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.
Kubernetes:
- Graceful shutdown of fpm and nginx in Kubernetes,
- Universal OPA Policies Development,
- Spring Boot on Knative,
- Autoscaling Redis applications on Kubernetes,
- KubeEye: An Automatic Diagnostic Tool that Provides a Holistic View of Your Kubernetes Cluster,
- Delivering more flexible and tailored cloud-native management with the latest version of Red Hat Advanced Cluster Management for Kubernetes,
- Operators over easy: an introduction to Kubernetes Operators,
- Attacking Kubernetes Clusters Through Your Network Plumbing: Part 1,
- Breaking down and fixing etcd cluster,
- Building Kubernetes Clusters using Argo and Kubernetes,
- Argo Workflows v3.0,
- Hassle-free multi-tenant K8S clusters management using Argo CD,
- Berglas: A tool for managing secrets on Google Cloud,
- Open-sourcing kube-secret-syncer: A Kubernetes operator to sync secrets from AWS Secrets Manager,
- Rancher, up and running, on EC2 – 1 – One node,
- Rancher, up and running, on EC2 – 2 – Three nodes,
- Rancher, up and running, on EC2 – 3 – Rancher setup,
- What are the key Kubernetes metrics that you have to monitor?
- Scaling Celery workers with RabbitMQ on Kubernetes,
- Kubernetes – Pod Security Policies,
- Getting Started with Kubernetes,
OpenShift:
- OpenShift 4.7: Quick Starts Extensibility,
- Packaging APIs for consumers with Red Hat 3scale API Management,
- How to install and configure Kasten to protect container workloads on Red Hat OpenShift and VMware vSphere,
- Updating a Boot Source Image,
- OpenShift 4.7: Node Feature Discovery Update,
- OpenShift 4.7: Windows Container Support for Red Hat OpenShift on vSphere,
- User namespace support in OpenShift 4.7,
- Red Hat OpenShift Logging v5.0 Is Here And This Is What You Can Expect,
- How to Deploy Operators on Disconnected Environments,
- OpenShift 4.7: Straight From the Source – OperatorHub Catalog Source UI Enhancements,
- Empowering Developers in the OpenShift Console,
- Sending Alerts to Slack in OpenShift,
- OpenShift Home Lab and Block Storage,
- Initializing Databases in OpenShift Deployment,
- OpenShift User Application Monitoring and Grafana the GitOps way!
- API Testing in OpenShift Pipelines with Newman,
- Building a Simple Up/Down Status Dashboard for OpenShift,
- Updating Kustomize Version in ArgoCD,
- Managing OpenShift Cluster Configuration with GitOps,
- Install Red Hat OpenShift Platform 4.4.3 in disconnected network environment on bare metal VMs,
- Configuring Openshift Container Storage with Local disks on workers,
- Horizontal Pod Autoscaling of Quarkus Application Based on Memory Utilization,
- How to create your WordPress developer stack on OpenShift 4,
- Ask an OpenShift Admin Office Hour – VMs in OpenShift?
- What’s new in Red Hat OpenShift’s Web Terminal Operator 1.2,
- New developer quick starts and more in the Red Hat OpenShift 4.7 web console,
- Cloud Native AppDev without Tears – Using odo to Boost your Workflow,
- OpenShift Virtualization 4.7 Highlights,
- Customizing OpenShift 4 baremetal IPI network at installation time,
- Deploying Node.js applications to Kubernetes with Nodeshift and Minikube,
- A guide to Red Hat OpenShift 4.5 installer-provisioned infrastructure on vSphere,
- Provision Red Hat CoreOS (RHCOS) Machines With Custom V3 Ignition Files,
- OpenShift 4.7 – All the Information, All the Blogs,
- Demystifying Operator deployment in OpenShift,
- Multiple users in user namespaces on OpenShift,
- OpenShift compliance operator documentation,
- Kasten K10 by Veeam on Red Hat OpenShift,
Containers:
Service Mesh:
RHEL:
Certifications:
Miscellaneous:
- Automating Red Hat Virtualization with Red Hat Ansible Automation Platform,
- The State of Enterprise Open Source 2021: Four results that may surprise you,
- Tips for using screen,
- Tips for using tmux,
- Red Hat Introduces Latest Update to Red Hat Process Automation,
- SAP HANA 2.0 Certified on RHEL 8.2 and 7.9: Top 5 reasons why you should care,
- Understanding Sockets,
- The Urban Penguin: Topic 2.1 Linux Essentials (46min),
- Introduction to the Node.js reference architecture, Part 1: Overview,
- How to use Poetry to manage your Python projects on Fedora,
- An introduction to JavaScript SDK for CloudEvents,
- Using Nmap results to help harden Linux systems,
- Linux sysadmins: What’s your favorite IDE?
- 3Scale Mini-Guide – APICast Self-Managed for On-Premise deployments,
- What’s New in the Ansible Content Collection for Kubernetes – 1.2,
- An illustrated guide to CQRS data patterns,
- Introducing sigstore: software signing for the masses,
- Write your own Red Hat Ansible Tower inventory plugin,
- The effects of adding users to a Linux system,
- Keeping Linux files and directories in sync with rsync.
Kubernetes:
- Kubernetes-event-exporter: Export Kubernetes events to multiple destinations with routing and filtering,
- Create a Highly Available Kubernetes Cluster Using Keepalived and HAproxy,
- Working with kubernetes configmaps, part 1: volume mounts,
- Kubernetes monitoring with Prometheus, the ultimate guide,
- Nova: Find outdated or deprecated Helm charts running in your cluster,
- Kubeconform: a FAST Kubernetes manifests validator, with support for Custom Resources!
- Set up Your K3s Cluster for High Availability on DigitalOcean,
- Kubernetes admission controllers in 5 minutes,
- Blue-green deployment with a database on Kubernetes,
- Multihost deployments with Kubeinit,
- NVIDIA GPU Operator: Simplifying GPU Management in Kubernetes (15min),
- Adding More Support in NVIDIA GPU Operator,
- Running GPU workloads on OpenShift (25min),
- How to Backup and Restore MySQL on Scality RING using Kasten K10,
- Breaking down and fixing Kubernetes,
- Topology Awareness in Kubernetes Part 2: Don’t we already have a Topology Manager?
- A tool to manage the lifecycle of applications on a Kubernetes platform,
- Kubernetes Cluster Over-Provisioning: Proactive App Scaling,
- Custom policies in Red Hat 3scale API Management, Part 1: Overview,
- Rolling out and Rolling back updates with Zero Downtime on Kubernetes Cluster,
- Sysdig contributes Falco’s kernel module, eBPF probe, and libraries to the CNCF,
- kubectl-view-webhook: a tool to visualize critical parts of the admission webhook configuration resource,
- Advertising Kubernetes Service IPs with Calico and BGP,
- How to monitor coreDNS,
- Headlamp: an easy-to-use and versatile web UI for Kubernetes,
- ArgoCD backup cronjob – DRP,
- Sticky Sessions in Kubernetes,
OpenShift:
- OpenShift, Databases and You: When to Put Containerized Database Workloads on OpenShift,
- Creating an Argo Workflow With Vault Integration Using Helm,
- Home Lab Setup for OpenShift Remote Workers Using WireGuard,
- Topology Aware Scheduling in Kubernetes Part 1: The High Level Business Case,
- Business Centric AI/ML With Kubernetes – Part 2: Data Preparation,
- Business Centric AI/ML With Kubernetes – Part 3: GPU Acceleration,
- How to work around Docker’s new download rate limit on Red Hat OpenShift,
- How to create a TLS/SSL certificate with a Cert-Manager Operator on OpenShift,
- DevConf.cz: OpenShift Serverless Functions: CLI to Cluster in 3 Minutes,
- DevConf.cz: Building High Quality Openshift Applications,
- DevConf.cz: Making a WordPress developer stack on OpenShift 4 (19min) / slides,
- DevConf.cz: Preventing catastrophes using OpenShift data,
- DevConf.cz: Processing OpenShift 4 health data at scale,
- DevConf.cz: Openshift for low latency and real time workloads,
- Enabling Tanzu Mission Control Data Protection on Red Hat OpenShift,
- OpenShift Administrator’s Office Hour – Windows Containers,
- Cloud-Native Database GitOps on OpenShift,
- Automatic Open Source-based Data Pipelines? Openshift To the Rescue!
- Create, scale, upgrade, and rollback an application on Red Hat OpenShift,
- How Full Is My Cluster, Part 6: Proactive Node Autoscaling,
- Installing Red Hat OpenShift API Management,
- 5 steps to manage your first API using Red Hat OpenShift API Management,
- Announcing OpenShift GitOps,
- Red Hat OpenShift 4.7 Is Now Available,
- OpenShift Container Platform 4.7 Release Notes,
- What’s New in OpenShift Virtualization in OCP 4.7,
- Business Centric AI/ML With Kubernetes – Part 4: ML/OPs,
- OpenShift 4.7: Added Support for Localization and Language,
- How the oc debug command works in OpenShift,
- Running an OpenShift Worker Node on AWS Wavelength for Edge Applications,
- OpenShift.tv: Ask an OpenShift Admin – What’s new in OpenShift 4.7,
- Building a simple contextual chatbot with Rasa and OpenShift Pipelines,
Containers:
Storage:
Service Mesh:
RHEL:
- Bringing Red Hat Resilient Storage to the public cloud,
- CentOS Stream: Why it’s awesome,
- CentOS Creator Gregory Kurtzer Discusses His New Distro, Rocky Linux,
- X.509 user certificate authentication with Red Hat’s single sign-on technology,
- Getting Started With Performance Tuning (6min),
- Migrate To AlmaLinux From CentOS 8 Using Almalinux-deploy Script,
- The history of open source risk reporting,
- Red Hat Product Security risk report 2020,
- Defense in depth with Red Hat Insights,
- Converting from CentOS Linux 8 to CentOS Stream 8 (1min),
- How To Install ERPNext on CentOS 8,
- How to Install Shopware 6 with NGINX and Let’s Encrypt on CentOS 8,
- Install and Use Guacamole Remote Desktop on CentOS 8,
- Extending no-cost Red Hat Enterprise Linux to open source organizations,
- Managing loop devices in CentOS 8 / RHEL 8 (34min),
Certifications:
Miscellaneous:
- Handling secrets in your Ansible playbooks,
- Red Hat Satellite 6.9 Beta now available with Smart Management,
- Sysadmin hardware: Considerations for planning a PC build,
- How to use LVM snapshots to restore Linux systems,
- Ansible 3.0.0 Q&A,
- Announcing the Community Ansible 3.0.0 Package,
- Red Hat Ansible Automation Platform Product Status Update,
- A first look into Azure VMware Solution,
- PromQL for Humans,
- An illustrated guide to 12 Factor Apps,
- Move your Linux from legacy BIOS to UEFI in place with minimal downtime,
- Introduction to ansible-test,
- Five key tips to start your network automation adoption journey,
- Using Irssi inside a Linux tmux session,
- How to use the sipcalc Linux command line tool,
- Debuginfod project update: New clients and metrics,
- Tips for writing portable assembler with GNU Assembler (GAS),
- Sysadmin university: Quick and dirty Linux tricks.
Kubernetes:
- Kubernetes – Pod Security Policies,
- Kubenurse: Kubernetes network monitoring and export of metrics as Prometheus endpoints,
- Writing Kubernetes Sample Controller in Java,
- Deploying Kubernetes Operators with Operator Lifecycle Manager bundles,
- An example of using dynamic client of k8s.io/client-go,
- How to Set Up and Manage Logs with Kubernetes,
- Top Kubernetes YAML Validation Tools,
- Helm: reusable chart – named templates, and a generic chart for multiple applications,
- How to setup a Kubernetes Cluster on AWS using Kops,
- Auto-labeling Kubernetes resources with Kyverno,
- Making Sense of Taints and Tolerations in Kubernetes,
- Running Windows containers on the Azure Kubernetes Service (AKS),
- iptables: How Kubernetes Services Direct Traffic to Pods,
- sKan: Scan Kubernetes resource files and helm charts for security configurations issues and best practices,
- PowerfulSeal: A powerful testing tool for Kubernetes clusters,
- Open Policy Agent (OPA): Up and Running,
- K8s Deployments & Replicasets – Part1,
- How a Kubernetes Pod Gets an IP Address,
- K8up: Kubernetes Backup Operator,
- Create Kubernetes Objects with YAML – Lesson from Hands on Kubernetes Video Training (22min),
- Introducing Coil v2, a Kubernetes network plugin to build Egress gateway,
- Fast vs Easy: Benchmarking Ansible Operators for Kubernetes,
- Extending applications on Kubernetes with multi-container pods,
OpenShift:
- Java Development on OpenShift with odo,
- Address CVEs Using Red Hat Advanced Cluster Management Governance Policy Framework,
- Running Microsoft SQL Server 2019 on OpenShift using Red Hat OpenShift Container Storage,
- OpenShift Administrator’s Office Hour: Disconnected OpenShift (61min),
- Migration Toolkit for Containers (7min),
- Extending OpenShift Security and Observability for Kubernetes Networking and Microservices with Calico Enterprise from Tigera,
- Introduction to OpenShift,
- Openshift Security Series – Part 1,
- OpenShift Console Meets GraphQL Over WebSocket,
- Using an external registry with OpenShift 4,
- What makes Azure Red Hat OpenShift a streamlined experience for developers?
- Enhancing the development loop with Quarkus remote development,
- Developing your own custom devfiles for odo 2.0,
- OpenShift Administrator’s Office Hour – Controlling Pod Resource Consumption,
- 8 Answers to 7 OpenShift Questions,
- RedHat released a series of 80’s style arcade games,
- DevConf.cz: OpenShift Multi-Cluster Management with RHACM,
- Hybrid Cloud Disaster Recovery on OpenShift,
- Moov to Digital Banking on OpenShift,
Storage:
Containers:
- Red Hat Quay 3.4 Is Here,
- OpenShift Container Registries,
- Deliver your applications to edge and IoT devices in rootless containers,
- Dragonfly image service, providing fast, secure and easy access to container images,
- The Docker Handbook – 2021 Edition,
- Easy Development Dependency Management With Podman and Tent,
- How to setup Kafka cluster for 15K events per second on AWS using Docker,
- Easyseccomp: DSL language to write seccomp filters,
- CentOS Stream Container images available on quay.io,
- DevSecOps: Image scanning in your pipelines using quay.io scanner,
- Podman Release v3.0.0,
- How to use Docker Security Scan Locally,
- Installing Nextcloud 20 on Fedora Linux with Podman,
- 8 Tips for reliable automation for Linux container builds,
Service Mesh:
RHEL:
- CentOS Dojo videos,
- How to change the identity of a Linux system,
- Red Hat Summit Virtual Experience 2021 registration is live!
- Visualizing System Performance with RHEL 8 Part 3: Kernel Metric Graphing with Performance Co-Pilot, Grafana, and Bpftrace,
- STIG Security Profile in Red Hat Enterprise Linux 7,
- DHCP server setup in RHEL 8,
- Automate RHEL installations with PXE Boot server,
- How to use Red Hat Insights to maintain your Linux systems,
- DISA Has Released the Red Hat Enterprise Linux 8 STIG,
- How to activate your no-cost Red Hat Enterprise Linux subscription,
- How to Install EtherCalc on CentOS 8,
- CentOS CPE Report: 2021-02-05,
- CentOS Dojo @ FOSDEM, 2021,
- CentOS Community Newsletter, February 2021 (#2102),
- Hardening HashiCorp Vault with SELinux,
- Get started with RHEL for Edge,
- Understanding Multipath TCP: High availability for endpoints and the networking highway of the future,
- Automating mixed Red Hat Enterprise Linux and Windows Environments,
- How to Install Kanboard Project Management Software on CentOS 8,
- How to Install PostGIS PostgreSQL database extender on CentOS 8,
- Frozen SELinux Troubleshooting – Fixing issue after resetting root password (9min),
- CentOS CPE Weekly: 2021-02-14,
- How to Install MongoDB on Ubuntu 20.04 and CentOS 8,
Certifications:
Miscellaneous:
- How Red Hat ported OpenJDK to 64-bit Arm: A community history,
- Red Hat Satellite 6.8.3 has been released,
- Authentication and Authorization: The key to Single Sign-In (SSO) workflow,
- Using Node.js? The OpenJS Foundation would like to hear your feedback,
- How to automate system reboots using the Ansible reboot module,
- 3 career opportunities for IT Architects in 2021,
- Enumerating a new network with Nmap,
- 6 overlooked facts of microservices,
- Automating IP Address Management with Red Hat Ansible and Infoblox,
- Ansible resources,
- Capturing network traffic in an eXpress Data Path (XDP) environment,
- Fedora Aarch64 on the SolidRun HoneyComb LX2K,
- Open Data Hub 1.0.0 Release Guide,
- Yandex.Tank: load testing tool – an overview, configuration, and examples,
- Spring Boot on Quarkus: Magic or madness?
- Add standardized support information to your Node.js modules,
- Got automation? Here’s a quick guide to get you up to speed on Ansible,
- Basic concepts of encryption in cryptography,
- RabbitMQ,
- Network address translation part 2 – the conntrack tool,
- Quarkus – The next wave of kubernetes native Java framework,
- Advanced Git Features You Didn’t Know You Needed,
- Integrating Spring Boot with Red Hat Integration Service Registry,
- Cockroach Labs 2021 Cloud Report,
- DevConf.CZ: ACME: Certificate management has never been easier,
- Avoid cost overruns: How to manage your quotas programmatically.
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