Ubuntu GPG Error

If you come across this error after running aptitude update or clicking reload button in Synaptic: W: GPG error: http://ppa.launchpad.net intrepid Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 58403026387EE263 W: You may want to run apt-get update to correct these problems due to a missing GPG key…

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How to Switch Between Ubuntu, Kubuntu, and Xubuntu

For you who have installed Ubuntu / Kubuntu / Xubuntu, you can switch between desktop environment easily. Here are the desktop environments used by each distro: – Ubuntu defaults use Gnome – Kubuntu defaults use KDE – Xubuntu defaults use XFCE Just open Adept or Synaptic package manager, and search for: ubuntu-desktop or kubuntu-desktop or xubuntu-desktop Or…

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Play .rmvb file on Kubuntu 8.10

This is how to setup kubuntu to be able to play .rmvb file: Download and install SMPlayer software at http://smplayer.berlios.de/ Or if you want to use Synaptic Software Manager, add this line to /etc/apt/sources.list: deb http://ppa.launchpad.net/rvm/ppa/ubuntu intrepid main alternatively, you can add medibuntu repository and install Realplayer package. http://medibuntu.org

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