Ubuntu is a free open source operating system based on the Debian GNU/Linux distribution. Consider using http://askubuntu.com/ to ask questions about it.

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Linux Ubuntu MATE 14.04.1 Connection Issues

I recently dual-booted Ubuntu MATE (14.04.1) alongside regular Ubuntu (14.04.1). Regular Ubuntu was able to connect to the Internet. Ubuntu MATE is having issues. It seems that the Wi-Fi is not on, at ...
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16 views

Process ID files missing from remote Ubuntu Linux PC?

I am running Ubuntu 12.0.4 LTS on a PC in my office and on a virtual machine hosted on Azure. For some reason, the remote PC is not creating a PID file for each process. Everything else seems to ...
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4 views

Convert existing partitions to LVM and boot

I've an Ubuntu PC with one of ext4 and swap, both physical partitions. I have seen this answer which talks about converting the partitions in place. That's all well and good except I don't know what ...
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1answer
18 views

Unable to mount ubuntu directory to Linux(SLES 11 SP2)

Trying to mount ubuntu directory:/home/suvasish/Downloads/SLES11_SP2/ to SLES(11 SP2) server. Tried like below: NFS mount In Ubuntu side edited the /etc/exports like below.. ...
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0answers
18 views

How to Diagnose Firefox DNS Issues

I'm currently running Firefox 34.0 and Chrome 39.0 on Ubuntu 14.04. Firefox is presenting with extremely slow DNS look-ups that aren't occurring in Chrome. In order to repro, I've shut down both ...
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1answer
11 views

SNORT -Unknown command line checksum option: ascii

snort -vde -l /var/log/snort -k ascii when i tried this command it gives me the error Unknown command line checksum option: ascii. I don't know why,coz i hve installed snort successfully, and also ...
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1answer
27 views

How can I view unformatted drives in Ubuntu?

Sorry if this question is a bit novice but I am still learning about linux based systems. Thanks in advance! So I have a computer I am doing some experimenting with. So to start, I Set up a USB stick ...
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1answer
21 views

Shared folder Virtualbox Ubuntu / Lubuntu

I can see a lot of posts on this but they either don't cover what I'm trying, the OS's that I'm using or (most likely) I'm not understanding them. I'm using Ubuntu 14, and I have VirtualBox running ...
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1answer
32 views

PC starts to be noisy some time after Ubuntu is installed

I used to have this problem: http://unix.stackexchange.com/questions/174161/when-i-boot-linux-it-asks-for-password-pretends-to-proceed-but-then-returns-t. Before it arose, my PC was beeing noisy for a ...
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2answers
25 views

INTEL UNDI PXE MESSAGE AT BOOT TIME- LENOVO LAPTOP

I have Lenovo G580 laptop. I have installed two operating systems, namely, Windows 7 and Fedora 20. When my laptop boots it shows a message as "Intel UNDI PXE-2.0 (build 083) and blah blah...". I ...
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17 views

Crashing after sleep/hibernate/suspend on multiple OS

Custom-built desktop, running windows 7 64-bit SP1, Intel i7-2700k CPU, 8 GB RAM Since I first started using this machine it sometimes crashes to a bluescreen and has always had trouble booting up. ...
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2answers
72 views

Lenovo laptop doesn't go beyond boot screen, can't enter BIOS menu

My Lenovo U510 was originally installed with Windows 8, and I wanted to dual boot Ubuntu alongside it, so I shrunk the existing Windows volumes (there's an SSD and a HDD) slightly in order to make ...
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44 views

USB HDD disk not recognized in BIOS Boot order

I installed Ubuntu 14.10 along with Windows 8.1. Obviously I used a USB drive to install Ubuntu. I made all changes to UEFI so I could boot from USB. I could see the USB in the Boot Menu and was able ...
1
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1answer
32 views

Installed Ubuntu 14.10 on MacBook Pro (5,5) without rEFIt or rEFInd, hangs on purple screen

I recently inherited a mid 2009 13" MacBook Pro. I wanted to install Ubuntu 14.10 on the machine rather than OS X. I've previously had success with Ubuntu 13.10 on a 2006 MacBook by booting to live ...
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2answers
15 views

The “/etc/init.d/networking restart” fails to update eth0/eth1 at my Ubuntu 14.04 LTS

At my Ubuntu 14.04.1 LTS, "/etc/init.d/networking restart" doesn't seem to update eth0/eth1 interfaces. Network Manager has been turned off in last reboot and "/etc/network/interfaces" has been ...
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0answers
14 views

Reorder the pages from scan two-sided of pages, by using one-sided scan only? [duplicate]

I am using Xerox WorkCentre 7830 to scan the pages of my small notebook. I have used a paper cutter to remove the bindings of the notebook, and feed the pages into the document feeder of Xerox ...
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1answer
34 views

Strange issue with Google

I have installed Ubuntu on my laptop. Now I have dual boot Windows 8.1 and Ubuntu 14.10 both of them are x64 bits. I have two problems: The first one is the I can't connect to their server from the ...
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1 views

How do I apply parts of a gconfd backup?

I have just re-installed a laptop and I want to have the same Compiz settings that was on the laptop before. According to ...
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0answers
30 views

Uninstall Ubuntu [duplicate]

I am trying to uninstall ubuntu and install windows 7. For this I change DVD drive as a first boot device but windows 7 DVD is not booting I tried to put windows 7 in USB but even that is not detected ...
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1answer
29 views

Checking firefox version using cmd and gives error

On checking the version of firefox using firefox -v, I get the following error. (process:12746): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed Mozilla Firefox 31.0 I ...
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0answers
10 views

How do I go about geting synergy 100% operational with error in build process

During the install process I get the following snippet of an error When I get to the part about cryptopp: Scanning dependencies of target cryptopp [ 19%] Building CXX object ...
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0answers
29 views

How to reduce file size in swf files?

I'm trying to reduce the file size in a swf file that is 17 MB in Ubuntu 14.10. I tried using swftools and avconv. When I did swfcombine -dz file.swf -o file_new.swf swftools only managed to ...
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1answer
20 views

What minimum'allows' should be used in iptables rules?

I have a Ubuntu 14.04 server which has two Ethernet ports: eth0 directly connects with a custom camera and eth1 connects via LAN cable to a wireless router. I had been developing a web application ...
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1answer
33 views

How do I burn the Ubuntu ISO to a CD-RW in Windows 7?

What should I choose if I want to burn a Ubuntu ISO to the CD so that I can boot Ubuntu from CD on start-up? Should I choose treat the CD like a USB which is save, edit, delete files at any time or ...
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0answers
10 views

Kinivo WID340 Ubuntu Driver install

I'm running Ubuntu 14.04 and recently purchased this wifi extender. I'm attempting to install the drivers as instructed in the manual: http://downloads.kinivo.com/product/manual/WID340_English.pdf . I ...
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0answers
39 views

Can't write bluray disks

I'm trying to write my first Bluray on Ubuntu 14.10 since I bought my ASUS SBW-06D2X-U external USB unit. What happens is that it get exessively slow (0.2-0.3x) and it crashes when it reaches around ...
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0answers
52 views

Cannot SSH to my Server, The connection Hangs

Hello i have setup a home server which I am trying to access remotly. I did this a while back and untill recently I moved homes and ISP. I have port forwarded with my new ISP to be able to access the ...
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1answer
69 views

Unable to open github.com Error code: DNS_PROBE_FINISHED_NXDOMAIN

I am using Ubuntu 14.04 64 bit with a wired connection. For the last 7 days, I have been unable to open Github. It instead has an error. Is there anything wrong with my connection / hardware / ...
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0answers
18 views

No GUI and Long on screen in ubuntu 14.04 after removing GTK

I removed the gtk+2 and gtk+3 by the command "apt-get remove" command. But after that, I could not log on to my system, there is no Log in screen and other GUI icons.But the PC is working, I could ...
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0answers
18 views

how to uninstall ubuntu 14.04 and reinstalling 12.04.03 lts

I installed ubuntu 14.04 but wanted to uninstall it because battery drains very quickly. So I decided to reinstall the old 12.04.03 lts. I formatted the the drive on which ubuntu was installed. ...
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12 views

Which application uses /usr/share/unity/ assets in Ubuntu?

In directory /usr/share/unity/ there's assets which are used in the theme of Unity Plugin user interface. I can change this assets to change Unity visual. But, which application uses this assets? ...
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14 views

Choose specific files to download in utorrent ubuntu

I am using Ubuntu 14.04 and i am using uTorrent web UI. Whenever i add a torrent for downloading, it straight away starts downloading. I want to be able to choose which files to download and which ...
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1answer
26 views

OmniCppComplete vim plugin and SSD on Ubuntu

I want to develop some GTK+ stuff in C and I was in need of using some plugin for completions. I have personal reasons why I don't want to use YouCompleteMe plugin. I configured OmniCppComplete ...
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1answer
41 views

Apache2 server won't restart after replacing server.crt with server.crt from ca

I'm trying to enable ssl (tls?) I ran into these errors and I have these questions. Why did apache not restart? And how do I get it to restart? Replacing restart with start does not work. Could ...
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2answers
48 views

Running Ubuntu in VirtualBox under Windows 8.1 doesn't use CPU on 100%

I am running Ubuntu 14.10 64 bit under Windows 8.1 64 bit using VirtualBox 4.3.10. I have an Intel Core i5-2410M CPU, with 2 physical cores and enabled HyperThreading and virtualization. I have set ...
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1answer
17 views

Sudo usermod -a -G is totally ineffective

Really simple, I run the following in Ubuntu 14.04 Server, logged in as max: sudo usermod -a -G www-data max When I run groups as max after doing so, www-data is not in the output set of groups. ...
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19 views

Please install the mysql2 adapter: `gem install activerecord-mysql2-adapter` (cannot load such file — mysql2) (LoadError)

I am trying to install Redmine on Ubuntu and currently having an error if open Redmine page: Please install the mysql2 adapter: gem install activerecord-mysql2-adapter (cannot load such file -- ...
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0answers
12 views

How to mount HDFS on Ubuntu 14.04 [closed]

How do I successfully mount HDFS that I set up in Google Cloud Engine on an Ubuntu 14.04 version? All the tutorials I find on the internet is wrong. The packages are broken or they don't work. Could ...
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0answers
37 views

Ubuntu fails to install cuda toolkit

I want to install cuda toolkit on ubuntu 14.04, so I downloaded cuda-repo.deb from nVidia site and then ran: sudo dpkg -i cuda-repo-ubuntu1404_6.5-14_amd64.deb But it fails. There are no error ...
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0answers
14 views

Ubuntu 13.10 can't start Unity after upgrade

Last night I ran a apt-get update/upgrade which installed several packages. This morning however, I am unable to log in...as soon as I entered my password I see just wallpaper. I've tried: ...
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21 views

How can I run a Rails server when I start Ubuntu?

I need to run this command cd /my/app/path&&rails s every time I start my Ubuntu virtual machine. I've tried to add it to /etc/rc.local file and also in /etc/init.d/rc.local but it ...
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0answers
22 views

Virtualbox in a Ubuntu Docker Container is missing Kernel Headers

I'm trying to run virtualbox in Docker for the use of vagrant. I try to achieve that with Ubuntu. This is my Dockerfile: FROM ubuntu RUN apt-get update RUN apt-get install -y ...
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1answer
33 views

Linux file system divided between SSD and HDD [closed]

In order to achieve better price/performance ratio, I plan to divide my file system (Ubuntu 14.04) between SSD and HDD. Things that are "read mostly" (i.e. most of OS stuff) - should reside on SSD. ...
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2answers
89 views

Transfer files over hardwired LAN for speed; computers are also WiFi connected

I am a web developer. I don’t have much knowledge in networking. I have to transfer almost 200 GB files from a Ubuntu 14.04 laptop to a Windows 8 laptop. They are connected to the Internet through a ...
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1answer
16 views

Specify manually installed dependency with Synaptic install

Libevent2.0.5 is the latest version available in the repository but I want to use libevent2.0.21 instead as I'm troubleshooting an error with Transmission. I compiled libevent2.0.21-stable using ...
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0answers
18 views

Chrome keeps opening maximized

Chrome keeps opens up in a maximized windows while I prefer it to open in normal size. No matter how many times I resize it down it stays the same on new windows. I tried resizing the windows then ...
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2answers
42 views

What is the file “-”, and why can only stat see it?

I'm using Ubuntu 12. When I type into my terminal stat -, I get the following output: File: ‘-’ Size: 0 Blocks: 0 IO Block: 1024 character special file Device: ch/12d ...
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23 views

thinkpad-10 tablet will not recognize external monitors on ubuntu 14.10

I am using a Thinkpad 10 tablet, model number: TP00064AFX, running ubuntu 14.10. I would like to extend the screen to 2 24" asus monitors. They displayed upon plugin on windows 8.1 however when I ...
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0answers
24 views

Booting from USB sends me to Grub rescue mode

I have Ubuntu 14.10 and I followed the instructions here perfectly and I used the BIOS to boot from my USB (F12, InsydeH20) and after a few seconds, it sended me to Grub rescue mode. Whenever I boot ...
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23 views

My laptop often resumes when its lid is *closed*

I have an Alienware M17x with Kubuntu 14.10. When I suspend to RAM and close the lid, very often it will wake up after a few seconds of sleep. Sometimes not. I get the feeling it's related to how ...