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• How to use unused space in ubuntu

  - by Ravi.Kumar

  I installed ubuntu on my machine with only 80 GB of memory anticipating that I will remove it later but now I want to keep it forever (until I am frustrated with linux). I have 500 GB in my machine and now I want to use that raw 420 GB of space. How I can I do that ? with "space/memory" I am referring to secondary memory not Ram. Here is output of : sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000dcb77 Device Boot Start End Blocks Id System /dev/sda1 * 2048 136718335 68358144 83 Linux

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• Over-Current condition on port 7 or 8

  - by Dymatic

  I am having a problem with my USB ports. It shows over-current conditions on ports 7 and 8. I have heard that this is caused by a damaged USB port, and since it is detecting it on two ports it seems that I have two that are broken. I do indeed have two that do not work, so that is not the issue. What I would like to do is disable whatever program is running over-current condition checks. tty's are unusable at this point. Every few second a new over-current condition occurs. Here is the output of dmesg: http://pastebin.com/CuFKRGue Is there an easy way to disable these checks or damage the ports to a point where it will no longer check? Fixing them is not important or an option.

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• Commands to run when Connecting HDMI

  - by yurividal

  Everytime I connect my pc to my tv using my HDMI cable (to watch my movies), I have to manually go to: 1- Monitors, to select "mirror" screen to HDMI 2- Sound, to select the HDMI as default sound output 3- Screen Off an Lock, to avoid screen locking while watching a video. Is there a way I can automate this? Or at least write a script with commands that will do this. (I could manually run a script every time I connect my HDMI, and then run annother one to undo the changes later) How can I do these actions from a Command Line?

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• Lubuntu 13.04 Resolution Issue du to ppa makson96

  - by Choupa

  I've installed Lubuntu 13.04 on my notebook. (It's the first time I use Lubuntu) I had graphical issue, apparently due to the graphic driver (ATI Radeon Xpress 1200) I followed this procedure to correct my problem : sudo add-apt-repository ppa:makson96 sudo apt-get update sudo apt-get upgrade sudo apt-get install fglrx-legacy My graphical issue has been corrected but now it shows a low resolution (1024*768) and I can't change it. the xrandr result : xrandr: failed to get size of gamma output default Screen 0: minimum 1024x768, current 1027x768, maximum 1024x768 default connected 1024x768+0+0 0mmx0mm 1024x768 0.0* I've already read this topic but I don't really understand how things work there. I'd really appreciate your help ! Many thanks !

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• How to charge an iPad?

  - by ibo.ezhe

  Trying to charge my iPad with my Ubuntu 11.10 laptop (HP ProBook 5320m). It connects and I am able to download photos for instance. However battery doesn't charge at all. Does anyone know how to fix this? Output of lspci | grep USB 00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02) 00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02) 00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02)

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• overriding implemented base class methods

  - by user793468

  I read somewhere that the chain of inheritance breaks when you alter a behavior from derived class. What does "altering a behavior" mean here? Is overriding an already implemented method in base class considered as "altering behavior"? Or, does the author mean altering method signatures and the output? Also, I ready Duplicating code is not a good practice, and its a maintenance nightmare. Again, does overriding an already implemented method in base class considered "Duplicating code"? If not, what would be considered as "Duplicating code"? I

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• How do you assign commands to keys in Terminal?

  - by NES

  Is there a solution to assign special key combinations to words in terminal use. For example the less command is very usefull and i use i a lot to pipe the output of another process through it. The idea would be to set up special key combinations that are only active in terminal use assigned to write different commands? So pressing CTRL + l in terminal window could write | less or CTRL + G could stand for | grep Note: i just mean adding the letters to commandline not execute the finally. A similar way what's tabcompletion but more specific.

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• How can a Cisco Aironet wireless card connect to a WPA encrypted network?

  - by Aibara Iduas

  I have a Thinkpad T40 running Ubuntu 10.10. I want to connect to wireless networks with WPA encryption; they appear in the network list, but are grayed out. The card does support WPA, since it works in Windows. In 10.10 the wireless works just fine with unprotected and WEP networks, but cannot connect to any WPA networks. The card is a Cisco Aironet Wireless 802.11b. I've been reading a lot of forum posts trying to find a solution, but either encounter threads where no solution was found or answers longer apply (most date from 2007, since this isn't the newest of computers). Here is the output of sudo lshw -c network: *-network:1 DISABLED description: Wireless Interface product: Cisco Aironet Wireless 802.11b vendor: AIRONET Wireless Communications physical id: 2 bus info: pci@000:02:02.0 logical name: eth1 version: 00 serial: 00:02:8a:78:6a:44 width: 32 bits clock: 33MHz capabilities: pm vpd bus_master cap_list rom ethernet physical wireless logical configuration: broadcast=yes driver=airo latency=64 maxlatency=4 mingnt=4 multicast=yes wireless=IEEE 802.11-DS Thanks, any help would be greatly appreciated!

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• Rehosting content from another server

  - by Lana_M

  We have a set of static pages that will augment a customer's existing site. The pages will not reside on the customer's servers for logistical reasons and because we need to maintain control of the content. The plan is for the customer to set up a mod_rewrite rule that will funnel certain types of URLs to a single server-side handler script that will grab the appropriate file from a CDN and just output its content. This illustrates the approach: <?php echo(file_get_contents(str_replace($customer_host, $cdn_host, $_SERVER['REQUEST_URI']))); ?> Can anyone think of pitfalls or offer up a different approach? Is there some way to circumvent a script altogether?

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• How do I get my RTL8192ce based wireless device working properly?

  - by JonnyTruelove

  I am using the rtl8192cu chipset (on a Belkin wireless USB adapter N300) combined with 64 bit architecture and the 3.8 kernel. Some of you may know that this doesn't work. I tried this fix - RTL8188CU USB Network Adaptor on ubuntu 13.04 and now my internet is super slow. I am totally new to Ubuntu and I am concerned I do not have the right driver. The "stock" driver was the RTL8192cu, but it didn't connect 99% of the time and if it did the upload speed was higher than the download. Right now I am connecting through my laptop with a crossover cable, so my internet connection is just fine in my apartment. Relevant output from lsusb is here: Bus 002 Device 002: ID 050d:2103 Belkin Components F7D2102 802.11n N300 Micro Wireless Adapter v3000 [Realtek RTL8192CU] (bonus question: is that [050d:2103] the actual physical address straight from the hardware? Or does it change when I put different drivers on it? I am concerned I do not have the right driver)

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• ERROR CHECKING !!

  - by moata_u

  am trying catch any error when run command in order to write an log file / report i was trying write this code : FUNCTION FOR VALIDATION function valid (){ if [ $? -eq 0 ]; then echo "$var1" ": status : OK" else echo "$var1" ": status : ERROR" fi COMMAND FUNCTION function save(){ sed -i "/:@/c connection.url=jdbc:oracle:thin:@$ip:1521:$dataBase" $search var1="adding database ip" valid $var1 sed -i "/connection.username/c connection.username=$name" #$search retval=$? var1="addning database SID" valid $var1 $retval } save OUTPUT adding database ip : status : OK sed: no input file i want out put in this way: adding database ip : status : OK sed: no input file : status : ERROR" (OR) adding database ip : status : OK addning database SID : status : ERROR" I was tried toooo much but not working with me :(((

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• SQL Concatenate

  - by Bunch

  Concatenating output from a SELECT statement is a pretty basic thing to do in SQL. The main ways to perform this would be to use either the CONCAT() function, the || operator or the + operator. It really all depends on which version of SQL you are using. The following examples use T-SQL (MS SQL Server 2005) so it uses the + operator but other SQL versions have similar syntax. If you wanted to join two fields together for a full name: SELECT (lname + ', ' + fname) AS Name FROM tblCustomers To add some static text to a value: SELECT (lname + ' - SS') AS Name FROM tblPlayers WHERE PlayerPosition = 6 Or to select some text and an integer together: SELECT (lname + cast(playerNumber as varchar) AS Name FORM tblPlayers Technorati Tags: SQL

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• How to name a method that both performs a task and returns a boolean as a status?

  - by Limbo Exile

  If there is a method bool DoStuff() { try { // doing stuff... return true; } catch (Exception ex) { return false; } } should it rather be called IsStuffDone()? Both names could be misinterpreted by the user: If the name is DoStuff() why does it return a boolean? If the name is IsStuffDone() it is not clear whether the method performs a task or only checks its result. Is there a convention for this case? Or an alternative approach, as this one is considered flawed? For example in languages that have output parameters, like C#, a boolean status variable could be passed to the method as one and the method's return type would be void.

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• SpriteBatch.Begin() making my model not render correctly

  - by manning18

  I was trying to output some debug information using DrawString when I noticed my model suddenly was being rendered like it was inside-out (like the culling had been disabled or something) and the texture maps weren't applied I commented out the DrawString method until I only had SpriteBatch.Begin() and .End() and that was enough to cause the model rendering corruption - when I commented those calls out the model rendered correctly What could this be a symptom of? I've stripped it down to the barest of code to isolate the problem and this is what I noticed. Draw code below (as stripped down as possible) GraphicsDevice.Clear(Color.LightGray); foreach (ModelMesh mesh in TIEAdvanced.Meshes) { foreach (Effect effect in mesh.Effects) { if (effect is BasicEffect) ((BasicEffect)effect).EnableDefaultLighting(); effect.CurrentTechnique.Passes[0].Apply(); } } spriteBatch.Begin(); spriteBatch.DrawString(spriteFont, "Camera Position: " + cameraPosition.ToString(), new Vector2(10, 10), Color.Blue); spriteBatch.End(); GraphicsDevice.DepthStencilState = DepthStencilState.Default; TIEAdvanced.Draw(Matrix.CreateScale(0.025f), viewMatrix, projectionMatrix);

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• Get system info from C program?

  - by Hamid

  I'm writing a little program in C that I want to use to output some system stats to my HD44780 16x2 character display. The system I'll be working with is a Debian ARM system and, although irrelevant, the display is on the GPIO header.(The system is a Raspberry Pi). As an initial (somewhat unambitious) attempt, I'd like to start with something simple like RAM and CPU usage (I'm new to C). I understand that if I make external command calls I need to fork() and execve() (or some equiv that will let me return the results), what I would like to know is how I go about getting the information I want in a nice clean format that I can use. Surely I will not have to call (for e.g); free -h And then use awk or similar to chop out the piece I want? There must be a cleaner way? The question should be seen as more of a generic, what is best practice for getting info about the system in C (the RAM/CPU usage are just an initial example).

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• How to get differents backgrounds for each desktop working properly?

  - by MaikoID

  I've followed all the instructions for getting differents wallpapers for each desktop. I'm using Ubuntu 10.10. I've installed compiz-fusion-plugins-extra to add Wallpaper plugin on my Compiz Settings Manager (ccsm). But unfortunaly I cannot get my wallpapers working properly. I follow these instructions http://ubuntuguide.net/different-wallpapers-on-each-workspace-in-ubuntu and I just get a black background. Everything works fine after I press Win+P (I don't know what is this shortcut, refresh output I guess) or switch between ttf1 and ttf8 (ctrl+alt+f1 and ctrl+alt+f8). I tried reboot but the problem persist. What can I do to resolve this issue ?

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• Configuring trace file size and number in WebCenter Content 11g

  - by Kyle Hatlestad

  Lately I've been doing a lot of debugging using the System Output tracing in WebCenter Content 11g.  This is built-in tracing in the content server which provides a great level of detail on what's happening under the hood.  You can access the settings as well as a view of the tracing by going to Administration -> System Audit Information.  From here, you can select the tracing sections to include.  Some of my personal favorites are searchquery,  systemdatabase, userstorage, and indexer.  Usually I'm trying to find out some information regarding a search, database query, or user information.  Besides debugging, it's also very helpful for performance tuning. [Read More] 

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• Quantal analyzes the HD in any boot

  - by Lucio

  I have installed Ubuntu 12.10 formating the HDD. Any time that I turn on the PC and boot Ubuntu, it always analyzes my HDD in search for bad blocks. This is what happens: When I turn on the PC and load Ubuntu, before I can login my user, appears the following image. If I press C, the process ends and I can work, if I wait until the process can finish by itself also I can work. Also I had this problem, related to the HDD. My Hard Disk Driver is a Western Digital. Is there any problem on the system? Can I stop this procedure? Information that can help: tune2fs -l output

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• Where should I store and verify files manipulated by an app

  - by Alan W. Smith

  I'm working on a little Ruby script to move screenshots while renaming them based on a specific convention. I'll be writing tests to confirm the behavior. Ruby has lots of conventions for where to store files (e.g. the "spec" and "features" directories for RSpec and Cucumber, respectively), but I'm not finding best practices for storing files that will be acted upon by the tests. The same goes for a destination for the final copies of the files. So, the question in two parts is: Where should I store files that the test cases will use for a source input. Where should tests that need to write output files send them to.

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• Is it bad form to stage a function's steps in intermediate variables (let bindings)?

  - by octopusgrabbus

  I find I tend to need intermediate variables. In Clojure that's in the form of let bindings, like cmp-result-1 and cmp-result-2 in the following function. (defn str-cmp "Takes two strings and compares them. Returns the string if a match; and nil if not." [str-1 str-2 start-pos substr-len] (let [cmp-result-1 (subs str-1 start-pos substr-len) cmp-result-2 (subs str-2 start-pos substr-len)] (compare cmp-result-1 cmp-result-2))) I could re-write this function without them, but to me, the function's purpose looks clearer. I tend to do this quite in a bit in my main, and that is primarily for debugging purposes, so I can pass a variable to print out intermediate output. Is this bad form, and, if so, why? Thanks.

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• Upcoming Webcast: Employee/Standard Supplier Inquiry/Update Responsibility Setup Diagnostic Test

  - by Oracle_EBS

  ADVISOR WEBCAST: Employee/Standard Supplier Inquiry/Update Responsibility Setup Diagnostic TestPRODUCT FAMILY: Oracle Payables March 28, 2012 at 10 am ET, 8 am MT, 6 am PT, 7:30 pm India This one-hours session is recommended for technical and functional users who create and setup separate responsibilities to achieve various supplier inquiry /update functionalities but encounter issues while accessing these functions and system does not behave as intended. In this session, we will discuss various reasons and the solutions to resolve the issues encountered.TOPICS WILL INCLUDE: Understanding the architecture of suppliers in R12 What is Employee/Standard Supplier Inquiry/Update Responsibility Setup Diagnostic Test and when to use that How to run the diagnostic How to interpret the diagnostic output and make necessary changes to setup. A brief description about the supplier import diagnostic script used to trouble shoot import issues. A short, live demonstration (only if applicable) and question and answer period will be included. Oracle Advisor Webcasts are dedicated to building your awareness around our products and services. This session does not replace offerings from Oracle Global Support Services. Current Schedule can be found on Note 740966.1 Post Presentation Recordings can be found on Note 740964.1

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• How can I get a 1920x1080 resolution?

  - by Sam T.

  I a newbie Linux and have just installed Ubuntu in a dual boot with Windows 7. I love the interface of Ubuntu but unfortunately I can only get a 800x600 or 1024x728 resolution with black bars all around the screen. I have an nVidia GTX 570 graphics card and an Asus 1080p 23" monitor. What may be of note is that I had to use the nomodeset command on installation of the boot would get stuck at a line with "nouveau", which I understand is to do with the drivers. Additionally, when I type in xrandr to the terminal, it comes up with the error message "failed to get size of gamma for output default". I guess what I am looking for here is someone who could explain to me really simply the steps I have to take to get a full 1080p resolution, at which point I am sure i will become a great fan of the OS! Thanks in advance, Sam T.

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• OpenSource Flow Charting

  - by lazyPower

  I'm looking for an application that drops output in a portable format, maybe export as an image file so I can flowchart some application designs and submit them to my boss for professional review. From what I've seen dia is about the de-facto standard for linux flowcharting, but maybe some of you out there in askubuntu land have some other suggestions for me to examine. Please keep in mind it has to offer a professional / attractive look on the final product. Maybe some color coordination of the options (logic structures are all purple, input statements are orange... for example)

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• How to connect to the internet via command line or graphical utility given I can't click at the top of the screen?

  - by Ben

  My Ubuntu 12.04 installation has an input problem resulting preventing me from clicking near the top of the screen. That is, there is an unclickable area, circa 60 pixels high and stretching all the way across the screen. I will ask about this in a later question. For now, I would just like to be able to connect to the internet, given this limitation. I am able to access the network connections application by hitting the super key and typing "network connections". There is a LAN and a wireless network available. The network icon in the bar at the top of the screen shows an empty wedge, which I suppose means that wireless is off. I've attached the cable for the Ethernet connection, but it does not seem to have connected automatically. How can I figure out what's going on? (I'll happily edit in the output of any relevant terminal commands.) Thank you.

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• Asterisk not playing custom sounds on Ubuntu Server 11.04

  - by jochy2525

  I've installed Asterisk on my Ubuntu Server, all works fine, excepts playing the custom sounds. Asterisk sounds work, but this file I've uploaded does not play (on other servers it works, it is a .WAV PCM 16bit 8000). Here is some log output: [Feb 6 22:55:45] WARNING[11045] file.c: File custom/sohoitsoluciones does not exist in any format [Feb 6 22:55:45] WARNING[11045] file.c: Unable to open custom/sohoitsoluciones (format 0x4 (ulaw)): No such file or directory [Feb 6 22:55:45] WARNING[11045] app_playback.c: ast_streamfile failed on SIP/Out4903-0000001d for custom/sohoitsoluciones How can I get Asterisk to play a custom sound?

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