Category : "Ubuntu"

Ubuntu tips and tricks

How to setup a mail server with Postfix and Dovecot on Ubuntu / Debian

Mail system for your own domain You have your own domain name and your very own vps/dedicated server and want to use the domain name for emails. So you need to setup a mail server using an smtp server and an imap/pop server. This tutorial shows you how to setup Postfix (smtp server) and Dovecot (imap/pop server). The task of the smtp ...

How to fix Virtualbox error “Kernel driver not installed (rc=-1908)” on Ubuntu

Virtualbox I recently installed the latest version of Virtualbox (4.3.12) by downloading the deb files from virtualbox.org on Ubuntu 14.04. The installation goes fine, but when trying to run Virtualbox, it reports the following error. Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. Please reinstall the kernel module ...

How to disable Ipv6 on Ubuntu, Linux Mint, Debian

Ipv6 Ipv6 is the next version of the addressing scheme Ipv4 that is currently being used to assign numerical address to domain names like google.com over the internet. Ipv6 allows for more addresses than what Ipv4 supports. However it is not yet widely supported and its adoption is still in progress. Does your system support ipv6 ? For Ipv6 to work for you, there ...

20 cool things to do after installing Kubuntu 14.04 Trusty Tahr

Kubuntu 14.04 Ubuntu 14.04 LTS has been recently released and Kubuntu 14.04 followed up swiftly. Kubuntu is been my primary distro for many years now. It brings together the wonderful KDE desktop along with the app laden Ubuntu. So if you have just done a fresh install of Kubuntu then you can tweak few things and install some apps to make sure ...

Fix low resolution grub and splash screen with Nvidia drivers on Ubuntu 14.04

Nvidia drivers With the Nvidia official drivers you are able to throttle the performance of the nvidia graphic cards (gpu) to the maximum. However there are small glitches that need to be fixed manually. After installing and enabling the nvidia proprietory drivers you would notice that the grub screen and the Ubuntu splash screen (called Plymouth at startup and shutdown are displaying ...

How to install Virtualbox guest additions on Ubuntu 14.04

After installing Ubuntu inside virtualbox, you need to install the guest additions to get better hardware functionality inside it. These include full screen resolution, mouse wheel and pointer integration, copy paste from host os (shared clipboard), shared folders etc. This tutorial shows you how to install VirtualBox guest additions in Ubuntu. The same method works for similar distros like Xubuntu, Kubuntu ...

24 things to do after installing Xubuntu 14.04 Trusty Tahr

Xubuntu 14.04 Xubuntu is a great distro, that combines the great Xfce desktop with the great Ubuntu. It presents the conventional desktop with a pleasant and rich looking user interface. Its fast and less resource intensive compared to Gnome shell, unity and kde variants of ubuntu. Xubuntu 14.04 has just been released the same day with Ubuntu 14.04. So go ahead to ...

How to install guake (dropdown terminal) on Xubuntu 14.04

Guake dropdown terminal Guake is a dropdown terminal for gtk based desktop environments like gnome, xfce etc. Its a useful tool that brings up a terminal at the press of a key. Guake is written in Python. It supports hotkeys, tabs, transparent backgrounds and other stuffs. This post shows how to install and configure guake. Install Guake The first step is to install guake. Its ...

How to install the latest Nvidia drivers on Ubuntu 14.04 Trusty Tahr

Nvidia drivers If you have an Nvidia graphics card on your system, then its recommended to install the official drivers provided by Nvidia. The proprietory drivers would utilise the hardware properly delivering full performance. Installation is pretty easy and it uses a ppa repository. So you do not need to compile anything. However, make sure to follow the steps properly. These steps would ...

How to fix “System program problem detected” error on Ubuntu

The error "System program problem detected" comes up when a certain application crashes. Ubuntu has a program called Apport that is responsible for detecting such crashes and upon user consent, report these crashes to developers. This process intends to get the problem fixed by the developers. However it can be very annoying to common users, and there is no point ...

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