KVM Bridge Network
Bridge Network KB ID 0001891 Problem Not sure why KVM does not come preconfigured for this out of the box, and it took me a very long time to work out how to do this. But if you want your KVM VMs to behave as if they are on your production LAN (rather than the default of setting up DHCP and NAT). The default is fine but if you want to access your VMs from outside the host you need to setup bridged networking. In my example I want my...
Install Ubuntu KVM
Ubuntu KVM KB ID 0001890 Problem I’ve been looking at KVM for a couple of reasons, firstly people are looking at VMware alternatives, now there’s no ‘free version’, and secondly the firm I work for have potentially a large KVM to VMware migration on the horizon, so I thought I’d build it on the test bench and see how best to address that migration scenario. Note: This was written with Ubuntu version 24.04,...
SSH: Host Identification Has Changed
Host Identification Has Changed KB ID 0001889 Problem I’ve been doing a lot of building and destroying Linux boxes lately, and came across this problem, (while attempting to SSH into one). WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a host key has just been changed. The...
Hyper-V Enable Nested Virtualisation
Enable Nested Virtualisation KB ID 0001888 Problem Note: Also the solution for Hyper-V on windows 11 If you want to enable virtualisation in a VM that is running inside Hyper-V (itself a hypervisor). Then you need to expose the virtualisation elements of the physical hosts processor to the nested VM. In the case of Intel VMs that’s VTx and EPT. (For Intel based CPUs). Under VMware you would simply enable “Expose hardware...
Microsoft 365 Backup
Microsoft 365 Backup KB ID 0001887 Problem : Microsoft 365 Backup Originally released 2023, Microsoft 365 Backup is now general release. Microsoft 365 Backup is a comprehensive backup and recovery solution designed to protect your critical data stored in OneDrive, SharePoint, and Exchange*. This service ensures that your data is always recoverable, providing peace of mind in the face of potential data loss scenarios like ransomware...
Take Ownership and Grant ‘Full Control’ Recursively
Take Ownership KB ID 0001200 Problem I had a bunch of old user profile folders I needed to delete today, When setup properly even the domain administrator can’t get in there and delete them; You need permission to perform this action. You don’t currently have persmission to access this folder If it’s just one folder then simply take ownership, grant yourself rights and delete it! But I had a lot of folders so I...
Rename a Domain Controller
Rename a Domain Controller KB ID 0001886 Problem I’ve done a few migrating to {version} domain controller articles, and today I got asked, How can you rename the “Server Name” back to the old one after migration ?e.g. from “Lan-2025” to “Lan-2019” So, as the VMs from the last article were still running on the test bench, I ran though it to demonstrate. Solution: Rename a Domain Controller If you would like to add a new Windows...
VMware – Cannot Cut, Copy, or Paste to VM’s
KB ID 0000515 Problem Ever since ESX 4.1 this feature has been disabled and you have been unable to paste to VM, VMware say in their own documentation: Source (Page 215 – ESX Configuration Guide ESX 4.1 vCenter Server 4.1). To turn this feature back ON you have a few choices. Please be aware: We are talking about copy and pasting TEXT to and from a guest VM NOT files and folders. Solution ESX Option 1 (Enable Copy and Paste to...
Recover Browser Passwords
Recover Browser Passwords KB ID 0001885 Problem I use quite a lot of browsers, I use Microsoft Edge for work, Firefox for personal browsing, Opera when I need VPN protected browsing, and occasionally I also use Safari and Chrome. All modern browsers will store usernames and password for you, but when you get a new device or start using a new browser, you may need to go and recover browser passwords (and possibly usernames) from your...
Migrate to Server 2025 Domain Controller
Server 2025 Domain Controller KB ID 0001884 Problem If you would like to add a new Windows Server 2025 domain controller to an existing domain here is the procedure. Solution: Server 2025 Domain Controller Server 2025 Pre Requisites 2025 Hardware Requirements Processor: 1.4 GHz 64-bit processor (or faster) with support for security features. RAM: Minimum of 512 MB (2 GB for Server with Desktop Experience installation). Disk...