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Jan 18, 2019 | The KubeCon + CloudNativeCon North America 2018 conference recently took place in Seattle, WA from December 10-13, 2018. The conference is a flagship event of the Cloud Native Computing Foundation (CNCF) and was attended by around 8,000 technologist and business leaders from many countries, representing numerous companies and institutes. This was the biggest KubeCon + CloudNativeCon ever. The details of the event can be found here. In addition to being the most-attended event so far, it was a special one for the IBM Cloud Special Interest Group (SIG), because it was our first opportunity to update the attendees of our…
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Jan 18, 2019 | In my previous post, I talked about why I used to have a love/hate relationship with microservices. If you've read the post, you'll remember that Kubernetes helped me solve a number of challenges I was having with microservices. We outlined choice, complexity, scaling, and deployments as challenges that Kubernetes (along with Docker and Helm) helped solve. Now I have a new challenge -- and this time it's with Kubernetes itself. Don't get me wrong, I still love Kubernetes. But it wasn't until I started running load tests and simulating scale that I noticed the gaps. With all the great features…
Jan 18, 2019 | So you're interested in securing a container-based system? Then this blog post is for you. Read about some of my techniques to improve the architecture, design, and practices of your containerized application. VMs versus containers First, I think it's important for you to understand the difference between using a container versus a Virtual Machine (VM). Basically, when you use a Virtual Machine there is a necessity to run an entire Operating System (OS) to get your application operational. VMs will typically have potential security surface areas of attack, like open ports (or starting sshd). This means that you need to…
Jan 17, 2019 | It's exciting to develop with blockchain technology, but you need to consider an important challenge. After a block is created, you can only append it and add data to a chain. You can't remove or modify it. When you are creating APIs that will interact with blockchain, you need to watch out for an error that could start an automatic call over a large number of transactions. A mistake in your API could be very costly. If you do work through a permissioned structure like Hyperledger Fabric, key stakeholders can overwrite transactions if needed. However, that approach takes time so…
Jan 16, 2019 | Oracle's recent changes to Java licensing have meant that many enterprises are re-evaluating their requirements for a stable Java distribution with reliable support at a reasonable cost. Well, enterprises need look no further than AdoptOpenJDK as the best alternative available. AdoptOpenJDK is an open, community-led initiative that provides free, pre-built binaries of the reference implementation of the Java platform from OpenJDK. The AdoptOpenJDK community's goal is to ensure that these regularly updated downloads of Java are available for everyone all the time. The AdoptOpenJDK distribution is the most comprehensive in its coverage of operating systems and architectures. With an AdoptOpenJDK…
Jan 15, 2019 | Have you always wondered about Kubernetes? Have you wanted to get your hands on it and implement it, but never knew just where to start? You're not alone. It's a common sentiment among developers as orchestrated containers can be quite a bit different from traditional methods, especially in the enterprise. We, at IBM Developer, are all too aware that Kubernetes can be overwhelming for a lot of developers out there. So we're hosting a Kubernetes 101 workshop in Miami on January 23rd to hopefully assuage any fears or confusion around the technology. Join us at this exclusive event where we'll…
Jan 10, 2019 | With the January deadline upon us for either migrating off Oracle JDK or paying license fees, you might be wondering what's the right JDK for your business. Seems like there's a lot of possibilities but how to pick? Well, the answer is simple: OpenJDK with Eclipse OpenJ9. OpenJDK with Eclipse OpenJ9 is built from two major open source communities: OpenJDK and the Eclipse Foundation's OpenJ9 project. OpenJDK is the reference implementation of the Java platform and provides the base for most implementations of the Java platform. It's a common place for everyone wanting to develop the class libraries and core…
Jan 09, 2019 | It's that time of year when we look back at what has happened over the last twelve months and think about everything we want to achieve in the new year ahead. Looking back Looking backwards can be difficult because, in our industry, we tend to have short memories: not much of what happened five years ago is talked about now, and events from 10 years ago are like talking about the Stone Age! However, it's hard to exaggerate the level of enthusiasm, passion, and sheer invention that has been generated by Java at IBM through the last 20-odd years. Much…
Jan 08, 2019 | Are you wondering what hybrid cloud means? Maybe you are trying to figure out how hybrid cloud fits in with your company's architecture, or you're just curious about it how it affects cloud computing in general. At a high-level, a hybrid cloud is a mixture of private and a public cloud environments that work in tandem to run your workloads and apps. That definition sounds straight-forward, but when you dive in and start to work, you can find hybrid cloud architectures difficult to manage without the right tools. You can watch a video of a real-world example to clearly understand…
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