VirtualBox

Oracle VM VirtualBox (formerly Sun VirtualBox) is an x86 virtualization software. Learn how to install, configure, network, and use various guest operating system under VirtualBox.

How to determine Linux guest VM virtualization technology

in Categories , , , , , , , last updated January 31, 2018

I have a cloud-based virtual machine running Ubuntu and CentOS Linux server. It may or may not be virtualized. How do I determine what kind of virtualization technology (VMWARE/ KVM/ XEN/ VirtualBox/ Container/ lxc/Hyper-V etc.) a Linux guest system running on? How do I find out the virtualization type of a CentOS 7 Linux VPS?

How To Patch and Protect Linux Server Against the VENOM Vulnerability # CVE-2015-3456

in Categories , , , , , , , , last updated May 14, 2015

A very serious security problem has been found in the virtual floppy drive QEMU’s code used by many computer virtualization platforms including Xen, KVM, VirtualBox, and the native QEMU client. It is called VENOM vulnerability. How can I fix VENOM vulnerability and protect my Linux server against the attack? How do I verify that my server has been fixed against the VENOM vulnerability?