Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
1. Understand the error codes HTTP 502 (Bad Gateway): The Ingress controller reached the backend, but the backend returned an invalid response. HTTP 504 (Gateway Timeout): The Ingress controller didn’t receive a response from the backend within the configured timeout. 2. Check the Ingress resource Start with the Ingress manifest: kubectl describe ingress <ingress-name> Verify: […]
Configuring OSPF (Open Shortest Path First) or BGP (Border Gateway Protocol) correctly keeps traffic moving efficiently across your network. The steps below assume Cisco IOS; adapt syntax for other platforms. Configuring OSPF (Open Shortest Path First) OSPF runs inside a single Autonomous System (AS). It builds a link-state database and calculates shortest paths using cost […]
Storage bottlenecks during peak usage usually come down to three things: you didn’t size for the actual workload, you’re not watching the right metrics, or the data path has a choke point you haven’t found yet. Here’s how to address each. 1. Understand Your Workloads Measure IOPS, throughput, and latency requirements per application — not […]
Managing Group Policy Objects (GPOs) in complex Windows environments requires a structured approach to ensure policies apply consistently, securely, and efficiently. Below are practical steps and habits that scale. 1. Plan and Design Your GPO Strategy Map your Active Directory structure — domains, OUs, groups — before you create a single GPO. Identify what policies […]
Reducing IT infrastructure costs while maintaining performance is a delicate balancing act that requires a combination of strategic planning, technology optimization, and operational efficiency. Here are some actionable steps to achieve this: 1. Virtualization & Consolidation Server Consolidation: Use virtualization platforms (VMware, Hyper-V, Proxmox, etc.) to consolidate workloads onto fewer physical servers. This reduces hardware, […]
Securing SSH access using key-based authentication is an essential practice for enhancing the security of Linux servers. This method is more secure and convenient than password-based authentication. Here’s a step-by-step guide: Step 1: Generate SSH Key Pair On your local machine, open a terminal and generate an SSH key pair: bash ssh-keygen -t rsa -b […]
