Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
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 […]
Troubleshooting pod crashes in Kubernetes can involve several steps, depending on the root cause of the issue. Here’s a comprehensive guide to identifying and resolving pod crashes: 1. Identify the Problem Start by gathering information about the pod that is crashing: bash kubectl get pods kubectl describe pod <pod-name> kubectl logs <pod-name> kubectl get pods: […]
Troubleshooting DNS resolution issues inside Kubernetes clusters can be challenging, but systematic steps can help identify and resolve the problem. Here’s a detailed guide: 1. Check Pod DNS Configuration Start by verifying the DNS configuration of the affected pod: – Get Pod’s DNS Info: bash kubectl exec -it <pod-name> — cat /etc/resolv.conf Look for: – […]
Configuring IT infrastructure for high-throughput computing (HTC) involves designing a system capable of processing large volumes of tasks or workloads efficiently, often with parallel computing techniques. Below are key steps and considerations for building HTC infrastructure: 1. Define Requirements Workload Analysis: Understand the type of applications you’ll run (e.g., simulations, batch processing, machine learning). Performance […]
As an IT manager responsible for a diverse IT infrastructure, including datacenters, storage, backup, servers, virtualization, operating systems (Windows/Linux), Kubernetes, AI workloads, and GPU-based systems, performance tuning is a critical task. Below are the best practices for optimizing IT infrastructure performance: 1. Datacenter Optimization Power and Cooling Efficiency: Ensure optimal airflow and cooling systems to […]
