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• I cant get back into Ubuntu after turning off my Acer c710 Chromebook

  - by user286880

  I took about 1 hour installing Ubuntu to my Acer chrome book. I turned off my computer and now it boots back into Chrome OS (yes i know its supposed to) Then i went onto the Chrome OS dev terminal thing and put in the code sudo cgpt -i 6 -p 5 -s 1 /dev/sda. Nothing happens it comes up with another Local Host slot. I tried using the Ctrl Alt f2 and ctrl alt f3 but nothing happened. I really need to get back onto Ubuntu. All help is appreciated.

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• Reverse WiFi to Broadcast connection coming from a USB device

  - by Daniel Clem

  I am using the app called Clockworkmod Tether. It connects using a script ( command line " gksu ./run.sh " ) on the computer. All my programs connect to the internet perfectly, minitube, midori, transmission torrents. But the network manager does not show any connection, wired or wireless. So this may cause issues? What I want to do is take this connection, and be able to share it some way, any way, by wireless. This Acer Timeline "Aspire 5810TZ" does have an Ethernet, so wired out to a router might be an option. But I would prefer to simply reverse the Wireless card to broadcast out to about 2 or 3 devices. Is this possible? Yes I have taken a look at the other questions already posted here, but the answers are 1 year old or older, and not clear at all. I am moderately comfortable (4.5 out of 10 ) on the command line. But pretty much need line by line directions for what commands are needed and what order, ect. Edit I have already tried the method of "Left click network manager, Create New Wireless Network" It is created fine, and I am able to connect to it with a tablet, but am un-able to get an outside connection with it. Using the "Shared to other computers" option because DHCP doesn't seem to work, and WEP Passphrase Security. I get an IP address on the connected device. But as I said, won't bring up any outside webpages or the like. So perhaps this is the wrong approach?

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• Monitor not detected - low resolution only

  - by Jens

  I just installed Ubuntu 11.1 on my desktop pc. It was a clean install, no upgrading. I have a Samsung Syncmaster BX2450 connected to the PC. My problem is that I cannot make Ubuntu recognize my monitor - which is capable of more than 1024. I ran a shut down of lightdm, and ran sudo X -configure, but it gave me a "configuration failed". Nothing seems to work - any ideas? VESA: GF119 Board - 13100000 xx@xxx:~$ lspci -nn |grep VGA 02:00.0 VGA compatible controller [0300]: nVidia Corporation GT520 [GeForce GT520] [10de:1040] (rev a1) xx@xxx:~$ xrandr -q xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1024 x 768 default connected 1024x768+0+0 0mm x 0mm 1024x768 61.0* 800x600 61.0 640x480 60.0

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• Frequent disconnects with oneiric server using wlan AR9285

  - by John Neil

  I'm getting a large number of disconnects from my wireless when I switched to oneiric server (I did not see these happen with oneiric desktop) from my AR9285 wireless LAN device. Here is the syslog snippet: Oct 17 09:43:17 weather kernel: [ 1537.329138] wlan0: deauthenticated from 00:12:17:7a:8e:42 (Reason: 7) Oct 17 09:43:17 weather kernel: [ 1537.340409] cfg80211: All devices are disconnected, going to restore regulatory settings Oct 17 09:43:17 weather kernel: [ 1537.340423] cfg80211: Restoring regulatory settings Oct 17 09:43:17 weather kernel: [ 1537.340435] cfg80211: Calling CRDA to update world regulatory domain Oct 17 09:43:17 weather kernel: [ 1537.348571] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain Oct 17 09:43:17 weather kernel: [ 1537.348581] cfg80211: World regulatory domain updated: Oct 17 09:43:17 weather kernel: [ 1537.348586] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Oct 17 09:43:17 weather kernel: [ 1537.348594] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Oct 17 09:43:17 weather kernel: [ 1537.348600] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Oct 17 09:43:17 weather kernel: [ 1537.348607] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Oct 17 09:43:17 weather kernel: [ 1537.348613] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Oct 17 09:43:17 weather kernel: [ 1537.348620] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Here is the relevant lspci output: # lspci | grep Atheros 02:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01) I have done quite a bit of searching and saw discussions for previous versions of ubuntu that recommended installing the linux-backports-modules package. However, this does not appear to be available for oneiric (just the headers are listed as a package). Any advice on how to achieve a stable wireless connection for this server? It's location mitigates against using a wired connection.

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• Replacing LF, NEL line endings in text file with CR+LF

  - by Tomas Lycken

  I have a text file with a strange character encoding that I'd like to convert to standard UTF-8. I have managed to get part of the way: $ file myfile.txt myfile.txt: Non-ISO extended-ASCII text, with LF, NEL line endings $ iconv -f ascii -t utf-8 myfile.txt > myfile.txt.utf8 $ file myfile.txt.utf8 myfile.txt.utf8: UTF-8 Unicode text, with LF, NEL line endings ## edit myfile.txt.utf8 using nano, to fix failed character conversions (mostly åäö) $ file myfile.txt.utf8 myfile.txt.utf8: UTF-8 Unicode text, with LF, NEL line endings However, I can't figure out how to convert the line endings. How do I do to replace LF+NEL with CR+LF (or whatever is the standard)? When I'm done, I'd like to see the following: $ file myfile.txt myfile.txt: UTF-8 Unicode text

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• How to use GCC 4.7 in place of 4.6 (Ubuntu 12.04)

  - by Larz Conwell

  So I'm working on a project and I wanted to use some C11 features for C. To use those features GCC 4.7 is required, so I went to synaptic and looked up 4.7, and I found the packages gcc-4.7-base so I installed it[1]. So now that gcc-4.7-base is installed I expected to be able to use 4.7, but no, when I do gcc --version it still shows 4.6.3 even more, when I try to directly call 4.7(via /usr/bin/gcc-4.7) it doesn't exist, though a gcc-4.6 executable does exist. How do I "activate" GCC 4.7? I read here, you do some crazy stuff with update-alternatives, but it doesn't work for me as the gcc-4.7 executable doesn't actually exist on my machine. Notes: 1. I also saw gcc-4.6-base, so I figured I'd uninstall it, but synaptic attempted to remove every package I had installed and install a Java runtime, so for obvious reason I decided not to remove it.

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• Banshee crashes consistently - is there a fix?

  - by user36334

  Since updating to ubuntu 11.10 I've had trouble with banshee. In particular when I run it I find that it crashes within an hour without fail. I get the following Unhandled Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object at Mono.Zeroconf.Providers.AvahiDBus.BrowseService.DisposeResolver () [0x00000] in <filename unknown>:0 at Mono.Zeroconf.Providers.AvahiDBus.BrowseService.Dispose () [0x00000] in <filename unknown>:0 at Mono.Zeroconf.Providers.AvahiDBus.ServiceBrowser.OnItemRemove (Int32 interface, Protocol protocol, System.String name, System.String type, System.String domain, LookupResultFlags flags) [0x00000] in <filename unknown>:0 at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&) at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 --- End of inner exception stack trace --- at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) [0x00000] in <filename unknown>:0 at System.Delegate.DynamicInvokeImpl (System.Object[] args) [0x00000] in <filename unknown>:0 at System.MulticastDelegate.DynamicInvokeImpl (System.Object[] args) [0x00000] in <filename unknown>:0 at System.Delegate.DynamicInvoke (System.Object[] args) [0x00000] in <filename unknown>:0 at NDesk.DBus.Connection.HandleSignal (NDesk.DBus.Message msg) [0x00000] in <filename unknown>:0 at NDesk.DBus.Connection.DispatchSignals () [0x00000] in <filename unknown>:0 at NDesk.DBus.Connection.Iterate () [0x00000] in <filename unknown>:0 at Mono.Zeroconf.Providers.AvahiDBus.DBusManager.IterateThread (System.Object o) [0x00000] in <filename unknown>:0 Does anyone else also have this problem?

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• Using macro keys with razer blackwidow ultimate 2013

  - by user119020

  I recently bought a Razer blackwidow ultimate 2013 keyboard. The keyboad contains 5 macro keys and according to the manual, they can be quickly set using the key combination fn+f9. However, this doesn't work; it won't record any macros. All the other function buttons on the keyboard work fine (e.g. volume up, volume down, stand-by) Does anyone know how I can enable those keys? Maybe an extra package. I am using 64 bit ubuntu 12.04 Thanks in advance :)

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• What's the location of a personal 'gtkrc' file in Ubuntu 12.04?

  - by Kevin Perez

  Good day everyone! I am currently writting a software that makes easy to change default cursor theme with a few clicks. At this point it works well, but applications like Firefox or Lazarus IDE remain with the DMZ-White cursor, everything else is ok. I noticed that when I change the default cursor using my software, and later change the 'personalized' cursor theme using Ubuntu Tweak, it does the job, and the new theme is now applied everywhere. So, what file is need to modify in order to change 'personal' cursor theme? If my software can do this, that would be great! I found that 'gtkrc' is a file where settings of GTK+ are stored. I searched in my home folder but I can't find yet. Can you help me with this, noble people of Ubuntu? :)

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• How do I disable changing proxy settings?

  - by gap

  I've got several machines, running 14.04.1, for kids to access. Each machine has accounts for each kid, as well accounts for several adults. Although I've set a system wide proxy use policy, it doesn't get used by Chrome. Instead, I had to log into each kids account and set a proxy use policy, pointing to tinyproxy/dansguardian, for safe internet access. The problem is that, should the kids get an ounce of computer savvy, they'll figure out that they can launch the proxy settings config panel from Unity, then change the proxy settings to None, and completely bypass the "safe" internet scheme I've setup. Can anyone tell me how I can disable those user accounts from being able to modify their proxy settings (not the "system wide" ones... those arent used.. this is the per-user settings). Thanks

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• tor browser install ubuntu 14.04

  - by hiyaimlisa

  I have read the answers to other questions regarding the install/running of the tor browser. I have tried the answers given but still cannot get the tor browser to run on mine. I have ubuntu 14.04 and where it shows to start tor browser when I double click all I get is an open tab full of code. Anyone with suggestions I should try? I also tried downloading from tor project did not work and tried the install using command in the terminal and it also did not work. When I had windows I had no problem with the install or the tor browser running. I really like ubuntu better this is the only thing that I am having trouble with. PLEASE HELP!!!

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• Can't see default icons and the panel on the top

  - by adi

  Unfortunately I just installed Ubuntu 12.04 and I can't see default icons and the panel on the top. But the most fustrating that some of the icons sure in there place, because if i move my mause over where the icon should be (and click) options are jumping out:eg:suspend, shut down, printer... And i can open libre office 3 by clicking the place where it should be displayed. The other probel is the stalling. Anyone has an idea? Thanks:Adam

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• Is there a better way to run ubuntu from usb disk

  - by Adam Butler

  I have an old laptop with a broken hard drive controller and am running the previous ubuntu from a usb. I installed this as per standard instructions by running some program that copied the live cd to the usb. This has had a few problems, it seems like it was just made for trying and not for everyday use. Ideally I would like to do a proper install to the usb disk instead of just running off the installer disk. Is there a way to do this? The main problems I have are: When adding mounts to fstab it gets overwritten on each reboot When installing updates the kernel cannot be updated

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• How to negate current window in gnome shell?

  - by k0pernikus

  I dislike that most websites use a black font on white background for their sites, as it gets too tiresome for me to read. Back in the days of 11.04, using Gnome2 with compiz, there actually was a Negative feature that could negate the content of any window, making the background black and the font white. Much easier on the eyes for me. Yet since 11.10, using gnome shell with mutter, I have no idea if there is something alike out there. Hence my question: How do I negate the currently active window in gnome shell? I am not interested in alternative methods, e.g. user styles. I am aware of their existence but I find it much easier to just invert the screen by the hit of a key shortcut. I also want the solution to be application-agnostic. As I also from time to time would want to invert libre-office or some other glaringly white application.

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• How to configure VNC on a remote Ubuntu server?

  - by Jason H.

  I am currently in the process of creating a Ubuntu server with Rackspace cloud and I am trying to configure this server for VNC over SSH on my MacBook Air. Here is a summary of what I am trying to accomplish. Server Details: Ubuntu 12.04 Hosted by RackSpace (no physical access) Need to run Gnome3 VNC connection must be over SSH Any guides or assistance would be great, I have installed Gnome3 and Vino for the VNC-server. I'm just not sure how to configure VNC properly. I've looked online but I'm stuck at the VNC-server portion.

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• slow speed transfering files to a local network device

  - by F. Ariel Jung

  I'm having troubles copying files from my pc(ubuntu 13.04 64 bits) to a Media Center(WDTV Live: with an SATA2 HDD attached) through the local network. the speed is to slow, it's up to 2.0 MB/s image: http://s11.postimg.org/g1nuai92b/Captura_de_pantalla_de_2013_06_24_07_46_55.png (I don't use image tag because it is a big image) my PC has a wifi network card Tp Link TL-WN951N and it is connected to a TP Link TL-WDR3500 router via wifi, and the WDTV Live is connected via LAN here is a iwconfig: eth0 no wireless extensions. lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:"TL-WDR3500" Mode:Managed Frequency:2.462 GHz Access Point: A0:F3:C1:6C:3B:F1 Bit Rate=39 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=62/70 Signal level=-48 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:33521 Invalid misc:2245290 Missed beacon:0 if more data is required I'll post it as needed. I can't figure this out, needed help. please

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• How to specify which keys CapsLock affects?

  - by Seattle Jörg

  Using Maverick, I am not able to get the CapsLock behaviour I want: I would like it to affect essentially the alphabetical, numerical, and punctuation keys, i.e. all the keys that print something (as opposed to, say, the error keys), but only them. To illuminate this with an example: when writing code that uses % as the symbol for a comment, I want to be able to position the cursor at the start of a range of lines I want to comment out, then hit CapsLock, then iteratively hit the 5 key (using QWERTZ, Shift+5 gives %) and the arrow down key, so that I can quickly place a % at the start of the lines. Ubuntu in default configuration takes CapsLock literally, so that it affects only alphabetic keys. Under Preferences/Keyboard/Layout/Options I can make it act as a pressed Shift, but then the action of the arrow keys is to select text. All the other options available are equivalent to one of these two in my case. Is it possible to somehow get this behaviour? This is standard in Windows.

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• Can't copy from clipboard to any Java applet

  - by Thomas O

  The clipboard does not work with any Java applet on my install of Ubuntu 10.04. I am using the IcedTea plugin. I cannot copy/paste from Ubuntu to Java in either direction. However, IcedTea can copy to itself - that is, I can cut text from a Java applet and paste it into another part of that same applet. Other than this, clipboard support is fine across the rest of Ubuntu. Is there anything I can do to fix this?

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• Gujarat Fonts - Indic

  - by Navin Talati

  Sir, I need to install Gujarat Fonts - INDIC. From where shell I get the concerned font file to install? I had previously Win XP and the fonts were installed but the same is not applicable for the Ubuntu. In indic case there is a facility to type gujarati as per the pronounciation using english alphabets and also gives display at a corner for guidance that which character required to be typed. Please suggest how to avail the same facility in this Ubuntu.

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• I cancelled gparted operation ,what to do next?

  - by abcd

  I cancelled gparted operation by mistake .Now one of the partition became corrupted ,what to next? Should I format it? Data is important to me ;( Edit1: I tried to recover partition using testdisk and successfully recoverd losted partition ,but another partition(an extended partition containing ubuntus ) gone ,How to recover it? :) Edit2: testdisk saved my life ,it recovered all my partition without losing data ,

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• Which ubuntu I shoul use for old desktop

  - by clickit

  I have an old computer which has 512MB RAM and 128MB Graphic card. It has windows 95 currently, it loads fine but it has some issues with Internet connection and pendrive. I am tired of solving problems. I booted live CD of ubuntu 10.10. It loads slow and some diplay problems. But it resolved my internet problem and pendrive. So I want install ubuntu which is equivalent to windows 95 in boot, application load, graphics level. Can anyone suggest unbuntu version? What about xbuntu?

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• USB file transfer preparing to copy, but file count climbs indefinitely

  - by Alex

  I have downloaded Ubuntu 12.04 to back up my Windows machine that won't boot and am running Ubuntu from the CD. I copied and pasted a volume of about 160GB to my external HDD. The transfer has been stuck in the "preparing to copy" stage for several hours and is displaying a file/GB count about twice as high as the volume of data actually being copied! The number is now larger than the entire partition that's being copied from! However I know it's doing something because occasionally it pops up with a minor I/O error on this or that file which I then have to click through. I've not had this problem before so I can only assume it's a Linux/Ubuntu thing. More importantly what I want to know is is there any other way to copy it across that will actually work?

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• Power button missing

  - by Christophe De Troyer

  An almost clean install of Ubuntu 13.10 keeps hiding the power button. I noticed before that my clock and power button were missing in the right top corner. I rebooted my system and they were back. Now I see my power button only is missing. How do I go about fixing this? I can't keep rebooting, can I? The latest thing I did was removing Ubuntu One: Removing Ubuntu One I don't think I did something that might've tinkered with these settings though.

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• How do I get a Qualcomm Atheros Killer E2200 gigabit ethernet card working on a MSI Z87-GD65?

  - by Travis Allen

  So I literally just built my first computer from scratch and I can't get the network card to work as I've gathered it requires getting some drivers somehow.. Motherboard : MSI Z87-GD65 CPU : Intel Haswell i7 Ubuntu Ver : 12.04 Using the on-board network port Please help I'm about to start crying into my keyboard over this (not really). Any info would be greatly appreciated, also please be very specific as to what I have to do as I have not used Ubuntu very much so talk to me like a child, I won't take offence. Also I've already tried following the instructions here : How do I get a Qualcomm Atheros Killer E2200 gigabit ethernet card working? I don't know if I'm just retarded or am missing something

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• GNU Octave - question about graphs and plotting

  - by Twórca

  I've had task to do - to make an graphical interpretation of adding two functions together: sin(8x) and multiplied -sign(x) in Octave, as shown on image above. And I've done that, but I don't know how to get rid of these lines, which link up gaps between separated values (for example, -1 and 1). I don't want them to be seen especially in third graph. To make helping me easier, I'm going to tell you what I did: I made linear series of numbers, from -100 to 99 (tempx). tempy = -sign(tempx) y1 = [tempy tempy tempy tempy] (this line is kinda funny, if you know Polish language) Creating y2 - sinus function y3 = y2 + y1 Plotting, subplotting... Screenshot Awaiting for instructions...

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