AWS IAM & User Management
AWS IAM reference: users, groups, roles, policies, permission boundaries, assuming roles, and common CLI patterns for identity and access management.
Kubernetes RBAC & User Management
Kubernetes RBAC reference: ServiceAccounts, Roles, ClusterRoles, RoleBindings, ClusterRoleBindings, user certificates, and common permission patterns.
Revoke a Leaked AWS IAM Access Key
Disable and delete a compromised IAM access key using the AWS CLI.
SSH & Remote Access
Complete reference for SSH: key generation, client configuration, tunneling, agent forwarding, rsync, and common connection patterns.
Terraform Secrets Management
Strategies for managing secrets with Terraform: KMS encryption, AWS Secrets Manager, IAM roles, OIDC federation, and keeping secrets out of state files.
Users, Groups & Permissions
Reference for Linux user and group management, file permissions, ACLs, sudo configuration, and security frameworks like AppArmor.