Sharing folder between guest OS and the host OS is very easy in VMware. But in VirtualBox, I have to run the mount command ..
virtualization
Fix Network Card Undetected Problem in Cloned Virtual Machine
I ran into this problem at work. When cloning a RedHat Linux VM and imported to a different host (thus, likely different hardware). This helpful VMware KB entry helped big time!
Import ESXi VM to VirtualBox via OVF
VMware ESXi is an operating system-independent hypervisor based on the VMkernel operating system interfacing with agents that run atop it.
At work, we use VMware ESXi to host the VMs but I run VirtualBox on my development machine. Luckily, fine folks at Oracle thought of this and make it quite easy.