Cloud Platforms

Managing Storage and Disks on Ubuntu Server: File Systems, Partitioning, Formatting, and Optimization

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Introduction Managing storage and disks is a fundamental skill for Ubuntu server administrators, particularly in environments like cloud platforms (AWS, Azure, Google Cloud) or virtualization platforms (VMware, Hyper-V, Proxmox). Scenarios such as OS disk expansion or data disk initialization are increasingly common, and while automation mechanisms often handle these tasks, understanding the underlying process is … Read more

How to Host Multiple Websites on One Ubuntu Server Using Apache or Nginx

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Introduction Hosting multiple websites on a single Ubuntu server is a cost-effective solution for developers, small businesses, and hobbyists. This guide will walk you through setting up virtual hosts in Apache and Nginx to host multiple websites on the same server. By the end of this tutorial, you’ll be able to configure your server to handle multiple domains or subdomains efficiently. … Read more

Securing Your Ubuntu Server: Practical Steps for Hardening and Protection

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Securing your Ubuntu server is essential for protecting your data, applications, and infrastructure from malicious attacks. Whether you’re hosting websites, databases, or applications, implementing robust security practices ensures your server is resilient against vulnerabilities. In this article, we’ll walk through practical steps to secure your Ubuntu server, including configuring firewalls, setting up SSH securely, using … Read more

Introduction to Ubuntu Server

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Ubuntu Server is one of the most popular Linux-based operating systems for servers. Whether you’re hosting a website, running a database, or deploying containers, Ubuntu Server provides a powerful, reliable, and flexible platform to fit your needs. In this introductory article, we’ll cover everything you need to know to get started with Ubuntu Server, including … Read more

Troubleshooting Azure Disk Encryption Error: RUNTIME_E_KEYVAULT_SECRET_WRAP_WITH_KEK_FAILED

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When enabling Azure Disk Encryption for your Virtual Machine (VM), you may encounter the following error: JSON’code’: ‘VMExtensionProvisioningError’, ‘message’: ‘VM has reported a failure when processing extension ‘AzureDiskEncryption’ (publisher ‘Microsoft.Azure.Security’ and type ‘AzureDiskEncryption’). Error message: ‘[2.5.0.3] Failed to enable Azure Disk Encryption on the VM with the following exception details:\n Microsoft.Cis.Security.BitLocker.BitlockerIaasVMExtension.BitlockerFailedToSendEncryptionSettingsException: The fault reason was: ‘0xc142506f RUNTIME_E_KEYVAULT_SECRET_WRAP_WITH_KEK_FAILED … Read more

Deploy Azure OpenAI GPT-4o and Integrate with NextChat or ChatBox Clients: Build Your Personal AI Companion

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Deploy Azure OpenAI GPT-4o and Integrate with NextChat or ChatBox Clients: Build Your Personal AI Companion Azure OpenAI GPT-4o is a powerful generative AI model that enables intelligent conversational applications. By integrating GPT-4o with NextChat Client or ChatBox Client, you can transform your Windows PC into a gateway for seamless interactions with AI. These clients provide a polished, … Read more

How to Uninstall VMware Tools for Azure VM: Step-by-Step Guide

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When migrating virtual machines (VMs) from VMware to Azure, one critical step often overlooked is uninstalling VMware Tools before the migration. If VMware Tools is not removed prior to migration, using standard uninstallation methods after the VM is already on Azure may fail. This can result in leftover services, files, and drivers that interfere with … Read more

Deploying DeepSeek-R1 on Azure: AI Foundry & Chatbox Integration

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DeepSeek-R1 is a high-performance AI model designed for tasks such as chatbots, document summarization, and creative writing. Deploying this model requires significant computing resources, and Azure provides an ideal platform for scalable, cost-efficient, and secure deployment. This article explores how to deploy DeepSeek-R1 using Azure AI Foundry and integrate it with Chatbox for seamless client-side interaction. Why Deploy DeepSeek-R1 … Read more

Troubleshooting Azure Storage Account Firewall Authorization Errors

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Introduction Hardening data plane access for a storage account is a common practice to enhance security. However, when using Azure resources with virtual network (VNET) integration or accessing storage endpoints from private IPs or other tenants, authorization errors can occur if the source is not properly whitelisted. This article explores common scenarios that lead to … Read more