diff --git a/README.md b/README.md
index 107d225..daebb4d 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ I might accept suggestions, though. Use the repository's hosting platform's tool
 ## Sources
 
 - [myshittycode.com]
+- [freekb.net]
 
 <!--
   Reference
@@ -45,4 +46,5 @@ I might accept suggestions, though. Use the repository's hosting platform's tool
 [license]: LICENSE
 
 <!-- Others -->
+[freekb.net]: https://www.freekb.net/
 [myshittycode.com]: https://myshittycode.com/
diff --git a/knowledge base/cloud computing/aws/ec2.md b/knowledge base/cloud computing/aws/ec2.md
index d24d080..e4a412a 100644
--- a/knowledge base/cloud computing/aws/ec2.md	
+++ b/knowledge base/cloud computing/aws/ec2.md	
@@ -236,6 +236,7 @@ Also see [Automatic instance recovery].
 - [Instance store temporary block storage for EC2 instances]
 - [Attach an EBS volume to multiple EC2 instances using Multi-Attach]
 - [Monitor AWS EC2 memory utilization and set CloudWatch Alarm]
+- [Automating Instance Reboots with Amazon CloudWatch EC2 Actions]
 
 <!--
   Reference
@@ -279,7 +280,8 @@ Also see [Automatic instance recovery].
 [using instance profiles]: https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_switch-role-ec2_instance-profiles.html
 
 <!-- Others -->
+[Automating Instance Reboots with Amazon CloudWatch EC2 Actions]: https://devops.supportsages.com/automating-instance-reboots-with-amazon-cloudwatch-ec2-actions-375f633a658d
 [aws ec2 instance pricing comparison]: https://ec2instances.github.io/
-[ec2instances.info on vantage.sh]: https://instances.vantage.sh/
 [configuring ec2 disk alert using amazon cloudwatch]: https://medium.com/@chandinims001/configuring-ec2-disk-alert-using-amazon-cloudwatch-793807e40d72
+[ec2instances.info on vantage.sh]: https://instances.vantage.sh/
 [monitor aws ec2 memory utilization and set cloudwatch alarm]: https://medium.com/@VaibhaviDeshmukh07/monitor-aws-ec2-memory-utilization-and-set-cloudwatch-alarm-a53d0e0b1eeb
diff --git a/knowledge base/cloud computing/aws/eks.md b/knowledge base/cloud computing/aws/eks.md
index a7e4200..187caff 100644
--- a/knowledge base/cloud computing/aws/eks.md	
+++ b/knowledge base/cloud computing/aws/eks.md	
@@ -1432,6 +1432,7 @@ helm upgrade -i --repo 'https://aws.github.io/eks-charts' \
 - [Install the AWS Load Balancer Controller using Helm]
 - [Reaching failed to introspect region from EC2Metadata... on container start-up - vanilla EKS/Fargate]
 - [Route application and HTTP traffic with Application Load Balancers]
+- [Hands-On Guide to Creating an Amazon EKS Cluster with Self-Managed Worker Nodes]
 
 <!--
   Reference
@@ -1519,3 +1520,4 @@ helm upgrade -i --repo 'https://aws.github.io/eks-charts' \
 [reaching failed to introspect region from ec2metadata... on container start-up - vanilla eks/fargate]: https://github.com/kubernetes-sigs/aws-load-balancer-controller/issues/1561
 [upgrade default storage class for eks]: https://www.argonaut.dev/docs/guides/migrate-eks-to-gp3
 [visualizing aws eks kubernetes clusters with relationship graphs]: https://dev.to/aws-builders/visualizing-aws-eks-kubernetes-clusters-with-relationship-graphs-46a4
+[Hands-On Guide to Creating an Amazon EKS Cluster with Self-Managed Worker Nodes]: https://medium.com/@muppedaanvesh/hands-on-guide-to-creating-an-amazon-eks-cluster-with-self-managed-worker-nodes-fad026c34482
diff --git a/knowledge base/cloud computing/aws/iam.md b/knowledge base/cloud computing/aws/iam.md
index 369804f..3327c04 100644
--- a/knowledge base/cloud computing/aws/iam.md	
+++ b/knowledge base/cloud computing/aws/iam.md	
@@ -427,6 +427,7 @@ UserId: AROA2HKHF74L72AABBCCDD:botocore-session-1234567890
 - [IAM roles]
 - [Get to Grips with AWS IAM Roles: Terms, Concepts, and Examples]
 - [What is exactly "Assume" a role in AWS?]
+- [Conditions with multiple context keys or values]
 
 <!--
   Reference
@@ -444,6 +445,7 @@ UserId: AROA2HKHF74L72AABBCCDD:botocore-session-1234567890
 [assumerole api reference]: https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html
 [aws global condition context keys]: https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_condition-keys.html
 [can i increase the duration of the iam role chaining session?]: https://repost.aws/knowledge-center/iam-role-chaining-limit
+[Conditions with multiple context keys or values]: https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_condition-logic-multiple-context-keys-or-values.html
 [creating a role to delegate permissions to an iam user]: https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_create_for-user.html
 [how can i monitor the account activity of specific iam users, roles, and aws access keys?]: https://repost.aws/knowledge-center/view-iam-history
 [how to use the passrole permission with iam roles]: https://aws.amazon.com/blogs/security/how-to-use-the-passrole-permission-with-iam-roles/
diff --git a/knowledge base/kubernetes/README.md b/knowledge base/kubernetes/README.md
index 8f7b7c1..3facc14 100644
--- a/knowledge base/kubernetes/README.md	
+++ b/knowledge base/kubernetes/README.md	
@@ -1341,6 +1341,7 @@ Others:
 - [Using RBAC Authorization]
 - [Expose Pod information to Containers through files]
 - [Avoiding Kubernetes Pod Topology Spread Constraint Pitfalls]
+- [Kubernetes Complete Hands‑On Guides]
 
 <!--
   Reference
@@ -1433,6 +1434,7 @@ Others:
 [kube-ps1]: https://github.com/jonmosco/kube-ps1
 [kubectx+kubens]: https://github.com/ahmetb/kubectx
 [kubernetes cluster autoscaler]: https://www.kubecost.com/kubernetes-autoscaling/kubernetes-cluster-autoscaler/
+[Kubernetes Complete Hands‑On Guides]: https://github.com/anveshmuppeda/kubernetes
 [kubernetes securitycontext capabilities explained]: https://www.golinuxcloud.com/kubernetes-securitycontext-capabilities/
 [kubernetes troubleshooting - the complete guide]: https://komodor.com/learn/kubernetes-troubleshooting-the-complete-guide/
 [kubeswitch]: https://github.com/danielfoehrKn/kubeswitch