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• How to describe the profession [closed]

  - by Michael Kjörling

  Possible Duplicates: How to explain programming to a non-programmer? Getting non-programmers to understand the development process I was asked a question today that made me think. Here's a middle age person who apparently knows nothing about computers besides this specific application they use (I actually suggested to use Calculator, rather than hunt around the whole office for a hand-held one which had mysteriously vanished, and the fact that the computer could be used for such tasks was apparently news), asking me to explain what programming is about. In general. I tried, but am not sure I managed very well. But it got me thinking. What would be a good way to describe programming, or more generally speaking systems development, to a person like that? How have you responded being put in a similar situation?

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• Why is it taking so long to open the Ubuntu Help Center?

  - by Agmenor

  When I click on the Help Center Icon in the 'System' menu, it takes more than a minute to launch the program. More than a minute, for a text only program seeming like a website! All my other programs work fine, and I saw this problem also on other computers. Is there a reason for this? Will it be fixed? I think it is an important issue for beginners. As a response to Scaine, the result of the command software-center is the following: Traceback (most recent call last): File "/usr/share/software-center/update-software-center-agent", line 72, in <module> db = xapian.WritableDatabase(pathname, xapian.DB_CREATE_OR_OVERWRITE) File "/usr/lib/python2.6/dist-packages/xapian.py", line 3195, in __init__ _xapian.WritableDatabase_swiginit(self,_xapian.new_WritableDatabase(*args)) xapian.DatabaseLockError: Unable to acquire database write lock on /home/agmenor/.cache/software-center/software-center-agent.db.tmp: already locked 2011-01-11 19:57:24,495 - softwarecenter.app - INFO - software-center-agent finished with status 1

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• How to set-up my own cloud server?

  - by WMRKameleon

  I am a student, 17 years of age and wanting to access all of my files at greatest ease. i would like to have a system like this: Computer A, B and C are the computers on which I work and to which the files should be available. Server A is located in my room and I can install Ubuntu on it. What is the goal? I want to edit files on computer A (e.g.) and computer A should update the file on my server, afterwards the server should update the files on computer B and C. (The same goes for editing files on computer B, afterwards the server has to update the files on A and C.) How am I able to set-up a network like this? It is about music, movies, pictures, documents... Thanks for those who are going to reply!

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• How often do CPUs make calculation errors?

  - by veryfoolish

  In Dijkstra's Notes on Structured Programming he talks a lot about the provability of computer programs as abstract entities. As a corollary, he remarks how testing isn't enough. E.g., he points out the fact that it would be impossible to test a multiplication function f(x,y) = x*y for any large values of x and y across the entire ranges of x and y. My question concerns his misc. remarks on "lousy hardware". I know the essay was written in the 1970s when computer hardware was less reliable, but computers still aren't perfect, so they must make calculation mistakes sometimes. Does anybody know how often this happens or if there are any statistics on this?

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• Acer Aspire One 722 broadcom 4313 wifi

  - by Colin Matheson

  I had an Acer Aspire One 722 with the Atheros Wifi card and it worked fine on 11.04. So we bought 200 of them for our school. However these all came with the Broadcom BCM4313 wireless card and there are issues. It is using the brcmsmac driver and they connect initially. However after a time (sometimes just a few webpages) some of them lose connection. However, they still have an IP and network-manager says they are connected, but no pages load and you can't ping anything on the LAN or internet. A disconnect/reconnect can fix it, but sometimes a restart is required. It happens frequently so is a major issue. Lots of broadcom drivers are blacklisted: bcm43xx, b43, brcm80211. Any ideas or experiences with the broadcom4313 card? Please save these computers from a Windows fate!

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• The Best Articles for Playing, Customizing, and Organizing Your Media

  - by Lori Kaufman

  Computers today are used for much more than generating documents, writing and receiving email, and surfing the web. We also use them to listen to music, watch movies and TV shows, and to transfer media to and from mobile devices. Below are links to many articles we have published on various media topics, such as streaming media, managing and organizing your media, converting media formats, obtaining album art, preparing media for transfer to mobile devices, and some general information about working with audio and video. You’ll also find links to articles about specific media tools, such as Audacity, XBMC, Windows Media Player, VLC, and iTunes. How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage

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• host and share files in my hosting

  - by user1314836

  I currently have a domain+hosting with unlimited hosting space for our website. On the other hand, I use Dropbox to share our organizational files and photos between about 10 users. The thing is that sharing photos uses too much space for what a free Dropbox account offers. So I am thinking of taking advantage of my hosting space, but using FTP seems not to be ideal for users who are not too skilled with computers. In addition, it doesn't handle versions in case some user makes a mess of it. And using a public FTP to upload and giving them only download permission doesn't seem a good idea as I am only the CTO. So what I want is basically to implement a local Dropbox for a few users, but I'd prefer something that is not too complex to install/mantain. Thank you a lot.

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• How do I use apt-get to update to the latest kernel?

  - by Bucic

  My current kernel is 3.2.0-26 (my main computer) while on another of my Ubuntu computers, with which I didn't fiddle with unofficial updates, it's 3.2.0-30. Yet the Update manager on my main computer doesn't show available kernel updates. It shows other updates though. I suspect is due to the fact that in the past I installed multiple mainline kernel versions (not recommended versions), up to 3.5* series. What I'm after: Either: Fix automatic kernel updates. Or: Learn about a way to check for the latest official ubuntu kernel version and get it manually (I know how to install kernels from debs) What I have already tried: Uninstalled unused kernels including "the generic one without a number" as per http://askubuntu.com/a/103875/29347 and then also https://ubuntugenius.wordpress.com/2011/01/08/ubuntu-cleanup-how-to-remove-all-unused-linux-kernel-headers-images-and-modules/

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• Tired of windows. How Can Switch to Ubuntu ?

  - by Noah

  Im thinking strongly about starting to use Ubuntu. I am tired of windows and how every computer i get/have runs with it. I'm not real good with computers, but I'm good enough for my needs. Ive used Ubuntu in the past of a friends computer and always pretty impressed with what he could make it do, look like, and the fact that was able to run windows along with it. His computer never crashed or got viruses. That sounds like something i could get used to. Id like to here what some of you think.Also I keep reading about a live cd that allows you to run Ubuntu with windows to basically try it and not have to commit. If so how can I get that. i havent been able to find it anywhere.

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• Setting primary internet connection and network on notebook

  - by Francois

  I have installed Ubuntu on a notebook that I have configured to connect to the internet using an Iburst USB modem. This works 100% after a bit of configuring. I now have a desktop pc that I have installed ubuntu on, and would like to connect the two with a router. I bought a router with wifi, and would like to connect my notebook to the other computer using wifi, while still keeping the internet working with the usb modem. The problem is that as soon as the wifi connect, the internet connection dies. Is there a way to force ubuntu to get internet access through the usb modem, but use wifi to connect to the network? I am pretty new to ubuntu so any help would be appreciated. I also have a samsung galaxy tab that I would like to connect to the internet through usb modem via the wifi, so is there also a way to share that internet connection with the other computers on the network? Thanks in advance.....

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• BYOD-The Tablet Difference

  - by Samantha.Y. Ma

  By Allison Kutz, Lindsay Richardson, and Jennifer Rossbach, Sales Consultants Normal 0 false false false EN-US ZH-TW X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";} Less than three years ago, Apple introduced a new concept to the world: The Tablet. It’s hard to believe that in only 32 months, the iPad induced an entire new way to do business. Because of their mobility and ease-of-use, tablets have grown in popularity to keep up with the increasing “on the go” lifestyle, and their popularity isn’t expected to decrease any time soon. In fact, global tablet sales are expected to increase drastically within the next five years, from 56 million tablets to 375 million by 2016. Tablets have been utilized for every function imaginable in today’s world. With over 730,000 active applications available for the iPad, these tablets are educational devices, portable book collections, gateways into social media, entertainment for children when Mom and Dad need a minute on their own, and so much more. It’s no wonder that 74% of those who own a tablet use it daily, 60% use it several times a day, and an average of 13.9 hours per week are spent tapping away. Tablets have become a critical part of a user’s personal life; but why stop there? Businesses today are taking major strides in implementing these devices, with the hopes of benefiting from efficiency and productivity gains. Limo and taxi drivers use tablets as payment devices instead of traditional cash transactions. Retail outlets use tablets to find the exact merchandise customers are looking for. Professors use tablets to teach their classes, and business professionals demonstrate solutions and review reports from tablets. Since an overwhelming majority of tablet users have started to use their personal iPads, PlayBooks, Galaxys, etc. in the workforce, organizations have had to make a change. In many cases, companies are willing to make that change. In fact, 79% of companies are making new investments in mobility this year. Gartner reported that 90% of organizations are expected to support corporate applications on personal devices by 2014. It’s not just companies that are changing. Business professionals have become accustomed to tablets making their personal lives easier, and want that same effect in the workplace. Professionals no longer want to waste time manually entering data in their computer, or worse yet in a notebook, especially when the data has to be later transcribed to an online system. The response: the Bring Your Own Device phenomenon. According to Gartner, BOYD is “an alternative strategy allowing employees, business partners and other users to utilize a personally selected and purchased client device to execute enterprise applications and access data.” Employees whose companies embrace this trend are more efficient because they get to use devices they are already accustomed to. Tablets change the game when it comes to how sales professionals perform their jobs. Sales reps can easily store and access customer information and analytics using tablet applications, such as Oracle Fusion Tap. This method is much more enticing for sales reps than spending time logging interactions on their (what seem to be outdated) computers. Forrester & IDC reported that on average sales reps spend 65% of their time on activities other than selling, so having a tablet application to use on the go is extremely powerful. In February, Information Week released a list of “9 Powerful Business Uses for Tablet Computers,” ranging from “enhancing the customer experience” to “improving data accuracy” to “eco-friendly motivations”. Tablets compliment the lifestyle of professionals who strive to be effective and efficient, both in the office and on the road. Three Things Businesses Need to do to Embrace BYOD Make customer-facing websites tablet-friendly for consistent user experiences Develop tablet applications to continue to enhance the customer experience Embrace and use the technology that comes with tablets Almost 55 million people in the U.S. own tablets because they are convenient, easy, and powerful. These are qualities that companies strive to achieve with any piece of technology. The inherent power of the devices coupled with the growing number of business applications ensures that tablets will transform the way that companies and employees perform.

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• How to sync calendar with android without google?

  - by YSN

  Hi folks, is there a way to sync an Ubuntu calendar application like Thunderbird Lightning or Evolution with an Android device without using google-calendar? At the moment I am syncing my Thunderbird-Lightning calendars on different computers via Dropbox, what is much more reliable than google-calendar. Another big advantage over google-calendar is, that I can access my appointments offline as well, since the calendar files are synced onto the harddrive of each computer by Dropbox. I'd like to access those calendars via my android device as well. The Dropbox-app for android does not support automatic syncing yet, so it seems like I have to use another service. Apart from that I guess I need to know an android app, that can access a calendar-file stored in ics-format. Thanks in advance YSN

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• Help with creating bootable usb from iso

  - by Deus Deceit

  --All this is about terminal-- I know some of you will laugh, but I'm trying to install Arch Linux, since I want to learn as much as I can about linux system and how it works. I want to be an expert (maybe in 1000 years, but that's okay :)). The problem is that even tho I know how to do some stuff under linux I'm having a hard time with those names about hard drives, usb, cd, blah blah and how to access them. Big introduction and no question yet, but the purpose is for you to see where I'm standing and give me as many details as possible. And here's the question: How can I put the .iso file in a usb that will run on computers startup and allow me to install Arch linux? Details as to how to turn my pc on and hit F8 or whatever can be discarted lmao :) Ty in advance.

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• How To Play DVDs on Windows 8

  - by Chris Hoffman

  Upgrade to Windows 8 and you may be surprised to find that you can no longer play video DVDs. Unlike previous versions of Windows, Windows 8 doesn’t include built-in support for playing DVDs. Microsoft opted not to include DVD support because so many new computers – especially tablets and ultrabooks – aren’t coming with DVD drives. Microsoft pays a licensing fee for each copy of Windows that ships with DVD support. Note: You can still use data DVDs with Windows 8. This only applies to video DVDs. 6 Start Menu Replacements for Windows 8 What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8

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• Help with Kodak esp 3250 printer driver on Lubuntu 12.1 SOLVED!

  - by user108608

  First my system: pentium 4 -don't remember the speed-, 1g ram, dual boot to separate physical drives, Fdos and Lubuntu 12.1 second my lan: I have four computers operating for the same printer. 1. Intel quad core i5, 4g ram, running Windoze 7 64 bit, printer connected and shared from here. Kodak ESP 3250 2. Gateway 17" laptop running Windoze 7 32bit 3. Asus tablet (small laptop) running Lumbutu 12.1 4. My dual boot system running Fdos and Lubuntu 12.1 The problem: I downloaded c2esp_25c-1_i386.deb, tried to install it using DEBI Package Installer, it loads the files, looks for cups driver and ends with an error: "Dependancy is not satisfiable: libcupsdriver1 (=1.4.0)" What do I do now? Is there some place that I can get the correct cups driver? further information: The Asus tablet was running Ubuntu 12.1 (very slowly and with a few crashes) and could print from the lan printer with no problems. Is there something in Ubuntu that can be loaded into Lubuntu? noobee user hoping for answers, Paul

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• Broadcom BCM4313 working, but terribly slow

  - by Ataraxio Panzetta

  Hi all, I've installed ubuntu on a Asus 1015 netbook. Everything worked out of the box except for the Wireless adapter, which i had to install with the Additional Drivers application. It apparently installed fine and connects to our wireless network, but it only works at a "funny" speed range that goes from 367Bytes to a peak of 3Kb in its best moments. I know for sure the problem is neither the network nor the hardware. Network speeds are normal under windows on this laptop and in other computers with ubuntu aswell. lspci says the card is a BCM4313 model, but the Addittional Drivers Manager says these packecege contains Broadcom 802.11 Linux STA wireless driverfor use with Broadcom's BCM4311-, BCM4312-, BCM4321-, and BCM4322 based hardware seems like it installed the wrong driver... Is there anything I can do? I'm not concerned about compiling the driver or stuff like that, but I'm not sure on where to start... any help or guidance will be very, very appreciated.

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• Best way to do large XNA animations?

  - by Harold

  What's the best way to have large animations in XNA 4.0? I have created a spritesheet with the sprite being 250x400 (more of an image than a sprite but hey ho) and there are approximately 45 frames in the animation. This causes problems for XNA as it says that the maximum filesize for Reach is 2048. I'd rather not change to hidef as I heard that means that your game is less compatible with some computers and systems so does anyone have any idea what the best thing I could do is? The only thing I could come up with is to have a list of textures to flick through but that's not ideal.

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• Disc Drives: An Endangered Species

  - by Jason Fitzpatrick

  More and more computers are shipping sans-disc drive leading many industry watchers to proclaim the optical disc an endangered species on its way out. Do you still use your drive or are you letting the disc go? CNN Tech reports on the trend: Apple’s new iMac, its flagship desktop computer, was released Friday. For the first time, it has no disc drive. This marks a trend that has already begun on some laptops, like Apple’s MacBook Airs, and of course with mobile devices like smartphones and tablets. “Over time, an optical disc will be as much of an historical curiosity as a floppy disk,” said Michael Gartenberg, a tech-industry analyst with research firm Gartner Inc. According to Apple, where sleeker, thinner designs are always en vogue, dumping the disc drive was a no-brainer. How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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• Software/Hardware Development?

  - by SwarthyMantooth

  Sincere apologies if this is the wrong place to ask this. I am a computer engineering student and I'm currently on my first co-op of the required 5 I have to take, and I've noticed that all I'm really given is software engineering jobs. I love developing software, but I don't want to lose out on the hardware aspect of computers, as having a hybrid knowledge of the two is why I chose this major in the first place. So I guess my question is: Are there any software engineering jobs that still allow you to handle and interface with hardware on a very low level? Or am I to be forced to choose which focus I love more?

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• How To Use DosBox for Windows 7

  While many modern games use every bit of technology available to give gamers the latest in graphics sound and advanced gameplay some just cannot duplicate the fun that old games used to offer. A lot of fun yet old DOS games will not run on modern computers or operating systems like Windows 7 keeping you from experiencing nostalgic gaming bliss. Thanks to an emulator called DOSBox however you can enjoy many old DOS games on your Windows 7 machines and it does not matter if you are running the 32-bit or 64-bit version of the operating system.... Comcast? Business Class - Official Site Learn About Comcast Small Business Services. Best in Phone, TV & Internet.

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• Recovering data from hard disk after an accidental Ubuntu reinstallation

  - by Saurabh Agarwal

  My computer got wiped accidentally due to a fresh Ubuntu installation. Since the drive contains very important data and codes, it would be really great if the same could be recovered. It is a 2TB hard drive which had Ubuntu 10.10 earlier. It now has a Ubuntu 12.04 installed on it (which I understand occupies ~4GB). The machine has been powered off since. The installation was done using a usb with the option where the previous ubuntu installation is removed. Since installation doesn't take a lot of time, I'm inclined to think that the disk wasn't completely formatted and that most of the data is still there. I have no experience with recovery and hence a detailed explanation is very helpful. NOTE: I can arrange an additional 2TB hard disk for copying data. My computer has a fast internet connection and I have other computers connected to the network which I may use to access the previous one as well.

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• How do I get rid of the drive mount confirmation question for sshFS on boot?

  - by Dave M G

  With help from this site, I was able to set up an SSHFS connection between two computers on my LAN so that one auto mounts on the other at boot time. Everything works, but there is this annoying confirmation that comes up whenever I boot: An error occurred while mounting /home/dave/Mythbuntu. Press S to skip mounting or M or Manual recovery If I press S, then booting continues, and my drive is mounted as hoped, so it seems like even though I "skipped" it, maybe it tried again and succeeded later in the boot process. I followed the instructions here to set up "if up / if down" scripts, and here is my current /etc/fstab: sshfs#[email protected]:/home/mythbuntu /home/dave/Mythbuntu fuse auto,users,exec,uid=1000,gid=1000,allow_other,reconnect,transform_symlinks,BatchMode=yes 0 0 Although the mounting is working, this step of having to press S every time I boot is obviously kind of a hassle. How do I configure my computer so I don't have to do that, and so that my other computer will still automount?

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• Computer Science Fundamentals - Recommended books

  - by contactmatt

  Hey, I'm looking to see if anyone can recommend any books in fundamentals of computer science. I obtained my associates degree as a programmer/analyst a couple years ago and I know a good amount about programming on the .NET framework. I'm even certified on the .NET 4 framework as a web application developer. However, since I was only able to obtain my associates degree, I was deprived at my college on the low-level basics and operations of computers and basic computer science information. I'm really interesting in learning about the low-level operations of a computer and in programming (bytes, bits, memory management, etc.) Can anyone recommend any good computer science books for someone who is decently experienced in programming? Thank You

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• I have 20 Ubuntu 12.04 LTS machines Some are unable to network with other machines , they all have same workgroup viz. Ubuntu

  - by Gaurang Agrawal

  During installation I updated my workgroup to "Workgroup" , after installation I changed it to ubuntu as I was unable to access computers in network . What changes do I need to make in samba configuration ? I don't know if this is related , shared@shared:~$ testparm Load smb config files from /etc/samba/smb.conf rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384) Processing section "[printers]" Processing section "[print$]" Loaded services file OK. Server role: ROLE_STANDALONE Press enter to see a dump of your service definitions [global] workgroup = UBUNTU server string = %h server (Samba, Ubuntu) encrypt passwords = No map to guest = Bad User obey pam restrictions = Yes pam password change = Yes passwd program = /usr/bin/passwd %u passwd chat = Enter\snew\s\spassword:* %n\n Retype\snew\s\spassword:* %n\n password\supdated\ssuccessfully . username map = /etc/samba/smbusers unix password sync = Yes syslog = 0 log file = /var/log/samba/log.%m max log size = 1000 name resolve order = bcast host dns proxy = No usershare allow guests = Yes panic action = /usr/share/samba/panic-action %d idmap config * : backend = tdb [printers] comment = All Printers path = /var/spool/samba create mask = 0700 printable = Yes print ok = Yes browseable = No [print$] comment = Printer Drivers path = /var/lib/samba/printers smbclient -L 192.168.1.108 Enter shared's password: Connection to 192.168.1.108 failed (Error NT_STATUS_HOST_UNREACHABLE)

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• Better way to set up samba bridge?

  - by Adam Butler

  I have an old ubuntu laptop hooked up to between my wireless network and a wired media player box. I had previously shared my wireless network connection so the media player had internet access (ie. via nat) because it was a different subnet it could not access the file shares on the wireless network. To get around this I mounted the drives from the wireless network on the laptop and re-shared them with samba. This worked ok but had some drawbacks, it seemed slow and if network computers were turned off when the laptop rebooted I had to manually mount the shares. I've just re-installed with the latest ubuntu and was wondering if there is a better way to do this. Is there some way to bridge so the media player appears to be on the wireless network? Would this give better performance? Any other options? I'm also thinking there might be some samba options that could buffer files?

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