diff --git a/docs/istio.md b/docs/istio.md
index 0fd65df8..22d29786 100644
--- a/docs/istio.md
+++ b/docs/istio.md
@@ -90,6 +90,7 @@ IstioMesh, PrometheusIO, Flux v2 & Flagger.
- [baeldung.com: Service Mesh Architecture with Istio](https://www.baeldung.com/ops/istio-service-mesh)
- [chrishaessig.medium.com: Multi cluster setup with istio](https://chrishaessig.medium.com/multi-cluster-setup-with-istio-c1c6437f4e8c)
- [elastisys.com: Istio and OAuth2-Proxy in Kubernetes for microservice authentication](https://elastisys.com/istio-and-oauth2-proxy-in-kubernetes-for-microservice-authentication/)
+- [medium.com/@sumudu_liyan: How To Install Istio On Kubernetes Cluster](https://medium.com/@sumudu_liyan/how-to-install-istio-on-kubernetes-cluster-e831c12381b)
## API Access Control
- [medium: API Access Control using Istio Ingress Gateway](https://medium.com/@senthilrch/api-access-control-using-istio-ingress-gateway-44be659a087e)
diff --git a/docs/kubernetes-monitoring.md b/docs/kubernetes-monitoring.md
index 67c266db..5d72de4a 100644
--- a/docs/kubernetes-monitoring.md
+++ b/docs/kubernetes-monitoring.md
@@ -35,6 +35,7 @@
* [==blog.flant.com: Collecting system information from a bunch of Kubernetes clusters==](https://blog.flant.com/collect-system-information-stats-from-kubernetes-clusters/)
* [medium.com/is-it-observable: How to collect metrics in a Kubernetes cluster](https://medium.com/is-it-observable/how-to-collect-metrics-in-a-kubernetes-cluster-9ad4a69aafb0)
* [itnext.io: How to tackle Kubernetes observability challenges with Pixie](https://itnext.io/how-to-tackle-kubernetes-observability-challenges-with-pixie-4c6414ca913)
+* [medium.com/@lucapompei91: Kubernetes observability](https://medium.com/@lucapompei91/kubernetes-observability-17a7875a38f6)
## Kubernetes Logging
- [cncf.io: Logging in Kubernetes: EFK vs PLG Stack](https://www.cncf.io/blog/2020/07/27/logging-in-kubernetes-efk-vs-plg-stack/)
diff --git a/docs/kubernetes-operators-controllers.md b/docs/kubernetes-operators-controllers.md
index 5beae23e..e4a034e6 100644
--- a/docs/kubernetes-operators-controllers.md
+++ b/docs/kubernetes-operators-controllers.md
@@ -52,7 +52,7 @@
- [medium.com: Getting Started With Kubernetes Operators (Ansible Based) β Part 2](https://medium.com/velotio-perspectives/getting-started-with-kubernetes-operators-ansible-based-part-2-472eb0d453b7)
- [velotio.com: Getting Started With Kubernetes Operators (Golang Based) - Part 3](https://www.velotio.com/engineering-blog/getting-started-with-kubernetes-operators-golang-based-part-3)
- [IngressMonitorController (Deprecated)](https://github.com/stakater/IngressMonitorController) A Kubernetes controller to watch ingresses and create liveness alerts for your apps/microservices in UptimeRobot, StatusCake, Pingdom, etc.
-- [RBAC Manager π](https://github.com/FairwindsOps/rbac-manager) A Kubernetes operator that simplifies the management of Role Bindings and Service Accounts. RBAC Manager is designed to simplify authorization in Kubernetes. This is an operator that supports declarative configuration for RBAC with new custom resources. Instead of managing role bindings or service accounts directly, you can specify a desired state and RBAC Manager will make the necessary changes to achieve that state.
+- [==FairwindsOps/rbac-manager: RBAC Manager== π](https://github.com/FairwindsOps/rbac-manager) A Kubernetes operator that simplifies the management of Role Bindings and Service Accounts. RBAC Manager is designed to simplify authorization in Kubernetes. This is an operator that supports declarative configuration for RBAC with new custom resources. Instead of managing role bindings or service accounts directly, you can specify a desired state and RBAC Manager will make the necessary changes to achieve that state.
- [KubePlus - Kubernetes Operator to deliver Helm charts as-a-service π](https://github.com/cloud-ark/kubeplus)
- [kubernetes.io: Writing a Controller for Pod Labels](https://kubernetes.io/blog/2021/06/21/writing-a-controller-for-pod-labels/)
- [kubermatic.com: Why Implementing Kubernetes Operators Is a Good Idea! π](https://www.kubermatic.com/blog/why-implementing-kubernetes-operators-is-a-good-idea/)
@@ -84,7 +84,9 @@
- Sleep your pods: Suspend your pods when no-one's using them, scale down your cluster and save energy
- Reduce CO2 emissions: See how much you save in the Green Dashboard (coming soon)
- [krestomatio/keydb-operator](https://github.com/krestomatio/keydb-operator) A KeyDB (Drop-In Alternative to Redis) Operator for Kubernetes
-- [Keel π](https://github.com/keel-hq/keel) Kubernetes Operator to automate Helm, DaemonSet, StatefulSet & Deployment updates.
+- [Keel π](https://github.com/keel-hq/keel) Kubernetes Operator to automate Helm, DaemonSet, StatefulSet & Deployment updates:
+ - You can use policies to define when to update an application
+ - Users can specify how many approvals do they need before a resource is updated.
## operatorhub.io
* [operatorhub.io](https://operatorhub.io/) OperatorHub.io is a new home for the Kubernetes community to share Operators. Find an existing Operator or list your own today.
diff --git a/docs/kubernetes-tools.md b/docs/kubernetes-tools.md
index f424d67a..9c1e8dd2 100644
--- a/docs/kubernetes-tools.md
+++ b/docs/kubernetes-tools.md
@@ -518,6 +518,7 @@
## Monokle
- [==kubeshop/monokle==](https://github.com/kubeshop/monokle) Monokle - your friendly desktop UI for managing k8s manifests!
- [medium.com/kubeshop-i: Monokle 1.5.0 Release](https://medium.com/kubeshop-i/monokle-1-5-0-release-kubeshop-95f574563c79) Monokle by @thekubeshop is your K8s best friend for creating, validating, debugging and managing manifests! Monokle now provides templates to help you get started with creating resources.
+- [kunalkushwaha.com: Manage and debug Kubernetes manifests with Monokle by Kubeshop](https://kunalkushwaha.com/manage-and-debug-kubernetes-manifests-with-monokle-by-kubeshop) **Improve your workflows**
## KubeLibrary
- [KubeLibrary](https://github.com/devopsspiral/KubeLibrary) KubeLibrary is a RobotFramework library for testing Kubernetes cluster
diff --git a/docs/kubernetes.md b/docs/kubernetes.md
index 58091656..49ed300b 100644
--- a/docs/kubernetes.md
+++ b/docs/kubernetes.md
@@ -605,7 +605,10 @@
#### Kubernetes Volumes
* [linkedin.com/pulse: What are Kubernetes Persistent Volumes?](https://www.linkedin.com/pulse/what-kubernetes-persistent-volumes-gyan-prakash-1f/)
* [blog.newrelic.com: Kubernetes Fundamentals, Part 5: Working with Kubernetes Volumes](https://blog.newrelic.com/engineering/how-to-use-kubernetes-volumes/)
-* [medium.com/codex: Kubernetes Persistent Volume Explained](https://medium.com/codex/kubernetes-persistent-volume-explained-fb27df29c393)
+* [==medium.com/codex: Kubernetes Persistent Volume Explained==](https://medium.com/codex/kubernetes-persistent-volume-explained-fb27df29c393)
+ * How to create a persistent volume from a storage class
+ * How to create a persistent volume claim
+ * How to attach the PVC to a Pod
* [giffgaff.io: Resizing StatefulSet Persistent Volumes with zero downtime π](https://www.giffgaff.io/tech/resizing-statefulset-persistent-volumes-with-zero-downtime)
* [kubermatic.com: Keeping the State of Apps 1: Introduction to Volume and volumeMounts](https://www.kubermatic.com/blog/keeping-the-state-of-apps-1-introduction-to-volume-and-volumemounts) In this blog post, you will get a hands-on practice and learn how to provide persistent storage in the form of different volumes to the Pods.
#### Kubernetes Namespaces and Multi Tenancy. Self Service Namespaces
diff --git a/docs/linux.md b/docs/linux.md
index a5e55c4f..8bb48f55 100644
--- a/docs/linux.md
+++ b/docs/linux.md
@@ -1,4 +1,5 @@
# Linux and SSH
+- [Introduction](#introduction)
- [RHEL](#rhel)
- [Rocky Linux](#rocky-linux)
- [VIM](#vim)
@@ -34,6 +35,9 @@
- [Images](#images)
- [Tweets](#tweets)
+## Introduction
+- [zdnet.com: Linus Torvalds prepares to move the Linux kernel to modern C](https://www.zdnet.com/google-amp/article/linus-torvalds-prepares-to-move-the-linux-kernel-to-modern-c/) The Linux kernel's foundation is the ancient C89 standard of C. Now, Torvalds has decided to upgrade to 2011's more modern C11 standard.
+
## RHEL
- [infoworld.com: Red Hatβs crime against CentOS](https://www.infoworld.com/article/3601202/red-hats-crime-against-centos.html) In the beginning, no one expected to get Red Hat Enterprise Linux for free. The end of CentOS as a free drop-in replacement is no cause for outrage.
- [arstechnica.com: CentOS is goneβbut RHEL is now free for up to 16 production servers](https://arstechnica.com/gadgets/2021/01/centos-is-gone-but-rhel-is-now-free-for-up-to-16-production-servers/) RHEL is now free for dev teams, and it's even free in production for up to 16 systems.
diff --git a/docs/message-queue.md b/docs/message-queue.md
index d6f7ae1d..56486864 100644
--- a/docs/message-queue.md
+++ b/docs/message-queue.md
@@ -301,6 +301,7 @@ comsysto about their usage of Debezium, touching on many details like outbox pat
- [adam-kotwasinski.medium.com: Kafka mesh filter in Envoy](https://adam-kotwasinski.medium.com/kafka-mesh-filter-in-envoy-a70b3aefcdef)
- [==conduktor.io: What is Apache Kafka?==](https://www.conduktor.io/kafka/what-is-apache-kafka) Learn about Apache Kafka and its ecosystem in 20 minutes.
- [medium.com/airwallex-engineering: Kafka Streams: Iterative Development and Blue-Green Deployment](https://medium.com/airwallex-engineering/kafka-streams-iterative-development-and-blue-green-deployment-fae88b26e75e) Blue-Green Deployment for Kafka Stream Applications.
+- [==redhat.com: How we use Apache Kafka to improve event-driven architecture performance==](https://www.redhat.com/architect/apache-kafka-EDA-performance) **When designing your event-driven architecture, consider these ways to configure Kafka to improve performance.**
#### Strimzi kubernetes operator for apache kafka
- [strimzi.io](https://strimzi.io/)
diff --git a/docs/monitoring.md b/docs/monitoring.md
index 43d13051..b5063444 100644
--- a/docs/monitoring.md
+++ b/docs/monitoring.md
@@ -218,6 +218,8 @@ OpenShift Cluster Monitoring components cannot be extended since they are read o
| __Monitoring__ | __Mediocre__. Kibana monitoring is not available. Cloudwatch is often inadequate for Elasticsearch monitoring. | __Good__. Kibana monitoring available and pre-installed. | __Depends__. It is up to you to implement an adequate monitoring system, but you have access to kibana monitoring. |
| __Future-proof__ | __Medium__. Oftern lags several minor versions behind the latest Elasticsearch version. Some features are not available at all. | __High__. Same day Elasticsearch version parity. All features are available. | __High__. Up to you to upgrade as needed, but in theory the same Elastic Cloud. |
+- [jertel/elastalert2](https://github.com/jertel/elastalert2) ElastAlert 2 is a continuation of the original yelp/elastalert project. ElastAlert 2 is a standalone software tool for alerting on anomalies, spikes, or other patterns of interest from data in Elasticsearch and OpenSearch. ElastAlert 2 is backwards compatible with the original ElastAlert rules
+
#### Elastic Cloud on Kubernetes (ECK)
- [medium: A detailed guide to deploying Elasticsearch on Elastic Cloud on Kubernetes (ECK)](https://medium.com/99dotco/a-detail-guide-to-deploying-elasticsearch-on-elastic-cloud-on-kubernetes-eck-31808ac60466) Running Elasticsearch on Kubernetes allows developers/admins to utilize container orchestration by Kubernetes and apply best practices on managing Elasticsearch clusters by the Elastic Operator
diff --git a/docs/project-management-methodology.md b/docs/project-management-methodology.md
index 0bc58cb4..a882abc7 100644
--- a/docs/project-management-methodology.md
+++ b/docs/project-management-methodology.md
@@ -225,6 +225,8 @@
My manager yelled at me today for writing too many docs and I feel every female software engineer needs to hear this every day
diff --git a/docs/servicemesh.md b/docs/servicemesh.md
index 99b614d7..2400575c 100644
--- a/docs/servicemesh.md
+++ b/docs/servicemesh.md
@@ -63,6 +63,7 @@
* [==devops.com: How Are API Management and Service Mesh Different?==](https://devops.com/how-are-api-management-and-service-mesh-different/)
* [devops.com: When to Use API Management and Service Mesh Together](https://devops.com/when-to-use-api-management-and-service-mesh-together/)
* [infoq.com: Deploying Service Mesh in Production](https://www.infoq.com/presentations/adopting-service-mesh/)
+* [infoq.com: The Top-Five Challenges of Running a Service Mesh in an Enterprise π](https://www.infoq.com/presentations/5-challenges-mesh/)
## Service Mesh and API Gateways
* [medium: The Roles of Service Mesh and API Gateways in Microservice Architecture π](https://medium.com/better-programming/the-roles-of-service-mesh-and-api-gateways-in-microservice-architecture-f6e7dfd61043)
diff --git a/docs/visual-studio.md b/docs/visual-studio.md
index 3869510c..64d9f2f7 100644
--- a/docs/visual-studio.md
+++ b/docs/visual-studio.md
@@ -196,6 +196,7 @@ A simple extension to make indentation more readable
- [How to configure Visual Studio Code for test debugging](https://medium.com/guidesmiths-dev/how-to-configure-visual-studio-code-for-test-debugging-39d0d7f24d79)
- [blog.getambassador.io: Debugging Go Microservices in Kubernetes with VScode π](https://blog.getambassador.io/debugging-go-microservices-in-kubernetes-with-vscode-a36beb48ef1) Tutorial: Learn to debug Go microservices locally while testing against dependencies in a remote Kubernetes cluster
- [==developers.redhat.com: Remote debugging on Kubernetes using VS Code==](https://developers.redhat.com/articles/2021/12/13/remote-debugging-kubernetes-using-vs-code#)
+- [==metalbear-co/mirrord==](https://github.com/metalbear-co/mirrord) **A Visual Studio Code extension that lets you easily mirror traffic from your Kubernetes cluster to your development environment.** When you start debugging, mirrord will prompt you to select a pod to mirror traffic from. It will then mirror all traffic from that pod to the process you're debugging.
## Python in Visual Studio Code
- [Python in Visual Studio Code β September 2020 Release](https://devblogs.microsoft.com/python/python-in-visual-studio-code-september-2020-release/)