How to Perform Disaster Recovery Testing on Windows Server 2012 R2 Disaster recovery testing is the systematic process of validating that your documented recovery procedures, backup data, and recovery time objectives are achievable when a real disaster strikes. Windows Server 2012 R2 provides the technologies needed to test DR scenarios comprehensively — Hyper-V for isolated […]
Jenkins is the most widely adopted open-source CI/CD automation server, used to build, test, and deploy software across thousands of organisations. It provides a large plugin ecosystem (1,800+ plugins) for integrating with virtually every version control system, build tool, test framework, and deployment target. Jenkins on RHEL 9 is typically deployed as a system service […]
The Kubernetes Dashboard is a general-purpose, web-based UI for Kubernetes clusters that allows users to manage applications, inspect cluster resources, view logs, and troubleshoot issues without using the kubectl CLI. It provides a visual overview of all workloads in the cluster — deployments, pods, services, ingress rules, storage, and RBAC configuration — making it accessible […]
By default, the Docker daemon socket (/var/run/docker.sock) is a Unix socket accessible only locally. When the Docker daemon needs to be accessible over the network — for remote Docker management, CI/CD pipelines connecting to a remote build host, or Docker Swarm cluster communication — TLS encryption must be configured to prevent man-in-the-middle attacks and unauthorised […]
Skopeo is a command-line tool for working with container images and container image registries without requiring a running container daemon or root privileges. While Docker requires docker pull to download an image locally before inspecting or copying it, Skopeo can copy images directly between registries, inspect image metadata without downloading the full image, and sign/verify […]
Secrets and environment variables in Docker containers require careful handling to avoid leaking credentials into image layers, container logs, or environment variable dumps. The most common mistakes are: hardcoding credentials in Dockerfiles (they persist in image layer history forever), passing secrets via –env or –env-file flags (visible in docker inspect output and the process environment), […]
How to Set Up Uptime Monitoring with PRTG on Windows Server 2012 R2 PRTG Network Monitor by Paessler is a widely deployed network and infrastructure monitoring platform that provides comprehensive uptime monitoring, performance metrics, and alerting for Windows Server 2012 R2 environments. PRTG uses a combination of ping checks, WMI queries, SNMP polling, and the […]
How to Test Disaster Recovery Procedures on Windows Server 2012 R2 A disaster recovery plan that has never been tested is not a recovery plan — it is a hope. Periodic, structured testing of disaster recovery procedures is the only way to verify that your backup data is valid, recovery procedures work as documented, and […]
How to Configure System State Backup and Bare Metal Recovery on Windows Server 2012 R2 A system state backup captures the critical OS configuration components required to restore a Windows Server 2012 R2 to a functional state without reinstalling the operating system. It includes the registry, the COM+ class registration database, Active Directory (on domain […]
How to Set Up SNMP Monitoring on Windows Server 2012 R2 Simple Network Management Protocol (SNMP) is a widely supported protocol used by network monitoring tools such as PRTG, Nagios, SolarWinds, and Cacti to collect performance and health data from network-connected devices and servers. Windows Server 2012 R2 includes a built-in SNMP service that exposes […]
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