Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Troubleshooting NFS (Network File System) performance issues between Linux servers and a NAS (Network Attached Storage) requires a methodical approach to identify and resolve the root cause. Here are the steps to help you troubleshoot: 1. Understand the Environment Topology: Document the network setup, including switches, NICs, and the NAS device. NFS Version: Confirm the […]
VLAN misconfigurations break connectivity in predictable ways. Start with the symptoms, then work through the layers: switch ports, trunk links, routing, spanning tree, and end devices. 1. Identify the Symptoms Devices in the same VLAN can’t talk to each other. Devices can’t reach other VLANs (inter-VLAN routing failure). Specific users or services report connectivity loss. […]
Implementing a zero-trust security model in your IT infrastructure is a critical step in ensuring robust protection against modern cybersecurity threats. Below is a step-by-step guide on how to achieve this in an environment that includes datacenters, storage, servers, virtualization, Windows, Linux, Kubernetes, and AI workloads: 1. Understand Zero-Trust Principles Zero-trust operates on the principle […]
1. Check the Pod Status Use kubectl get pods to see the pod state: bash kubectl get pods -n <namespace> Statuses you’ll see: Pending: Waiting for resources or scheduling. Running: Pod is running, but may still have issues. CrashLoopBackOff: Repeatedly crashing and restarting. Error: Failed during startup. 2. Inspect Events for Errors Check events in […]
Implementing a secure file-sharing system for employees involves a combination of choosing the right technology, applying strong security measures, and enforcing organizational policies. Below is a step-by-step guide tailored to ensure data privacy, security, and compliance: 1. Assess Requirements and Compliance Needs Understand the type of data to be shared: Is it sensitive, confidential, or […]
Configuring IT infrastructure for multi-tenant environments requires careful planning and execution to ensure isolation, performance, security, and scalability for multiple tenants. A multi-tenant architecture allows multiple customers (tenants) to share the same infrastructure resources while maintaining logical separation. Below is a step-by-step guide to designing and configuring IT infrastructure for multi-tenancy: 1. Understand Tenant Requirements […]
