTS=”-Xmx512m -XX:MaxPermSize=512m” In Linux: In my ~/.bash_profile file,…
Jenkins Troubleshooting Guide
Jenkins Troubleshooting Jenkins is one of the important CI tools which many organization used as part of their Build and DevOps infrasture. I am going to consolidate…
Chef Configuration Management Interview Questions and Answers Part – 1
Source – learn.chef.io What is a resource? Answer- A resource represents a piece of infrastructure and its desired state, such as a package that should be installed,…
Chef Configuration Management Interview Questions and Answers Part – 2
Source – learn.chef.io What is a resource? Answer- A resource represents a piece of infrastructure and its desired state, such as a package that should be installed,…
NAnt Training | NAnt Course | Online | Classroom
We provide job oriented training in the area of Configuration management, Build and Release Engineering. Candidates with engineering or software background and looking to either start or…
Bootstrap a Microsoft Windows node using Chef
Bootstrap a Microsoft Windows node, the “knife windows” plugin is required, More info about knife window tool, http://docs.chef.io/plugin_knife_windows.html knife bootstrap windows winrm uvo1eak9a5geec05f7z.vm.cld.sr –winrm-user administrator –winrm-password ‘Rx4m7W4PQu’…
Top Cloud computing and operating software
Top Cloud computing and operating software. OpenStack OpenStack is a free and open-source cloud-computing software platform.[2] Users primarily deploy it as an infrastructure-as-a-service (IaaS). The technology consists…
Best Cloud Computing and Operating Tools
Top Cloud computing and operating software. OpenStack OpenStack is a free and open-source cloud-computing software platform.[2] Users primarily deploy it as an infrastructure-as-a-service (IaaS). The technology consists…
Server configuration monitoring and diagnostics
ScriptRock’s GuardRail As DevOps gets more agile, infrastructure needs unit tests too. Enterprise startup ScriptRock offers cloud-hosted testing configuration tools to get you started. Rajesh KumarI’m a…
DevOps Tools Collections | Top DevOps Tools | DevOps Toolchain
Top 5 Build Management Tools Build management is process of collecting all the problems parts in a software release, performing all the automated tasks to compile, build…
Top 5 Configuration Management Tools
Top 5 Configuration Management Tools Puppet In computing, Puppet is an open-source configuration management utility. It runs on many Unix-like systems as well as on Microsoft Windows,…
Understanding the chef cookbook’s README file
Problems Area – Our infrastructure has many cookbooks that aim to be reusable, primarily through encapsulating behaviour in LWRPs. This led to an explosion of LWRPs and…
Understanding the chef cookbook’s metadata.rb and metadata.json file
What is Metadata in chef? In order to understand cookbooks without evaluating them every files, we generate metadata about cookbooks What is metadata.rb? Before unerstanding about metadata.json,…
Getting root password using Hydra command
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…
gsh – Run linux commands on many other linux server at once
gsh – Run linux commands on many other linux server at once Group Shell (also called gsh) is a remote shell multiplexor. It lets you control many…
DevOps Courses and Training | DevOps Training | Online | Classroom
About the DevOps Course DevOps integrates devlopers and operation teams in order to improve collobration and productivity by automation infrastrcure, automationg workflows and continously application performance. DevOps…
Shell Scripting (Bash) Training | Bash/Shell Scripting Course
Introduction Introduction Why Shell Scripting? Linux Internal What to Expect From This Course? Prerequisites Git fundamental Introduction of git Git setup Basic operations in git Github Summary…
MSBuild Training | MSBuild Course | Online | Classroom | India
MSBuild 4.0 Basics This module introduces MSBuild, including what it does, how it works, and how to use it.  What is MSBuild  Sample project files  Solutions…
QA Roles and Levels in Continuous Delivery Model | Software Testing
0 – Manual compilation, no unit tests, manual testing by QA Before we all recoil in horror it’s worth recalling the pure horror of how things used…
The basic steps to adopt the continuous inspection pattern
The following outlines the basic steps to adopt the continuous inspection pattern: 1. Tool selection. Evaluate and select one or more tools that can perform static analysis…
Source code analysis tools: Evaluation criteria
Source code analysis tools: Evaluation criteria Support for the programming languages you use. Some companies support mobile devices, while others concentrate on enterprise languages like Java, .Net, C,…
Subversion User & Administration Training Course
Our Subversion training courses are designed to provide the necessary hands-on experience to enable attendees to become productive immediately. We offer public classes at our training…
Difference between Code Coverage and Test Coverage | Code Coverage VS Test Coverage
There is not any official distinguished between code Coverage and Test Coverage. Some practitioner has expressed their difference opinion in terms of defining Code Coverage and Test…
How to Differentiate Dynamic code analysis and Static code analysis?
Difference between dynamic code analysis and static code analysis Static analysis is the testing and evaluation of an application by examining the code without executing the application…
Dynamic code analysis VS Static code analysis
Difference between dynamic code analysis and static code analysis Static analysis is the testing and evaluation of an application by examining the code without executing the application…
Difference between dynamic code analysis and static code analysis
Difference between dynamic code analysis and static code analysis Static analysis is the testing and evaluation of an application by examining the code without executing the application…
Static vs dynamic code analysis: Advantages and Disadvantages
What are the advantages and limitations of static and dynamic software code analysis? Maj. Michael Kleffman of the Air Force’s Application Software Assurance Center of Excellence spelled…