The following linux commands will assist you with network restart procedure on Ubuntu 16.04 Xenial Xerus Linux. We will start with the most recommended commands and move down to more obscure or obsolete commands in case the above commands will fail from some reason. Let's begin with system and service manager by using systemctl command to restart network service:
$ sudo  systemctl restart NetworkManager.service
Next command service will restart a relevant networking System V init script:
$ sudo service network-manager restart

In this config you will learn how to install a digital distribution platform Steam on Ubuntu 16.04 Xenial Xerus Linux. This guide assumes that your system already have appropriate VGA driver installed.

Installation from UBUNTU Repository

The easiest way to install STEAM on Ubuntu 16.04 Xenial Xerus is by using apt-get command to fetch steam installed directly from Ubuntu's multiverse repository:
$ sudo add-apt-repository multiverse
$ sudo apt-get install steam

The following tutorial will guide you through all steps required to install VGA NVIDIA driver on Ubuntu 16.04 Xenial Xerus Linux.

To install Nvidia driver on other Linux distributions, follow our Nvidia Linux Driver guide.

Let's start by detecting your NVIDIA VGA card model. Open terminal and enter a following linux command:
$  lshw -numeric -C display
or
$ lspci -vnn | grep VGA
The above commands will output your NVIDIA model number. For example:
$ lspci -vnn | grep VGA
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK104 [GeForce GTX 680] [10de:1180] (rev a1) (prog-if 00 [VGA controller])

Introduction

CGI ( Common gateway Interface ) is an interface between Web client and the web server that runs your CGI script/program. CGI is a quite old and was largely superseded by different programing languages such as PHP, etc. However, it still can find its place in Linux system administrator's hands as a quick tool for system monitoring and administration via web browser. This article describes in step-by-step manner how to run basic CGI scripts with various programming languages and scripts using Apache web server on Ubuntu Linux.

Install Apache

First we need to install apache web server. This is a fairly simple task and can be achieved with the apt-get command:

$ sudo apt-get install apache2

The above command will install Apache 2 web server with a default site located at: /etc/apache2/sites-available/default. When you open this default configuration site you will see that it is configured to run CGI scripts from /usr/lib/cgi-bin directory with URL alias /cgi-bin/:

This article will provide you with a core information on how to create boot-able Ubuntu Live customized isohybrid image to get you started with your own Ubuntu distro spin-off. The output image will be amd64 customized Ubuntu live image, capable to boot in all three boot modes: Legacy Bios, UEFI and SecureBoot.

The article will not get into much detail about how to perform the actual squashfs system customization. However, instead it will concentrate on all the steps regarding unpacking the official Ubuntu Iso and putting all parts back together to produce bootable isohybrid image supporting Legacy Bios, UEFI and SecureBoot modes.

Prerequisites

As always we start by prerequisites and optional package installation:
$ sudo apt-get install dumpet xorriso squashfs-tools gddrescue

Downloading Ubuntu ISO image

The first part of creating your own customized Linux distro based on the Ubuntu Linux is to download the official Ubuntu ISO image. Create a new directory custom-ubuntu to hold all files required by this project. EFI and its SecureBoot feature is not supported on i386 architecture so download any amd64 version of the Ubuntu ISO image and store it within custom-ubuntu directory:
$ mkdir custom-ubuntu
$ cd custom-ubuntu/
$ wget http://url/to/ubuntu/image.iso

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