Java DevOps

Organizations working on the Java EE stack are trying harder than ever to make Java DevOps a reality. By bringing together development and operations teams, Agile software development is streamlined, test automation becomes easier to achieve and the implementation of continuous integration (CI) and continuous delivery (CD) streams can become a reality when Java DevOps is done right.

November 20, 2018 20 Nov'18
Continuous integration benefits: Why adopting a CI/CD tool like Jenkins makes sense

There's more to tools like Jenkins than simply building code after a Git commit. Here we explain continuous integration benefits clearly while answering the question 'Why Jenkins?'
October 21, 2018 21 Oct'18
Five Oracle Code One sessions you don't want to miss

From Jenkins pipelines written in Groovy, to cloud native applications written using the Eclipse MicroProfile, there is plenty to be excited about at the conference that was once called JavaOne. ...
October 02, 2018 02 Oct'18
False 'DevOps encompasses culture and collaboration' myth destroyed

If evangelists keep asserting that DevOps encompasses culture and collaboration, I'm afraid I'm going to have to keep showing them how they are wrong.
September 01, 2018 01 Sep'18
Fix 'could not reserve enough space for 2097152KB object heap' JFrog Artifactory startup error

Just a quick tip on how to fix the Artifactory 'could not reserve enough space for 2097152KB object heap' startup error message.

Bring yourself up to speed with our introductory content

Git vs. GitHub: What is the difference between GitHub and Git?

What are Git and GitHub? Are they actually the same thing? In this comparison article, we compare Git vs GitHub and examine the differences between the tools, like who maintains them and how easy they integrate with other tools. Continue Reading
4 ways to upload a JAR to a JFrog Artifactory repository

Need to upload a JAR to a Maven repository after an artifact has been built? Here, we show you four ways to upload a file to a JFrog Artifactory repository. Continue Reading
How to deploy Docker Hub-hosted microservices in AWS ECS

In this AWS ECS tutorial, we take a Spring Boot app contained in a Docker Hub-hosted image and deploy the associated microservices in AWS using Elastic Container Service. Continue Reading

Weigh the pros and cons of technologies, products and projects you are considering.

How to Git started and use the Github Desktop app tool

The GitHub Desktop client has been around for a few years now. In this GitHub Desktop app tutorial, we take a look at how well the tool performs the five basic Git commands. Continue Reading
When you compare Java build tools, Maven comes out on top

What is the best Java build tool on the market? Is it Gradle? Do people still use Ant? Here, we explore why Maven is still one of the industry's most popular Java build tools. Continue Reading
10 Git quiz questions to test your distributed version control skills

Test your distributed version control knowledge with this 10 Git questions quiz. It's a quick test that will see how well you know the basics of the popular DVCS tool. Continue Reading

Learn to apply best practices and optimize your operations.

How to use the Jenkins Git Plugin: Tips and tricks

Being able to pull from a source code repository is a given, but here are five features the Jenkins Git Plugin makes available to your build jobs that you didn't even know were there. Continue Reading
Tough sample DevOps interview questions and answers to tackle

Interested in applying for that DevOps engineer position? Then take a look at these tough, sample DevOps interview questions and answers, and see how well you are prepared. Continue Reading
Tough sample Jenkins interview questions and answers for DevOps engineers

Applying for an engineering job where continuous integration is part of the description? Here are 10 tough Jenkins interview questions to prepare you for the DevOps engineering interview. Continue Reading

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

Just git reset and push when you need to undo previous local commits

What happens when you git reset and push to a remote GitHub or GitLab server? Are the reset local commits published, or do previous commits simply vanish? Continue Reading
How to revert a git commit: A simple undo changes example

The best way to undo previous changes to the source code repository is to learn how to revert a git commit. Continue Reading
Fix broken builds with this log4j Maven dependency example

DevOps professionals need to know how Maven dependency management works. This log4j Maven dependency example demonstrates how to use Maven Central and resolve external libraries. Continue Reading