Cloud Platforms

Only Half of the vCPUs Displayed in Task Manager for Azure VMs

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When migrating virtual machines (VMs) to Azure, some users have reported seeing only half of the expected vCPUs in Task Manager, despite the hardware and device manager showing the correct number of CPUs. This article explains the root cause of the issue and provides a step-by-step solution that has been successfully implemented. Issue Overview After migrating … Read more

How to Force User Authentication Every Time with SAML and OIDC Apps

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Sometimes, you need to ensure that users authenticate every time they access an application, even if they have an active session. This can be useful for enhancing security or meeting compliance requirements. Here’s how to configure this behavior for both OpenID Connect (OIDC) and SAML applications. For OIDC Apps: Use the prompt=login Parameter OpenID Connect (OIDC) allows … Read more

Why Can’t I cd Into a Directory in Linux? Troubleshooting Tips

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Navigating directories in Linux using the cd command is usually straightforward, but sometimes you might run into issues. Here’s a step-by-step guide to troubleshoot and resolve common problems when you can’t cd into a directory. 1. Check for Typos The first step is to ensure the directory name is spelled correctly. A typo can prevent you from accessing the … Read more

Understanding the Linux OOM Killer: A Fun Illustration

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Introduction The OOM Killer (Out-of-Memory Killer) is a critical mechanism in Linux that steps in when the system runs out of memory. It terminates processes to free up memory and keep the system running. While it’s a lifesaver in low-memory situations, its behavior can sometimes seem arbitrary or confusing. To help you understand the concept behind the … Read more

Keywords When Browsing Linux Logs

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Troubleshooting Linux systems often requires browsing logs to identify issues effectively. Knowing the right keywords to search for can help narrow down problems quickly. This guide categorizes common issues and provides relevant keywords and log file suggestions for Linux systems, whether in cloud environments or on-premises. 1. Authentication and Access Issues Keywords: Logs to Check: … Read more

Azure Speed Test Tool: Measure Latency Across Azure Regions

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When working with Microsoft Azure, understanding latency between your location and Azure regions can help you optimize your cloud deployments. The Azure Speed Test Tool is a simple yet effective resource for measuring latency to various Azure regions. What Is the Azure Speed Test Tool? The Azure Speed Test Tool allows you to measure latency from your … Read more

Troubleshooting File Operations in Linux: Cannot Delete, Copy, Rename, or Move a File

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Encountering issues when trying to delete, copy, rename, or move a file in Linux can be frustrating. This guide outlines common causes and solutions to help you troubleshoot and resolve these problems efficiently. Common Causes and Solutions 1. Does the File Actually Exist? Sometimes, the file you are trying to manipulate might not exist, or the … Read more

Understanding the Relationship Between Microsoft Entra ID, Microsoft Azure, and Microsoft 365

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Microsoft Entra ID plays a critical role in managing identity and access across Microsoft services like Azure and Microsoft 365. This guide explains how Microsoft Entra ID integrates with these services to provide seamless access and security management. What Is Microsoft Entra ID? Microsoft Entra ID (formerly Azure Active Directory) is a cloud-based identity and … Read more

Scripts to Export Azure RBAC and Other Entra ID Objects

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Managing Azure RBAC (Role-Based Access Control) and Entra ID objects effectively often requires automation. If you’re looking to export group-related information or directory audit logs, scripts can simplify the process. This guide highlights useful scripts for exporting Azure RBAC and other Entra ID objects. Common Use Cases for Exporting Azure RBAC and Entra ID Objects … Read more