Kubernetes:
- Kubernetes 1.24 Stargazer: An exceptional release with two major changes,
- Kubernetes Adopts Sigstore for Supply Chain Security,
- Using mcrouter to make memcached highly available in Kubernetes,
- Metrics and traces collection using Amazon EKS add-ons for AWS Distro for OpenTelemetry,
- Capture packets in Kubernetes with this open source tool,
- Kubernetes signals massive adoption of Sigstore for protecting open source ecosystem,
- Pod Security Policies are dead, long live Pod Security Admission!
- Kubernetes pod vs container: Multi-container pods and container communication,
- Getting Started with GitOps on Kubernetes with Devtron,
- VMware State of Kubernetes survey,
- Kubernetes the Hard Way on AWS,
- Monitoring Kubernetes cluster logs and metrics using Grafana, Prometheus and Loki,
- Deploying Multus CNI into Amazon’s Elastic Kubernetes Service (EKS),
- Debugging Python-Based Microservices Running on a Remote Kubernetes Cluster,
- Empower Your Pods With Your Cloud-Native Metadata,
- Comprehensive Guide to Setup HashiCorp Vault in Kubernetes,
- Kubernetes Scaling, Capacity and Resource Planning in Complex Clusters,
- K8S Secrets Manager Operator,
- 6 Metrics to Watch for on Your K8s Cluster,
- Complete guide to getting started with Tekton,
- How to Spot Gaps in Your Public Cloud Kubernetes Security Posture,
OpenShift:
- Planning for and Reviewing Recent Kubernetes API Deprecations,
- Configure Disconnected OpenShift Using Mirror Registry,
- The Red Hat Cloud way: Event-driven, serverless, distributed cloud services to support modern apps,
- Isolated CI/CD Pipelines With OpenShift Sandboxed Containers,
- Use Red Hat’s SSO to manage Kafka broker authorization,
- OpenShift Operator Hardening – a Case Study,
- Migrating from OpenShift 3 to 4 – Some Customer Stories,
- How to install an open source tool for creating machine learning pipelines,
- Mirroring Operators into Red Hat Quay,
- Build a customized developer portal to manage APIs,
- Ask an OpenShift Admin (E65) | Day 2 recommendations for every cluster (101min),
- Quantum Computing – How to start and how to say “Hello World!”,
- What’s new in OpenShift Local 2.0,
- SSO for all: Cryostat’s new OpenShift login flow,
- Certificate Management for On-premises Cloud-Native Apps,
- The most elegant way to performance test your microservices running on Kubernetes,
- 3 ways to monitor time on OpenShift nodes,
- High Availability and Observability Using Red Hat Advanced Cluster Management for Kubernetes,
- OpenShift Assisted Installer is now Generally Available,
- Zero Touch Provisioning for Factory Workflows,
- Enabling vGPU in a Single Node using OpenShift Virtualization,
- OpenShift 4.10 Image Mirroring for Airgap Environment,
- Creating CNF Build Pipelines on OpenShift for Intel vCMTS,
- OpenShift Virtualization on vSphere,
- Introducing Red Hat OpenShift extension for Docker Desktop,
- Developer tools rebrand, say farewell to CodeReady name,
- 5 things SREs and Sysadmins should know about ROSA and cloud services,
Containers:
- A better way to build containers images,
- Podman basics: Resources for beginners and experts,
- How To Verify Cosigned Container Images In Amazon ECS,
- Unlimited Container Image Scanning in Docker Desktop with Trivy,
- Grype: A vulnerability scanner for container images and filesystems,
- Build a custom CentOS Stream 9 cloud image,
- Program & Containerize Your Kafka Producer/Consumer In Minutes,
- Running Data Pipelines Locally Using Containerized Ceph S3, Kafka & NiFI,
- FetchIt: GitOps management of podman managed containers,
- Podman v4.1 has been released!
- Getting Started with Podman Desktop on Windows,
Service Mesh:
RHEL:
- Integrate Red Hat Insights into your existing operational workflow,
- Automating Applications and Servers at the Edge with Red Hat Ansible Automation Platform,
- 5 reference architecture designs for edge computing,
- Red Hat Satellite 6.10.5 has been released,
- What’s new on the Red Hat Customer Portal,
- Security recommendations for SAP HANA on RHEL,
- AlmaLinux 8.6 “Sky Tiger” Beta – Now Available,
- Your Guide to the Red Hat Data Science Model Lifecycle,
- 10 Big Announcements From Red Hat Summit 2022,
- AlmaLinux ISO secured to ANSSI-BP-028 standards,
- Red Hat Advances Cloud Services Portfolio, Creating Consistent and Scalable Experiences For Modern Application Development,
- Introducing a brand new way to automate your Azure cloud,
- Announcing full support for new Red Hat Enterprise Linux image builder service,
- Red Hat Defines a New Epicenter for Innovation with Red Hat Enterprise Linux 9,
- Red Hat Embraces DevSecOps,
- Red Hat Enterprise Linux 8.6 Launches with New Features and Enhancements,
- Top new features in Red Hat Enterprise Linux 8.6,
- RHEL 8.6: What’s new and how to upgrade,
Miscellaneous:
- Fedora Linux 36 Now Generally Available,
- No-code and low-code integrations with Camel and Kaoto,
- Fine-tune Kafka performance with the Kafka optimization theorem,
- How to configure key-based authentication for SSH,
- Schedule tests the GitOps way with Testing Farm as GitHub Action,
- How to set up OAuth2 in the Mutt email client,
- End-to-End Monitoring with Grafana Cloud with Minimal Effort,
- How to access remote systems using SSH,
- Zinc: A lightweight alternative to elasticsearch,
- Kafka Monthly Digest: April 2022,
- Using Unsafe safely in GraalVM Native Image,
- What sysadmins need to know about systemd’s oneshot service type,
- 6 design tips for Java microservices development,
- The Inside Playbook: Continuous Detection and Mitigation (CDM),
- Fedora 36 Is A Terrific Release Especially For Linux Enthusiasts, Power Users,
- NVIDIA Transitioning To Official, Open-Source Linux GPU Kernel Driver,
- Why is the open source driver release from NVidia so important for Linux?
- Announcing Fedora Linux 36,
- What’s new in Fedora Workstation 36,
- Google Cloud unveils world’s largest publicly available ML hub with Cloud TPU v4, 90% carbon-free energy,
- How to manipulate files with shell redirection and pipelines in Linux,
- Manage Python application dependencies in the cloud with this open source tool,
- How to build automated JFR rules with Cryostat 2.1’s new UI,
- How to organize JFR data with recording labels in Cryostat 2.1,
- How to manage tuning profiles in Linux,
- An Ansible playbook for solving a new problem from scratch.
Kubernetes:
- Encrypted gitops secrets with flux and age,
- Basic authentication with Traefik on kubernetes,
- Applied GitOps with Kustomize,
- Aqua 2022 Cloud Native Threat Report: Key Trends in Cyber Attacks,
- Sysdig 2022 Cloud-Native Security and Usage Report,
- Kubernetes 1.24 – What’s new?
- 20 Kubernetes Blogs, Journals, and Podcasts to Follow in 2022,
- kube-opex-analytics: Tool for Cost Allocation and Capacity Planning,
- Gefyra: Blazingly-fast, rock-solid, local application development with Kubernetes,
- Under the hood of Kubebuilder framework,
- Restricting cluster-admin Permissions,
- Encrypt Helm sensitive data,
- How to Improve the Security of Your Applications with Kubernetes Security Scanners,
- How to run curl in Kubernetes (for troubleshooting),
- Use Cluster API to provision Kubernetes clusters in anywhere!
- NSA, CISA updated the Kubernetes Hardening Guidance,
- ACK: AWS Controllers for Kubernetes,
- Five Things to Prepare for Cgroup v2 with Kubernetes,
- How to Handle Terabytes of Metrics in Kubernetes Monitoring,
OpenShift:
- How to run Wiki.js in Openshift 4,
- High Availability with Galera Cluster in OpenShift Virtualization,
- How to Copy OpenShift Elasticsearch Data to an External Cluster,
- A Guide to Red Hat Hypershift on Bare Metal,
- Delete rebellious Namespaces that are stuck in “Terminating” mode (Openshift/Kubernetes),
- Securing a Prometheus Pushgateway deployment on OpenShift,
- Create and manage local persistent volumes with CodeReady Containers,
- Bind a Kafka cluster to a Node.js application the easy way,
- Add security to a Quarkus application using Red Hat’s SSO,
- A Guide to Providing Insight with Network Observability,
- How to Set up OpenShift with LINSTOR for Persistent Storage,
- How to Backup and Restore Stateful Applications on OpenShift using OADP and ODF,
- Secure your Private OpenShift clusters with Azure Firewall and Hub-Spoke architectures,
- IBM Redbooks: Building an OpenShift Environment on IBM Z,
- A Guide to Tekton and Resource Quotas,
- A Validated Pattern for Multi-Cloud GitOps,
- Your Guide to Finding OpenShift at KubeCon EU,
- How we designed a 5G Core platform that scales well,
- Orchestrate offloaded network functions on DPUs with Red Hat OpenShift,
- Process Formula 1 telemetry with Quarkus and OpenShift Streams for Apache Kafka,
- 5 tips for architects on managing cloud service provider spending,
- Running and Testing Keycloak on OpenShift,
- Openshift-Logging 5.4 is now available,
- How to Forward OpenShift Logs to an External Instance of Loki,
- Solution!! Avoid Kubernetes/Openshift Node Drain Failure due to active PodDisruptionBudget,
Containers:
Service Mesh:
RHEL:
- AlmaLinux 9.0 Beta Is Here, Ready to Replace to RHEL 9,
- AlmaLinux 9 Beta–Now Available,
- 3 reference architecture designs for the telecom industry,
- How to access the Linux terminal,
- ArgoCD and GitOps: What’s next?
- From the mainframe to the edge: Red Hat Enterprise Linux for IBM z16 – the next generation of IBM zSystems,
- Updates to using Ansible in RHEL 8.6 and 9.0,
- Building better RHEL notifications with Red Hat Insights,
- Systemd Hardening,
- Optimizing a systemd service for security,
- Event-driven remediation with systemd and Red Hat Ansible Automation Platform,
- Implement DevOps, agile, and SRE practices with new transformational learning curriculum,
- Create a PrivateLink Red Hat OpenShift cluster on AWS with STS,
- 2 reference architecture designs for the healthcare industry,
- Red Hat Satellite 6.9.9 has been released,
- Use Red Hat’s single sign-on technology to secure services through Kerberos,
Miscellaneous:
- oVirt 4.5.0 is now generally available,
- KubeVirt becomes a CNCF incubating project,
- SQL vs. NoSQL Database: When to Use, How to Choose,
- How to fix a “Command not found” error in Linux,
- How to use inputs in your shell scripts,
- Welcome Node.js 18,
- Deploy Keycloak single sign-on with Ansible,
- New reference architecture: Red Hat Ansible Automation Platform 1.2 to 2 Migration Guide,
- How to redirect shell command output,
- Sharding for Security and Scalability,
- QEMU 7.0 Released With Intel AMX Support, Many RISC-V Additions,
- Monitor your network switches with this open source tool,
- New C++ features in GCC 12,
- DIY Certificate Authority with SmallStep,
- How to find out what a Linux command does,
- AWS Security Services for Network Security Engineers (Part 1),
- Apache Kafka visualisation tool,
- RDO Yoga Released,
- How to use SCP and SFTP to securely transfer files,
- Updating Edge Devices with OSTree and Pulp,
- From ifcfg to keyfiles: modernizing NetworkManager configuration in Fedora Linux 36,
- Free book: Software Engineering at Google.
Kubernetes:
- Difference between Ingress, Ingress controller, and API gateway in Kubernetes,
- Deploying Multus CNI into Amazon’s Elastic Kubernetes Service (EKS),
- Configure SSL certificate with cert-manager on Kubernetes,
- Deploy a Highly Available Kubernetes Cluster using Rancher RKE,
- Awesome Kubernetes security resources,
- GitOps Tutorial: How to Provision an EC2 Instance with Crossplane and Flux,
- GitOpsify Cloud Infrastructure with Crossplane and Flux,
- NGINX Tutorial: Improve Uptime and Resilience with a Canary Deployment,
- Run an Enterprise level Elasticsearch Stack on a Kubernetes cluster,
- How to build your own Database on Kubernetes,
- Building Databases on Kubernetes with Quarkus,
- Accessing Kubernetes from Go Applications,
- Automatically Archiving Data with Kubernetes Operators,
- Why you should build Kubernetes Operators,
- Debugging Kubernetes NetworkPolicy (Part 1),
- Debugging Kubernetes NetworkPolicy (Part 2),
- Debugging Kubernetes NetworkPolicy (Part 3),
- My adventure with Helm as GitOps in a distributed architecture,
- Mizu: API traffic viewer for Kubernetes,
- SRE Book Updates, by Topic,
- Securing your site via OIDC, powered by Kong and KeyCloak,
- Exporting Metrics from Kubernetes Apps for Prometheus,
- Integrating AWS Secret Manager with EKS and use Secrets inside the Pods: Part-1,
- Consume Secrets using Kubernetes Admission controllers: Part-2,
- RBAC Explained with Examples,
- ArgoCD-Vault-plugin: an Argo CD plugin to retrieve secrets from Vault,
- Scaling Applications automatically with Operators,
- Kubernetes and Docker: What’s the difference?
- Supply Chain Security with Cosign and Kyverno for On-premise Kubernetes,
OpenShift:
- MicroShift presentation,
- Using Integrated Load Balancing With On-Premises OpenShift 4 IPI,
- Deploying a high-availability, fault-tolerant Kubernetes Service on baremetal clusters with MetalLB BGP,
- How to Use MetalLB in BGP Mode,
- Dynamic Admission Controllers in OpenShift 4,
- Scaling Openshift UPI Clusters Using Central Infrastructure Management,
- HAproxy with X-forward-for pass to OpenShift 4,
- Dealing With Air-Gapped Environments Just Got Much Easier,
- How oc-mirror will help you reduce container management complexity,
- Red Hat Advanced Cluster Security with OpenShift Pipelines and Slack Integration,
- Automate CI/CD on pull requests with Argo CD ApplicationSets,
- Configure CodeReady Containers for AI/ML development,
- 3 ways to install a database with Helm charts,
- Secure your Edge Solutions with Red Hat and ZettaSet,
- The most elegant way to performance test your microservices running on Kubernetes,
- New in Grafana Loki 2.5: Faster queries, more log sources, so long S3 rate limits, and more!
- OpenTelemetry in Kubernetes: Deploying your Collector and Metrics Backend,
- Red Hat OpenShift and IBM Cloud,
- How to use Kubeflow and the MPI Operator on OpenShift,
- A Guide to High Availability/Disaster Recovery for Applications on OpenShift,
- What’s Next: OpenShift Roadmap Update [Apr-2022] (61min) / slides,
- A Guide to Implementing Failure Domains with OpenShift Workloads on VMware,
- A Guide to Secrets Management with GitOps and Kubernetes,
- Manage namespaces in multitenant clusters with Argo CD, Kustomize, and Helm,
- Deploy a Java application on Red Hat OpenShift using JKube,
- Generate Helm charts for your Java application using JKube, Part 1,
- Building Quarkus applications with Apache Cassandra: Workshop recap,
- How to Integrate OpenShift Namespace Monitoring and Slack,
- How to Bring your own Scheduler into OpenShift with the Secondary Scheduler Operator,
- Using OpenTelemetry and Jaeger with Your Own Services/Application,
OpenShift 4.10:
Containers:
Service Mesh:
RHEL:
- Rocky Linux arrives on Google Cloud,
- Automounting LDAP User Home Directories from QNAP NFS,
- Red Hat Adds Common Criteria Certification for Red Hat Enterprise Linux 8,
- PostgreSQL load tuning on Red Hat Enterprise Linux,
- Automating Red Hat Identity Management installation,
- GitLab Switched from Centos 8 to AlmaLinux as a Supported Platform,
- How to access the Linux terminal,
- How to deploy, run and monitor Microsoft SQL server on RHEL,
- Portfolio Architectures: What enterprise architects need to know,
- OpenSSH SCP deprecation in RHEL 9: What you need to know,
- Observability in 2022: Why it matters and how OpenTelemetry can help,
- Red Hat Insights for Ansible Automation Platform New Report : Modules,
- GitLab Moves to AlmaLinux as Supported Platform,
- CentOS Hyperscale SIG Quarterly Report for 2022Q1,
- CentOS Community Newsletter, April 2022,
- Announcement: Red Hat CodeReady Studio reaches end of life,
Certifications:
Miscellaneous:
- StreamNative releases report with insights into data streaming ecosystem,
- DevOps with GitLab CI Course,
- Code and Deploy a Serverless API Using Go and AWS,
- Learn Go Programming by Building 11 Projects,
- DevOps Engineering Course for Beginners,
- A Deep Dive Into Go’s Concurrency,
- Python f-strings Are More Powerful Than You Might Think,
- Linux troubleshooting commands: 4 tools for DNS name resolution problems,
- A developer’s guide to using Kafka with Java, Part 1,
- How to create dynamic inventory files in Ansible,
- An introduction to Linux bridging commands and features,
- How to write a Python script to create dynamic Ansible inventories,
- How to write an Ansible plugin to create inventory files,
- Kafka Monthly Digest: March 2022,
- Update Supermicro BIOS firmware from Linux,
- How to configure GTID-based replication on MySQL servers,
- Introduction to the Node.js reference architecture, Part 8: TypeScript,
- How to rebase to Fedora Silverblue 36 Beta,
- Using Sourcegraph to Search 34,000+ Fedora Repositories,
- Google Best Practices for Java Libraries,
- The state of static analysis in the GCC 12 compiler,
- How to customize your Ansible logs,
- 1,000,000 Concurrent Connections,
- Writing new system software,
- Hyperscale virtio/vDPA introduction: One control plane to rule them all,
- Anaconda is getting a new suit and a wizard,
- Why is Kopper and Zink important? AKA the future of OpenGL,
- Samba as AD and Domain Controller,
- 3-2-1 Backup plan with Fedora ARM server,
- Traceroute vs. tracepath: What’s the difference?
- What sysadmins need to know about using Bash,
- Deep dive on Ansible VScode extension,
- How to use the Python debugger (pdb),
- How to Trust an SSL Certificate in Java,
- Measuring container size and startup latency for serverless apps written in C#, Node.js, Go, and Java.
Kubernetes:
- Deploying Nvidia GPU enabled Tanzu Kubernetes Clusters,
- Encrypt Helm sensitive data,
- How-to release Helm Charts maintaining your mental health,
- Initialization and Validation Webhooks in Operators,
- How to Migrate Your Cassandra Database to Kubernetes with Zero Downtime,
- Distributed Locust Testing on Google Kubernetes Engine (GKE),
- Converting Custom Resource Versions in Operators,
- The Kubernetes Operator Metamodel,
- Kubernetes operator best practices: Implementing observedGeneration,
- Kubernetes operators best practices: understanding conflict errors,
- System Upgrade Controller: How to upgrade your Kubernetes nodes,
- Kubernetes Container Lifecycle Events and Hooks,
- Kubernetes Simulator: Kubernetes Security Training Platform focussing on security mitigation,
- On Demand CI/CD with Serverless Tekton,
- Running Kafka on kubernetes for local development,
- Chaos Engineering with LitmusChaos on Amazon EKS,
- Deploying Applications in Multi-Clusters Using ArgoCD,
- Why it makes sense to write Kubernetes webhooks in Golang,
- How to use Dex with Google accounts to manage access in Kubernetes,
- Managing Network Policies for namespaces isolation on a multi-tenant Kubernetes cluster,
- Using Pipy as a Kubernetes policy engine,
- Limiting access to Kubernetes resources with RBAC,
- Kustomize and GitOps: The Good, the Bad and the Ugly,
- Integrating AWS Secret Manager with EKS and use Secrets inside the Pods: Part-1,
- YOYO attack on a K8S cluster,
- Using mcrouter to make memcached highly available in Kubernetes,
- Unveil the Secret Ingredients of Continuous Delivery at Enterprise Scale with Argo CD,
- K8s Operators— CIS Kubernetes Benchmarks,
- Best Practices for Running Stateful Applications on Kubernetes,
- Kubeflow Cloud Deployment (AWS),
- Canary Release on Kubernetes with Knative and Tekton,
- How To Unit Test Your Helm Charts,
- Migrate from PodSecurityPolicy to the Built-In PodSecurity Admission Controller,
- Reference Other Values in Helm Chart Values File,
- Deploying Argo CD and Sealed Secrets with Helm,
- Towards a Modular DevOps Stack,
- Securing Grafana with Keycloak SSO,
OpenShift:
- OpenShift Machine API operator,
- Aggregate OpenShift logs into enterprise logging system,
- Monitoring of multiple OpenShift clusters with VictoriaMetrics,
- Integrating code inspection in your OpenShift Pipelines using SonarQube,
- Platform Performance Monitoring in OpenShift 4,
- Deploy MongoDB on OpenShift using Helm,
- Configure an Identity Provider in OpenShift,
- Local Openshift Cluster using Redhat CodeReady Containers on MacOS,
- Bare-metal OpenShift with MetalLB LoadBalancer,
- Dynamic Environment Variables for React App Running on OpenShift (Kubernetes),
- Web Terminal : One more reason to ❤️ OpenShift,
- Increase timeout of OpenShift Web Terminal,
- Minimalistic guide to Launch Azure Red Hat OpenShift Cluster,
- MQ Tracing with Instana,
- Build your first Java serverless function using a Quarkus quick start,
- Simplify secure connections to PostgreSQL databases with Node.js,
- OpenShift 4.10 on VMware – Introducing the out-of-the-box vSphere CSI Driver installation,
- Addressing the Experience with RHEL Entitlements with OpenShift,
- Introducing OpenShift on Arm,
- Deep dive in Private OpenShift 4 clusters deployments in Azure,
- 5 security considerations for edge implementations,
- Develop a basic rate limiter with Quarkus and Redis,
- Open Source StackRox Is Now Available,
- What’s new in Red Hat Advanced Cluster Security Q1 2022,
- Generate and save an HTML report in Jenkins on OpenShift 4,
- Bind workloads to services easily with the Service Binding Operator and Red Hat OpenShift,
- How to get started with Red Hat Advanced Cluster Security for Kubernetes,
- Fauxpenshift: MicroShift + OpenShift Router,
- GUI-Based Openshift Deployments Using Advanced Cluster Management,
- Catching up quickly with EUS-to-EUS Updates,
- CodeReady Workspaces scales up, is now Red Hat OpenShift Dev Spaces,
- Shift-Left Continuous Integration with DevSecOps Pipelines,
- Change, Evidence and Issue Management with DevSecOps,
- Continuous Delivery with DevSecOps Reference Architecture,
- Tekton without Tekton in DevSecOps Pipelines,
- Cloud Native CICD Pipelines in OpenShift,
- Monorepo, GitOps, CICD and beyond,
- Introducing Conditional OpenShift Updates,
- Writing Kubernetes Operators in Java with JOSDK, Part 3: Implementing a controller,
OpenShift 4.10:
Containers:
Service mesh:
RHEL:
Certifications:
Miscellaneous:
- MongoDB Change Streams Implementation in Golang,
- Golang automatic code formatting : Code like a Pro,
- Wholeaked: a file-sharing tool that allows you to find the responsible person in case of a leakage,
- Inside the newest features in the Red Hat Ansible Certified Content Collection for ServiceNow ITSM,
- How to get started with MySQL and MariaDB,
- C++ standardization (core language) progress in 2021,
- How to implement security for microservices,
- Fedora 36 Beta is now available,
- How to get started with scripting in Python,
- Configuring an AWS dynamic inventory with Ansible Automation controller,
- Must Read Free Kubernetes Books,
- How to deploy an Apache web server quickly,
- Introduction to jCloud Benchmarks,
- TLS Certificate and its SAN name,
- Fedora 37 Looks To Deprecate Legacy BIOS Support.
Kubernetes:
- Kube-Scout: An Alerting tool for Kubernetes Clusters,
- 6 Important things you need to run Kubernetes in production,
- Mizu: API traffic viewer for Kubernetes,
- Securing a Kubernetes pod with Regula and Open Policy Agent,
- Osaka University Cuts Power Consumption by 13% with Kubernetes and AI,
- Kyverno policies,
- How to Monitor Endpoints in Kubernetes using Blackbox Exporter,
- What is Knative Serving? A Friendly Guide,
- Volsync: Asynchronous data replication for Kubernetes volumes,
- Securing your site via OIDC, powered by Kong and KeyCloak,
- Creating an EKS Cluster and Node Group with Terraform,
- Principles for Designing and Deploying Scalable Applications on Kubernetes,
- NSA Kubernetes Hardening Guide updated,
- Auto Docs, Test And Release A Helm Chart With GitHub Actions,
- Importing Go Modules in Kubernetes Operators,
- Using object-oriented Concepts in Golang,
- Manually deploying Operators to Kubernetes,
- Deploying Operators with the Operator Lifecycle Manager,
- Configuring Webhooks for Kubernetes Operators,
- Kubernetes Vault Integration via Sidecar Agent Injector vs. CSI Provider,
- Kubernetes GitOps Tools,
- Democratic-CSI: csi storage for container orchestration systems,
- A Cloud-Like On-Prem Load Balancer for Kubernetes?
- Kubernetes Security through GitOps Best Practices: ArgoCD and Starboard,
- Kubernetes kOps: Step-By-Step Example & Alternatives,
- kubectl-do-everything-i-want,
- Using RBAC in Kubernetes for authorization-Complete Demo-Part 1,
- User Account life cycle in kubernetes-RBAC part 2 -Demo,
- What’s New in the Ansible Content Collection for Kubernetes 2.3,
- Estimating cloud application resource requirements: 5 considerations for architects,
- 8 steps for estimating a cloud application’s resource requirements,
- Continuous Profiling in Kubernetes Using Pyroscope,
- Applied GitOps with Kustomize,
- Structured logging in Kubernetes,
- Cracking Kubernetes Network Policy,
- Collecting system information from a bunch of Kubernetes clusters,
- Developer’s Guide to Writing a Good Helm Chart,
- Under the hood of Kubebuilder framework,
- Keeping Kubernetes Clusters Clean and Tidy,
OpenShift:
- OpenShift Pipelines (Tekton) – Tutorial,
- Managing Network Security Lifecycles in Multi Cluster OpenShift Environments with OpenShift Platform Plus,
- Integrating OpenShift Pipelines (CI) with GitOps (CD),
- Updating Resources from Kubernetes Operators,
- Storing State of Kubernetes Resources with Conditions,
- Running Kafka Exporter in OpenShift,
- Managing applications via a Gitops Control Plane,
- OpenShift at the edge: 5 ways to manage workload disruptions,
- Shift-on-Stack with Vhostuser Ports,
- Red Hat Enterprise Linux CoreOS Integration with LDAP and SSSD,
- Attention Developers: You can now easily integrate AWS services with your applications on OpenShift,
- Deploying Red Hat Advanced Cluster Security with Red Hat Advanced Cluster Management,
- OpenShift cluster health check python script,
- Security aspects with OpenShift – an overview,
- Red Hat Container Community of Practice Operators,
- Write Kubernetes in Java with the Java Operator SDK, Part 2,
- Move to Cloud at ease with Red Hat OpenShift on AWS (ROSA) (61min),
- What’s new in OpenShift Sandboxed Containers 1.2?
- Quarkus Superheroes: Managed services save the day,
- Learn how to build, train, and run a PyTorch model,
- Apache Kafka: 10 essential terms and concepts explained,
- Kubernetes Best Practices,
- Defining Dependencies in Kubernetes Operators,
- Ask an OpenShift Admin | MicroShift (84min),
- Experimenting with ExternalDNS,
OpenShift 4.10:
Containers:
- How to run pods as systemd services with Podman,
- Podman Tutorial For Beginners: Step by Step Guides,
- Podman v4.0.2 is available in Homebrew,
- Podman 4 is not in Fedora 35,
- Podman 4.0’s new network stack: What you need to know,
- Podman Containers — Beginner’s Guide,
- cr8escape: New Vulnerability in CRI-O Container Engine Discovered by CrowdStrike (CVE-2022-0811),
- Hello Podman using .NET,
- Netavark and Aardvark-dns v1.0.2 release,
- How to specify the CPU architecture when pulling images with Podman,
- Migrating to containerd and CRI-O after Dockershim Deprecation in Kubernetes 1.24,
Service Mesh:
RHEL:
Certifications:
Miscellaneous:
- Ansible Middleware : Automation of JBoss Web Server (JWS),
- Backup Performance Comparison: mysqldump vs MySQL Shell Utilities vs mydumper vs mysqlpump vs XtraBackup,
- Memcached vs Redis – More Different Than You Would Expect,
- Building containers by hand using namespaces: Use a net namespace for VPNs,
- Two Simple Ways Ansible Automation Can Save You Money on Your AWS Bill,
- Choose the best camel for your integration ride, Part 2,
- Choose the best camel for your integration ride, Part 3,
- Configure Apache HAProxy to balance web server traffic,
- Go 1.18 Released With Generics, Fully Integrated Fuzzing, ~20% Performance Improvements,
- 14 software architecture design patterns to know,
- Range check elimination in loops in OpenJDK’s HotSpot JVM,
- Ultimate CI Pipeline for All of Your Python Projects,
- How site reliability engineers (SREs) can influence enterprise architecture,
- Node.js community update,
- Seven Ways to Fail at Microservices,
- Sabotage: Code added to popular NPM package wiped files in Russia and Belarus,
- Nvidia Unveils Big Accelerator Memory: Solid-State Storage for GPUs,
- Troubleshooting Rook CephFS Mounting,
- How relabeling in Prometheus works,
- Deploy Infinispan automatically with Ansible,
- 4 SSH tricks that every sysadmin should know,
- Overview of UI Tools for Monitoring and Management of Apache Kafka Clusters,
- Use Valgrind Memcheck with a custom memory manager,
- Check your disk space use with the Linux df command,
- Cascading failures in large-scale distributed systems,
- Build a URL shortener with Cloudflare Workers,
- Migrations Done Well: Typical Migration Approaches.
Kubernetes:
- Lens 5.4 Released,
- Kubernetes-in-Kubernetes and the WEDOS PXE bootable server farm,
- Unveil the Secret Ingredients of Continuous Delivery at Enterprise Scale with Argo CD,
- A curated list for awesome kubernetes sources,
- How to create ArgoCD Applications Automatically using ApplicationSet? “Automation of GitOps”,
- Accessing Kubernetes Resources from Java Operators,
- Leveraging third party Operators in Kubernetes Operators,
- How to Use the Ansible Kubernetes Module,
- Deploying Argo CD and Sealed Secrets with Helm,
- A New Pattern that Simplifies Operator Building,
- Awesome projects involving running Kubernetes at home,
- ArgoCD v2.3.0 release announcement,
- Ksniff: a plugin to ease sniffing on kubernetes pods using tcpdump and wireshark,
- A curated list of awesome Kubernetes security resources,
- Best Practices for Running Stateful Applications on Kubernetes,
- Deleting Resources in Kubernetes Operators,
- Finding out the Kubernetes Version in Operators,
- Accessing third Party Custom Resources in Go Operators,
- Kubernetes cluster security assessment with kube-bench and kube-hunter,
- How to calculate the storage space required for Prometheus server,
- Getting Started with Crossplane,
- Bare Metal + Kubernetes = ♡,
- Zarf: DevSecOps for Air Gap Systems,
- When your Prometheus-Server mounted to GCE Persistent Disk on K8s is Full,
- You Should ALWAYS Specify A RollingUpdate Strategy On Your Deployments!
OpenShift:
- A Guide to Ingress Controllers for Azure Red Hat OpenShift,
- A Guide to Ingress Controllers in Red Hat OpenShift Service on AWS,
- Create an Azure Red Hat OpenShift cluster in less than 5 minutes,
- “Oops, something is wrong with your GitOps application!”,
- Simplifying Managed Database Access on OpenShift,
- How to Automate the Provisioning of Narrowly-Scoped and Short-Lived Pull Secrets,
- Signing and Verifying Images to Secure CICD pipelines using Sigstore and Kyverno – (Part II),
- Pachyderm is joining the Open Data Hub family!
- Exposing Custom Metrics from Virtual Machines,
- Using PolicyReports to View and Alert for Governance Violations,
- Running Pods in OpenShift With AWS IAM Roles for service accounts AKA IRSA,
- Debugging AWS STS Authentication for OpenShift Operators,
- Live Snapshots in OpenShift Virtualization,
- Integrating coreos-installer with Ironic,
- Red Hat Developer Tekton tutorial,
- Disconnected OpenShift Assisted Installer Service,
- Custom Root CAs in OpenShift,
- How to manage secrets in OpenShift/Kubernetes using Vault and External Secrets (33min),
- Process Apache Kafka records with Knative’s serverless architecture,
Containers:
Service Mesh:
RHEL:
Certifications:
Miscellaneous:
- Intel “In-Field Scan” Coming With Sapphire Rapids As New Silicon Failure Testing Feature,
- REST API error modeling with Quarkus 2.0,
- How to build redundancy into your network (and what to avoid),
- Library vs Service vs Sidecar,
- Data conversion in Pandas dataframes: 3 approaches to try,
- Understanding the Difference Between Observability and Monitoring,
- Manage Python security with Thoth’s cloud-based dependency resolver,
- Check your YAML for errors with yamllint,
- Inject custom JDK Flight Recorder events in containerized applications,
- Percona Server for MySQL Encryption Options and Choices,
- Sustainability with Rust,
- How to Migrate your Ansible Playbooks to Support AWS boto3,
- What the first five lines of Linux’s top command tell you,
- Test GitHub projects with GitHub Actions and Testing Farm,
- 7 AI features changing speech recognition,
- The Ansible cookie: Magic in the middle,
- Which is better: A single Kafka cluster to rule them all, or many?
- Kafka Monthly Digest: February 2022,
- How to set up a network bridge for virtual machine communication,
- An easier way to generate PDFs from HTML templates,
- Google Cloud Managed Service for Prometheus is now generally available,
- Using Homebrew Package Manager on Fedora Linux,
- Choose the best Camel for your integration ride, Part 1.
Kubernetes:
- Kubernetes Workload Identity with AKS,
- Stop Using Branches for Deploying to Different GitOps Environments,
- Secure Your Kubernetes Deployments,
- Validate Kubernetes Deployment in CI/CD with Tekton and Datree,
- Resources to build Kubernetes Operators,
- Demystifying kube-proxy,
- Network Policies with Canal and Flannel on K3s,
- mirrord: easily mirror traffic from your production environment to your development environment,
- Kubernetes Container Lifecycle Events and Hooks,
- ElastAlert 2: a tool for alerting on anomalies & spikes,
- Kubernetes Multicluster with Kind and Cilium,
- RBAC-manager: a Kubernetes operator that simplifies the management of Role Bindings and Service Accounts,
- Running Kafka on kubernetes for local development,
- Introducing Hot and Cold Retries on Apache Kafka,
- Kubernetes — Active/Passive Load Balancing with Services,
OpenShift:
- What’s New: OpenShift 4.10 (100min) / slides,
- Tang-Operator: Providing NBDE in OpenShift,
- A Guide to OpenShift Storage Compression on a Hyper-converged Cluster,
- Predictive Autoscaling Patterns using Vertical Pod Autoscaler in Kubernetes / demo,
- Let’s build an OpenShift Home Lab!
- Getting Started with OpenShift Single Node Cluster (40min),
- How To Deploy OpenShift Container Platform 4.9 on KVM,
- Load Balancer Services backed by Octavia in Red Hat OpenShift running on OpenStack,
- Mirror Registry for Red Hat OpenShift (11min),
- Red Hat and Intel Use Red Hat Advanced Cluster Management (RHACM) for Kubernetes to Manage a Multicloud OpenShift Solution,
- Gathering Baseline Openshift Usage Information from Metrics,
- Fully Self-Contained OCP Cluster,
- Signing and Verifying Images to Secure CICD pipelines using Sigstore and Kyverno,
- A Guide to Using Ingress Controllers to Enable Public Access to OpenShift Private Clusters,
- A Guide to Ingress Controllers in OpenShift using IPI,
- Red Hat OpenShift Data Science Workshop – Object Detection,
- Deploying Red Hat OpenShift on Nutanix AHV,
- How to use the OpenShift Assisted Installer,
- Simplify container development with Red Hat CodeReady Workspaces,
- libvirt-ocp4-provisioner: Automate your OCP4 installation,
- Package and run your Java Maven application on OpenShift in seconds,
- Red Hat OpenShift Data Foundation overview (13min),
- OpenShift tips,
- Developing and Debugging Kubernetes Operators in Java,
- Latest Integrity Shield protects Red Hat Advanced Cluster Management for Kubernetes policies,
- Kubernetes deployment models for edge applications,
- How MicroShift and Kubernetes help manage edge devices at scale,
- Installing ROSA with AWS Gateway Load Balancer,
Containers:
Service Mesh:
RHEL:
- AlmaLinux Live Media and Cloud Images 8.5 Updates,
- Using systemd-path to keep specific folder permissions,
- Upcoming changes to Puppet functionality in Red Hat Satellite,
- How to integrate VMWare resources with Red Hat Satellite,
- How to configure firewalld quickly,
- Edge Automation with NetGitOps on Red Hat Ansible Automation Platform 2,
- SQL cache stores and more in Data Grid 8.3,
- What is the Red Hat Accelerators program and why might you want to join?
- AlmaLinux for PowerPC 8.5 Stable Now Available!
- Performance Improvements in Ansible Automation Controller 4.1,
- Red Hat contributes towards innovative optical & wireless network technologies,
- Forecasting and tracking the ROI of Ansible automation,
- Red Hat Extends Partner Training Offerings to Strengthen Open Hybrid Cloud Expertise,
- Red Hat contributes towards innovative optical & wireless network technologies,
Certifications:
Miscellaneous:
- Cloud Spanner myths busted,
- Economical Comparison of AWS CPUs for MySQL (ARM vs Intel vs AMD),
- Recommended DevOps Books,
- Make du’s output more useful with this neat trick,
- Five ways to get started with network automation,
- Fine-tune and optimize AWS WAF Bot Control mitigation capability,
- Inspecting containerized Python applications in a cluster,
- Troubleshoot and monitor Linux system performance with nmon,
- NetworkManager 1.36 Released With 5G NR Modem Support, Other Improvements,
- Linus Torvalds prepares to move the Linux kernel to modern C,
- For Linux Enthusiasts Especially, The Steam Deck Is An Incredible & Fun Device,
- Firewalld 1.1 Released With New Services Added,
- Enforce code consistency with clang-format,
- 10 habits of great Ansible users,
- Optimizing Memory Usage in Python Applications,
- Avoid errors in your Ansible playbooks with ansible-lint,
- Get started on OpenStack with DevStack,
- Introduction to the Node.js reference architecture, Part 7: Code coverage.
Kubernetes:
- Kyverno v1.6.0 release announcement,
- KSOPS: A Flexible Kustomize Plugin for SOPS Encrypted Resources,
- Why you should avoid Sealed Secrets in your GitOps deployment,
- kiosk: Multi-Tenancy Extension For Kubernetes,
- GitOps model for provisioning and bootstrapping Amazon EKS clusters using Crossplane and Argo CD,
- Highly Available NFS cluster in Kubernetes, a cloud vendor independent storage solution,
- KubeVirt v0.50.0 release announcement,
- Dedicated migration network in KubeVirt,
- Announcing Krius – accelerating your monitoring adoption for Kubernetes,
- Chaos Mesh moves to the CNCF Incubator,
- Logstash, Fluentd, Fluent Bit, or Vector? How to choose the right open-source log collector,
- Practicing Kubernetes,
OpenShift:
- Keepalived Operator: An operator to manage VIPs backed by keepalived,
- Set up an Istio Multicluster Service Mesh with Submariner in Red Hat Advanced Cluster Management for Kubernetes,
- On-Demand execution with Red Hat OpenShift,
- Installing the HashiCorp Vault Secret CSI Driver,
- Dynamic RBAC Operator: an operator allowing you to define “Dynamic” RBAC rules that change based on the state of your cluster,
- Enabling vGPU in OpenShift Containerized Virtualization,
- GitOps using Red Hat OpenShift console 4.9 and 4.10,
- Getting started with Java Operator SDK,
- Node Health Check Operator,
- Providing Multi-Tenancy and Network Isolation to the Edge,
- Monitor and scale apps using your own metrics,
- A Guide to using Routes, Ingress and Gateway APIs in Kubernetes without vendor lock-in,
- Serialize Debezium events with Apache Avro and OpenShift Service Registry,
- Write Kubernetes in Java with the Java Operator SDK,
- Implementing DevSecOps CI/CD pipelines with RHACS and OpenShift,
- OpenShift GitOps CVE 2022-24348 Vulnerability,
- Deploying CockroachDB on one Red Hat OpenShift cluster,
- A Guide to Red Hat OpenShift and AWS Spot Instances,
- Running pods in OpenShift with AWS IAM Roles for service accounts aka IRSA,
Containers:
Service Mesh:
RHEL:
- Howto configure a CentOS 8 Stream host as a network router and provide dhcp and dns services,
- Automating Content Management in Satellite 6.9 with Ansible Automation Platform: Part 2,
- Automating Content Management in Satellite 6.9 with Ansible Automation Platform: Part 3,
- Private automation hub – Multi-Hub for resilience,
- How to prepare Red Hat Satellite for VMWare integration,
- CentOS Community Newsletter, February 2022,
- Ansible Automation Platform – A video tour,
- Save the date for Red Hat Summit 2022,
- Deploy JBoss EAP with RHEL using the Azure Marketplace offering,
- How to create a VMWare VM template for Red Hat Satellite,
- Ceph Storage 5: Insert next disk,
Certifications:
Miscellaneous:
- Infracost: Cloud cost estimates for Terraform,
- Investigating the cost of Open vSwitch upcalls in Linux,
- Try Kakoune for a modern Vi,
- Automate and deploy a JBoss EAP cluster with Ansible,
- How we use Apache Kafka to improve event-driven architecture performance,
- Create a data stream with Amazon Kinesis,
- Comparison of Fedora Flatpaks and Flathub remotes,
- 5 software testing strategies to build into your CI/CD pipeline,
- The Fedora Workstation Experience,
- Kafka Monthly Digest: January 2022,
- Blog with Gitops Practices and GitHub,
- How the Chrome browser works,
- Provision a VM with Cloud Image and Cloud-init,
- Include diagrams in your Markdown files with Mermaid,
- Code specialization for the MIR lightweight JIT compiler,
- How to find third-party vulnerabilities in your Python code,
- How I Customize Fedora Silverblue and Fedora Kinoite,
- Migrating from Python virtual environments to automation execution environments in Ansible Automation Platform 2,
- Quality testing the Linux kernel,
- Introducing s2n-quic, a new open-source QUIC protocol implementation in Rust,
- How to find third-party vulnerabilities in your Java code.
Kubernetes:
- What is Google Cloud Anthos? Managed Kubernetes everywhere,
- Data on Kubernetes Report 2021: How companies deploy stateful workloads on Kubernetes,
- Kubernetes architecture: How to use hierarchical namespaces for multiple tenants,
- Rego library for detecting misconfigurations in Kubernetes manifests,
- Kubernetes Vault Integration via Sidecar Agent Injector vs. CSI Provider,
- Kubernetes GitOps Tools,
- Predictive Autoscaling patterns in Kubernetes,
- A web-based simulator for the Kubernetes scheduler,
- Kubernetes Scaling, Capacity and Resource Planning in Complex Clusters,
- What’s New in Prometheus 2.33?
- The OPA Monthly Newsletter,
- New sync and diff strategies in ArgoCD,
- Dynamic Kubernetes Local Persistent Volumes with OpenEBS,
- Provenance comes to the sigstore Project Helm Charts,
- Managing Disconnected Signatures Using cosign,
- Discussion about Submariner with Miguel Ángel Ajo and Stephen Kitt of Red Hat,
- 12 Factor App meets Kubernetes: Benefits for cloud-native apps,
- A Primer: Accessing services in Kubernetes,
- Kubernetes API Basics – Resources, Kinds, and Objects,
- How To Call Kubernetes API using Simple HTTP Client,
- How To Call Kubernetes API using Go – Types and Common Machinery,
- Cloud Secret Resolvers: a set of tools to manage Cloud vaults secrets,
- Managing Kubernetes with Ansible – Kubernetes tutorial, Ansible (108min),
OpenShift:
- Bring your own fleet with Red Hat Advanced Cluster Management for Kubernetes auto-import and automation tools,
- OpenShift 4.8 (and above) with NFS Subdir External Provisioner,
- A Guide to Customizing Red Hat Enterprise Linux CoreOS,
- Build a bootable JAR for cloud-ready microservices,
- Automated Disaster Recovery failover and failback with Red Hat OpenShift (9min),
- DevConf.cz: Introduction to Security Context Constraints (SCCs) (48min) / slides / associated workshops,
- DevConf.cz: Serverless with Camel-K and Openshift (26min) / slides,
- Introducing mirror registry for Red Hat OpenShift,
- Ask an OpenShift Admin Office Hour – OpenShift on VMware and the vSphere Kubernetes Drivers Operator,
- OpenShift on VMware – Integrating with vSphere Storage, Networking and Monitoring,
- DevConf.cz: AI on the Edge with MicroShift (19min) / slides,
- How to ensure that your bucket access is given on multiple locations via replication?
- Gathering Debugging Information from OpenShift Clusters via API,
- Red Hat Advanced Cluster Management Walkthrough,
- Building Ansible Operators 1-2-3,
- Create Developer Joy with New “Pipelines-as-code” Feature on OpenShift,
- Protecting your OpenShift apps with NetApp Astra and ONTAP,
- Enhancing reliability by distributing your APP into multiple OpenShift clusters – Part II,
- Red Hat OpenShift Data Foundation Becomes Part of Red Had OpenShift Platform Plus,
- Red Hat Extends Comprehensive Kubernetes Platform with Consistent and Persistent Storage,
- Deploying, monitoring, and migrating AMQ Streams,
- Using OpenTelemetry and Jaeger with Your Own Services/Application,
- Build a FIX engine using Quickfix/J and Quarkus,
- DevConf.cz: What you need to know to secure Telco Workloads (31min) / slides,
- OpenShift Disaster Recovery – A cold start story,
- Deploy a Quake 3 Server on your Developer Sandbox for Red Hat Openshift (6min),
Containers:
Service Mesh:
RHEL:
- Automating network and Microsoft SQL Server configuration using RHEL System Roles,
- The state of Customer Experience at Red Hat: Product and documentation enhancements,
- DevSecOps: Why you should care and how to get started,
- Discover and remediate security vulnerabilities faster with Red Hat Insights,
- How to create and use a Red Hat Satellite manifest,
- What a C++, C, Go or Rust developer should know about RHEL 9,
- tzdata, the time zone database for RHEL: 2021 update,
- Red Hat and LLVM in 2021,
- Curated, tested and supported: How enterprise vendors mitigate open source supply chain risk,
- Red Hat Satellite 6.9.8 has been released,
- Performance troubleshooting with the RHEL Web Console,
- How to Activate Red Hat Insights for Red Hat Ansible Automation Platform,
- The State of Customer Experience at Red Hat: Technical support and subscription management enhancements,
- How to prepare content for Red Hat Satellite,
- AlmaLinux Generic Cloud (cloud-init) Images Now Available for PPC64LE,
- Impacts from a new reality drive the need for an enhanced digital identity framework,
Certifications:
Miscellaneous:
- Quarkus and Mutiny,
- Linux system service bug gives root on all major distros, exploit released,
- Software architects: Two traits that are key to success,
- 8 ways to speed up your Ansible playbooks,
- 5 ways to make your Ansible modules work faster,
- Deploy and Manage Gitlab Runners on Amazon EC2,
- pyIFD: Python-based Image Forgery Detection Toolkit,
- What’s new for developers in Java 18,
- Sharing the computer screen in Gnome,
- How to get started with the ed text editor,
- How to share files with Samba,
- Protect secrets in Git with the clean/smudge filter,
- Build a REST API from the ground up with Quarkus 2.0,
- Rucksack: A Python tool that stores your favorite Linux one-liners,
- Engineering EDA and microservices applications for performance,
- How to use a VM as a Jenkins agent.
Kubernetes:
- External Secrets Operator,
- Run a Google Kubernetes Engine Cluster for Under $25/Month,
- Tracing the path of network traffic in Kubernetes,
- Running MongoDB in Kubernetes: An overview of existing solutions,
- How Kubernetes creates and runs containers: An illustrated guide,
- Reducing Kubernetes Cost: Kubecost vs Cast.ai,
- Karpenter vs Cluster Autoscaler,
- Avoid 6 K8s Deployment Mistakes with Policy as code,
- Kubernetes Scheduling – Taints and Tolerations,
- Manage multi-tenant clusters with Flux,
- How to get VMs to talk to Kubernetes,
- Learning Prometheus and PromQL,
- Autoscaling on Kubernetes with KEDA and Kafka,
- How to streamline application portfolio modernization with Tackle,
- How to Secure K8S Nginx Ingress With Let’s Encrypt and Cert Manager,
- Kubernetes+Generate = Kubernate,
- Kubernetes jobs market trends for 2021,
- Debugging Your Kubernetes Nodes in the ‘Not Ready’ State,
- Kubernetes Nodes – The Complete Guide,
- Troubleshooting Kubernetes FailedAttachVolume and FailedMount,
- Kubernetes Policy Comparison: OPA/Gatekeeper vs Kyverno,
- How Kubernetes Validates Custom Resources,
- Using kubectl exec | Shell Commands & Examples,
- Scaling Kubernetes to Over 4k Nodes and 200k Pods,
- Kubernetes Home Lab,
- Securing Admission Controllers,
OpenShift:
- Ask an OpenShift Admin Office Hour – Disconnected deep dive,
- Secure Applications Built on OpenShift with the IBM Security Verify Operator,
- OpenShift on Raspberry Pi 4?
- Red Hat Advanced Cluster Security – a Guide to Authentication,
- Generate and Manage ApplicationSets of OpenShift-GitOps/ArgoCD in ACM,
- Enhancing GitOps with the Patch Operator,
- Connect IoT devices with Drogue IoT and OpenShift Streams for Apache Kafka,
- Introducing MicroShift,
- Ask an OpenShift Admin Office Hour – Updates and Upgrades,
- Enhancing reliability by distributing your APP into multiple OpenShift clusters — Part I,
- 9 Best Practices for Deploying Highly Available Applications to OpenShift,
- How to Import an Amazon EKS Cluster Into Red Hat Advanced Cluster Management,
- Set up Internal Vault with Agent Injector on OpenShift,
- Monitoring Quarkus apps with Prometheus into OpenShift,
- Deploy Quarkus Apps into the Cloud,
- Install the Cryostat Operator on Kubernetes from OperatorHub.io,
- Integrate ISO 20022 payments messaging with CI/CD,
- Create entitled builds for Red Hat subscriptions in OpenShift,
- Our Cloud Native Journey to Red Hat OpenShift Using Quarkus,
- Guide to Mutations of a Resource on OpenShift with Kyverno,
- Secure GitOps Supply Chain with GnuPG Signature verification in ArgoCD,
Containers:
Service Mesh:
RHEL:
- How to Install PHP 8.1 on AlmaLinux 8,
- CentOS Community Newsletter, January 2022,
- Using the no-cost Developer Subscription with the new Red Hat Enterprise Linux Image Builder hosted service,
- How to renew your Red Hat Developer Subscription for Red Hat Enterprise Linux,
- AlmaLinux Container Images with Full RHEL UBI Compatibility,
- Migration Guide: CentOS to AlmaLinux, Rocky Linux and Other Alternatives,
- Red Hat Insights Resource Optimization is released,
- Automating DNS based GSLB with Infoblox DTC and Red Hat Ansible Automation Platform,
- SUSE announces new distro for those who miss the old CentOS: Liberty Linux,
- Overcoming vulnerabilities with live kernel patching in Red Hat Enterprise Linux 8.5,
- How to install Red Hat Satellite,
- Red Hat Satellite 6.10.2 has been released,
- January 2022 CentOS Board Meeting Minutes,
Certifications:
Miscellaneous:
- How to troubleshoot DHCP communication problems on your network,
- Packaging LLVM Snapshots,
- Extracting dependencies from Python packages,
- FFmpeg 5.0 Released,
- 3 tools for troubleshooting packet filtering,
- How to self-host a Python package index using Pulp,
- Restarting and Offline Updates,
- 5 scripts for getting started with the Nmap Scripting Engine,
- Comparing Graviton (ARM) Performance to Intel and AMD for MySQL,
- And now Linux has a Real-Time Linux Analysis (RTLA) tool!
- Record your terminal with script and scriptreplay,
- Concurrency Compared: AWS Lambda, AWS App Runner, and AWS Fargate,
- 5 design principles for microservices,
- From monolith to microservices: How applications evolve,
- 8 essential Linux file navigation commands for new users,
- Sending Email in a Private Network,
- 8 fundamental Linux file-management commands for new users,
- Git hooks: How to automate actions in your Git repo,
- How the debuginfod project evolved in 2021,
- Getting Started with Ansible.utils Collection for Playbook Creators: Part 1,
- Getting Started with Ansible.utils Collection for Playbook Creators: Part 2,
- How to get started with the Vi editor,
- The disadvantages of microservices.
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