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How to Configure USB Device Restriction via Group Policy on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure USB Device Restriction via Group Policy on Windows Server 2012 R2

How to Configure USB Device Restriction via Group Policy on Windows Server 2012 R2 Removable storage devices represent a significant data exfiltration and malware introduction risk in any organization. USB flash drives, portable hard drives, and other removable media can bypass network-level security controls entirely. Windows Server 2012 R2 provides multiple mechanisms to restrict removable […]

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How to Configure Kubernetes Persistent Volumes on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Kubernetes Persistent Volumes on RHEL 9

Kubernetes separates storage provisioning (creating storage volumes) from storage consumption (using volumes in pods) through two resource types: PersistentVolumes (PVs) and PersistentVolumeClaims (PVCs). A PersistentVolume is a piece of storage in the cluster provisioned by an administrator or dynamically by a StorageClass. A PersistentVolumeClaim is a request for storage by a user — it specifies […]

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How to Configure Windows Firewall Advanced Security via GPO on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Windows Firewall Advanced Security via GPO on Windows Server 2012 R2

How to Configure Windows Firewall Advanced Security via GPO on Windows Server 2012 R2 Windows Firewall with Advanced Security (WFAS) provides stateful packet inspection, inbound and outbound filtering, IPsec integration, and connection security rules. When managed via Group Policy, WFAS delivers consistent firewall configuration across all servers in the domain without requiring local administrator intervention […]

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How to Deploy an Application to Kubernetes on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Deploy an Application to Kubernetes on RHEL 9

Deploying an application to Kubernetes involves creating a set of resource objects that describe the desired state of the application — Kubernetes continuously works to make the actual state match this desired state. The core resources for most applications are: a Deployment (manages the desired number of running pod replicas and handles rolling updates), a […]

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How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2

How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2 Network Access Protection (NAP) is a policy enforcement platform included in Windows Server 2012 R2 that evaluates the health state of client computers before granting them full network access. NAP can check whether clients have current OS patches, antivirus definitions, Windows Firewall […]

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How to Configure Smart Card Authentication on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Smart Card Authentication on Windows Server 2012 R2

How to Configure Smart Card Authentication on Windows Server 2012 R2 Smart card authentication implements true two-factor authentication (2FA) by requiring something the user has (the physical smart card) and something the user knows (the PIN). On Windows Server 2012 R2, smart card logon uses certificate-based Kerberos authentication, eliminating reliance on passwords for privileged access […]

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How to Install and Use Helm on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Use Helm on RHEL 9

Helm is the package manager for Kubernetes — it allows defining, installing, and upgrading complex Kubernetes applications using charts, which are pre-configured packages of Kubernetes resource manifests. Instead of manually writing and applying dozens of YAML files for a complex application (deployments, services, config maps, secrets, ingress rules, RBAC), a single helm install command deploys […]

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How to Enable FIPS Compliance on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Enable FIPS Compliance on Windows Server 2012 R2

How to Enable FIPS Compliance on Windows Server 2012 R2 The Federal Information Processing Standard (FIPS) 140-2 specifies the security requirements for cryptographic modules used in federal government systems. Many organizations in regulated industries also adopt FIPS compliance to meet contractual requirements or demonstrate due diligence. On Windows Server 2012 R2, enabling FIPS mode restricts […]

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How to Install k3s Lightweight Kubernetes on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install k3s Lightweight Kubernetes on RHEL 9

k3s is a lightweight, certified Kubernetes distribution designed for resource-constrained environments, edge computing, IoT devices, and development workstations. Created by Rancher (now SUSE), k3s packages the entire Kubernetes control plane into a single binary under 100 MB, removing cloud-provider integrations, storage drivers, and alpha features that are not needed in most deployments. k3s uses SQLite […]

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How to Configure IPsec for Server-to-Server Encryption on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure IPsec for Server-to-Server Encryption on Windows Server 2012 R2

How to Configure IPsec for Server-to-Server Encryption on Windows Server 2012 R2 Internet Protocol Security (IPsec) provides authentication and encryption at the IP layer, ensuring that traffic between servers cannot be intercepted or tampered with even if an attacker has gained access to the network segment. On Windows Server 2012 R2, IPsec is configured through […]

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