Linuxaria - Tutto su GNU/Linux ed Open source

3 Ways To Boot Ubuntu Linux From a USB Flash Drive

Oct 072010

In this article we’ll see 3 way of installing Ubuntu on a USB drive.
We’ll see how to create a live USB Ubuntu disk, just like your live CD. Only difference is that we’ll be booting and installing Ubuntu using this live USB diskette, and as last option how to do a full installation of ubuntu on your USB drive.

Author: Joshua Bulman

Option 1: Boot Ubuntu as a Live CD from a USB Flash Drive

Use this option to install Ubuntu as a Live Install, which allows you to boot from the USB flash drive in Ubuntu, experience the Linux environment but will not retain any changes or settings after you shut down. This is a great way to get a feel for the OS, test some of it’s capabilities as well as typical hardware compatibility.

Socket Statistics on Linux

Guides, Pills 3 Responses »

Oct 052010

Small follow up of my former article on iproute2, in this article we’ll see some use of the command ss to know more information about Linux TCP / UDP Network and Socket Information

ss command is included in iproute2 package and is the substitute of the command netstat.

ss is used to dump socket statistics. It allows showing information similar to netstat. It can display more TCP and state informations than other tools.

Policy Routing with Linux

Guides 5 Responses »

Oct 042010

Describe the routing policy rules in a Linux environment and ‘a rather long and complex, with this article I just want to make an introduction to what you can do with your linux box and the commands available in the package iproute2.

For more info i suggest the site: http://www.policyrouting.org/

iproute2 is a collection of utilities for controlling TCP and UDP IP networking and traffic control in Linux, in both IPv4 and IPv6 networks. It is currently maintained by Stephen Hemminger. The original author, Alexey Kuznetsov, was responsible for the QoS implementation in the Linux kernel.

Know your hardware on Linux

Articles, Guides 3 Responses »

Oct 022010

On linux there are some simple commands that allow you to see what the OS is seeing (that does not always correspond with the hardware in the machine). Today we will see some of these useful commands that allow you to check the proper recognition of all our devices.

lspci – lsusb – lshw

lspci

lspci is a utility for displaying information about PCI buses in the system and devices connected to them.

By default, it shows a brief list of devices. Use the options described below to request either a more verbose output or output intended for parsing by other programs.

Simple Post Install Tips for Ubuntu

Articles No Responses »

Oct 012010

Author: Aaron Haun

Installing and configuring Linux has really come a long way in the last few years. People who used to be afraid of it are now starting to realized the benefits and seeing that they out weigh the learning curve. It is usually ready to use straight out of the box but here are a few things that I do after an install to make my experience a little more pleasant.

The first thing I do is change my repositories. For those who do not know, Linux is an open source operating system and so is the available software. That means the source code is available to the public and anyone in the community can contribute patches and improvements. These patches and improvements are posted in a CVS repository. When you search your package manager for software to install it searches the repository for the data. There is a button to automatically select the best repository and use it as your default. Let it scan through the servers and pick the one it recommends when it is finished.

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