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.
Kubernetes:
- Kubernetes Network Policy,
- Building a Kubernetes Mutating Admission Webhook,
- Leveraging Kubernetes audit logs for threat detection,
- dyff: diff tool for YAML files,
- Telepresence: How to run a service locally,
- What is GitOps? (6min),
- Scaling Kubernetes to 7,500 Nodes for Machine Learning Research,
- K8s in 30 mins,
- How to Protect AKS Clusters on Azure Stack with Kasten K10,
- Kubernetes Backup and Restore for MySQL using Kasten K10,
- How to Configure K10 with RBAC for Multi-Tenant Environments,
- How to Configure K10 with OIDC Based Authentication Using Okta,
- auger: a tool to directly access data objects stored in etcd by kubernetes,
- Helm: reusable chart – named templates, and a generic chart for multiple applications,
- A visual guide on troubleshooting Kubernetes deployments,
- Adding Master Nodes to Achieve HA: One of the Best Practices for Using KubeKey,
- Deploying the OpenTelemetry Collector on Kubernetes,
- Update & Delete Kubernetes resources in one-line command,
- Benchmarking Kubernetes infrastructure using K-Bench,
- kubectl-sudo: run kubernetes commands with the security privileges of another user,
- Kubernetes explained deep enough: Services,
- Which Kubernetes distribution to choose for on-premise environments?
- How to deploy Applications on Kubernetes using Helm,
- How to go from Docker to Kubernetes the right way,
- Terraform: don’t use kubernetes provider with your cluster resource!
- Kubernetes Best Practices,
- Updates to the HashiCorp Learn’s Vault-Kubernetes Collection,
OpenShift:
- Getting Started with MongoDB in OpenShift Using the Percona Server for MongoDB Kubernetes Operator,
- Closed Box Monitoring, the Artist Formerly Known as Black Box Monitoring,
- Validating OpenShift Manifests in a GitOps World,
- What Red Hat OpenShift Dedicated and Azure Red Hat OpenShift Customers Should Know about the January 2021 “sudo” Flaw,
- Test Run Pre-GA Red Hat OpenShift on AWS (ROSA),
- Your OpenShift Cluster, Health Checks, Insights and You,
- Application and data resiliency for Kubernetes,
- Red Hat: Why CVE2020-8554 Is No Kubernetes Apocalypse,
- Red Hat + Kasten: Kubernetes Backup with OpenShift Container Storage,
- Dynamic Admission Control,
- How to Compile a Feature List Across Kubernetes Clusters,
- Three Ways to use BIG-IP w/ OpenShift 4 (13min),
- OpenShift Administrator’s Office Hour – Sizing OpenShift Clusters and Nodes,
- Write a Quarkus function in two steps on Red Hat OpenShift Serverless,
- 7 OpenShift Questions and 8 Answers,
- OpenShift and Let’s Encrypt,
- Windows Containers on OpenShift (59min) / slides,
- Understanding OpenShift Route,
- Thanos Querier Versus Thanos Querier,
- Nested OpenShift using OpenShift Virtualization,
- Using the Multus CNI in OpenShift,
Containers:
- Tutorial: Host a Local Podman Image Registry,
- An Introduction to Podman,
- Introduction to ContainerJFR: JDK Flight Recorder for containers,
- From Docker Compose to Kubernetes with Podman,
- Avengers of Container World – Episode 2: Buildah & Skopeo Hands On,
- Lifecycle of a container on Cloud Run,
- Container Plumbing Conference (9-10/03/2021),
- Manage containers with Podman Compose,
- Nextcloud with podman rootless containers and user systemd services. Part I – Introduction,
- Nextcloud with podman rootless containers and user systemd services. Part II – Nextcloud pod,
- How to lighten the load on your container registry using Quay.io,
- Building Docker Images The Proper Way,
- Buildah version 1.19.0 Release Announcement,
- Building a Beautiful Docker Image for OpenShift,
Service Mesh:
RHEL:
- Central logging setup in Rhel 8,
- SFTP server setup in Rhel 8,
- Setting up stratis filesytem on Rhel 8,
- Disk Encryption on Rhel 8,
- A brief introduction to Ansible roles for Linux system administration,
- Converting from CentOS Linux 8 to CentOS Stream (3min),
- Insight into CentOS decision,
- CloudLinux Hopes to Release AlmaLinux, Its CentOS Replacement, This Week,
- Zabbix installation on Rhel 8,
- Secure ssh connections on linux,
- Visualizing system performance with RHEL 8 using Performance Co-Pilot (PCP) and Grafana (Part 2),
- Serious security bug in sudo,
- Cracks are showing in Enterprise Open Source’s foundations,
- Nagios Core installation on Rhel 8,
- Samba server and client setup in Rhel 8,
- How to Configure Nginx as a Web Server and Reverse Proxy for Apache on CentOS 8,
- How to Convert CentOS 8 to CentOS Stream,
Certifications:
Miscellaneous:
- VLC media player installation on Fedora 33,
- How to install Telegram Desktop on Fedora 33,
- How to set up SSH dynamic port forwarding on Linux,
- Introduction to Thunderbird mail filters,
- How to capture terminal sessions and output with the Linux script command,
- How to replay terminal sessions recorded with the Linux script command,
- Static analysis updates in GCC 11,
- Quick start guide to Ansible for Linux sysadmins,
- Fast Tar And Rsync Transfer Speed For Linux Backups Using Zstd Compression,
- How Red Hat ported OpenJDK to 64-bit Arm: A community history,
- Prometheus: Alertmanager Web UI alerts Silence,
- Initscripts’ ifcfg-rh Format in NetworkManager and its Future,
- How to create bootable usb drive in Fedora,
- Astrophotography with Fedora Astronomy Lab: setting up.
Kubernetes:
- Hand-picked Kubernetes jobs,
- Running Windows containers on the Azure Kubernetes Service (AKS),
- Run Kubernetes Pods on Specific VM Types in AKS,
- Tagger: Kubernetes container image management system,
- Kubernetes Init Containers,
- Move2Kube: a command-line tool to accelerate the process of re-platforming to Kubernetes/Openshift,
- NetworkPolicy-DNS: Poor mans DNS NetworkPolicy controller for Kubernetes,
- KubeKey: A Game Changer for the Installation of Kubernetes and Cloud-Native Plugins,
- Kubernetes explained deep enough: Deployments,
- Kubernetes explained deep enough: Configuration,
- Getting started with Tekton and Pipelines,
- Hostport-allocator: A Kubernetes Operator to allocate hostports,
- Guide: Kubernetes Multi-Master HA Cluster with kubeadm,
- 3 Autoscaling Projects to Optimise Kubernetes Costs,
- Self-hosting Kubernetes on your Raspberry Pi,
- Secret backup operator: a Kubernetes operator for backing up secrets,
- Kafka on Kubernetes, the Strimzi way! (Part 1),
- Kafka on Kubernetes, the Strimzi way! (Part 2),
- Kafka on Kubernetes, the Strimzi way! (Part 3),
- Kafka on Kubernetes, the Strimzi way! (Part 4),
- Kubernetes API Priority and Fairness,
OpenShift:
- OpenShift Backup and Recovery with Triliovault (8min),
- OpenShift Backup and Cluster failover with Triliovault (7min),
- OpenShift Backup and Recovery with Kasten K10 (11min),
- OpenShift Backup and Cluster failover with Kasten K10 (6min),
- OpenShift Backup & Recovery with Kastern K10 (17min),
- Securing Kubernetes Clusters with Sysdig and Red Hat Advanced Cluster Management,
- Introducing the Quarkus Helm Chart,
- OpenShift resources,
- Build Your Kubernetes Operator With the Right Tool,
- Implement Policy-based Governance Using Configuration Management of Red Hat Advanced Cluster Management for Kubernetes,
- Contributing and deploying community policies with Red Hat Advanced Cluster Management and GitOps,
- Run Elastic Cloud on Kubernetes on Red Hat OpenShift,
- Creating Windows Virtual Machines from Existing Images with OpenShift Virtualization,
- How to configure Red Hat OpenShift to forward logs to VMware vRealize Log Insight Cloud,
- 10 reasons to develop Quarkus applications on Red Hat OpenShift,
- Operator integration testing for Operator Lifecycle Manager,
- Open Policy Agent and GateKeeper explorations with RHACM,
- Run an automated ML pipeline with Ceph Bucket Notifications, TensorFlow and Flask using Openshift,
- How to build a K8S Operator using Ansible and Operator SDK,
- Aggregate Openshift logs using the Cluster Logging Operator on Local Storage,
- Trace you Replicated cross-region data using AMQ Streams Mirror Maker and Jaeger operators,
- Run Your Business Intelligence Using Presto & Superset, Backed By OpenDataHub and OCS Openshift Operators,
- Cloud DevOps With OpenShift and JFrog,
- OpenShift 4 AWS IPI Installation Getting Started Guide,
- Use vim in a production Red Hat OpenShift container in 6 easy steps,
- Control Regional Access to Your Service on OpenShift Running on AWS,
- Monitoring Infrastructure Openshift 4.x Using Zabbix Operator,
- OpenShift on Red Hat Virtualization,
Containers:
Storage:
Service Mesh:
RHEL:
- IMPORTANT: New Year, new Red Hat Enterprise Linux programs: Easier ways to access RHEL,
- CentOS Dojo, FOSDEM, 2021,
- CentOS December updates,
- CentOS CPE Weekly Report: 2021-01-15,
- How to Install Discourse Forum with Docker on CentOS 8,
- Using OpenSCAP to help achieve HIPAA compliance with Red Hat Enterprise Linux 8.3,
- RDO plans to move to CentOS Stream,
- Visualizing system performance with RHEL 8 using Performance Co-Pilot (PCP) and Grafana (Part 1),
- How to set up tlog on Linux hosts for terminal logging,
- Simple router setup with nftables,
- Local repository setup on Rhel 8,
- Autofs on Rhel 8,
- Openvpn installation on Rhel 8,
- NTP server setup on Rhel 8,
- How to reset root password in Rhel 8,
- How to create VDO volume in Rhel 8,
- FreeIPA server and client installation on RHEL 8,
- Implementing the ACSC “Essential Eight” baseline for security automation in Red Hat Enterprise Linux,
- Five ways to use redirect operators in bash,
Certifications:
Miscellaneous:
- The 7 most used Linux namespaces,
- How to record your Linux terminal using asciinema,
- 5 advanced rsync tips for Linux sysadmins,
- Continuous Security for App Modernization – Why Red Hat Snapped up StackRox,
- Discover Fedora Kinoite: a Silverblue variant with the KDE Plasma desktop,
- Ansible Network Resource Modules: Deep Dive on Return Values,
- An introduction to resilient systems: Leader Election,
- Parler’s New Serverless Architecture,
- New year, new features in Red Hat Runtimes,
- System administration is dead, long live system administration!
- Deploying a virtual TripleO standalone OpenStack system,
- Introduction to OpenStack’s Distributed Compute Nodes,
- Knowledge meets machine learning for smarter decisions, Part 1,
- Knowledge meets machine learning for smarter decisions, Part 2,
- Formatting tricks for the Linux date command,
- Security frameworks help IT Architects know what they don’t know,
- Coming in glibc 2.33: Reloadable nsswitch.conf,
- Deploy your own Matrix server on Fedora CoreOS,
- An introduction to hashing and checksums in Linux,
- Crimson: evolving Ceph for high performance NVMe,
- 5 tips for configuring virtualenvs with Ansible Tower,
- 3 segmentation strategies for edge computing,
- How to use whiptail to create more user-friendly interactive scripts,
- Storage and Distributed Compute Nodes: Bringing Cinder persistent volumes to the edge,
- Announcing HAProxy Data Plane API 2.2,
- Using New Ansible Utilities for Operational State Management and Remediation,
- Advanced Git Tutorial,
- The Various Billing Philosophies of AWS,
- Convert your filesystem to Btrfs,
- Introducing the Red Hat build of Eclipse Vert.x 4.0,
- Zoom installation on Fedora 33,
- How to install Vmware workstation on Fedora 33.
Kubernetes:
OpenShift:
- Accessing your VM Using SSH and the Web Console,
- RBAC & SCC Integration using RoleBinding & ClusterRoleBinding,
- Load Balancing and DNS with Openshift IPI in VMware & On-Premise (Part I),
- Load Balancing and DNS with Openshift IPI in VMware & On-Premise (Part II),
- Create your first serverless function with Red Hat OpenShift Serverless Functions,
- Introduction & Configuration Storage Class & Persistent Volumes (PV/PVC) on OpenShift,
- Dynamic NFS Provisioning in Red Hat OpenShift,
- OpenShift Baremetal Ingress for Telco use cases,
- Cloud Native Model Driven Telemetry Stack on OpenShift,
- How Red Hat OpenShift Addresses NIST 800-190,
- Kubernetes + Serverless by utilizing OpenShift,
- Smart Developers Don’t Code,
- Homelab OpenShift 4 on Baremetal: Part 1,
- Using the new installation method for deploying OpenShift 4.5 on VMware Cloud on AWS,
- Filtering External Registry Images by Signature in OpenShift 4,
Containers:
Storage:
Service Mesh:
RHEL:
- What actions do you take when patching goes wrong?
- Building Red Hat Enterprise Linux 9 for the x86-64-v2 microarchitecture level,
- SELinux troubleshooting and pitfalls,
- How to Install Apache Cassandra on CentOS 8,
- Automate your SAP HANA Scale-Up System Replication Deployment with High Availability,
- SELinux System Administration 3rd Edition book announcement,
- Debuginfo is not just for debugging programs,
- How to Install Matomo (Piwik) Web Analytics on CentOS 8,
- Automating registering RHEL Hosts on Insights with Ansible Tower on AWS,
- How to Set Up Private DNS Servers with BIND on CentOS 8,
- Installing Ansible Tower on RHEL8 using AWS (EC2),
- Ansible Tower: Loading partial Satellite inventories,
- Using DNSSEC with (Free) IPA,
- CentOS Community Newsletter, January 2020 (#2101),
- Integrating a monitoring system with Red Hat Insights,
Certifications:
Miscellaneous:
- Read and writing VMware .vmdk disks,
- Managing Linux users with the passwd command,
- Network address translation part 1 – packet tracing,
- How to enable HTTPS and SSL termination in a Quarkus app,
- Getting started with GIT on Linux,
- Java development on Fedora Linux,
- Message broker integration made simple with Red Hat Fuse,
- Linux commands: How to manipulate process priority,
- Monitoring Apache Airflow using Prometheus,
- Highly Available Ansible Tower deployment on AWS,
- Develop Eclipse MicroProfile applications on Red Hat JBoss Enterprise Application Platform XP 2.0.
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