Techs Palace

Q. How can I change the mac address of  network card in my Ubuntu box ? Ans. Changing mac address is very simple. You only need the command ifconfig . Follow the steps below: Open terminal Find the name of your interface, for example eth0 sudo ifconfig eth0 down hw ether aaaabbbb where aabbccdd is the required mac address.

If you use too much computer you may be risking your health. I use computer around 7 hours in 8 hours' office. Before leaving office around 2 and after office around 5 hours. In total that is 17 hours i.e. around 71% of my day. I am sure I don't follow ergonomic principal. What I have started to do is take three minutes break every one hour. For this I use the 'typing break' option in keyboard preferences. After using this for some time I have concluded the following cons and pros: Pros: Nice system tray that blinks few minutes before the break making us ready for the break Option to post pone the break Option to change work interval and break interval If you sit idle the timer automatically resets. That means you have to work continuously in the work interval to be illegible for the break. You leave your computer for few minutes and bang the break is gone. Cons: Screen doesn't lock during the break. So you can't leave your computer in the break for...

Google has finally released the beta version of their chrome browser for Linux and Mac. Previously it was only available from early access channel. Chrome though in beta works very very well and I'm highly satisfied with what I have now. http://www.google.com/chrome If you have installed any pre-beta version of Google Chrome, you need to uninstall it before you can install this beta version. To do so, in terminal type: sudo aptitude remove google-chrome-unstable After that simply double click the downloaded .deb file to install. Also Mozilla Thunderbird has released Thunderbird 3 with tab support. http://www.mozillamessaging.com/en-US/thunderbird/

Too often I encounter people having hard time enabling USB support in any version of virtualbox. One main thing that many people don't know is there are two editions of virtualbox virtualbox virtualbox-ose virtualbox-ose or virtualbox open source edition is what all the linux distro installs if installed from package manager. Unlinke virtualbox, virtualbox-ose lacks many feature one of which is usb support. Remote Display Protocol (RDP) Server and USB over RDP are other two missing features. Click here for more up to date and detailed list: You must be clear by now that you need to remove virtualbox-ose and install virtualbox to enable usb support. But remember it is not open source edition. Now, to enable USB support: Remove virtualbox ose if installed sudo aptitude remove virtualbox-ose Install virtualbox You can install by adding virtualbox PPA . Advantage is you'll always get the updates. Or install it by downloading from here . You might require to run ...