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Category Archives: Virtualization

Network virtualization and the DMZ paradigm

The virtualization buzz I have recently worked on network virtualization. Many people, especially the network guys, have been recently excited with the VMware Vswitch or Cisco Nexus stuff.  It is something that I understand because virtualization is cool. It brings many convenient features that truly make the life easier. But what about the security? Convenience [...]

Posted 30 April 2011 § Cisco § Defense § Network § Security ‡ Comments (2) ° Tagged: , , , , , , ,

Corrupted virtual disk with VMware

Wow, this article and especially one of its comments saved my day. My computer crashed and one of the VMware machine hosted on it could not start anymore : “Cannot open the disk ‘path of vmdk’ or one of the snapshot disks it depends on. Reason: the specific virtual disk needs repair. Checking on the [...]

Posted 16 January 2011 § Admin § Linux § openSUSE § System ‡ Comments (2) ° Tagged: , ,

VMWare Workstation 6.5

I have just upgraded WMWare from version 6.04 to 6.5, and I have to say that it has very nice new features. The first surprising thing was the file I downloaded. It is now not anymore a tar.gz archive but a .bundle file. After downloading, as root, just make it executable or start it with [...]

Posted 05 October 2008 § Desktop § Linux § System § Windows ‡ Comments (2) ° Tagged: , , , , , ,

Xen vs KVM

I was planning to give a try to Xen for my future virtual servers. This blog made me think twice. I think I am going to check KVM first.

Posted 03 May 2008 § ‡ Comments (0) ° Tagged: , ,

Slow performance in VMWARE using Ubuntu ?

WMWare does not really work out of the box on Ubuntu.

There is an issue concerning the ACPI, which makes the guest machine so slow that it is barely usable.

Posted 06 December 2006 § Linux § System ‡ Comments (13) ° Tagged: , , ,