How to Configure Redis Cluster and Sentinel on RHEL 7 Redis is an in-memory data structure store used as a database, cache, and message broker. For production environments requiring high availability and horizontal scalability, Redis offers two complementary mechanisms: Redis Cluster for automatic data sharding across multiple nodes, and Redis Sentinel for automatic failover of […]
Introduction How to Set Up a Python Django Application on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive ā meaning version numbers, configuration file paths, and some dependency chains differ from […]
How to Install ArgoCD on Kubernetes on RHEL 7 ArgoCD is a declarative, GitOps-based continuous delivery tool for Kubernetes. The core principle of GitOps is that the desired state of your cluster is stored in a Git repository, and a controller continuously reconciles the live cluster state against that desired state. ArgoCD monitors your Git […]
How to Configure an iSCSI Target on Windows Server 2012 R2 iSCSI (Internet Small Computer System Interface) is a storage networking protocol that transports SCSI commands over standard TCP/IP networks, allowing servers to access block-level storage on remote targets as if the storage were a locally attached disk. Windows Server 2012 R2 includes a built-in […]
How to Install Apache Kafka on RHEL 7 Apache Kafka is a distributed event streaming platform designed for high-throughput, fault-tolerant, real-time data pipelines. Originally developed at LinkedIn and later open-sourced under the Apache Software Foundation, Kafka is used by thousands of companies to process trillions of events per day. Unlike traditional message queues, Kafka persists […]
š High ā± 5ā30 min Last verified: 28 November 2019 Affected versions: Ubuntu 18.04 LTS š ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
š” Medium ā± 5ā30 min Last verified: 28 November 2019 š ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
How to Use WMI on Windows Server 2012 R2 Windows Management Instrumentation (WMI) is Microsoft’s implementation of the Web-Based Enterprise Management (WBEM) standard and the central repository of management information on Windows systems. WMI exposes virtually every aspect of a Windows Server 2012 R2 system ā hardware inventory, operating system properties, installed software, running processes, […]
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 […]
Introduction to Microsoft Defender on Windows Server 2019 Microsoft Defender Antivirus is built into Windows Server 2019 and provides real-time protection against malware, ransomware, spyware, and other threats. On Windows Server 2019, Defender Antivirus integrates with Windows Defender System Guard, Windows Defender Credential Guard, and Microsoft Defender for Endpoint (the enterprise-grade EDR product). For basic […]
