By default the root ssh login to Ubuntu 14.04 Linux server is disable. This is a security feature and even though you chnage the root password the root ssh login will be denied showing message similar to the one below:
$ ssh This email address is being protected from spambots. You need JavaScript enabled to view it.
This email address is being protected from spambots. You need JavaScript enabled to view it.'s password: 
Permission denied, please try again.
This email address is being protected from spambots. You need JavaScript enabled to view it.'s password: 
Permission denied, please try again.
This email address is being protected from spambots. You need JavaScript enabled to view it.'s password: 
Permission denied (publickey,password).

In this config we are going to compile and install the Wesnoth 1.12 on Ubuntu 14.04 Linux. Battle for Wesnoth is a free single-player or multiplayer turn-based strategy game.
Let's get started by installation of all prerequisites:
# apt-get install cmake libsdl-image1.2-dev libboost1.55-all-dev libsdl-mixer1.2-dev libsdl-ttf2.0-dev libpango1.0-dev libsdl-net1.2-dev wget
Once the prerequisites are installed download Wesnoth's source code. For this we use wget:
$ wget -c http://downloads.sourceforge.net/project/wesnoth/wesnoth-1.12/wesnoth-1.12/wesnoth-1.12.tar.bz2

Introduction

FTP is a service known to almost anyone who works with Internet on daily basis. This guide will describe in detail how to setup an FTP server on Ubuntu Linux in simple to follow steps. We will show how to setup an FTP server in normal and stand-alone mode. We will also provide some security tips for your new FTP setup. This guide will use lightweight and efficient FTP server vsFTPd, which is designed to withstand on servers with high load.

Conventions

Occasionally in this article we will refer to vsFTPd simply as FTP server.

What is FTP

For those who are not familiar with FTP here is a short description of what this service offers. FTP stand for File Transfer Protocol. As the name suggest this network protocol allows you to transfer files or directories from one host to another over the network whether it is your LAN or Internet.

Main features of vsFTPd are: Virtual IP configurations, Virtual users, Standalone or inetd operation, Powerful per-user configurability, Bandwidth throttling, Per-source-IP configurability, Per-source-IP limits, IPv6 andEncryption support through SSL integration.

In this document we describe an installation of Puppet configuration manager on a Ubuntu Linux 14.04 Trusty Tahr. The installation will be followed by a simple puppet manifest example to make sure that installation was successful and puppet ready to use as standalone deployment.
First we need to inlcude puppet repository to our Ubuntu 14.04 Trusty Tahr Linux system:
$ wget http://apt.puppetlabs.com/puppetlabs-release-trusty.deb
$ sudo dpkg -i puppetlabs-release-trusty.deb 
$ sudo apt-get update

If you have forgotten or lost your root password and unable to login to your Ubuntu 14.04 linux system then follow the instructions below to recover your root password.

Step 1 - Reboot to GRUB2 boot menu

First reboot/reset your system to GRUB2 boot loader menu. Navigate to the menu item you normally boot you Ubuntu system from and press "e" for edit.

Step 2 - Modify boot options

Find the line which starts with "linux". Navigate to the end of the line and add:
init=/bin/bash
as illustrated on the screen-shot below: Ubuntu 14.04 Lost Password Recovery Grub 2

Step 3 - Boot your system

Once you have changed boot options as indicated in the previous step press F10 to instruct your Ubuntu system to boot. Your system will boot and you will be provided with root command line prompt.

If you ever get bored of your ordinary default Ubuntu desktop or you feel that you do not utilize your Graphic card the way you should, you can try to enable Ubuntu compiz 3D cube Desktop Effect the give your desktop an extra spark. This article will provide you with a step-by-step configuration on how to enable Ubuntu compiz 3D cube Desktop Effect.

Step 1: Installation of VGA driver

You may skip this step if you have already installed restricted display drivers from Ubuntu's PPA repository. This step is optional even with a default Ubuntu installation. I recommend to proceed with Step 2 and let Ubuntu system will attempt to detect your VGA card and install appropriate VGA drivers for your card automatically. If that fails come back to Step 1 and do it manually as described below.

Installation of nVidia restricted driver

First add ubuntu PPA repository:

$ sudo add-apt-repository \
ppa:ubuntu-x-swat/x-updates
$ sudo apt-get update

Introduction

My restless effort to promote a Linux operating system and encourage its usage among other "PC" users made me this time to tackle a core topic of this effort and that is dual boot Linux Operating System and MS Windows XP Pro. I really do not expect windows users to switch from MS Windows to the Linux from one day to another, but I rather expect a slower and gradual transition with less headaches and without productivity losses.

There are already plenty of excellent articles in regard to this topic. However, I do still see Linux forums flooded with simple basic questions on how to dual boot these two operating systems. I see users coming from a MS Windows environment completely lost when it comes to a UNIX File System Hierarchy Standard (FHS), partitioning using EXT3 file system and navigation with simple "cd" command. It is very hard for them to let go of an idea of C: and D: drives. In recent 2 or 3 years Linux operating systems and its installation has improved in such a manner that I do not see a problem for a NON-IT person to install its own fully functional and productive version of the LINUX on his "Designed for Microsoft Windows XP" notebook.

Despite my believe I have decided to write this Linux-Windows dual boot "howto" for new Linux enthusiasts. In fact, I have had a friend who has no IT background to helping me by following my steps in this tutorial and believe it or not, he could install his own dual booting system without any problems.

Be aware that we are not going to describe all installation steps for both Linux and Windows installations in this article, only those steps which are necessary to accomplish this task.

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