Kubernetes:
- Comparing kube-proxy modes: iptables or IPVS?
- How to expose a WebSocket endpoint using Red Hat 3scale API Management,
- Managing secrets for Kubernetes pods,
- GKE Security Best Practices: Designing Secure Clusters,
- GKE Networking Best Practices for Security and Operation,
- Guide to GKE Runtime Security for GCP Workloads,
- GKE Monitoring Best Practices for Better Security and Operability,
- Rancher Kubernetes Engine (RKE) Security Best Practices for Cluster Setup,
- Top 9 Open Source DevSecOps Tools for Kubernetes,
- The role of the Orchestrator in GitOps-driven operations,
- Create Kubernetes federated clusters on AWS,
- The Cost of Managed Kubernetes – A Comparison,
- KubeEdge: cloud native edge computing,
- What is Polaris? Kubernetes open source configuration validation,
- Detecting new crypto mining attack targeting Kubeflow and TensorFlow,
- Series: Deploying ASP.NET Core applications to Kubernetes,
- IaC Security Scanner for ArtifactHub,
- Kubernetes Multicluster with Kind and Submariner,
- Tutorial: Turning a GitHub Repo Into a Helm Chart Repo,
OpenShift:
- Deploy self-hosted GitHub Actions runners for Red Hat OpenShift,
- Using OpenShift Pipelines to Automate Red Hat Advanced Cluster Security for Kubernetes,
- What’s New in Red Hat Advanced Cluster Security,
- Monitoring and analysis of Network Flow Traffic in Openshift (Part I),
- Monitoring and analysis of Network Flow Traffic in Openshift (Part II),
- Test the New GitLab Operator for OpenShift,
- Strategies for Moving .NET Workloads to OpenShift Container Platform,
- Deploying OpenShift clusters (IPI) using vRA Code Stream,
- Integrating OpenShift and ionir to Improve Data Agility and Resilience in the Cloud,
- Ask an OpenShift Admin Office Hour – Authentication and Authorization,
- Making Java programs cloud-ready, Part 3: Integrate MicroProfile services,
- Making Java programs cloud-ready, Part 4: Optimize the runtime environment,
- Node.js serverless functions on Red Hat OpenShift, Part 1: Logging,
- Monitoring of multiple OpenShift clusters with VictoriaMetrics,
- Create a machine learning development environment in 10 minutes,
- Certify your operator with Red Hat OpenShift Operator Certification,
- Getting started with Red Hat OpenShift Streams for Apache Kafka,
- Managing the API life cycle in an event-driven architecture: A practical approach,
- Deploy .NET applications on Red Hat OpenShift using Helm,
- Red Hat OpenShift on IBM Z: Tune your network performance with RFS,
- Manage MongoDB in Openshift Using KubeDB,
- Troubleshooting application performance with Red Hat OpenShift metrics, Part 1: Requirements,
- Developing OpenShift Operators in JavaScript/TypeScript,
- Exactly What Are OpenShift Runlevels and Should You Really Use Them?
- OCP Disaster Recovery Part 3: Recovering an OpenShift 4 IPI cluster With the Loss of Two Master Nodes,
Containers:
Storage:
Service Mesh:
RHEL:
- AlmaLinux OS 8.4 for Arm/AArch64 Now Available!
- CentOS Hyperscale SIG Quarterly Report for 2021Q2,
- Major Linux RPM problem uncovered,
- A production guide to automating and managing SSH server configuration with RHEL system roles,
- Many roads lead to: RHEL 8 – Part 1,
- How to Install Magento on AlmaLinux 8,
- CentOS Community Newsletter, July 2021,
- Red Hat Satellite 6.9.3 has been released,
- Automating performance analysis,
- CentOS Stream: ‘I was slow on the uptake, but I get what they are doing now,’ says Rocky Linux founder,
- How to Migrate Centos 8 to AlmaLinux 8.3,
- Dive into Red Hat Enterprise Linux for Edge with Labs,
- Manually Migrating from CentOS 8 minimal to Navy Linux 8.4 minimal,
Miscellaneous:
- 5 key HTTP/3 facts every Enterprise Architect needs to know,
- An Architect’s guide to GPS,
- Estimate your GKE costs early in the development cycle using GitHub,
- Getting started with Red Hat OpenShift Data Foundation on IBM Power Systems,
- Is remmina useful for your daily work?
- 17 Linux commands every sysadmin should know,
- Implementing Apache ActiveMQ-style broker meshes with Apache Artemis,
- Not sure if TOSCA will grow further,
- RESTEasy Reactive and more in Quarkus 2.0,
- An architect’s guide to Network Programmability,
- What’s the right size for a Microservice?
- What is eBPF?
- Google releases new open-source security software program: Scorecards,
- File encryption and decryption with ccrypt,
- Things to do after installing Fedora 34 Workstation,
- Linux Foundation to Form New Open 3D Foundation,
- Decoding Disaster Recovery (DR) scenarios in AWS,
- New digital course: Amazon S3 Business Continuity and Disaster Recovery,
- MySQL/ZFS Performance Update,
- AIX Patch Management with Ansible,
- Mapping SAML attributes to Red Hat Ansible Automation Platform organizations and teams,
- OS Chroot 101: covering btrfs subvolumes,
- A look into CBL-Mariner, Microsoft’s internal Linux distribution.
Kubernetes:
- Argo-CD Autopilot: A tool to offer an opinionated way of installing Argo-CD and managing GitOps repositories,
- Deploy a free Kubernetes cluster in the cloud,
- Running Vault and Consul on Kubernetes,
- Authorino: Making open source, cloud-native API security simple and flexible,
- Kubernetes Operators 101, Part 2: How operators work,
- What’s New in the Ansible Content Collection for Kubernetes – 2.0,
- Kubernetes : from Docker to containerd,
- Karmada : A Kubernetes management system that enables you to run your cloud-native applications across multiple Kubernetes clusters,
- Run Kubernetes Production Environment on EC2 Spot Instances With Zero Downtime: A Complete Guide,
- Tolerating failures in container image registries,
- KubeHelper: A tool to simplify many daily Kubernetes cluster tasks through a web interface,
- Ensure Content Trust on Kubernetes using Notary and Open Policy Agent,
- What to Read to Learn More About Kubernetes,
- Stateless Kubernetes overlay networks with IPv6,
- Bobbycar Part 1- Building a cloud-native IoT architecture with modern Red Hat technologies,
- What Workloads Do Customers Run on Kubernetes?
- Demystifying Operator Development,
- Applying machine learning to GitOps,
OpenShift:
- Understanding the OCP Install Processes (Part 1),
- Understanding the OCP Install Processes (Part 2),
- List of Certs for Bare-Metal 4.7 Cluster,
- Backup and Restore of ETCD/Cluster State,
- Custom Image Pull Requirements,
- Calico Installation: OpenShift (VMware IPI),
- Calico Installation: OpenShift (Assisted-Installer),
- Cilium Installation: OpenShift (Assisted-Installer),
- Geographically Distributed Stateful Workloads – Part 3: Keycloak,
- Perform a kaniko build on a Red Hat OpenShift cluster and push the image to a registry,
- How to get rid of “It works on my machine!” with CodeReady Workspaces,
- Adding an Active Directory Oauth Provider in OpenShift,
- Adding IPV6 as Additional Network on a Pod in OpenShift,
- Openshift Compliance Operator,
- Enforce resource consumption limits using OpenShift resource quotas,
- Ask me anything: Insights for OpenShift—benefits of having your OpenShift clusters connected to Red Hat (30min),
- Ask me anything: SRE best practices managing OpenShift across AWS, GCP, and Azure (30min),
- Ask me anything: Now what do I do with all of these clusters? (30min),
- Ask the experts about OpenShift Virtualization (30min),
- Governance and risk: Do you need help addressing security and compliance for your cloud native or modernized workloads?
- Bankdata shares its results of using Quarkus on Red Hat OpenShift Container Platform,
- Modern Fortune Teller: Using GitOps to automate application deployment on Red Hat OpenShift,
- gRPC or HTTP/2 Ingress Connectivity in OpenShift,
- Keep Your Applications Secure With Automatic Rebuilds,
- What’s new with OpenShift 4.8 [June-2021],
- Ask an OpenShift Admin Office Hour – SSL Certificates and OpenShift,
- Running Red Hat OpenShift Container Platform on VMware Cloud Foundation,
- Making Java programs cloud-ready, Part 1: An incremental approach using Jakarta EE and MicroProfile,
- Making Java programs cloud-ready, Part 2: Upgrade the legacy Java application to Jakarta EE,
- Windows Containers on Red Hat OpenShift: Does That Make Sense?
- Rebuilding/Adding Worker Nodes on OpenShift,
- Rebuilding Master Node on OpenShift,
- Testing changes on live OpenShift nodes,
- Integrate Red Hat Data Grid and Red Hat JBoss Enterprise Application Platform on Red Hat OpenShift,
OpenShift SCC:
Containers:
- Podman is gaining rootless overlay support,
- Ask me anything: Container security (30min),
- What Is Podman and How Does It Differ from Docker?
- How to create container images with ansible-bender,
- Podman – Getting Started,
- Podman – Images,
- Podman – Volumes 1/2,
- Podman – Volumes 2/2,
- Podman – Pods,
- Podman – systemd in containers,
- Podman – systemd container management,
- Podman – Networking 1/3,
- Podman – Networking 2/3,
- Podman – Networking 3/3,
- Podman – Secrets,
- Buildah version 1.21.0 Release Announcement,
- Controlling access to rootless Podman for users,
Service Mesh:
RHEL:
- Rocky Linux 8.4 Available Now,
- Bringing your favorite runtimes to Red Hat Enterprise Linux 8.4,
- Kogito: Laying the foundation for the next generation of cloud-native business automation,
- Getting started with automating and managing SSH server configuration with RHEL system roles,
- Migrating to RHEL 8? Enter Red Hat’s giveaway,
- Ansible: joining Redhat 8 to Active Directory,
- NFSv4 with Kerberos against Active Directory,
- How to get system configuration alerts on RHEL from Red Hat Insights using Drift,
- Automating rule-based services with Java and Kogito,
- How to import Red Hat 3scale API Management analytics to an external data visualization tool,
- Application analysis in the DevSecOps life cycle,
- How does Red Hat support Day 2 operations?
- How to remove an unneeded GUI from a Red Hat Enterprise Linux server,
- RHEL for Edge: update infrastructure quickstart,
Miscellaneous:
- CoreDNS: File Plugin for Lab Testing,
- Managing Partitions and File System in Linux,
- The evolution of Software Defined Networking,
- The evolution of SDN: What service mesh offers telco,
- What is a Trusted Computing Base?
- 6 troubleshooting skills for Ansible playbooks,
- Introduction to the Node.js reference architecture, Part 4: GraphQL in Node.js,
- Vim vs. Nano vs. Emacs: Three sysadmins weigh in,
- An Enterprise Architect’s guide to database technologies,
- Systemd Timers for Scheduling Tasks,
- Getting started with Ansible security automation: Incident Response,
- Using VMware vCenter Tags in a Red Hat Ansible Tower Dynamic Inventory,
- How the JIT compiler boosts Java performance in OpenJDK,
- How to pass extra variables to an Ansible playbook,
- Mount cue/bin image files with CDemu,
- How to Merge PDF on Linux,
- Use source-level annotations to help GCC detect buffer overflows,
- Using Ansible to automate Logical Volume Manager configurations,
- The AWS Security Reference Architecture,
- Introduction to image builder,
- Learn Bash error handling by example.
Kubernetes:
- Open Source solutions for chaos engineering in Kubernetes,
- Kubernetes and SSL Certificate Management,
- How to create Kubernetes home lab on an old laptop,
- Kubernetes is so Simple You Can Explore it with Curl,
- Kubernetes Single Sign On – A detailed guide,
- How to Master Admission Webhooks In Kubernetes (GKE) (Part One),
- Building a Cloud Native Node.js application – IBM Developer (30min),
- How to run performance tests with K6, Prometheus and Grafana,
- Blue-green deployment with a database on Kubernetes,
- Kubernetes Operators 101, Part 1: Overview and key features,
- Setting up Distributed Tracing in Kubernetes with OpenTracing, Jaeger, and Ingress-NGINX,
- A curated list of awesome Kubernetes security resources,
- The State of Kubernetes Security,
- Announcing etcd 3.5,
- prombench: an automated Prometheus E2E testing and benchmarking,
- Kubernetes by example,
- Application modernization patterns with Apache Kafka, Debezium, and Kubernetes,
- Knative Eventing with Quarkus, Kafka and Camel,
- Mastering YAML Processing in Command Line,
OpenShift:
- Directly Migrating Persistent Volumes and Internal Images,
- Red Hat OpenShift Service on AWS: architecture and networking,
- Secure routes for your microservices on Red Hat OpenShift,
- Using VPC Peering to Connect an OpenShift Service on an AWS (ROSA) Cluster to an Amazon RDS MySQL Database in a Different VPC,
- An Introduction to ApplicationSets in OpenShift GitOps,
- Create and manage Red Hat Data Grid services in the hybrid cloud,
- Deploy OpenShift on OpenStack Provider Networks,
- OpenShift Version 4.7 Now Available in Red Hat OpenShift on IBM Cloud,
- Deploy OpenShift Single Node in KVM,
- Get started with security context constraints on Red Hat OpenShift,
- OpenShift Pipelines Advanced Triggers Part 1 – Triggering Different Project Builds in the Same Repository,
- Openshift 4.x kernel troubleshooting using Kdump – Tech Preview,
- Partial etcd Recovery on Openshift / Kubernetes,
- Metro DR with OCP 4.7 and OpenShift Data Foundation,
- Project Shipwright and the future of Red Hat OpenShift builds,
- Move virtual machines to OpenShift at-scale with Red Hat’s migration toolkit for virtualization,
- Run .Net code on Red Hat OpenShift Container Platform on Mac OS,
- Multi-Instance GPU Support with the GPU Operator v1.7.0,
Containers:
Service Mesh:
RHEL:
- Enhancing Linux security with Advanced Intrusion Detection Environment (AIDE),
- An easier way to go: SCTP over UDP in the Linux kernel,
- CentOS Linux 8 (2105) Released,
- How to Install Damn Vulnerable Web Application on CentOS 8,
- How to Install Asterisk 18 VoIP Server on CentOS 8,
- How to size your projects for Red Hat’s single sign-on technology,
- CentOS Community Newsletter, June 2021,
- Visualizing performance with RHEL 8.4 Grafana Dashboard for Microsoft SQL Server,
- Rancher installation on RHEL 8 compatible Linux,
- Let’s Encrypt change affects OpenSSL 1.0.x and CentOS 7,
- Achieving polyglot persistence with application stream databases in Red Hat Enterprise Linux 8.4,
- Introduction to RHEL System Roles,
- Identity and access in the DevSecOps life cycle,
- How to implement employee rostering with Red Hat Business Optimizer,
- Auditd Recommended Configuration on Redhat or CentOS Linux for System Auditing,
- Top 15 Services to Remove for Securing Redhat or CentOS Linux,
- How to Install Django on CentOS 7,
- Convert2RHEL adds official support for Oracle Linux conversions,
- Booting ISO’s in OpenStack Environments,
- How to deliver decision services with Kogito,
- Red Hat Summit 2 On Demand Sessions,
Certifications:
Miscellaneous:
- The pros and cons of the Static Content Hosting architecture pattern,
- Data is the New Gold – How to Work with Databases in Quarkus,
- Automating ServiceNow with Red Hat Ansible Automation Platform,
- Analyzing cases for and against setting swap space on cloud instances,
- The benefits of clear context boundaries in microservice architecture design,
- A beginner’s guide to creating redirects in an .htaccess file,
- Use cpulimit to free up your CPU on Fedora,
- Connect Quarkus applications with Drogue IoT and LoRaWAN,
- Toward Vagrant 3.0,
- Making the most out of Helm templates,
- Bee Travels: A microservices coding adventure,
- Debugging on Valgrind: Adding fused-multiply-add support for the AArch64 processor,
- File encryption and decryption made easy with GPG,
- Learn more about your Linux system with inxi.
Kubernetes:
- Running Vault and Consul on Kubernetes,
- Is Vanilla Kubernetes Really Too Heavy For The Raspberry Pi?
- The Business Case for Kubernetes,
- Running K3S workload in a restricted environment,
- Generating Kubernetes Network Policies Automatically By Sniffing Network Traffic,
- Kubernetes Kpt in The Wild: What it is and how to use it,
- 47 Things To Become a Kubernetes Expert,
- Kubernetes API Priority and Fairness,
- NFS Subdirectory External Provisioner Helm Chart,
- Shell-operator: a tool for running event-driven scripts in a Kubernetes cluster,
- Comparing Kubernetes operators for PostgreSQL,
- Kubernetes Pod Tolerations and Postgres Deployment Strategies,
- Deploying Talos and Kubernetes with Cluster-API on Equinix Metal,
- Building a real-time leaderboard with Red Hat Data Grid and Quarkus on a hybrid Kubernetes deployment,
- Detect intrusions that happened in your Kubernetes cluster through audit logs using Falco,
- How etcd works and 6 tips to keep in mind,
- Kubernetes Kpt in The Wild: What it is and how to use it,
- 10 Kubernetes Security Context settings you should understand,
- Using Intel vGPUs with Kubevirt,
- Kubernetes Readiness Probes – Examples & Common Pitfalls,
- Introduction to Kubernetes Operators,
- Architecting Kubernetes clusters – choosing the best autoscaling strategy,
- Kubernetes architecture and what it means for security,
- Create Kubernetes federated clusters on AWS,
OpenShift:
- A free Red Hat Developer Subscription allows you to deploy an OpenShift cluster up to 16 nodes for more than 60 days (it’s not an evaluation version),
- Lessons Learned from Migrating 3,000 Apps From PCF to OpenShift (50min) / slides,
- Crane 1.5.0 Feature: Faster OpenShift app migrations with cached clients (4min),
- DevSecOps compliance: Make your auditor’s job easier!
- Operationalizing Kubeflow in OpenShift,
- Real-time debugging in Tekton pipelines,
- Installing OKD 4,
- Zero-Touch Declarative Rehosting of Legacy Monolith Applications to OpenShift Virtualization,
- OCP Disaster Recovery Part 2: Recovering an OpenShift 4 IPI cluster With the Loss of One Master Node,
- A Brief Introduction to Red Hat Advanced Cluster Security for Kubernetes,
- Troubleshooting OpenShift Bootstrap Failures,
- Ask an OpenShift Admin Office Hour – Subscription Comparison, Licensing & Entitlements,
- Customizing Virtual Machine Templates in OpenShift,
- How to update to newer Red Hat OpenShift 4 releases,
- How to install Kubeflow 1.2 on Red Hat OpenShift,
- Learn Quarkus faster with quick starts in the Developer Sandbox for Red Hat OpenShift,
- How to rock CI/CD with Azure DevOps and OpenShift in 6 easy steps,
- Gatekeeper Mutations,
- Network Policies: Controlling Cross-Project Communication on OpenShift,
- Discovering OpenShift Resources in Quarkus,
- Building Cloud Native Data Analytic Services for the Edge,
- Ask an OpenShift Admin Office Hour – Alertmanager configuration and customization,
- CVE-2021-30465 Mitigated by Default in OpenShift,
Containers:
- Container Scanning: How to Connect Snyk With Red Hat Quay,
- Top 20 Dockerfile best practices,
- Podman 3 and Docker Compose – How Does the Dockerless Compose Work? (3min),
- Using files and devices in Podman rootless containers,
- A guide to operating systems for Kubernetes,
- Using runc to explore the OCI Runtime Specification,
- Red Hat Universal Base Image and Docker Hub: Why should developers care?
- The worst so-called “best practice” for Docker,
- Reverse Engineering a Docker Image,
- DockerSlim: A tool to minify your Docker image,
- New container feature: Volatile overlay mounts,
- Running Testcontainers in OpenShift Pipelines With Docker-in-Docker,
- Buildpacks vs Dockerfiles,
Service Mesh:
RHEL:
- Visualizing performance in Red Hat Enterprise Linux 8.4 web console,
- Minutes for CentOS Board of Directors for 2021-05-12,
- Red Hat Satellite 6.9.2 has been released,
- Capture detailed analytics with the custom metrics policy in Red Hat 3scale API Management,
- Actionable threat intelligence for publicly known exploits for RHEL,
- Security automation for digital transformation,
- AlmaLinux OS 8.4 Stable Now Available,
- How to set up a Pacemaker cluster for high availability Linux,
- How to enhance Linux user security with Pluggable Authentication Module settings,
- Steps for converting from CentOS Linux with Convert2RHEL and Red Hat Satellite,
- Network-Bound Disk Encryption improvements in RHEL 8,
- Integrate Red Hat Fuse 7 on Apache Karaf with Red Hat AMQ 7,
- Red Hat Software Collections 3.7 and Red Hat Developer Toolset 10.1 now generally available,
Certifications:
Miscellaneous:
- Node.js Reference Architecture, Part 2: Logging in Node.js,
- Fedora Podcast is back,
- What is the Fedora 34 RAW Image. Part One,
- What is the Fedora 34 RAW Image. Part Two,
- Event-driven architecture: Understanding the essential benefits,
- Can we consider –editable a bad practice?
- Introducing AWS Application Cost Profiler, offering user-based cost data of shared AWS resources,
- The pros and cons of the Strangler architecture pattern,
- A practical view of the xargs command,
- How to create a better front-end developer experience,
- The pros and cons of the Saga architecture pattern,
- Simulating CloudEvents with AsyncAPI and Microcks,
- 7 Linux networking commands that every sysadmin should know.
Kubernetes:
- Strange things you never knew about Kubernetes ConfigMaps on day one,
- How to switch container runtime in a Kubernetes cluster,
- NetworkPolicy Editor: Create, Visualize, and Share Kubernetes NetworkPolicies,
- VMware: The State of Kubernetes 2021,
- How To Run The Cheapest Kubernetes Cluster at $1 Per Day,
- kubebox: A terminal and Web console for Kubernetes,
- k8gb: A cloud native Kubernetes Global Balancer,
- skooner: A simple Kubernetes realtime dashboard and management,
- saffire: A controller to override image sources in the event that an image cannot be pulled,
- k8s-image-swapper: Mirror images into your own registry and swap image references automatically,
- Deploy Kubernetes the Hard Way on Azure,
- What is Ingress Controller and how to deploy Nginx Ingress Controller in Kubernetes Cluster on AWS using Helm,
- Introducing argocd-vault-plugin v1.0!
- Adding Security to DevOps for your Kubernetes-native Applications (54min),
- kube-spawn: A tool for creating multi-node Kubernetes clusters on a Linux machine using kubeadm & systemd-nspawn,
- ArgoCD: users, access, and RBAC,
- ArgoCD: Okta integration, and user groups,
- Using Finalizers to Control Deletion,
- Topology Awareness in Kubernetes Part 3: The Pod Resources API,
- popeye: A Kubernetes cluster resource sanitizer,
- KubeCon + KubeNativeCon Europe 2021 videos,
- Using kubeadm to create a Kubernetes 1.20 cluster on VirtualBox with Ubuntu,
- Setup a Private Git-Repository in Kubernetes with Gitea,
- Using kubernetes custom resources to manage our ephemeral environments,
OpenShift:
- Our Favorite Things from GitOps Con at KubeCon EU,
- OCP Disaster Recovery Part 1 – How to Create Automated ETCD Backup in OpenShift 4.x,
- SSO Integration for the OpenShift GitOps Operator,
- Ask an OpenShift Admin Office Hour – Red Hat CoreOS,
- How to monitoring Openshift 4.x with Zabbix using Prometheus – Part 2,
- How to install SAP Data Intelligence on Red Hat Openshift,
- Sample Tekton Pipelines for Microservices,
- Debugging Tekton on OpenShift,
- Accessing GitHub in Tekton Tasks on OpenShift,
- Image Garbage Collection in OpenShift,
- Deploying ArgoCD on OpenShift,
- Using GitOps on OpenShift,
- Integrating systems with Apache Camel and Quarkus on Red Hat OpenShift,
- Deploy Red Hat’s single sign-on technology on Red Hat OpenShift using templates,
- How to Use HashiCorp Vault and Argo CD for GitOps on OpenShift,
- Red Hat OpenShift Certification extends support for Kubernetes-native technologies with Helm,
- Self-managed Red Hat OpenShift sizing and subscription guide,
- Improve performance and efficiency in your Red Hat OpenShift deployments,
- Building an Air-Gap Friendly Operator,
- Authorizing multi-language microservices with oauth2-proxy,
- Installing and using Dynatrace to prevent outages,
- Deploying Crossplane Providers with the Operator Lifecycle Manager,
- Ask an OpenShift Admin Office Hour – SPLAT and the vSphere Problem Detector,
- Automated Application Packaging And Distribution with OpenShift – Part 2,
- Deploy Helm charts with Jenkins CI/CD in Red Hat OpenShift 4,
Containers:
Service Mesh:
RHEL:
- Red Hat Enterprise Linux 8.4 now generally available,
- Stability plus innovation: Red Hat Enterprise Linux 8.4 is now GA,
- CentOS Stream 9 Daily Build Available to Download With GNOME 40.1,
- Using Red Hat’s single sign-on technology with external databases, Part 1: Install and configure SSO with MariaDB,
- Automating RHEL for Edge image rollback with GreenBoot,
- Why should developers care about GitOps?
- CentOS Dojo, May 2021,
- The Red Hat Ceph Storage life cycle: upgrade scenarios and long-lived deployments,
- How to Install Chrony NTP Server on CentOS 8,
- How to Install WebERP on CentOS 8,
- How to install Memcached on CentOS 8,
- How to Setup Highly Available NGINX with KeepAlived on CentOS 8,
- RHEL for Edge: What’s new in RHEL 8.4,
- CentOS IRC channels moving to irc.libera.chat,
- Upgrading QGo to QT5,
- Minutes for CentOS Board of Directors for 2021-05-12,
- CentOS SIG experience feedback,
- Build your own RPM package with a sample Go program,
Certifications:
Miscellaneous:
- Mostly harmless: An account of pseudo-normal floating point numbers,
- A brief introduction to Ansible Vault,
- RDO Wallaby Released,
- Receive Side Scaling (RSS) with eBPF and CPUMAP,
- Bash scripting: Moving from backtick operator to $ parentheses,
- What Can You Do with a TPM?
- Error handling in Bash scripts,
- The pros and cons of the Throttling architecture pattern,
- 8 best practices to reduce your AWS bill for Kubernetes,
- Ansible: Getting started with Route Maps Resource Modules,
- Exporting a git repo as a tarball,
- Getting better at counting rpm-ostree based systems,
- PipeWire: the new audio and video daemon in Fedora Linux 34,
- How to Install Drupal 9 on Fedora 34,
- Introduction to the Node.js reference architecture, Part 3: Code consistency,
- Documenting system uptime in Linux,
- Network address translation part 4 – Conntrack troubleshooting,
- What is an ECU? An EC2 Compute Unit, Simply Explained,
- Security Is Someone Else’s Job Zero,
- What is an Edge Location in AWS? A Simple Explanation,
- vscode-kafka: Apache Kafka extension for Visual Studio Code,
- Linux lsof Command Tutorial for Beginners (15 Examples),
- 6 lesser-known but seriously useful Linux commands,
- The pros and cons of the Event Sourcing architecture pattern,
- micropipenv: Installing Python dependencies in containerized applications,
- Adding arguments and options to your Bash scripts,
- PromQL Compatibility Testing – Verifying Vendor Claims for End User Benefit (23min),
- Organizing Your AWS Environment Using Multiple Accounts,
- Ansible: Fun with private Automation Hub – Part 1,
- Fedora Magazine: Set up a .NET development environment,
- Asynchronous enterprise architecture design using AsyncAPI,
- Top 5 Linux man command options for browsing man pages,
- Shenandoah garbage collection in OpenJDK 16: Concurrent reference processing,
- Joining Fedora Linux to an enterprise domain,
- Recursive Vim macros: One step further into automating repetitive tasks,
- Introduction to machine learning with Jupyter notebooks.
Kubernetes:
- Kubernetes configuration patterns, Part 1: Patterns for Kubernetes primitives,
- Kubernetes configuration patterns, Part 2: Patterns for Kubernetes controllers,
- Enhance application security by rotating 3scale access tokens,
- A brief overview of the Container Network Interface (CNI) in Kubernetes,
- Deploying Serverless Services on Kubernetes using Knative,
- CNCF GitOps Working Group,
- How to unit-test your helm charts with Golang,
- Microsoft acquires Kinvolk to accelerate container-optimized innovation,
- Network Isolated AKS – Part 1: Controlling network traffic,
- Custom policies in Red Hat 3scale API Management, Part 2: Securing the API with rate limit policies,
- Rook Best Practices for Running Ceph on Kubernetes,
- Kubernetes GUIs,
- kcp: a minimal Kubernetes API server,
OpenShift:
- oc CLI plugin to interact with Helm features provided by the OpenShift Console,
- BareMetal/UPI libvirt OKD Deployments (141min) + doc,
- Deploying Kafka on OpenShift,
- Containerize .NET for Red Hat OpenShift: Use a Windows VM like a container,
- A journey of a Helm operator to OperatorHub.io and back again,
- Kubernetes Pod Escape Using Log Mounts exploit doesn’t work on OpenShift,
- OpenShift Pipelines and OpenShift GitOps are now Generally Available,
- Deployments of Applications to OpenShift via Source,
- Logging for OpenShift via LogDNA,
- Getting Started with ApplicationSets,
- Introducing OpenShift Pipelines,
- Creating and customizing quick starts with navigation hints in OpenShift,
- Adding Nodes Outside of a MachineSet in vSphere IPI Clusters,
- Now Available: OpenShift Serverless 1.14,
- Recap: OpenShift Commons Gathering at KubeCon EU with Videos!
- How to Configure LDAP Sync With CronJobs in OpenShift,
- Externalizing Configurations for OpenShift Deployments,
- OpenShift 4 Road Map Update 2021 (56min),
- GitOps Happy Hour: Demystifying GitOps (79min) / slides,
- GitOps Happy Hour: Sneak peek at the OpenShift GitOps Operator (62min),
- Red Hat OpenShift GitOps 1.0 Overview (15min),
- Scaling an event-driven architecture using an event-driven autoscaler,
- Deploying Nginx on OpenShift,
- Backup and Recovery with OpenShift APIs for Data Protection (OADP) : be careful, the Velero Open Source project is currently plagued with multiple outstanding issues,
- Building a Custom Overview Page in OKD,
- Deploying Tekton on OpenShift,
- Creating Pod Latency With Linux Traffic Control on OpenShift,
Containers:
Service Mesh:
RHEL:
- Red Hat Software Collections 3.7 and Red Hat Developer Toolset 10.1 beta versions now available,
- Now let’s face it, what the heck is OpenStack and where might it be useful?
- CentOS alternative AlmaLinux gets commercial support,
- CentOS Community Newsletter, May 2021 (#2105),
- Linux at CERN: Current status and future,
- CentOS 8 binary compatible alternatives,
- Event-driven APIs and schema governance for Apache Kafka: Get ready for Kafka Summit Europe 2021,
- Compliance clarity with Red Hat Insights,
- How to accurately match OVAL security data to installed RPMs,
- Azure SQL Edge comes to Red Hat Enterprise Linux,
- How to install Odoo 11 on CentOS 7 with Nginx as a Reverse Proxy,
- CentOS Stream 8 and “dnf downgrade”,
- Cost efficient disaster recovery in hybrid cloud environments,
- CERN’s page discussing CentOS 8,
Miscellaneous:
- HTTP/2: 5 things every Enterprise Architect needs to know,
- Understanding Rust as a C++ developer,
- How Rust makes Rayon’s data parallelism magical,
- Value range propagation in GCC with Project Ranger,
- Detecting memory management bugs with GCC 11, Part 1: Understanding dynamic allocation,
- Automatic load balancing for PMD threads in Open vSwitch with DPDK,
- Red Hat Satellite 6.9.1 has been released,
- The GDB developer’s GNU Debugger tutorial, Part 1: Getting started with the debugger,
- New features in OpenMP 5.0 and 5.1,
- Instant replay: Debugging C and C++ programs with rr,
- Network Methods of Procedure’s as automated workflows,
- Handling Out of Band Network Changes,
- Monitoring as code with Sensu + Ansible,
- Fedora Workstation 34: What’s new,
- How to rebase to Fedora 34 on Silverblue,
- Access freenode using Matrix clients,
- Configure WireGuard VPNs with NetworkManager,
- Introducing the Fedora i3 Spin,
- Optimizing the Clang compiler’s line-to-offset mapping,
- Architectural messaging patterns: an illustrated guide,
- Memory error checking in C and C++, part 1: Comparing Sanitizers and Valgrind,
- Detecting memory management bugs with GCC 11, Part 2: Deallocation functions,
- Static and dynamic IP address configurations for DHCP,
- Static and dynamic IP address configurations: DHCP deployment,
- Automating the testing process for SystemTap, Part 1: Test automation with libvirt and Buildbot,
- Automating the testing process for SystemTap, Part 2: Test result analysis with Bunsen,
- Why Windows and Linux line endings don’t line up (and how to fix it),
- The pros and cons of the Pub-Sub architecture pattern,
- Use multiple compilers to build better projects,
- Report from the virtual ISO C++ meetings in 2020 (core language),
- Exploring PKI weaknesses and how to combat them,
- Configuring Ansible Tower with the Tower Configuration Collection,
- Use knowledge graphs to discover open source package vulnerabilities,
- Numerical weather prediction on AWS Graviton2,
- Ansible Network Resource Purge parameter,
- Build an API using Quarkus from the ground up,
- The machine learning life cycle, Part 1: Methods for understanding data,
- The pros and cons of the Circuit Breaker architecture pattern.
Kubernetes:
- Kubernetes tooling for TechOps and support,
- kubectl-trace: a kubectl plugin that allows you to schedule the execution of bpftrace programs in your Kubernetes cluster,
- kubectl-cost: a kubectl plugin for determining the cost of Kubernetes workloads,
- Use Skupper to connect multiple Kubernetes clusters,
- network-node-manager: a kubernetes controller that controls the network configuration of a node to resolve network issues of kubernetes,
- K8Spin operator: adds three new hierarchy concepts to your Kubernetes cluster (Organizations, Tenants, and Spaces),
- Zero Trust GitOps,
- How I constructed an interactive OpenShift lecture for Red Hat Academy,
- VMware Tanzu Hands-On Workshops,
- AKS Performance: Limit Ranges,
- Red Hat Simplifies Kubernetes Cluster Management,
- Configure Traefik v2 with Cert-manager on Kubernetes,
- Revealing the secrets of Kubernetes secrets,
- Kubernetes 1.21: Metrics Stability hits GA,
- Provisioning Kubernetes clusters on Linode with Terraform,
- Evolving Kubernetes networking with the Gateway API,
- Service Discovery in Kubernetes – Combining the Best of Two Worlds,
- Defining Network Policy Conformance for Container Network Interface (CNI) providers,
- Helm Subchart Pattern Using Git Submodules,
OpenShift:
- Top 5 Courses to Learn Redhat OpenShift in 2021,
- How to Orchestrate Data Pipelines with Applications Deployed on OpenShift with Stonebranch’s UAC,
- Connect AMQ Streams to your Red Hat OpenShift 4 monitoring stack,
- Introducing the Cilium Certified OpenShift Plug-in,
- Access your Developer Sandbox for Red Hat OpenShift from the command line,
- Introducing the Red Hat Tested Solution for Red Hat OpenShift Container Platform on Red Hat OpenStack Platform,
- OKD configuration on VMware (22min),
- Continuous Delivery with Helm and Argo CD,
- Deployment Guide for OpenShift on Alibaba Cloud,
- Ask an OpenShift Admin Office Hour – Day 2 Operations, Part 2,
- Integrate Red Hat Data Grid and Red Hat’s single sign-on technology on Red Hat OpenShift,
- Automated Application Packaging and Distribution with OpenShift – Part 1,
- How to Configure Okta as An Identity Provider for OpenShift,
- Deploying the Mosquitto MQTT message broker on Red Hat OpenShift, Part 2,
- OpenShift Bare Metal installation with GPU,
- Just What Is Red Hat OpenShift Platform Plus?
- Introducing Red Hat OpenShift Streams for Apache Kafka,
- Introducing Red Hat OpenShift API Management,
- Introducing Red Hat OpenShift Data Science,
- Deploying Postgres on OpenShift,
- Deploying IBM’s Db2 on OpenShift,
- Installing OpenShift using Temporary Credentials,
- Descheduler GA in OpenShift 4.7,
- OpenShift Logging Quick Start,
Containers:
- Improving Kubernetes and container security with user namespaces,
- chdir to cwd: permission denied,
- Mitigating CVE-2021-20291: DoS affecting CRI-O and Podman,
- Kubernetes Deprecating Docker?! Let Me Explain Containers in K8s,
- Build smaller containers,
- Why Red Hat’s Universal Base Image is crucial for a Standard Operating Environment,
- Containerize .NET for Red Hat OpenShift: Windows containers and .NET Framework,
- Using Podman Compose with Microcks: A cloud-native API mocking and testing tool,
- Home automation: Running Home Assistant with Podman,
- Buildah as Cross-Compiler,
- Building and Publishing Multi-Arch Images and Image Manifests with Red Hat Buildah and Podman,
Service Mesh:
RHEL:
- CentOS Community Code of Conduct,
- Accelerated Database Performance on Red Hat Enterprise Linux 8.3 with Intel Ice Lake,
- Red Hat Satellite 6.8.6 has been released,
- How to resize a logical volume with 5 simple LVM commands,
- Optimize your RHEL infrastructure: 5 performance areas to focus on,
- Red Hat Satellite 6.9 now available with Smart Management,
- How to build an active-active-active cluster with RHEL 8 and Percona MySQL,
- Automating ingest data processing with data pipelines,
- CentOS Stream 9 Buildsystem is publicly viewable,
- Benchmarking transparent versus 1GiB static huge page performance in Linux virtual machines,
- RHEL 8.4 brings continuous stability plus innovation,
Certifications:
Miscellaneous:
- Something bugging you in Fedora Linux? Let’s get it fixed!
- Capture Oracle database events in Apache Kafka with Debezium,
- Automating Endpoint Protection with Ansible,
- C# 9 init accessors and records,
- Node.js 16 is here with updated platform support, V8 version 9, and more!
- Deep dive into Ansible Trend Micro Deep Security integration modules,
- How to Install Ampache Music Streaming Server on Fedora 33,
- Unifying Audio with Pipewire,
- Remote LLVM development with Visual Studio Code,
- Valgrind Memcheck: Different ways to lose your memory,
- Solving the mystery of hanging character set conversions in glibc’s iconv utility,
- The pros and cons of the Sharding architecture pattern,
- What is Amazon Athena? An Introduction and Walkthrough,
- S3’s Durability Guarantees Aren’t What You Think,
- Ping command basics for testing and troubleshooting,
- Continuous learning in Project Thoth using Kafka and Argo,
- Fedora Linux 34 is officially here!
- File transfer protocols: FTP vs SFTP,
- Some more C# 9,
- The MIR C interpreter and Just-in-Time (JIT) compiler,
- Production Machine Learning Monitoring: Outliers, Drift, Explainers & Statistical Performance.
Kubernetes:
- Kubernetes 1.21: Power to the Community,
- Version-checker: Kubernetes utility for exposing image versions in use,
- Generating Kubernetes Network Policies By Sniffing Network Traffic,
- Testing Apicurio Registry’s performance and scalability,
- Securely connect Red Hat Integration Service Registry with Red Hat AMQ Streams,
- Kubernetes Storage Options Can Be Overwhelming – Pick the Right One,
- iptables: How Kubernetes Services Direct Traffic to Pods,
- Working with kubernetes configmaps, part 2: Watchers,
- Argo CD 2.0 Released!
- Argo CD Notifications Got Better – Welcome to the v1.1 Release,
- Introducing the ApplicationSet Controller for Argo CD,
- VMware Tanzu RabbitMQ for Kubernetes: High-Performance Messaging On-Demand with Kubernetes,
- How to run Ghost blog inside Kubernetes,
- A recipe for a bespoke on-prem Kubernetes cluster,
- Kubernetes 1.21: CronJob Reaches GA,
- Introducing Suspended Jobs,
- Understanding Microservices – Managing Microservices using Kubernetes and Docker (20min),
- kube-state-metrics goes v2.0,
- Kubernetes 1.21 Grows Innovative New Features,
- GitOps: The Bad and the Ugly,
- Kubernetes Networking: How to Write Your Own CNI Plug-in with Bash,
- Comparing Chaos Engineering Tools for Kubernetes Workloads,
- Cloud Native CI/CD with Tekton – Building Custom Tasks,
- Kubernetes overview diagrams,
- BuildKit CLI: a tool for building container images with your Kubernetes cluster,
- No one wants to manage Kubernetes anymore,
- Guide to Monitoring Kubernetes: Which Metrics and Health Conditions You Should be Monitoring,
- Leader Election inside Kubernetes,
- k8s-image-swapper: Mirror images into your own registry and swap image references automatically,
OpenShift:
- Connecting managed clusters with Submariner in Red Hat Advanced Cluster Management for Kubernetes,
- Creating a Two Disk RHEL8 VM with an Immutable OS Disk,
- Containerize and deploy Strapi applications on Kubernetes and Red Hat OpenShift,
- Ask an OpenShift Admin Office Hour – Installation methods redux,
- OpenShift roadmaps,
- Red Hat OpenShift Container Platform Architecture Design Guide for PCI DSS V3.2.1,
- How to create TLS/SSL Certificate with Cert-Manager Operator on Red Hat OpenShift (31min),
- OpenShift OCS Multisite Disaster Recovery Guide,
- Deep Dive with RHACM and Submariner – Connecting multicluster overlay networks,
- Connecting stateful applications in multicluster environments with RHACM and Submariner,
- Virtual Machines or Containers? The answer is Both!
- How to create new users in OpenShift with htpasswd and OAuth,
- Integrating Gatekeeper with Red Hat Advanced Cluster Management for Kubernetes,
- 3Scale Mini-Guide: Deploy APICast outside of Openshift,
- Using a custom devfile registry and C++ with Red Hat CodeReady Workspaces,
- Automatic Installation of a Windows VM Using OpenShift Virtualization,
- RH-SSO (Keycloak) and GitOps,
- Containerize .NET for Red Hat OpenShift: Linux containers and .NET Core,
- Introducing kube-burner, A tool to Burn Down Kubernetes and OpenShift,
- A brief intro to Red Hat OpenShift for Node.js developers,
- Deploying the Mosquitto MQTT message broker on Red Hat OpenShift, Part 1,
- Ask an OpenShift Admin Office Hour – Day 2 Operations, Part 1,
- Create alerts for OpenShift user workload,
Containers:
Service Mesh:
RHEL:
- How to install Jitsi meet on CentOS 8,
- CentOS Community Newsletter, April 2021 (#2104),
- CentOS Hyperscale SIG Quarterly Report for 2021Q1,
- Red Hat Launches Red Hat Learning Subscription Premium,
- Get started with clang-tidy in Red Hat Enterprise Linux,
- Accelerating Network Packet Processing on RHEL 8.3 with Intel Gen 3 Ice Lake Xeon,
- Deploy Quarkus everywhere with Red Hat Enterprise Linux (RHEL),
- What’s new with Quarkus? And other updates in Red Hat Runtimes,
- Edge computing optimization with open source technologies,
- An introduction to firewalld rules and scenarios,
- Configuring RHEL 8 for compliance with crypto-policy related to Cipher Block Chaining,
- The real motivation behind systemd,
- Automating a RHEL 8 Installation Using the VMware REST Ansible Collection,
- An Introduction to Convert2RHEL: Now officially supported to convert RHEL-like systems to RHEL,
- Optimizing server utilization in datacenters by offloading network functions to NVIDIA BlueField-2 DPUs,
- Free RHEL Is Also RHEL,
- How to Install PrestaShop with Apache and Let’s Encrypt SSL on CentOS 8,
- How to Install Angular CLI on CentOS 8,
- These Microsoft SQL Server on RHEL 8 benchmark results might surprise you,
- Custom RPMS and meta-rpm on CentOS and Raspberry Pi 4,
- Vulnerability analysis for Golang applications with Red Hat CodeReady Dependency Analytics,
- Looking for a CentOS Replacement? Start Here,
- Creating a VXLAN overlay network with Open vSwitch on CentOS 8,
Miscellaneous:
- 5 obscure but useful Linux commands for sysadmins,
- C# 9 pattern matching,
- Getting Started With Ansible BGP Global Resource Modules,
- Using network bound disk encryption with Stratis,
- Setting up UEFI HTTP boot with libvirt,
- Build even faster Quarkus applications with fast-jar,
- What’s happening in the Node.js community,
- Using a schema registry to ensure data consistency between microservices,
- Scaling your applications faster with EC2 Auto Scaling Warm Pools,
- Topic 3.2 Searching and Extracting Data from Files in Linux (40min),
- AWS replaces ElasticSearch/Kibana with OpenSearch,
- Ansible and Fedora/EPEL packaging status,
- Scheduling tasks with cron,
- C# 9 new features for methods and functions,
- OpenStack’s history, community, and 7 of its core projects,
- 6 tcpdump network traffic filter options,
- 6 options for tcpdump you need to know,
- 6 advanced tcpdump formatting options,
- 2021 state of Chaos Engineering,
- Automating ServiceNow with Red Hat Ansible Automation Platform,
- How to use Ansible to send an email using Gmail,
- 5 processor architectures making machine learning a reality for edge computing,
- Performance best practices and configuration guidelines for SQL Server on Linux,
- Mandrel: A specialized distribution of GraalVM for Quarkus,
- Announcing HashiCorp Terraform 0.15 General Availability,
- Fedora Workstation 34 feature focus: Btrfs transparent compression,
- Fail fast with Opossum circuit breaker in Node.js,
- How to use Ansible to configure a reverse proxy,
- The New Illustrated TLS Connection,
- How to Test Website Loading Speed in Linux with curl,
- Use the DNF local plugin to speed up your home lab,
- Broadening GCC compiler checks for buffer overflows in _FORTIFY_SOURCE,
- Using the SystemTap Dyninst runtime environment,
- Topic 3.3 Linux Essentials Bash Scripting -Tuning Commands into Scripts (55min).
Kubernetes:
- Monitoring Kubernetes with prometheus-operator (23min),
- K8GB – Kubernetes Global Balancer,
- Of Kubernetes unsafe sysctls & performance optimization on EKS,
- Logging in Kubernetes with Loki and the PLG Stack,
- Thanos v0.19.0 release announcement,
- What’s new in Kubernetes 1.21?
- Design event-driven integrations with Kamelets and Camel K,
- Benchmarking and Evaluating Your Kubernetes Storage with Kubestr,
- Argo Workflows 3.0 Released!
- Graceful shutdown of fpm and nginx in Kubernetes,
- Testing the Operator SDK and making a prefetch mechanism for Kubernetes,
- Bare metal host provisioning integration for Kubernetes,
- Learnings From Two Years of Kubernetes in Production,
- k0s: Zero Friction Kubernetes,
- Managing a Kubernetes cluster with Helm and FluxCD,
OpenShift:
- DevSecOps is the Way: Monthly OpenShift Security Series,
- Quickly Set Up an OpenShift Development Cluster for Your Team Using CodeReady Workspaces,
- Recap: OKD 4 Testing and Deployment Workshop – Videos and Additional Resources,
- Ask an OpenShift Admin Office Hour – DNS and cluster networking,
- Regenerating Kubeconfig for system:admin user in Openshift clusters,
- Sneak peek into Red Hat OpenShift Service on AWS (ROSA),
- The Path to Improving the Experience With RHEL Entitlements on OpenShift,
- Surviving The API Storm With API Priority & Fairness,
- Red Hat OpenShift on Amazon (ROSA) is GA!
- Metrics-Driven Pod Constraints,
- How to setup the OpenShift Container Platform 4.7 on your local machine,
- Kubernetes API Event Driven Triggering of Tekton Pipelines,
- How to make a PXE Boot Menu to install Openshift 4.x (31/03/2021),
- Achieving Accurate Vulnerability and Compliance Scanning for OpenShift Images and Containers,
- Deploy integration components easily with the Red Hat Integration Operator,
- Shifting left: Davie Street Enterprises implements DevSecOps,
- Crossplane as an abstraction platform to manage and deploy service Operators,
- Ask an OpenShift Admin Office Hour – CNI plugins and Multus,
Containers:
Storage:
Service Mesh:
RHEL:
- Red Hat Enterprise Linux 8.4 Beta now available,
- How to install ReactJS with Nginx proxy on CentOS 8,
- Security and management improvements in Red Hat JBoss Enterprise Application Platform 7.4 Beta,
- Creating a backup of data stored in a Linux virtual machine,
- Almalinux 8.3 Is Released As A Stable RHEL Clone For Those Who Liked CentOS,
- AlmaLinux 8.3, Forever Free CentOS Replacement Released,
- CloudLinux Launches AlmaLinux, CentOS Linux clone,
- Install Varnish Cache 6 for Apache/Nginx on CentOS 8,
- Accelerate your DevOps journey with a trio of training offerings from Red Hat,
- Get started with XDP,
- How to Install Passbolt Self-Hosted Password Manager on CentOS 7,
- The Long-Term Outlook for CentOS 7 Support,
- How To Install Joomla On Centos 8,
- CentOS CPE Weekly: 2021-03-31,
- Red Hat Satellite 6.8.5 has been released,
- Installing and configuring Jenkins in Linux,
Miscellaneous:
- A Tale of Two Network Automation Surveys,
- Announcing HashiCorp Vault 1.7,
- Network address translation part 3 – the conntrack event framework,
- Try these 5 diagramming tools for network architecture,
- A sysadmin’s favorite Linux history command line hack,
- Distributed Monitoring 101,
- Topic 2.4 Linux Essentials Managing Files and Directories (38min),
- Setting up a VM on Fedora Server using Cloud Images and virt-install version 3,
- All The Important Features and Changes in Python 3.10,
- 6 OpenSSL command options that every sysadmin should know,
- Using KDC Proxy to authenticate users,
- C# 9 top-level programs and target-typed expressions,
- Exploring the differences between sudo and su commands in Linux,
- Troubleshoot Boot and Networking Issues with New EC2 Serial Console,
- Playing with modular synthesizers and VCV Rack,
- How to manage Linux passwords with the pass command,
- 8 steps to developing an Ansible role in Linux,
- How to deploy services with Ansible on both Windows and Linux ?
- How to use OpenSSL and the Internet PKI on Linux systems,
- Topic 3.1 Linux Essentials Archiving Tools (38min).
Kubernetes:
- Gitlab CI/CD on Kubernetes,
- Kubernetes: what are Endpoints,
- Knative Eventing with Kafka and Spring Cloud,
- Getting started with KSOPS,
- Running Kafka command-line tools,
- Using Dekorate to generate Kubernetes manifests for Java applications,
- DevConf.cz 2021: Making Kubernetes Safer with User Namespaces (21min),
- Low-budget self-hosted Kubernetes,
- Kubernetes Security,
- Multi-cluster monitoring with Thanos,
- Nova: find outdated or deprecated Helm charts running in your cluster,
- Set up Your K3s Cluster for High Availability on DigitalOcean,
- Free ebook: Production Kubernetes,
OpenShift:
- Connecting with sigstore,
- Ask an OpenShift Admin Office Hour – etcd: The heart of Kubernetes,
- Working With Operating System Templates in OpenShift Virtualization,
- K8s Integrity Shield (tech-preview): Protecting the Integrity of Kubernetes Resources with Signature,
- Asynchronous Data Replication with Scribe,
- Planning your containerization strategy on Red Hat OpenShift,
- Sizing Applications in Kubernetes,
- Azure Red Hat OpenShift Workshop,
- Three ways to containerize .NET applications on Red Hat OpenShift,
- Backup and Restore of Kubernetes Stateful Application Data with CSI Volume Snapshots,
- Airgap Installation for OpenShift Operators,
- Making Chaos Part of Kubernetes/OpenShift Performance and Scalability Tests,
- Is your Operator Air-Gap Friendly?
- Davie Street Enterprises embraces GitOps with GitLab,
- [What’s Next] OpenShift Roadmap Update [Mar-2021] (63min),
- How to use the Certificate Policy Controller to Identify Risks in Red Hat Advanced Cluster Management for Kubernetes,
- Ask an OpenShift Admin Office Hour – OpenShift + VMware = BFF!
- Keycloak OIDC Identity Provider for OpenShift,
- How do OpenShift Over The Air Updates Work?
- Rancher vs. OpenShift: Platform and Feature Comparison,
- How to Install Kasten K10 on OpenShift,
- DevSecOps with Tekton and OpenShift,
- Accessing a remote CodeReady Containers installation with macOS,
- Monitor Node.js applications on Red Hat OpenShift with Prometheus,
- How to Offer Service Running on OpenShift on AWS to Other AWS VPCs Privately,
- Install GitLab Runner on Red Hat OpenShift,
- Quick tips for the OpenShift oc client,
- DevConf.cz 2021: Building High Quality OpenShift Applications (21min) / (slides),
- Red Hat OpenShift Service on AWS is now Generally Available,
- Using the NVIDIA GPU Operator to Run Distributed TensorFlow 2.4 GPU Benchmarks in OpenShift 4,
- Creating a Windows Base Image for OpenShift,
- Integrate Red Hat’s single sign-on technology 7.4 with Red Hat OpenShift (25/03/2021),
Containers:
- Running pi-hole as a podman container in Fedora,
- Technology preview: Running a container inside a container,
- How to use Docker Security Scan Locally,
- A Security Comparison of Docker, CRI-O and Containerd,
- Migrate from Docker to Containerd in Kubernetes,
- Building a container by hand using namespaces: The mount namespace,
- Everything You Need to Know About Moving from Docker in RHEL 7 to Podman in RHEL 8,
- Quay.io Will Require a Red Hat Account After June 30, 2021… Wait, What?
- How to replace Docker with Podman on a Mac,
- Getting into the weeds with Buildah: The buildah unshare command,
Service Mesh:
RHEL:
- Simplify troubleshooting RHEL system configurations with Red Hat Insights Drift service,
- Using RHEL with your no-cost Red Hat Developer Subscription for Individuals with KVM,
- New Old Bugs in the Linux Kernel,
- No quarters needed: The Red Hat Arcade is now live!
- CentOS CPE Weekly Report: 2021-02-26,
- CentOS CPE Weekly: 2021-03-05,
- How To Implement Browser Caching with Nginx’s header Module on CentOS 8,
- What commands are missing from your bashrc file?
- Install and Use NoMachine Remote Desktop on CentOS 8,
- Red Hat and Node.js: An Introduction,
- How Install and Configure a Docker Swarm Cluster on CentOS 8,
- Using Red Hat’s support tool at the command line to solve real-world problems,
Certifications:
Miscellaneous:
- Getting started with PromQL,
- Linux scripting: 3 how-tos for while loops in Bash,
- How I used Ansible to automate updates at home,
- No more Java in vscode-xml 0.15.0!
- How to install an Ansible collection on a disconnected Ansible control node,
- Gaining Help in Linux: Topic 2.2 Linux Essentials (27min),
- An introduction to Ansible facts,
- Monitor a UPS with a Raspberry Pi Zero W,
- NVMe vs M.2: What’s the difference?
- 5 things Enterprise Architects should know about microservices,
- Fedora Workstation 34 Feature Focus: Updated Activities Overview,
- What to look for in Fedora Workstation 34,
- Bash scripting: How to read data from text files,
- Bash scripting: How to write data to text files,
- Announcing the Red Hat Enterprise Linux Certified Ansible Collection,
- 4 cool new projects to try in COPR for March 2021,
- Managing Python dependencies with the Thoth JupyterLab extension,
- Getting started with PostgreSQL on Linux,
- Topic 2.3 Linux Essentials (39min),
- Tips on managing IoT devices at the edge with Red Hat Ansible Automation,
- Productivity with Ulauncher,
- Introduction to Linux Bash programming: 5 `for` loop tips,
- Announcing the release of Fedora Linux 34 Beta,
- PromQL for Humans,
- Organizing Your AWS Environment Using Multiple Accounts,
- How to identify potentially vulnerable network daemons on your Linux systems,
- Db2 and Oracle connectors coming to Debezium 1.4 GA,
- Open RAN and O-RAN in Brief.
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