If VirtualBox is misbehaving — broken network adapters, missing drivers, or mysterious E_FAIL errors — sometimes a clean reinstall is the only cure. Here's the definitive step-by-step guide to wiping every trace of VirtualBox from Windows 11 and starting fresh. ⚠️ Before You Start — Protect Your VMs Your Virtual Machines are completely safe during this process. … Continue reading How to Completely Clean and Reinstall VirtualBox on Windows 11 (The Right Way)
How to Rebuild a Virtual Machine from Existing VDI Disks (The Easy Way)
Have you ever found yourself with a folder full of Virtual Disk Images (.vdi files) but no Virtual Machine configuration file (.vbox) to run them? Whether your host operating system crashed, you are migrating environments to a new laptop, or you are restoring a backup from cold storage, spinning up a machine from pre-existing virtual … Continue reading How to Rebuild a Virtual Machine from Existing VDI Disks (The Easy Way)
Oracle Database 32-bit Funny Migration to 64-bit
Objective: Migrating one 11.1.0.7 32-bit database that resides on an old Windows 2008 (32-bit) (4GB memory) to Windows 2008 64-bit (no upgrade) on a brand new server with 64GB memory. {At 2017 and still there is 11.1.0.7 database ==> yes there is!} Introduction and Background I have a client with the following very old environment: … Continue reading Oracle Database 32-bit Funny Migration to 64-bit