Installing pfsense on OVH ESXi Hyper-V If you need to install pfsense on OVH ESXi Hyper-V, you may be having some difficulty. Have you ever wanted to create a pfSense VM on your OVH host but had troubles getting the internet connection fixed? OVH uses failover IP’s that have to be manually activated in order for a successful internet connection to be established. The easiest way to do this...
How To Remove Old CentOS Kernel images
When you update CentOS and there is a new kernel CentOS will install the new kernel but not remove the old kernel, this can become problematic when you have a very small /boot partition so it is a good idea to remove the old kernels that are no longer needed. Please note that if you have a large /boot partition it is not necessary to delete the old kernels. Before deleting any of your old kernels...
How To Fix: Virtual machine cannot start – The security ID structure is invalid (0x80070539)
When importing a virtual machine into my Hyper-V host I was having some difficulty starting the newly imported VM. After much research online I found the solution to this problem is the new Hyper-V host cannot import an invalid security structure which is part of the import of the virtual machine. To easily fix this error: Open PowerShell as Administrator. Run: Grant-VMConnectAccess -VMName...