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VirtualBox on the ‘Rocks’

Wednesday, October 5th, 2011

Rocks is an OS + tools clustering solution that requires front-end and compute nodes with ~1GB of RAM and 30GB of disk.  I decided to give Rocks a whirl using VirtualBox – no real need but it does provide an opportunity to explore some current HPC/clustering solutions. ** Since this post is my reaction to Continue reading →

VirtualBox – Security Tools – running Live CDs

Friday, March 12th, 2010

VirtualBox Security Tools – testing or installing Live CD images as virtual machines I noted that this seems to be a popular approach for VMWare images and decided to try a few tools out using VirtualBox.   As with any such ‘security solution’ you should carefully evaluate the tools that you allow (or the OS builds that Continue reading →

Fedora 11 upgrade

Wednesday, September 9th, 2009

Some relatively new Linux documents that should be reviewed: http://docs.fedoraproject.org/security-guide/ – an introduction to system security for Linux systems. http://docs.fedoraproject.org/selinux-user-guide/ – the MISSING document! One of the challenges with SELINUX has always been a lack of adequate documentation.  SELINUX has been a pain since it was introduced – things ‘quit working’ and after some period Continue reading →

Linux – lost your boot?

Sunday, May 24th, 2009

Ok, you made YAW (yet another whoops!) and need a fix but you don’t quite recall the tool or the steps needed – you just need a quick ‘refresh’… The (Linux) system is not boot-able.  If you are using the Grub boot-loader, then one possible approach to fixing/restoring normal boot: Boot from the Linux release Continue reading →

VirtualBox 2.1.2 – missing tools?

Wednesday, January 28th, 2009

I expect things to improve when I update/upgrade software – whether it is a commercial product OR if it is an Open Source product. Sadly, my VirtualBox installation is ‘broken’ after upgrading to version 2.1.2 (from version 2.0.6.)  Note that my VirtualBox VMs will still boot, but those that used Host Interface Networking no longer Continue reading →

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