Why RAID Arrays Are Sinking
Solid-state drives are among the factors contributing to declining RAID sales.
Solid-state drives are among the factors contributing to declining RAID sales.
I got into an interesting discussion with Johannes Luther on the need for VRFs and he wrote:
If VRF = L3 virtualization technologies, then I saw that link. However, VRFs are again just a tiny piece of the whole story.
Of course he’s right, but it turns out that VRFs are the fundamental building block of most L3 virtualization technologies using a shared infrastructure.
Read more ...This post provides a basic introduction to the VirtualBox CLI (command-line interface) tool, vboxmanage
. This post does not attempt to replace the comprehensive documentation; rather, its purpose is to help users who are new to vboxmanage
(such as myself, having recently adopted VirtualBox for my Vagrant environments) get somewhat up to speed as quickly and as painlessly as possible.
Let’s start with some basic operations. Here are a few to get you started:
To list all the registered VMs, simply run vboxmanage list vms
. Note that if you are using Vagrant with VirtualBox, this command will also show VirtualBox VMs that have been instantiated by Vagrant. Similarly, if you are using Docker Machine with VirtualBox, this command will show you VMs created by Docker Machine.
To list all the running VMs, use vboxmanage list runningvms
.
To start a VM, run vboxmanage startvm <name or UUID>
. You can optionally specify a --type
parameter to control how the VM is started. Using --type gui
will show it via the host GUI; using --type headless
means you’ll need to interact over the network (typically via SSH). To emulate Vagrant/Docker Machine-like behavior, you’d use --type headless
.
Once a VM is Continue reading
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