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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 →

Rhomobile – multi-mobile device development platform

Monday, January 4th, 2010

Rhomobile bills itself as: Smartphone apps made easy. AND: Native applications with full device capabilities.e Write once: instantly build for every device. Native applications with full device capabilities: GPS, PIM, camera & more. Single codebase. Build for iPhone, BlackBerry, Windows Mobile, Symbian, Android. Note – at the time of my testing (early December, 2009) I 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 →

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