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• How to get the correct battery status?

  - by GUI Junkie

  At this moment, ever since I installed Ubuntu on this machine, the battery status says: not present. Looking at this answer, however, I find that /proc/acpi/battery/BAT1/info (sometimes its /proc/acpi/battery/BAT0/info, use tab complete to help) has the following info: present: yes design capacity: 4400 mAh last full capacity: 4400 mAh battery technology: rechargeable design voltage: 11100 mV design capacity warning: 300 mAh design capacity low: 132 mAh cycle count: 0 capacity granularity 1: 32 mAh capacity granularity 2: 32 mAh model number: BAT1 serial number: 11 battery type: 11 OEM info: 11 In accordance to this answer, I've checked the /proc/acpi/battery/BAT1/state file: present: yes capacity state: ok charging state: charged present rate: unknown remaining capacity: unknown present voltage: 10000 mV The acpi -b command returns: Battery 0: Unknown, 0%, rate information unavailable Any suggestions on getting the battery info updated?

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• Black bars around screen? Catalyst Control Center problem?

  - by Josh B

  I just newly install Ubuntu 12.04, and im running an HDMI cable from my computer to my ASUS monitor. Now in Windows 7, i did not have these black bar issues running at 1080p. But now in Ubuntu, i have these black bars. I installed the ATI Catalyst Control Center, and I went to go in to fix the scaling but it is grayed out. As you can see, even with the override box checked i still can not set the scaling. The monitor was set to a lower resolution to hopefully fix it but that did not work either. Does anyone know how to fix this? Thanks.

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• How to control fan speed and temperatures on Asus A8Js laptop?

  - by Azeworai

  Hi, I have tried installing asusfan and lm-sensors but I'm unable to control my fans to cool my laptop down sufficiently. Currently it overheats at about 100 degrees celsius and my sensors output somehow does not have any fan information on it: jackson@OLYMPIA:~$ sensors acpitz-virtual-0 Adapter: Virtual device temp1: +69.0°C (crit = +110.0°C) coretemp-isa-0000 Adapter: ISA adapter Core 0: +66.0°C (high = +100.0°C, crit = +100.0°C) coretemp-isa-0001 Adapter: ISA adapter Core 1: +66.0°C (high = +100.0°C, crit = +100.0°C) I have checked my bios and there isn't any fan settings there. I can consistently overheat just by converting a video via Handbrake. I have ubuntu-desktop installed for a GUI. Is there a way for me to control my fans to start spinning before it reaches a critical temperature and kills itself?

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• How do Expires headers and cache manifest rules work together?

  - by Robert K

  I find the W3C's official Offline Web Applications specification to be rather vague about how the cache manifest interacts with headers such as ETag, Expires, or Pragma on cached assets. I know that the manifest should be checked with each request so that the browser knows when to check the other assets for updates. But because the specification doesn't define how the cache manifest interacts with normal cache instructions, I can't predict precisely how the browser will react. Will assets with a future expiration date be refreshed (no matter the cache headers) when the cache manifest is updated? Or, will those assets obey the normal caching rules? Which caching mechanism, HTTP cache versus cache manifest, will take precedence, and when?

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• Why is my display name in Ubuntu Software Center some weird set of letters?

  - by Ike

  In USC, after I submit a review, my display name is "Bnxdcty"... a swell name, but where did it come from? I have checked the ubuntu single sign on page, verified my nickname on there, changed it to something else and back again for good measure, but still my reviewer name is somehow still "Bnxdcty". I even unauthorized ubuntu software center and then re-opened it/authorized it to my account. Does this just appear as this to me and others see my correct user nickname? It doesn't bother as much as it confuses me. I just know it will be something stupid that everyone knows but me.

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• Where did my hard drive go?

  - by Mike Carron

  I installed XBMCbuntu 11.0 to my Zotac Zbox AD03 with an OCZ Reflex 4 256gb SSK. The install worked fine and I was getting accustomed to the appearance and operation. When I attempted to boot from power-off the BIOS could no longer find the SSD. It refused to boot and when I checked in the BIOS, the SSD was missing from the boot list (it was there prior to the install). I rebooted from the install CD but when the system started it could not find the SSD. I replaced the SSD with a fresh one of the same type and reinstalled XBMCbuntu. This time I rebooted from the system several times successfully but when I shut it down and tried to cold boot, this drive was also gone. Does the installation do something strange to the boot record that could cause a BIOS to lose it? How do I fix this? mike

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• dhcp configuration not working ubuntu 11.10

  - by Vivek Pradhan

  I am usually behind a proxy server in college so I connect to the ethernet or wifi using manual IPv4 addresses only inside college. I have been trying really hard to get the internet work at home, there is no proxy and I have set the network to use automatic dhcp. It seems like it is not able to connect to the port, It gets disconnected after some time automatically and then tries to reconnect. The same thing is happening with wifi networks also, after some time i see a pop up asking for authentication and ultimately its not able to connect. What might be the problem here. I looked up some similar questions and checked the /etc/network/interfaces file and looks like this: auto lo iface lo inet loopback I have no idea what those lines mean but there is no configuration for eth0 or wlan0. Any help is deeply appreciated. Ubuntu loses it charms due to these small glitches.

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• Ubuntu Server 12.04 Samba Server timeout

  - by phileaton

  I am a beginner with servers. I checked the error logs for Samba and it appears that Samba is timing out when I transfer large files. I can successfully add PDFs for instance to my file server. However, I tried to add a large 1.2Gb video file and it did not succeed. This is the error in the log: smbd/process.c:244(read_packet_remainder) read_fd_with_timeout failed for client 0.0.0.0 read error = NT_STATUS_CONNECT$ Is there a way I can stop it from timing out? Any pointers would be great! Thanks!

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• Why does my computer just keep restarting while trying to install Ubuntu 13.04 (x86) from USB alongside Windows 7?

  - by Sumit Chahal

  I have checked the other questions, but none of them match my problem (the ones that do don't have satisfactory answers). I downloaded the Ubuntu 13.04 iso and burned it to my USB device following the given instructions. I was also able to boot the Ubuntu setup from it by changing the boot sequence so that the USB device is now at the top. But I am only able to use the "trial" version of Ubuntu. Every time I tick "Install Ubuntu alongside Windows" and click "Continue", the computer just restarts and I see the same Try-Ubuntu-or-install-it menu. I have tried pressing any key when that little icon appears at the bottom, but it is not at all helpful. I also read somewhere that I should eject my USB device after I click "Continue", but doing so just makes the computer run Windows 7 instead.

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• Even More Steroids for JEditorPane

  - by Geertjan

  Got some help from Ralph today and now the JEditorPane is as I want it, e.g., code folds are now supported once you click in the JEditorPane, though there are still some side effects, since this is not how anyone anticipated NetBeans editor APIs being used. But, so far, the side effects (e.g., now the hyperlinks work, but they open a new JavaScript file when you click on one of them, instead of jumping within the JEditorPane itself) are not so terrible. Error checking is also done now, which wasn't there before, i.e., red underlines and error annotations in the right margin. And maybe it's my imagination, but the editor feels a lot snappier, e.g., in code completion, than before. I've checked in the changes, they're all in this file: http://java.net/projects/nb-api-samples/sources/api-samples/content/versions/7.3/misc/CMSBackOffice2/CMSBackOffice2-editor/src/main/java/com/mycompany/cmsbackoffice2editor/GeneralTab.java

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• Fan very loud in Ubuntu 12.10

  - by Jon

  I recently installed 12.10 on my Desktop PC, moving away from Windows 7. For some reason, the fan in my computer is making an enormous amount of noise (it is running at full speed constantly). Under Windows 7, the fan would slow itself down and run at an acceptable noise level. Now, it is nearly unbearable. Checked the processes, and none are taking up a huge load on the CPU. Please help as I really can't endure this noise, and I do not want to go back to Windows 7 on this box. Some specs: - Intel 2.26 duo core - ATI 4870 - 4GB - 650W power supply

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• Cannot install build essential from the CD?

  - by munir

  After a fresh installation of Ubuntu 10.10 I tried to install build-essential from the Ubuntu installation CD. I put the cd in the cdrom and in the software repositories i checked the box install from cd(Ubuntu 10.10 release Maverick Meerkat). Then I reloaded the software repositories. The synaptic manager then tried to download some repository related files but failed to do so as i didn't have internet connection. Then I open a terminal and wrote sudo apt-get install build-essential. It prompted me if I want to install build essential y/N. I typed y but the terminal showed some errors and was not installed. I also tried to add the CD in the software repositories. I clicked add and it prompted me to insert a CD while the CD was still inside the cdrom. I clicked "ok" then and it showed it could not find any cd. What is wrong?

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• How do I set up XDMCP access via GDM?

  - by np_hard

  I am a newbie to ubuntu linux, and want to setup xdmcp access, so i can access it from my windows box using xming. part of it is learning exercise also, since i know i could use vnc to directly connect to ubuntu. I modified the gdm's custom.conf file like this [xdmcp] Enable=true but when i launch xlaunch, i see a blank screen, further diagnosing with wireshark, i got that the udp port 177 on the linux box is unreachable so i disabled the firewall on linux box, but still same result. I checked with nmap and there is no service listening on UDP 177 port, the gdnsetup on natty is quite different from the older version, where setting up xdmcp was in UI

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• How do I boot the live CD on a Macbook Pro?

  - by pst007x

  Trying to install Ubuntu-11.10-64bit-MAC on a Macbook Pro. But I cannot get the live CD to load. 'C' does not work 'CMD' does not work 'OPT' no opt key CD is not corrupt and burnt using the correct iso, all checked. Installed perfectly on my Acer PC.... God I hate Apple Macs! Mac currently has Ubuntu 10.10 32bit, but i get issues with the touchpad, I read Ubuntu 11.10-mac version resolves these issues, hence the attempted re-installation... I do not have any MAC OS installed in this PC only Ubuntu 10.10. When I press 'alt' the CD does not appear in the list only my HDD, yes my CD is working fine.

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• ubuntu 12.04 internet stopped working

  - by Daniel

  My laptop was running smoothly until yesterday. Today, I can't connect to the internet at home anymore. I am only able to access the router, but no internet access. A have a Dell Latitude E6320 with ubuntu 12.04. At my job, I don't have any problems connecting this laptop both via wireless and ethernet. At home, if I try connecting it through Windows it does work fine. I even checked the MAC addess and it's OK. My other laptop, which also runs ubuntu, is not facing this problem. I have already tried to restart and downgrade network-manager package and its dependecies. Anyone can help me please??? I am affraid I will have to reinstall everything...

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• Restoring a hard drive

  - by Indian

  I had a laptop on which there was an AMD X2 display card. Suddenly this laptop went kaput. Incidentally the hard drive was safe. I had checked it using another machine. Further, I got this hard drive covered using an external USB HDD case. One day, while sleeping, this case fell down and since then I have not been able to restore the contents of the Hard Drive (rather could not find tools to recover contents from the hard drive). This hard drive had three partitions (a) NTFS (b) Linux (either ext4 or ReiserFS; I do not remember which one I had formatted in); and (c) Swap. How do I recover my contents?

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• You couldn't write it - Expired SA account

  - by GrumpyOldDBA

  This is the stuff of DBA nightmares ! email trail: Q. Can you reset the SA account on server XXXXX, we think it has expired and now no-one can work. Connect to Server: Surely no-one would set up a Server with an sa account which expires? Thankfully not. Find sa password and change connection to use SA account. Connect without issue. Me. Have checked Server and account is fine. A. Thanks that's great, you've fixed it we can all work now....(read more)

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• Flashing task bar(firefox) in lxde panel and ubuntu internal error

  - by arroy_0209

  I have upgraded from ubuntu10.04 to 12.04 and installed lxde. The panel is now customized according to my convenience. The problem is there was a default checked option for "Flash when there is any window requiring attention" in Task bar(window list) and now when I run firefox, at times the concerned bar in the panel window list starts flashing but it is not clear exactly why at that moment firefox requires my attention. Normally this happens after I download some files (pdf files) and keep using firefox. The only solution I have found is to quit firefox and even after that I receive this message "Sorry, ubuntu12.04 has experienced an internal error. If you notice further problems, try restarting the computer." As usual I report the detailed message to ubuntu as suggested and finally restart the computer. So there are two problems, first, exactly why firefox needs my attention at times and second, why immediately after this, ubuntu experiences an internal error. Please suggest what I should do.

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• Internet stopped working suddenly on 12.04

  - by Daniel

  My laptop was running smoothly until yesterday. Today, I can't connect to the Internet at home anymore. I am only able to access the router, but no Internet access. A have a Dell Latitude E6320 with Ubuntu 12.04. At my job, I don't have any problems connecting this laptop both via Wireless and Ethernet. At home, if I try connecting it through Windows, it does work fine. I even checked the MAC address and it's OK. My other laptop, which also runs Ubuntu, is not facing this problem. I have already tried to restart and downgrade network-manager package and its dependencies. Can anyone help me please? I am afraid, I will have to reinstall everything.

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• Remove encryption from USB flash drive

  - by Timic

  It all started when I was attempting to format my PNY USB drive because it was full of junk. When it asked me what type of file system, I selected FAT but there was a checkbox below that said "Encrypt" and I accidently checked it and continue. I had no choice but to come up with a passphrase for it, and so I did, thinking I was able to remove that encryption. But after that at Disk Utility I thought I would find a "Remove Encryption" button or something like that but I didn't. I tried formatting it to remove the encryption but it gives me an error: Error Formatting, The device is busy" Detail>>> One or more block devices are holding /dev/sdb/. I am stuck, what should I do?

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• How can I solve this SAT direct corner intersection edge case?

  - by ssb

  I have a working SAT implementation, but I am running into a problem where direct collisions at a corner do not work for tiled surfaces. That is, it clips on the surface when going in a certain direction because it gets hung up on one of the tiles, and so, for example, if I walk across a floor while holding both down and left, the player will stop when meeting the next shape because the player will be colliding with the right side rather than with the top of the floor tile. This illustration shows what I mean: The top block will translate right first and then up. I have checked here and here which are helpful, but this does not address what I should do in a situation where I don't have a tile-based world. My usage of the term "tile" before isn't really accurate since what I'm doing here is manually placing square obstacles next to each other, not assigning them spots on a grid. What can I do to fix this?

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• How do I get the Touchpad Settings working on a Dell XPS 13" Ultrabook?

  - by Dennis Wisnia

  Today I got an brand new Dell XPS 13 and I really like it. Wifi/Bluetooth/Brightness works very well. But only the Touchpad makes me insane. Okay, Multitouch is really nice and i love it on my Macbook but... i must click to click. How can I set up that is an "touch" to click? Its makes me insane. click, click, click.. Can I configure it? Update: I checked the proc/devices and got: I: Bus=0011 Vendor=0002 Product=0005 Version=0000 N: Name="ImPS/2 Generic Wheel Mouse" P: Phys=isa0060/serio1/input0 S: Sysfs=/devices/platform/i8042/serio1/input/input11 U: Uniq= H: Handlers=mouse0 event11 B: PROP=0 B: EV=7 B: KEY=70000 0 0 0 0 B: REL=103 Its really bad - and anyone have an Idea that Ubuntu thinks that is an Touchpad??

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• PNG file loading error in ImageMagick

  - by khanhhh89

  I'm trying to understand the tutorial 16 at http://ogldev.atspace.co.uk, which requires the image processing library ImageMagick. But when I run the tutorial, I encountered an following error: freeglut: failed to change scree settings Error loading textures 'test.png': no decode delegates for this image format 'C:/../appdata/magick-6024a_cIJcw90t-j'@error/constitute.c/ReadImage/552 I searched for google and found that my ImageMagick library do not have PNG Delegaes, but when I checked for the information of ImageMagick, it sees PNG in its delegate lists. Command line: convert -configure Result: LIB_VERSION 0x687 DELEGATES: bzlib, freetype, jpeg, jp2, lcms, png, tiff, x11, xml, wmf, zlib Could you explain to me this error, thanks so much!

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• Store and create game objects at positions along terrain

  - by Alex

  I have a circular character that rolls down terrain like that shown in the picture below. The terrain is created from an array holding 1000 points. The ground is drawn one screen width infront and one screen width behind. So as the character moves, edges are created infront and edges are removed behind. My problem is, I want to create box2d bodies at certain locations along the path and need a way to store these creator methods or objects. I need some way to store a position at which they are created and some pointer to a function to create them, once the character is in range. I guess this would be an array of some sort that is checked each time the ground is updated and then if in range, the function is executed and removed from the array. But I'm not sure if its even possible to store pointers to functions with parameters included... any help is much appreciated!

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• How to control fan speed and temperatures on Asus A8Js laptop?

  - by Azeworai

  I have tried installing asusfan and lm-sensors but I'm unable to control my fans to cool my laptop down sufficiently. Currently it overheats at about 100 degrees celsius and my sensors output somehow does not have any fan information on it: jackson@OLYMPIA:~$ sensors acpitz-virtual-0 Adapter: Virtual device temp1: +69.0°C (crit = +110.0°C) coretemp-isa-0000 Adapter: ISA adapter Core 0: +66.0°C (high = +100.0°C, crit = +100.0°C) coretemp-isa-0001 Adapter: ISA adapter Core 1: +66.0°C (high = +100.0°C, crit = +100.0°C) I have checked my bios and there isn't any fan settings there. I can consistently overheat just by converting a video via Handbrake. I have ubuntu-desktop installed for a GUI. Is there a way for me to control my fans to start spinning before it reaches a critical temperature and kills itself?

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