...I decided to write my project on Ubuntu, which is a distro of Linux. Ubuntu |oǒ'boǒntoō|: Ubuntu is an ancient African word meaning 'humanity to others'. It also means 'I am what I am because of who we all are'. The Ubuntu operating system brings the spirit of Ubuntu to the world of computers. (The Ubuntu Story) I chose Ubuntu because I have used it since 2009 and have loved it ever since then. I will be discussing the current distro which is 14.04, the next one will be 15.04 but 14.04 is the current stable version of Ubuntu or also often referred to as LTS or Long Term Support. The history of Ubuntu is quite short or at least 2004 kind of short. Mark Shuttleworth, from South Africa, started a company called Canonical which was created alongside Ubuntu. The purpose was to help it reach a wider market. They help governments and businesses the world over with migrations, management, and support for their Ubuntu deployments. They would work together with their partners, to ensure that Ubuntu runs reliably on every platform from the pc and the smartphone to the server and, crucially, the cloud. (Canonical) Ubuntu is part of a type of software referred to as open source, a development model promotes a universal access via a free license to a product's design or blueprint, and universal redistribution of that design or blueprint, including subsequent improvements to it by anyone. (Open source) The vision of Ubuntu is part social and part economic: free software, available to everybody...
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...se muestran a continuación, clasificados en orden de popularidad Hacker News para que podamos ver distros populares entre las audiencias altamente técnicos más fácilmente. Distros se muestran por orden de Hacker News filas. Hacker datos noticia viene de aquí , los datos de Linux Journal de aquí , y Google Trends es de datos de una búsqueda con sede en. Podemos ver que en términos generales, las tendencias son consistentes a través de audiencias. Existen diferencias menores, así como un par de valores atípicos claros que son mucho más populares entre el público en general (Linux Mint y CentOS). No es ninguna sorpresa para mí que Debian y Ubuntu basado distros están en la parte superior, a pesar de la popularidad de arco más allá de la comunidad de entusiastas me sorprendió. Vamos a bucear en los datos, una distro a la vez: • Ubuntu:. El claro ganador entre todas las comunidades, con casi...
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...The Ubuntu Philosophy\ The term “Ubuntu” is a traditional African concept ther originated the Bantu languages of souther African. It can be described as a way of connecting with others-living in a good community where your actions affect all of humanity. Ubuntu is more than just an operating system:it is a community if of people that come together voluntary to collaborate on an international software project that aims to deliver thee best possible user experience. The Ubuntu Promise Ubuntu will always be free of charge, along with its regular enterprise releases and security Ubuntu comes with full commercial support from canonical and hundreds of companies from across the world. Ubuntu provides the best translations and accessibility features the free software community has to offer Ubuntu core applications are all free and open source. We want you to use free and popen sources software,improve it, and pass it on. A brief history of Ubuntu Ubuntu was conceived in 2004 by Mark Shuttleworth, a successful African enterpriser, and his company canonical. Shuttleworth recognized the power of Linux open sources, but also aware of weaknesses that prevented mainstream use. Shuttleworth set out with clear intentions to address these weaknesses and create a system that saw easy to us, completely free, and could compare with other mainstream operating system. With the Debian system as a base, Shuttleworth began to build Ubuntu. Using his own funds at first, installation CD were pressed...
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...running on Ubuntu Linux. Installing Python $ sudo apt-get install python-software-properties $ sudo add-apt-repository ppa:ferramroberto/java Update the source list $ sudo apt-get update Install Sun Java 6 JDK $ sudo apt-get install sun-java6-jdk Select Sun's Java as the default on your machine. (See 'sudo update-alternatives --config java' for more information.) $ sudo update-java-alternatives -s java-6-sun The full JDK which will be placed in /usr/lib/jvm/java-6-sun (well, this directory is actually a symlink on Ubuntu). After installation, make a quick check whether Sun’s JDK is correctly set up: $ java –version java version "1.6.0_20" Java(TM) SE Runtime Environment (build 1.6.0_20-b02) Java HotSpot(TM) Client VM (build 16.3-b01, mixed mode, sharing) Adding a dedicated Hadoop system user $ sudo addgroup hadoop $ sudo adduser --ingroup hadoop hduser This will add the user hduser and the group hadoop to your local machine. Configuring SSH user@ubuntu:~$ su – hduser hduser@ubuntu:~$ ssh-keygen -t rsa -P "" Generating public/private rsa key pair. Enter file in which to save the key (/home/hduser/.ssh/id_rsa): Created directory '/home/hduser/.ssh'. Your identification has been saved in /home/hduser/.ssh/id_rsa. Your public key has been saved in /home/hduser/.ssh/id_rsa.pub. The key fingerprint is: 9b:82:ea:58:b4:e0:35:d7:ff:19:66:a6:ef:ae:0e:d2 hduser@ubuntu The key's randomart image is: [...snipp...] hduser@ubuntu:~$ cat $HOME/...
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...UBUNTU! An Inspiring Story About an African Tradition of Teamwork and Collaboration By Dr. Bob Nelson and Dr. Stephen Lundin In Ubuntu!, the authors share the story of John Peterson, a new manager in the credit department at a major bigbox retailer, who is struggling in his job. The people under him are not working as well or effectively as they need to, and his department is falling behind in meeting its goals. His only solution is to take on more work himself, burning the midnight oil and coming in most weekends to pick up the slack and keep his department above water. When one of the employees stays behind to help him—a young man who came to America from a small village in Africa—he learns of the ancient wisdom and hidden power of the African philosophy of Ubuntu (the philosophy that considers the success of the group above that of the individual). Before long, it begins to change the way he thinks about the people he works with, about himself, and about how he runs his department and his life. Through the telling of John’s story, the authors reveal the core elements of the African philosophy of Ubuntu, as well as uncover its business applications that any manager or professional can apply. By the end of the story John has not only turned his department around with Ubuntu but the bigbox retailer has taken on the philosophy of Ubuntu as a corporate way of life. OB applies to Ubuntu in that they both focus on the individual, group and organization. The book and Ubuntu...
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...www.it-ebooks.info OpenCV Computer Vision with Python Learn to capture videos, manipulate images, and track objects with Python using the OpenCV Library Joseph Howse BIRMINGHAM - MUMBAI www.it-ebooks.info OpenCV Computer Vision with Python Copyright © 2013 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: April 2013 Production Reference: 1160413 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. ISBN 978-1-78216-392-3 www.packtpub.com Cover Image by Suresh Mogre (suresh.mogre.99@gmail.com) www.it-ebooks.info Credits ...
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...欢迎来到 Ubuntu 部落 作者: Kardinal @ Ubuntu.org.cn 论坛 邮箱: 2999am[at]gmail.com 版权: 1.欢迎自由传播 2.请保留版权信息 3.未经允许，不得用于商业用途 （ 本 档 下 载 点击此处） 索引 欢迎来到 Ubuntu 部落 Ubuntu 的发音 Ubuntu 的涵义 Ubuntu 当前版本 Ubuntu 的特点 Ubuntu 相对其它 Linux 发行版的主要特点 基本操作 进入系统 命令行提示符 退出系统 安装 分区概念 安装中的注意事项 开始安装 Linux 基础 Shell 命令 Linux 程序、进程 Linux 系统简介 路径 软件 配置方式 隐藏文件 文件类型 权限 命令行 Shell、Console、Terminal rxvt-unicode 在线帮助系统 bash 中止正在运行的程序 Ctrl+s 键绑定 自定义键绑定 通配符 任务管理 管道、重定向 脱字符 Fish 设定您的默认 Shell 设定命令的搜索路径 Ubuntu 系统简介 Ubuntu 系统目录结构 启动流程 更改运行级别 服务管理 更改启动服务 手动控制服务 常用系统服务 重要配置文件 全局配置文件 用户配置文件 软件安装 DPKG APT APT 系统修复 源码包 Xwindow 简介 历史 架构及原理 Xserver Xclient Xprotocol 窗口管理器 启动流程 配置文件 X 服务器 X 客户端 字体 freetype 渲染引擎 X 核心字体 XFT 字体 系统管理 一些细节 格式约定 系统信息 uptime w who whoami last uname date cal 文件管理 一些细节 ls [路径] cd [目录路径] | [特殊路径] pwd file du [路径] less touch mkdir cp rm rmdir mv ln 文件操作 nano split [目标文件名前缀] cat sort [-o ] [-t ] [+ - ] [文件] more diff cksum [文件名] 权限管理 一些细节 chmod chown [:归属群组] chgrp SUID、SGID、Sticky bit lsattr [路径] chattr +|-|= 压缩解压 tar -c|x|u|r|t[z|j][v] -f [未打包文件] zip [参数] unzip [参数] [压缩包中将被释放的文件] 7z|7za [参数] [文件] rar [参数] [文件|文件列表|路径] 搜索 whereis locate find [路径] grep |"" [文件名] 其它 echo clear alias export shutdown halt reboot chroot 用户管理 一些细节 su [用户名] sudo [命令] passwd [用户名] chsh [-s ] [用户名] usermod useradd userdel id [用户名] finger [用户名] ...
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...Full Circle THE INDEPENDENT MAGAZINE FOR THE UBUNTU LINUX COMMUNITY ISSUE #90 - October 201 4 Photo: miss_millions (Flickr.com) P R I S O N AR C H I T E C T BUILD YOUR OWN OPEN SOURCE PRISON Fu ll Ci rcle M a g a zi n e i s n e i th e r a ffi li a te d wi th , n o r e n d o rse d b y, Ca n o n i ca l Ltd . full circle magazine #90 1 contents ^ HowTo OpenConnect to Cisco p.1 4 Full Circle THE INDEPENDENT MAGAZINE FOR THE UBUNTU LINUX COMMUNITY Linux News p.04 BACK NEXT MONTH LibreOffice p.1 5 Command & Conquer p.1 2 Arduino p.25 LinuxLabs p.XX Broadcast With WCS p.1 7 Linux Labs p.28 Review p.36 My Story p.37 BACK NEXT MONTH Blender p.XX Letters p.40 Tuxidermy p.41 Q&A p.42 BACK NEXT MONTH Inkscape BACK NEXT MONTH Ubuntu Women p.XX Ubuntu Games p.44 Graphics p.22 Security p.XX The articles contained in this magazine are released under the Creative Commons Attribution-Share Alike 3.0 Unported license. This means you can adapt, copy, distribute and transmit the articles but only under the following conditions: you must attribute the work to the original author in some way (at least a name, email or URL) and to this magazine by name ('Full Circle Magazine') and the URL www.fullcirclemagazine.org (but not attribute the article(s) in any way that suggests that they endorse you or your use of the work). If you alter, transform, or build upon this work, you must distribute the resulting work under...
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...Security summarized 1. First of all: there is no 100 % security. Not in real life and not in the digital world. Not even when your computer is running Linux. You should always use your common sense. And even then it can go wrong. A certain amount of risk, however small, is unavoidable. A Frenchman would say: c'est la vie. About viruses, firewalls and exploits I can be brief: Antivirus software 1.1. You don't need antivirus software in Ubuntu, Linux Mint and Debian. Because a virus can't do anything in Linux. Mainly because of this: in order to install on your computer, a virus needs your password. And that it doesn't have. Furthermore, you generally only install software from the secured "software store" (repositories) of your Linux distribution. This is a very effective barrier against malware. Therefore there are no Linux viruses "in the wild" (with the exception of web servers, but securing web servers is quite a different cup of tea). The best protection against viruses is this: - install a well-supported Linux, like Ubuntu or Linux Mint; - check daily for updates; - don't use antivirus, as antivirus in Linux gives only a false sense of security, but simply use your common sense. For the full story, read on (item 2 and further). Firewall 1.2. A firewall is already installed by default. It's called IPtables. IPtables can be managed through the application Uncomplicated Firewall (ufw), which is also installed by default. By default the firewall isn't...
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...On Red Hat, the sudo command is not enabled by default, and you’ll need to enable it. To do this, you need to use a command called visudo to edit the sudo command’s configu- ration file, /etc/sudoers. To do this, you need to log on as the root user and run the visudo command. # visudo As you can see from the # command prompt, you’re logging in as the root user and you’re executing the visudo command. This opens an editing application that looks much like the vi or vim editor. Inside this file is the following line: # %wheel ALL=(ALL) ALL You need to uncomment the line and write and quit the file using the same commands you would with vim by typing the colon character, :, and w and q followed by Enter, or :wq. This enables any member of a group called wheel to use the sudo command. You can then add a user to the wheel group like so: # usermod –G wheel ataylor Again, you specify the group, wheel, with the -G option and the name of the user you want to add to the group last. Now the ataylor user can make use of the sudo command. Some useradd Command-Line Options Option Description -c Add a description of the user -d homedir The user’s home directory -m Create the user’s home directory -M Do not create the user’s home directory (Red Hat only) -s shell Specify the shell the user will use User Default Settings Your new user will also be created with a variety of defaults (e.g., the setting for the you can display the current defaults using the following command: ...
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...How To Install Ubuntu Linux By: Iptisam “Sam” Petzold Brown Mackie College SSE0050 Due: March 22, 2016 How to Install Ubuntu Linux Ubuntu is a version of Linux created to be easy to use, especially for those who are new to Linux. It has a Linux kernel based on Debian and is distributed as a free and open source software, not to mention that it is one of the most popular distributions for the desktop and server. Ubuntu also runs on phones. Ubuntu offers a LiveCD environment that lets you run the operating system from a media without making any changes to your hard drives. This is a pretty cool feature because you can essentially test-drive the OS before you actually install it. Once you create a bootable USB installation media, you can plug it into any computer, boot into Ubuntu, and download any data on the usable/ data storage partition. Before using Linux, my suggestion is that you brush up on your familiarity working with commands in the command line, because Ubuntu primarily uses the command line for most everything… then good luck and enjoy! Required supplies: * Downloaded ISO image (derives its name from the group’s standard for optical disc file systems, ISO 9660) of Ubuntu * Universal Serial Bus (USB) Bootable Ubuntu Installation Media (Thumb Drive 2GB or larger) * A laptop running Windows7 (with partitioned hard drive). * ***Possibly one or all of these programs installed to help you achieve the items required above: Startup...
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...Assessment 3 Course Name | Managing Network Operating Systems | Credits | 15 | Code | NW701 | Level | 7 | Id | | Name | | Date | | Signature | | Aims: 1. To equip students with the skills necessary to enable them to manage network operating systems. Date | 6/08/2014 | Time | 9:30 | Learning Outcomes | 1, 2,3 | Assessment Weightings: | 100 Marks in total converted to 40% of final grade | Conditions: | In class individual test. Closed book. Practical task in laboratory conditions, and presentation | Time Allowed: | 1 Hours (practical not included) (plus 15-30 minutes practical time for each student) | Learning Outcomes Assessed: Learning outcomes assessed | Questions | Marks | Assessment Weighting % | 2 | Perform and evaluate tasks that will deploy and configure a network operating system | Task1 Task 2Task 3 | 30 2020 | 50% | 4 | Evaluate how a networking operating system uses the OSI model | Task 1 | 30 | 20% | 5 | Compare and contrast two network operating systems | Task 4 | 30 | 30% | Task Number | Marks allocated | Marks obtained | 1 | 30 | | 2 | 20 | | 3 | 20 | | 4 | 30 | | Total Marks | 100 | | Instructions: 1. You should attempt ALL the questions in this test. 2. Check all the tasks in the assessment 3. Task One is an individual project. 4. Task Two ,Three and Four are practical tasks 5. Read instructions carefully. 6. Write your full name and student...
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...Steps for Installation of TinyOS 2.1.1 over Ubuntu Installing Ubuntu 1. 2. 3. 4. Go to Ubuntu.com Select Get Ubuntu Now Select Run it with Windows Click Start Download. The file you will download is called wubi.exe (also uploaded on course schedule) 5. Install Ubunutu by running the wubi.exe file Installing TinyOS 2.1.1 1. Open Dash home on the top left corner of the desktop screen 2. Search for Terminal and Open a Terminal (i.e., console) 3. Type the following line: $ sudo gedit /etc/apt/sources.list 4. In the file sources.list that would be opened add the following lines at the end of the file and save and close the file afterwards : #tinyos deb http://hinrg.cs.jhu.edu/tinyos oneiric main 5. Back in the terminal (i.e., console) type the following lines: $ sudo apt-get update $ sudo apt-get install tinyos-2.1.1 6. After installation is complete, in the terminal (i.e., console) type the following line: $ gedit ~/.bashrc 7. In the file .bashrc that would be opened add the following lines at the end of the file and save and close the file afterwards : export TOSROOT=/opt/tinyos-2.1.1 export TOSDIR=$TOSROOT/tos export CLASSPATH=$TOSROOT/support/sdk/java/tinyos.jar:.:$CLASSPATH export MAKERULES=$TOSROOT/support/make/Makerules export PATH=/opt/msp430/bin:$PATH #Sourcing the tinyos environment variable setup script source /opt/tinyos-2.1.1/tinyos.sh 8. Type exit in the terminal (i.e., console) to close it 9. Open a new terminal, if everything went well you should see a message on top...
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...Ubuntu Touch Cost Benefit Analysis After being tasked with finding the best phone to meet Eduboost’s various needs, it is my pleasure to present you with my findings. But before I get into this discussion on the particular phone that I have chosen, I would like to give some background on the criteria that was used to come to this decision. I considered the various needs of Eduboost, the 170 Eduboost members, the cell phone corporation I chose, as well as Eduboost’s donors, shareholders as well as the general public. I also took into consideration the savings, the future proofing, as well as the maintenance that the device would offer when we begin promoting literacy throughout the country of Melandria. With that being said, I have chosen the Ubuntu Touch as the official phone for Eduboost’s future projects. One of the factors I focused on in the beginning is how much each phone would cost. Due to the fact that our shareholders and donors have given us a set budget, I wanted to be certain that the phone we use was as practical and cost efficient as possible. According to the CNET, the Firefox OS is offered for $25 with a compatible smartphone. That is a huge difference in price when it is compared to the Ubuntu Touch, which is priced at $170 with a compatible smartphone. When factoring in the 170 Eduboost members, the total cost of Firefox OS phones would be $4,250 for the Eduboost; whereas, the total cost for Ubuntu Touch would be $11,900. Now while Firefox OS is offering their...
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...1 জ উফুন্টু শক্ষা যচনা: অদনান কাআয়ু ভ। আ-মভআর: adnan@quaium.com, adnan.quaium@aiub.edu, adnan.quaium@gmail.com, adnan.quaium@ubuntu.com, adnan.quaium@ubuntu-bd.org, adnan.quaium@linux.org.bd য়য়ফাআট: www.adnan.quaium.com ম্পাদনা: মযজয়ানু য যভান ান্থ। আ-মভআর: panthorezwan@yahoo.com প্রথভ প্রকা: য়টাফয, ২০১২। ংয়াশধত শিতীয় প্রকা: শিয়ম্বয, ২০১২। ফআশট ম্পূর্ণ শফনাভূ য়রে িাউনয়রাি ময়ায কযা মায়ফ। তয়ফ, মরখয়কয নু ভশত ফোতীত অংশক ফা ূ র্ণ ভুদ্রন কযা মায়ফ না ফা ভুদ্রন কয়য শফক্রয় কযা মায়ফ না। 2 শকছু কথা শরনাক্স শনয়য় অগ্র শছর য়নক শদন ধয়য। শকন্তু, শরনাক্স কী, মকন ফা কীবায়ফ ফোফায কযফ শকছুআ জানতাভ না। একশদন অদনান বাআয়য়য য়য়ফাআটটা অশফষ্কায কশয। উফুন্টু শনয়য় ু ন্দয একটা ভোনু য়ার মখায়ন াআ। ফাংরায় এত জ অয প্রাঞ্জর শটউটশযয়ার অশভ অয মদশখশন। শটউয়টাশযয়ারগুয়রা ড়ায য অভায ভাথায় একটা অআশিয়া অয়। মটা র, নরাআয়ন ফায য়ক্ষ শটউটশযয়ারগুয়রা ড়া ম্ভফ নয়। মশদ, মজগুয়রা মব কয়য পরাআয়ন ড়া ম্ভফ, শকন্তু এতগুয়রা মজ মব কযা য়নয়কয কায়ছআ শফযশিকয ভয়ন য়ত ায়য। তাআ, এআ শটউটশযয়ারগুয়রা একশিত কয়য মশদ একটা শশিএপ ফআ ততশয কযা য় তায়র মটাআ য়নক বার য়ফ। ফআ ততশযয নু ভশত চাআয়তআ অদনা ন বাআ ানয়ন্দ যাশজ য়য় মান। প্রকাশত য় উফুন্টু শনয়য় প্রথভ ফাংরা আফুক ‗জ উফুন্টু শক্ষা‘। প্রশত ছয় ভা য য উফুন্টুয নতু ন বাণন মফয য়। তাআ, মকফরভাি ‗রং টাভণ ায়াটণ‘ ফা এরশটএ শযশরজগুয়রায য শবশি কয়য মরখাগুয়রা মরখা য়য়য়ছ। এরশটএ শযশরজগুয়রা প্রশত দু’ফছয য য মফয য় য় এফং এগুয়রা মিস্কটয় ৩ ফছয াবণায়য ৫ ফছয ায়াটণ ায়। ফতণভায়ন মম এরশটএ শযশরজশট এখায়ন ফোফায কযা য়য়য়ছ মশট য়ে উফুন্টু...
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