• Linux,  Mandriva

    Improving battery life time in Linux

    Today I received a new battery for my Dell Latitude E6400 laptop. The old battery (a 6 cell one) only lasted for about 15 minutes any more, 1,5 year after I acquired this system. The new battery is a 9 cell version. gnome-power-manager estimates I should be able to run 6 hours now without a charge, which corresponds with what I expected. Now that I have a new battery, it is time to take a look again at trying to lower power consumption as much as possible. On my system I am using Mandriva 2010.1 Cooker with GNOME 2.30 and laptop-mode-tools 1.54, but this howto should apply (sometimes with slight…

  • Linux,  Mandriva,  Work

    Using KVM on Mandriva 2009.0

    Introduction My new Dell Latitude E6400 laptop, is my first system which support hardware visualization. It also has 4 GB RAM, making this an ideal machine to start experimenting with KVM, the kernel based virtual machine system which is now integrated in Linux itself. In the past I had already used different virtualization systems. VMWare Server is annoying because you have to rebuild the kernel modules by hand each time you install a new kernel and it’s not Free (as in Free Speech). Virtualbox handles the modules rebuild nicely thanks to the use of DKMS in Mandriva, but always randomly crashes on an assert, making it totally unusable for serious…

  • Linux,  Mandriva,  Work

    Mandriva Linux 2009.0 on a Dell Latitude E6400

    Introduction A few weeks ago the hard drive in my Apple Powerbook G4 which I was using at work, had died. As this machine was already a few years old, it was already planned to be replaced soon. The hard drive crash only accelerated things a bit. I wanted a not too heavy laptop with 14″ screen and a high resolution (1440×900) screen and an Intel CPU of the latest generation (style Core 2 Duo P8400/P8600/T9400). Lenovo’s Thinkpad T400 with such a high resolution screen seemed to be difficult (impossible?) to find here in Belgium currently and generally Thinkpads are rather costly here. HP’s Elitebook 6930p did not seem to…