Blog Archives

Recent technical articles.

OpenShift: Executing commands in Pods using K8s API, Istio Tracing & Monitoring: Where are you and how fast are you going? Bringing Coolstore Microservices to the Service Mesh: Part 1 – Exploring Auto-injection, Bringing Coolstore Microservices to the Service Mesh:

Posted in Others

RHEL 7.5 officially released.

On Tuesday, Red Hat announced the official release of RHEL 7.5. To know more about this new version you can read a summary of the RHEL 7.5 changes or the RHEL 7.5 Release Notes.

Posted in RHEL7

Latest technical articles.

OpenShift: How a Service Mesh Can Help With Microservices Security, Security and Vulnerability Scanning of Container Images, Deploying a Spring Boot App with MySQL on OpenShift, Istio Circuit Breaker: When Failure Is An Option, Announcing the OpenShift Container Platform 3.9

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Recent technical articles.

OpenShift: Istio Route Rules: Telling Service Requests Where To Go, APB Development & Testing – Part 1, Announcing: Node.js General Availability in Red Hat OpenShift Application Runtimes, How to enable static egress IP in Red Hat OpenShift Container Platform, Istio

Posted in Others

Latest technical articles.

OpenShift: DNS changes in Red Hat OpenShift Container Platform 3.6, Accessing External Services Using Egress Router, Keycloak and Istio, Vault Integration Using Kubernetes Authentication Method, Container: Buildah Blocks- Buildah builds itself! Reintroduction of Podman, Building a Buildah container image for

Posted in Others

Recent technical articles.

OpenShift: Red Hat Container Development Kit (CDK) With Nested KVM, Building and Operating Cloud-Native Applications, OpenShift 3.X: Features/Functions/Future (34min/2018), How Full is My Cluster? Part 1: Quotas, Requests, Limits, Part 2: Protecting the Nodes, Part 3: Capacity Management, The oc Command

Posted in RHEL7

Latest technical articles.

OpenShift: Running Microsoft SQL Server pod on OpenShift, Understanding Service Brokers on OpenShift, Part 2 (5min/2018), HPE Reference Configuration for Red Hat OpenShift Container Platform on HPE Synergy Composable Infrastructure, The CoreOS bet, SnowCamp 2018 Trip Report, Openshift Origin on Power Systems

Posted in Uncategorized

2018 DevConf.cz interesting videos.

Last week-end was organized the free annual community conference for developers, admins, and users of Open Source technologies called DevConf.cz. The conference happened over three days in Czech Republic at Brno. Many interesting videos were recorded. What was the schedule

Posted in Others

Recent technical articles.

Virtualization: Container Images and Hosts: Selecting the Right Components, Buildah Blocks – OCI Shell Game, OpenShift: What OpenShift Online and Dedicated customers should know about Meltdown and Spectre, Prometheus Alerts on OpenShift, Secure your Kubernetes production cluster, APB Development Tutorial –

Posted in RHEL7

Latest technical articles.

Meltdown / Spectre: Reading privileged memory with a side-channel, Kernel Side-Channel Attacks – CVE-2017-5754 CVE-2017-5753 CVE-2017-5715, KPTI — the new kernel feature to mitigate “meltdown”, What are Meltdown and Spectre? Here’s what you need to know, Controlling the Performance Impact

Posted in RHEL7

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      CentOS: Dojo, Brussels, Belgium.

RHCSA7: Task of the day

Allowed time: 5 minutes.
Create a new user account called "bob" with password "redhat" and set expiration in one week.

RHCE7: Task of the day

Allowed time: 10 minutes.
Set up a caching-only DNS server.

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