Registration os now open for the next edition of OpenShift Users meeting at the Accenture Campus Kronberg on 17th October! This time we have something special for you: it will be the first meeting with users from Germany, Austria and Switzerland for up to 200 participants. And we’re happy to host Reza Shafii (former VP […]
Category: OpenShift
At this year’s Red Hat Summit there have been some great sessions on containers and OpenShift. All session materials and source have already been published on GitHub: https://github.com/RedHatOfficial/rhsummitlabs-2018. Here are the best sessions for OpenShift users: A Practical Introduction to Container Security (3rd Ed.) Managing your OpenShift cluster from installation and beyond DevOps with OpenShift and Ansible […]
This quick tip describes how to use your custom built docker images on OpenShift Online (Red Hat’s SaaS based container platform). Create a new project and get login token Login to OpenShift Online at https://manage.openshift.com/ and create a new project (for the sake of this demo I use “my-external-project” as the name for it). Click of the question […]
Install Ansible Service Broker addon into your CDK installation Start your CDK environment with registration (important as yum get’s used during addon installation) export MINISHIFT_ENABLE_EXPERIMENTAL=y minishift start –service-catalog Clone the addon repository and install Ansible Service Broker addon: git clone https://github.com/minishift/minishift-addons.git cd minishift-addons/add-ons/ minishift addon install ansible-service-broker minishift addon apply ansible-service-broker When logging in to […]
I am an active long time user of Eclipse and Red Hat’s distribution called JBoss Developer Studio (https://developers.redhat.com/products/devstudio/overview/). The tool suite has a very nice feature called Eclipse Secure Storage, which allows me to save development related passwords (Github, OpenShift, etc.) in a secure manner on my local system. However, in the last couple of […]
What this is about? A lot of customers would like to give the brave new container world (based on Docker technology) a try with real life workload. The WordPress content management system (yes, it has become more than a simple blog) seems to be an application that many customers know and use (and that I’ve […]
Creating a persistent volume for NFS storage plugin The administrator is responsible for creating volumes (PV). The administrator assigns some external thing (partition, entire device, NFS volume, whatever) to a PV. Login to OpenShift with an admin user Create persistent volume: oc create -f persistent-volume-nfs.yaml Check status of persistent volume: oc get pv Creating a […]
A. Resource limits Resource limits allow you to set boundaries (max/min & default) for the compute resources a developer can define on pod/container level (see https://docs.openshift.com/enterprise/3.1/dev_guide/compute_resources.html). Login to OpenShift with an admin user Change to target project with oc project <my-project> Import limit range (see https://docs.openshift.com/enterprise/3.1/dev_guide/limits.html on what options are available) oc create -f limit-range.json […]
A. Synopsis What this is about This project demonstrates how to use IBM WebSphere Liberty (a lightweight Java EE container comparable with Apache Tomcat) on Red Hat’s leading Platform-as-a-Service (PaaS) solution OpenShift Enterprise V3 (https://enterprise.openshift.com/. Since OpenShift is perfectly suited for running containerized workloads based on the Docker format, we could reuse the officially supported […]
A. Synopsis What this is about We’ve created a IBM WebSphere Application Server Liberty Core cartridge in order to demonstrate the power and flexibility of Red Hat’s Open Hybrid Cloud strategy. Liberty Core provides a lightweight alternative to the classic WebSphere Application Server ND (cartridge available here: https://github.com/juhoffma/openshift-origin-websphere-cartridge) mainly targeting web applications using JEE web […]