Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Troubleshooting virtual machine (VM) performance issues requires a systematic approach to identify the root cause. Performance problems can arise from resource bottlenecks, misconfigurations, or underlying hardware issues. Here’s a step-by-step guide to troubleshooting VM performance issues: Step 1: Define the Scope of the Problem What is slow? Identify if the issue is related to CPU, […]
Configuring Kubernetes Network Policies for pod-to-pod communication involves defining rules that control the traffic flow between pods. Network Policies are a Kubernetes resource that helps secure your cluster by limiting communication between pods based on labels, namespaces, and IP blocks. Here’s a step-by-step guide: 1. Prerequisites Network plugin: Ensure your Kubernetes cluster is using a […]
Troubleshooting firewall rule conflicts in IT infrastructure requires a systematic approach to identify and resolve the issue effectively. Here’s a step-by-step guide: 1. Understand the Environment Review Firewall Placement: Identify where the firewall is located (datacenter edge, internal zones, Kubernetes cluster, etc.). Document Dependencies: List the systems, servers, and applications affected by the firewall rules. […]
Managing Kubernetes secrets effectively is crucial to maintaining the security and integrity of your applications and infrastructure. Here are the best practices for handling Kubernetes secrets: 1. Use Kubernetes Secrets Object Store sensitive information like passwords, API keys, and certificates in Kubernetes Secret objects rather than embedding them directly in configurations or environment variables. Secrets […]
Securing IT infrastructure for financial institutions is critical due to the sensitive nature of the data they handle, the regulatory requirements they must adhere to, and the increasing sophistication of cyber threats. As an IT manager responsible for such infrastructure, you need to adopt a comprehensive, multi-layered approach to security. Below is a detailed guide […]
Overheating in a datacenter is a critical issue that can lead to equipment failures, downtime, and reduced lifespan of hardware. Here’s a step-by-step approach to handle and prevent overheating: Immediate Actions for Overheating Identify Hot Zones: Use temperature sensors, monitoring software, or thermal cameras to locate areas with excessive heat. Check server racks, power distribution […]