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• recover from sudo rm -rf command

  - by user106116

  By mistake, I ended up executing "rm -rf /" command from sudo on my laptop which erased many files before it stopped. Now when I restarted my system , it gives a GRUB rescue prompt. I am having dual boot with Ubuntu 12.04 and Windows 7 I request the help for following: How do I fix the currently installed Ubuntu without overwriting/erasing the left over files (from rm -rf command)? Is using Boot-Repair safe ? Is there a way to directly go to Windows 7?

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• Problems uploading package to launchpad

  - by user74513

  I'm having a lot of problems uploading my showdown project to a PPA. I've setup correctly PGP keys and my public ssh key to launchpad. I've packaged with debuild my C++ project, producing a source package lintian gave me only those two warnings that I think are ok for the showdown rules: W: massren source: native-package-with-dash-version W: massren source: binary-nmu-debian-revision-in-source 1.0-0extras12.04.1~ppa2 Producing a binary package works to and the package installs without problem on my ubuntu 12.04 machine, I only have a few more lintian warnings about the fact I'm installing in /opt/extras.ubuntu.com/ I'm uploading with: dput ppa:gabrielegreco/massren massren_1.0-0extras12.04.1~ppa2_source.changes When I upload with dput I have no errors, signatures seems ok, and public key seems accepted to (since the upload goes on without asking passwords...): dput ppa:gabrielegreco/massren massren_1.0-0extras12.04.1~ppa2_source.changes Checking signature on .changes gpg: Signature made Mon 02 Jul 2012 10:00:38 AM CEST using RSA key ID 49982576 gpg: Good signature from "Gabriele Greco " Good signature on /home/gabry/no-backup/massren_1.0-0extras12.04.1~ppa2_source.changes. Checking signature on .dsc gpg: Signature made Mon 02 Jul 2012 10:00:33 AM CEST using RSA key ID 49982576 gpg: Good signature from "Gabriele Greco " Good signature on /home/gabry/no-backup/massren_1.0-0extras12.04.1~ppa2.dsc. Uploading to ppa (via ftp to ppa.launchpad.net): Uploading massren_1.0-0extras12.04.1~ppa2.dsc: done. Uploading massren_1.0-0extras12.04.1~ppa2.tar.gz: done. Uploading massren_1.0-0extras12.04.1~ppa2_source.changes: done. Successfully uploaded packages. At the moment I'm not receiving responses from launchpad site, but the upload does not show in the ppa page. Previous attempts gave me response e-mails with different kind of errors: File massren_1.0-0extras12.04.1~ppa1.tar.gz mentioned in the changes has a checksum mismatch. 1503fa155226cbc4aba2f8ba9aa11a75 != 294a5e0caf3fe95b0b007a10766e9672 File massren_1.0-0extras12.04.1~ppa1.tar.gz mentioned in the changes has a checksum mismatch. 1503fa155226cbc4aba2f8ba9aa11a75 != 294a5e0caf3fe95b0b007a10766e9672 Or more cryptic: GPG verification of /srv/launchpad.net/ppa-queue/incoming/upload-ftp-20120629-163320-001135/~gabrielegreco/massren/ubuntu/massren_1.0-0extras12.04.1~ppa1.dsc failed: Verification failed 3 times: ["(7, 58, u'No data')", "(7, 58, u'No data')", "(7, 58, u'No data')"] Further error processing not possible because of a critical previous error. Any idea how can I solve this problem? I'm new to ubuntu packaging, so I may miss some step... There is an alternative to dput (aka manual upload)?

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• No GUI, only CLI is working

  - by srinivas

  Right now I'm working on I.MX53 Quick Start Board for which has provided me the eu-boot kernel image with it and Android rootfs. It is working fine. The problem is when I am trying to change the rootfs with Ubuntu, I am able to use CLI with all 6 terminals working but no GUI is working. I tried many versions of rootfs like Ubuntu 11.10, 12.04 and core etc. Everything with the same result. Please help me.

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• No Speaker sound on HP ProBook 6550b

  - by tUTe

  I have this problems since always, but never care, today i want to use only ubuntu, no more windows, so i installed ubuntu 14.04 and the speakers does not work (work fine on windows until yesterday) but the headphones jack works properly I try to check alsamixer, and everything is in 100, but if i check the sound devices only show me the headphones I do this link and does not work too, and i don't know what else i do

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• Curser blinking with any change of referesh rate of any window

  - by samer226047

  my problem is my courser is blinking for any windows that refresh. for example right now each litter i write the courser blink for it , well it's acceptable now but imagine what happen when i open facebook (each picture , each simple element in the web page the courser blink for it) , please help me i really want to move to Ubuntu but problems keep get in my way and push me back to windows PC status : Core i5 , 4G ram , Nvidia optimus 310m , 500G HDD. Condition : it was working good with Ubuntu 13.04 but after the ugprade to 13.10 the problem apear and thanks in advance

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• 12.04 Does anyone know how to fix this? all of a sudden - my Terminal shortcut doesnt work and windows only appear in top left corner [closed]

  - by Alex Poulos

  So basically after doing a few updates - my Ubuntu 12.04 told me that an error has occuredand when i tried to report it it said this is not an official ubuntu package please remove packages and try again or something of the sort - now my terminal shortcut doesnt work and my windows all appear in the upper left corner how can I fix this and how can I find what's causing the issues? I am using gnome-classic-fallback btw Screenshots added:

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• Dual boot - 12.04 installed first

  - by graeme

  I have found many guides with how to install windows and ubuntu in dual boot mode, but none from the perspective of a Ubuntu user. Unfortunately Wine or OpenOffice do not display a document that I am working on properly so I am forced to getting windows back temporarily. Can anyone give me some guidance on how to go about this, sorry but step by step instructions are needed as I am still fairly new to Linux

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• Indicator applet-less applications?

  - by armornick

  Since I heard that indicator applets are going to replace the notification area, I wondered what was going to happen to applications that use the notification area and don't have an indicator applet? Is the Ubuntu team going to write an indicator applet for every application out there? You can't expect the developers of applications to add that Ubuntu-only task to their list. Don't get me wrong, I love the indicator applets. But I'm a little concerned about this.

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• How do I determine whether bumblebee is working as expected?

  - by Christian Fazzini

  I followed the instructions at https://wiki.ubuntu.com/Bumblebee sudo add-apt-repository ppa:bumblebee/stable sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update Instead of installing the proprietary nvidia drivers, via: sudo apt-get install bumblebee bumblebee-nvidia linux-headers-generic I did: sudo apt-get install --no-install-recommends bumblebee linux-headers-generic How do I determine that power savings mode is active and that my dedicated GPU isn't running? One thing that bugs me is that if I go to System Settings - Details - Graphics. Driver is shown as Unknown.

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• My home folder disappeared after using Chroot/debootstrap. Can it be recovered?

  - by Martin

  I was following the instructions from http://wiki.winehq.org/WineOn64bit but stopped after cloning wine. Afterwards I closed the terminal and terminated the process when asked. Ubuntu threw up an error report and when I tried to cd to ~/Downloads it was gone, along with all the other directories. So I tried restarting Ubuntu, whereupon I was greeted with the default desktop and home directory. Can I recover my home folder or has it been deleted?

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• 11.10 7600gt display error

  - by Justin Ray

  So i used to use Ubuntu back when it was 8 and it never gave me any problems but recently i did a fresh install of 11.10. But now when i install the N-Vidia restricted drivers i cant change my screen resolution from 640x480, the display menu says "can not detect display". There is no way to navigate the screen really because the windows don't work and I'm not very command prompt keen please help i love Ubuntu!

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• Built in webcam installation

  - by user291941

  I followed instructions for installing built in webcam but everytime after entering cmd and pwd a statement execute that "unable to locate package cheese"..plz help me out i need to submit my project within a week and still stuck here... This is what it is showing every time... wtc@ubuntu:~$ sudo apt-get install cheese [sudo] password for wtc: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package cheese wtc@ubuntu:~$

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• unable to boot and boot-loop on splash screen

  - by Joel St Martin

  hey i have tried to install ubuntu many times, but once it installs it boot-loops at the splash screen. it just loops through the boot sound and the screen not sure why. nothing has seemed to work. also its only alowing me to boot windows all other oporating systems crash and loop just like ubuntu (android x86, linux mint, red hat, ubuntustudio). compac amd 64 3400+ 1gig ram 2 hhd (200 gig/120 gig) 1 ssd (500gig) win7 x86 a video showing what happens

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• How to use Unity 3d and Gnome Shell without any drivers?

  - by user49523

  Currently I don't have any driver available for the laptop that I use , and because of this I only can use Unity 2d and Gnome Panel. I have Ubuntu 11.10 and Ubuntu 12.04 installed and no drivers for both. I would like to use Unity 3d and Gnome Shell..instead of Unity and Gnome Panel or at least have that option even if computer became a little slower. Is there a way of enabling Unity 3d and gnome without any driver had been installed?

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• HP 625 with an ATI HD4200 crashes when watching videos on websites

  - by Honza

  I have installed 11.10 on HP 625 (graphic card ATI/AMD Radeon HD4200), everything looks normal but if I see videos on websites (youtube, stream.cz, or similar), the whole Ubuntu crashes. I have installed Catalyst 11.11 from AMD sites (according to this http://wiki.cchtml.com/index.php/Ubuntu_Oneiric_Installation_Guide#Installing_Catalyst_Manually_.28from_AMD.2FATI.27s_site.29) but Ubuntu still crashes. Any idea how to solve this really annoying problem?

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• I am getting disconnected from DSL modem and can't connect unless I restart.

  - by Sandip Bandyopadhyay

  I am using Ubuntu very recently. My DSL connection with the modem is working fine but after certain idle time the modem connection is getting disconnected and I am not getting the icons to reconnect. If I go to System Settings-- Network, it is showing "Network cable is unplugged". It works fine if i reboot. This is a sudden problem and no configuration has been altered. I am using Ubuntu 12.04 with latest updates.

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• Incorrect monitor colours

  - by PedroGabriel

  I'm using Ubuntu 11.10 and my monitor had a problem where Green is the bright colour, there's no way to change it in the monitor settings, so when I was using WinXP (I'm new in here) I changed the green to lower using Video Driver settings, in here (ubuntu) I don't know exactly how I would change the green colour to low, so my "black" would be seem has a real black, no green. Thanks for reading. Sorry for bad English.

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• Dell Latitude E6420 in-built microphone not working

  - by user38845

  I'm running with Ubuntu 12.04 64bit on Dell Latitude E6420. The inbuilt microphone is not working, and is not listed on the sound settings dialog. According to lspci, the device is: 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04) I've also looked at alsamixer, and can see a "mic" and "dock mic" but fiddling with these and increasing to max amplification doesn't appear to change anything. Note: I've raised a certification question on the same topic here: https://answers.launchpad.net/ubuntu-certification/+question/200678

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• Evince 3.10 with menubar

  - by user43787

  I find that the 2 buttoms menu from the evince v3.10.0 are not really useful. Why did ubuntu NOT re add an menubar?. It would have been looking better in unity ! The unity top panel has enough space for an normal program menu. Here is an screenshot of what i mean: (The program works already in ubuntu 13.10 with unity or cinnamon fine. Some little compiler warnings but nothing more) Example in Cinnamon or in unity

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• How do I get my Lenovo T61 to connect to a wireless network?

  - by Ross Fleming

  I have a Lenovo Thinkpad T61 and the wireless works just fine so I installed Ubuntu straight away only to find that the wireless will not connect, it will see the networks but just not connect. Has anyone managed to solve this all the forums seem to relate to Ubuntu 9.04 and before. Edit:Sorry about that, I didn't realise that there were 2 models mine is the Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection. Any help is much appreciated.

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• Do logins by the gdm (or lightdm) user in auth.log mean my system is breached?

  - by Pramanshu

  Please look at this auth.log (from Ubuntu 14.04) I have provided and tell me who this gdm user is and why there are all these unauthenticated logins? I am freaked out; please help! Here's the /var/log/auth.log file: http://paste.ubuntu.com/8120231/ Update: I know now that "gdm" is gnome desktop manager and it's there because of root. But please look at the log there is more and tell me if my system is breached.

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• how to display list of partition under 'Go' menu

  - by Roy

  I'm installing ubuntu 12.04 on my asus A43S notebook, but couldn't see any other partition under the 'Go' menu. I tried 'sudo fdisk -l' seems fine, it displays all partition. I also installed ubuntu 12.04 on my PC but there were no problems, all partition are listed under the 'Go' menu, and automaticly mounted when I clicked on them. question is, how to display all partition just like on my PC does, I don't want to mount via terminal each time I need to access them. thanks.

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• Is there a way to open an "extra" temporary workspace (via terminal, preferably)?

  - by AmagicalFishy

  [Running Ubuntu 14.04, Unity] So, I have workspaces enabled and all that jazz. I know one can set some option so that Ubuntu defaults to more than four workspaces—but that's not what I want. Currently, I'd like a fifth workspace, but only temporarily (that is, I don't want it to be the default that five open. I just want it for today, and possibly w/e other day I need it). Is there a way to do this?

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• pae kernel required for my cpu [closed]

  - by Edward Meyer

  Possible Duplicate: How can I install 12.04 on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”) Virtualbox install 12.04 guest: “pae not present” After loading ubuntu-12.04.1-desktop-i386.iso into my Oracle VM, the hard drive would not boot because the version for my cpu require the pae kernel. How do I insert the pae kernel or download a copy of ubuntu with the pae kernel?

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• Weird graphical issues with Gnome Shell in 12.10

  - by Chintan Parikh

  I finally got Gnome Shell working on Ubuntu 12.10, but there are some weird graphical issues. It seems as if the text is corrupted or something. Here's a screenshot of what I'm talking about: http://i.imgur.com/OqGyl.png It happens on a bunch of different applications, but not when I'm using Ubuntu. Does anyone know why or how to fix it? My graphics card is an AMD Radeon HD 6540G2, and I'm using the open source drivers (fglrx doesn't work with 12.10 yet).

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