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• Disable plugin in Firefox (acroread)

  - by cboettig

  I installed acroread from the repositories, and it has decided it should be the default plugin in Firefox, such that when I click on a pdf, it opens in a Firefox window. Unfortunately, it does not display (at least when in dual head mode). This should be simple, but I cannot disable the plugin. Under Firefox Edit - Preferences- Applications - pdf is set to "always ask" so I don't know why it uses acroread in the first place. Under Tools - Manage Content Plugins I see acroread is selected for pdf content. I have the option in the dropdown to search for a new plugin, but not to simply download the file. Typing about:config into the Firefox toolbar gives me a list of configuration options, but does not mention plugin.disable or acroread anywhere. How do I disable the plugin? I have Firefox 11.0 on Ubuntu 11.10

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• Can't find ALL wireless networks, just my neighbours

  - by motoringeek

  Been playing with live discs since 10.10 but now have gone ahead and dual booted. I have a Acer 5742z with a Nplify 802.11b/g/n wireless connection. The install went well and drivers seem to be working. BUT, although wireless detects some local networks it doesn't find mine. I have WPA-PSK security on my modem, could this be the problem?? I don't want to change my modem settings as all my other WIFI devices are contected to it. So I need help in finding my home network. A step by step guide would be useful. I am using Windows 7 now to write this but would love it if I could use Ubuntu online. I only can when I connect an Ethernet cable. Thanks in advance.

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• How to get windows back? Lubuntu?

  - by Jon

  I installed lubuntu and I don't like it. I did a clean install to lubuntu rather than making it dual. Now when I want to go back to Windows it won't work. I put the Windows Vista CD in and it won't load. It just loads lubuntu back. I know for a fact that the CD works just fine. I don't know what to do? I did a little research and it says I deleted the windows loader or the partition. Can someone help me?

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• Some websites are not opening in any web browser (firefox/chrome). What should I do? [closed]

  - by Jamal

  Some websites are not opening in my system. I am using Ubuntu 12.10. Earlier, when I was using Ubuntu 10.10,11.10 there was no such issue. The problem was started in ubuntu 12.04, but it remained the same even after formatting and installing ubuntu 12.10. I have tried Firefox as well as Chromium and I am sure the issue is not with the browser. same websites are opening perfectly with Windows. Google, Twitter and Ubuntu related websites are running perfect. Other websites like www.downrightnow.com, easy-mantra.com, facebook.com, sourceforge.net are not opening. Installed dual boot with win xp. Ubuntu 12.10 is 64 bit. Processor Intel core i3, RAM 4GB. $ cat /etc/resolv.conf <-- Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) -- DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN -- output --> nameserver 127.0.1.1

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• Boot-Repair after messing up NTFS partition

  - by QuietThud

  I posted this question explaining what happened after I tried to create a new swap partition on a Win/Ubuntu dual-boot machine. I have since created a live-boot USB and installed Boot-Repair. I had it "recommend repairs", after which it tried repairing the wubi filesystems, which as far as I'm aware was not necessary. I'm not sure where to go from here; I don't care very much about backing up my files, I just want to be able to boot the machine. In the Advanced Options the "Repair Windows boot files" box is uncheckable both GRUB tabs are unclickable (I do have GRUB installed) Here is my Pastebinit with the details from the Boot-Repair. Please be as explicit as possible, as I am proving to be disproportionately bad at this type of task. Thank you! P.S. I keep seeing: cryptsetup: WARNING: failed to detect canonical device of overlayfs cryptsetup: WARNING: could not determine root device from /etc/fstab TestDisk: GPARTED:

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• How do I take an image/backup of Ubuntu partition and restore to VirtualBox VM

  - by whizkid

  I have Ubuntu 10.04 installed on an older hard disk. I recently bought a new disk and already installed Windows 7. I dont want to use the older disk anymore, and I would like to keep on using Ubuntu in a virtual machine on the new disk(to avoid the possible mess-ups of dual boot and I found VirtualBox is the best free tool for this). I wish to keep the exact same data\programs\configurations\settings I had been using in Ubuntu for so long, and avoid the tedious part of having to reconfigure so many things. How do I backup\restore Ubuntu to another disk? I would prefer a free tool to do the backup\restore.

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• Fullscreen windowed mode in id games

  - by Oli

  I run a TwinView, dual monitor system. I like to play games fullscreen on one of the monitors, not spanning both. With wine, this works by just setting it to desktop mode and setting the resolution to that of one screen. For OpenTTD, I used Compiz's Window Rules plugin. But I have a few native games that this doesn't work for. Today's experiment involved Prey (Doom 3 engine) but I've had similar issues with other ID engines. So in short: has anybody found a way of having Prey/OpenAreana/Doom3/etc run in windowed mode but with fullscreen decorations (that is to say, no borders and above the panel)?

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• 64 bit Ubuntu sees half my RAM

  - by koehn

  This is on my AMD FX(tm)-4100 Quad-Core Processor (according to /proc/cpuinfo) on a machine with two 4GB RAM DIMMs. BIOS shows 8GB RAM installed. Any help would be appreciated. RAM: Extreme Performance Sector 5 G Series 8GB DDR3-1333 (PC3-1066) Enhanced Latency Dual Channel Desktop Memory Kit (Two 4GB Memory Modules) MB: GA-78LMT-S2P Socket AM3+ 760G mATX AMD Motherboard CPU: FX 4100 Black Edition 3.6GHz Quad-Core Socket AM3+ Boxed Processor Here's what the software says: $ free total used free shared buffers cached Mem: 3515100 3293656 221444 0 19260 2670352 -/+ buffers/cache: 604044 2911056 Swap: 3650556 90916 3559640 $ uname -a Linux mythbuntu 3.2.0-30-generic #48-Ubuntu SMP Fri Aug 24 16:52:48 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux From lshw: *-memory description: System Memory physical id: 20 slot: System board or motherboard size: 4GiB *-bank:0 description: DIMM 1066 MHz (0.9 ns) product: None vendor: None physical id: 0 serial: None slot: A0 size: 2GiB width: 64 bits clock: 1066MHz (0.9ns) *-bank:1 description: DIMM 1066 MHz (0.9 ns) product: None vendor: None physical id: 1 serial: None slot: A1 size: 2GiB width: 64 bits clock: 1066MHz (0.9ns)

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• Why are the colors worse on Ubuntu 12.04 than on Windows 7 on my Sony Vaio E-Series?

  - by Simon Hoare

  The colours look "lacking" and ever slightly blueish and rather washed-out and lacking in dimension. Graphics are ok - this page for example looks fine - but if I view something like a news site with high quality photos, the experience is not optimal and is noticeably inferior to Windows 7. Oddly, when I install Ubuntu as a VM on VirtualBox in Windows, the colours look as I expect them to. It's only on my dual-boot version of Ubuntu that they look wrong (not Wubi, although a previous Wubi-based installation had the same problem). Now, I have the proprietary ATI driver and I can use amdcccle to get the colours closer to what they should be, but I can't seem to do anything about colour depth. The depth settings in Xorg are all 24. I tried changing all three mentions of 24 to 32 but was forced into safety mode. Fortunately, I remembered where I'd been tinkering and got the file set back to 24.

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• Ubuntu 12.04 - Unable to change brightness

  - by Raymond Standen

  So, as a number of users seem to be experiencing, I am unable to change brightness on my laptop. Using the Brightness and Lock in settings, the slider moves but brightness does not adjust. The fn keys work for volume but not for brightness. I have updated my drivers and installed all updates, however the brightness is still at maximum. I have heard that opening sudo gedit /etc/x11/xorg.conf and entering Option "RegistryDwords" "EnableBrightnessControl=1" can fix this, however when opening xorg.conf through Terminal I am greeted with a blank document... Not very reassuring. Toshiba L750 Laptop Nvidia Graphics Card Dual boot with Windows

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• How to un-fullscreen an application on your secondary monitor in 11.10

  - by Dan Rempel

  Nvidia twinview wasn't working for me very well so I uninstalled it and started using the nouveau driver, since then my dual monitors are working properly. With 11.10 the panel has changed. It appears on my main monitor only, along with the unity bar. When I have an application full screened the panel acts as the file menu, along with max, min, and close options. However I'm noticing when I have something full screened on my secondary monitor (where there is no panel) I have no way of un-fullscreening it. The panel on the main monitor do not show any options when that window is selected. This is okay for some apps like my web browser that has these buttons in it anyway, but I fullscreened Banshee and now it's stuck there... Any idea on how to un-fullscreen something in this situation?

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• Slow internet browsing in Ubuntu

  - by Mark

  I have a dual boot set up with windows and ubuntu, when I'm using windows internet browsing is a lot faster than when I'm using ubuntu and I don't know why. It's like there's just a big latency rather than the maximum speed is lower, there's a big delay before anything happens when using Ubuntu, it happens with all websites all the time. I've never configured the internet connection because it just worked straight away. I have broadband connection through a router shared with some other computers, when we set up the router and internet connection everything was done with windows. Any ideas on what I could do to fix this? Thanks to anyone who replies.

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• Battery discharges while computer is off

  - by Nuno Finote

  I bought a hp 15-r003np 2 weeks ago and installed ubuntu 14.04 LTS with dual boot (to windows 8). When i shutdown ubuntu, in the next day battery has 85% of charge, despite the computer shutdown. If i power off in windows battery charge is 100% in the next day. Does anyone have noticed the same problem? I think the network adapter is not on wol mode, seen via windows network config properties. I need help to solve this problem... (it's not right to work around restarting to windows to do the shutdown properly...)

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• Can't boot after power failure - 14.04 - GRUB even doesn't showup

  - by Nateowami

  Packages were updating when somehow the power failed (battery fully charged and power got disconnected). Now it won't boot. It doesn't even get as far as GRUB. The bios says it can't boot and press any key to retry. Fortunately all data is backed up and I can boot a live SD. Now what do I do? Model: Dell Latitude D630 Dual-boots with Windows 7, but since GRUB doesn't show up that's not bootable either. Thanks in advance for any help!

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• Grub does not autoboot the default option after upgrade to 12.10

  - by Petr Kozelka

  I recently upgraded Ubuntu from 12.04 to 12.10 and since that time, the system does not automatically boot. It always opens the boot menu, and I have to press Enter to make it boot Ubuntu. It seems to be ignoring the timeout value, and using a 'neverending' timeout. There are no other systems (no dual boot), only the options originally installed by default Ubuntu 12.04 installation. My /etc/default/grub has only these effective options: GRUB_DEFAULT='Ubuntu' GRUB_HIDDEN_TIMEOUT=1 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=1 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" GRUB_TERMINAL=console I experimented with GRUB_DEFAULT, giving it values '0', '1', 'Ubuntu' but nothing helps. Yes I always run update-grub afterwards. How can I make the system booting again ?

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• Temporary dimming of desktop in 12.04

  - by deshmukh

  I am running Ubuntu 12.04 (almost default install regularly updated) Unity interface on ASUS X53U (AMD Brazos Dual Core C60 with 2GB RAM). On launching Thunderbird and Firefox, the application dims and the cursor changes to wait mode. In case of Thunderbird, this is most pronounced with the wait time of up to a minute. Memory status checked with free indicates around 500MB of free memory on such occasions. The OS is stable and I can switch to a different work-space, etc. What could this be? Is this something normal?

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• Commodore relance l'Amiga et le C64 avec des versions modernisées de ses classiques des années 80

  Commodore relance l'Amiga et le C64 La société sort des versions modernisées de ses classiques des années 80 Il y a des noms qui inspirent la nostalgie. Amstrad CPC 464 ou 6128, par exemple. Ou Atari ST. Et à coup sûr Commodore C64 et Amiga. [IMG]http://ftp-developpez.com/gordon-fowler/Commodore/C64.png[/IMG] Et bien que les nostalgiques se réjouissent, Commodore USA a eu la bonne idée de relancer ses deux références mythiques. Le C64 nouvelle version se présente sous la forme d'un clavier qui cache une carte mère mini-ITX PC, un processeur Atom Dual Core 525 et un chipset graphique de chez nVidia (le ION2). [IMG]http://f...

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• Is there a simple, safe way to trigger a GPU lockup on a susceptible computer?

  - by Abe

  Answers to my previous question, Ubuntu 12.04 froze, requiring powercycle. What should I look / grep for in the logs?, have led me to suspect that my computer is experiencing an intermittent GPU lockup. It has been happening about once a week, usually when I am using Chrome. Today it happened when I was creating a diagram on lucidchart I have a Dell Optiplex 755 with an ATI Radeon HD 2400 XT and dual monitors running in Xinerama mode. I am using 12.04 with the proprietary ATI driver installed. When the computer locks-up, I can still ssh in. And I would like to follow the instructions on reporting this provided at https://wiki.ubuntu.com/X/Troubleshooting/Freeze Is there a (safe) way to cause a GPU lockup so that I can go ahead and file a bug, rather than waiting until it happens again?

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• Wired internet speed is slow in Ubuntu 12.04

  - by RameshKatkam

  I have dual boot Windows 7 and Ubuntu 12.04 on my Dell N4110 laptop. I recently installed Ubuntu 12.04 on my existing windows 7 hard drive. I am experiencing very slow internet speed on Ubuntu(wired connection). But on Windows,internet is really fast. I disabled ipv6 by editing /etc/sysctl.conf No avail. Then i run the following command. sudo ethtool -s eth0 speed 100 duplex full autoneg off No benefit. I am having "Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 05)" network card.

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• Unable to Install GRUB in /dev/sda

  - by Henry

  I'm trying to install 12.04LTS on a server but keep running into the unable to install grub error like so "Unable to Install GRUB in /dev/sda". The drives are in raid1 and I'm using fakeraid on a supermicro motherboard, which according to the manual is fully supported. I've tried installing both from USB and CD-R but still no luck. I'm not dual booting with any other OS, just using 2x320gb drives and have been choosing to install using the entire disk. Any ideas what I'm doing wrong or can do to fix this? thanks

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• unable to enter bios

  - by fraz

  I have an asus desktop ( amd phenom X6 processor) which was preinstalled with windows 7. I wanted to install ubuntu on it (dual boot) but am unable to do so because of the boot order. So I thought of changing boot order thru bios. But it turns out, if I press any key while the computer is starting, it just doesnt boots. I can see that the keyboard and mouse are booted up. (the lights are on) but the monitor is in standby mode.. I tried tab, f2,f10, delete key. But nothing is working.. Is there a software or other alternate on how can I change boot order ? Thanks

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• Cannot install vim

  - by Max Popp

  I am running ubuntu 11.10, as xubuntu, in an amd64 pc, configured as dual boot with win7 . I tried installing vim with this: sudo apt-get install vim I got these error message: "The following packages have unmet dependencies: vim : Depends: vim-common (= 2:7.3.154+hg~74503f6ee649-2ubuntu2) but 2:7.3.154+hg~74503f6ee649-2ubuntu3 is to be installed E: Unable to correct problems, you have held broken packages." I only have a very faint idea of what the problem is, and none whatsoever on how to correct this. Hope you guys can help. Thanks

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• Number of Weeks between 2 Dates in SQL Server and Oracle

  This post gives you queries in Oracle and SQL Server to find number of weeks between 2 given dates Microsoft SQL Server Syntax: SELECT DATEDIFF (ww, '01/01/1753', '12/31/9999'); Oracle Syntax: SELECT floor(              (to_date('12/31/9999','mm/dd/yyyy')               - to_date('01/01/1753','mm/dd/yyyy')              )              / 7) diff FROM DUAL; span.fullpost {display:none;}

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• Network Manager kicks off abruptly

  - by Vijay Selvaraj

  I have installed Ubuntu 10.10 and trying to connect with my ADSL Wireless broadband internet modem using Linksys WUSB600N receiver. The good news is the OS is able to detect my wifi network and I am able to hook to network over WPA authentication with basic settings. But the network goes off abruptly and never connects again until I reboot the machine. I have Windows 7 as dual boot on my machine. The same adapter works perfectly with Windows 7 but not in Ubuntu. Is there anything in need to tweak to make things working or do I need to try any other better network manager on Ubuntu?

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• I can't get suspend, hibernate and shutdown to work in Ubuntu 12.04

  - by Fostext

  I recently built a computer with these specs: Asus Motherboard, Intel i3 3.3 GHz dual processor, 8 GB of RAM. I installed 12.04 on a brand new hard drive. I partitioned the hard drive between root, home and swap like I have often read how to do. I cannot get this machine to properly shutdown. I have to hold the power button down now. Although, for the first few days it properly shutdown. I also cannot get the system to hibernate or suspend properly. I have read tons on this and watched many YouTube tutorials on how to fix both, but the computer never wakes up after suspend or hibernate. It just stays on a black screen. Can anyone help? I love 12.04 so far, but these setbacks are making me worried about stability and power management issues. Also, I wonder if it's really bad for the hard drive to force the CPU to shutdown.

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