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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51 views

Windows recovery can't find Windows install

I'm trying to repair my boot loader for Windows after a Ubuntu install killed it. I'm trying to use the Windows Repair CD (actually USB stick), but Windows recovery can't find my Windows install. I ...
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1answer
43 views

GPU access to a newly created user in Linux (Ubuntu)

I have a desktop computer with an Nvidia GPU, and the Python machine learning library Theano installed on it. Theano uses the GPU for carrying out certain computations. When I start IPython and ...
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30 views

How to encrypt an entire Disk with full cross platform access? [duplicate]

I would like to encrypt an external USB Hard Drive in manner that allows full access (read+write) from Ubuntu trusty, Windows 8 and optionally Android and older Windows versions. With TrueCrypt ...
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1answer
258 views

How do I set up a bridge on Ubuntu GNOME 14.04

I found a guide for setting up a bridge in Fedora and was trying this: $ nmcli connection delete p33p1 $ nmcli connection add con-name br0 type bridge ifname br0 autoconnect yes $ nmcli connection ...
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1answer
39 views

How to add Ubuntu image to Windows 8 boot menu [duplicate]

Is it possible to add an image to the Windows 8 boot menu for Linux/Ubuntu? How can I add Linux to the new Windows 8 boot manager?
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1answer
163 views

Unable to execute command or shell on remote system: Failed to Execute process

On my Ubuntu virtual machine, I run: ssh windowsxp@10.0.0.2 'dir' When I tape the password, I get this error: Unable to execute command or shell on remote system: Failed to Execute process. Why ...
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13 views

Save image of running Windows 8 to run from Ubuntu

I have a brand new Windows 8 PC. I'd like to hold on to the licensed copy in case I need to run a Windows app at some time in the future but want to wipe the machine completely, installing Ubuntu with ...
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66 views

Delphi XE2 runs very slow in VirtualBox with Windows 8.1 installed

While the whole guest Windows runs normal, Delphi XE2 is really slow, especially with code completion. And CPU utilization is near 50% though the Delphi itself does not get more than 10% during ...
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1answer
37 views

How can I determine via command-line if VBox Guest Additions has been installed?

In particular, I need to know in order to write a bash script to prompt the user to install VBox Guest Additions on a Ubuntu client if it hasn't already been installed.
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1answer
294 views

Compiling CUPS: undefined reference to `dnssdDeregisterAllPrinters'

I'm trying to build CUPS 1.7.3 on Ubuntu Server 14.04. configure didn't produce any errors, but make dies with: Making all in ppdc... Making all in scheduler... Linking cupsd... dirsvc.o: In function ...
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2answers
31 views

Computer can read disk but can't boot from it

I'm having trouble booting from a CD on my laptop. It's able to read the CD once the computer has booted into the OS on the hard drive, but when I choose the disk drive option from the boot menu, it ...
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1answer
24 views

Autoinstaller from list of packages

I wonder if there is some service which saves all your package/repositories list in a Cloud, so that when reinstalling the OS you just can install everything at once in one command line. Does it ...
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1answer
21 views

Best RAID Solution for dual boot?

I've seen this topic talked about before on this site but with other users using 2 drives for the active partition (booting from the same HDD thats got RAID) however my situation is a bit different. ...
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0answers
37 views

Detaching from a GNU Screen suddenly clears the terminal

I feel so stupid for asking this, but here goes: I updated my Ubuntu (Server) install today from 13.10 to 14.04. Before the upgrade detaching from screen did not clear the terminal and now it does. ...
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1answer
25 views

Removing files and directories that already exist in other directories

I need a help writing a script. So basically I have directories named by current date, like 01-06-2014 02-06-2014 and so on each of these directories has files and subdirectories inside. But sometimes ...
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0answers
43 views

how to install portable virtual box on LINUX HOST

I'm looking for info on Google. I can only find solutions on how to do it on a Windows host, but I want it done backward. I run Linux (Ubuntu) and I want to create a portable virtual machine to ...
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0answers
148 views

create video from jpg images using ffmpeg

I want to make short timelapse video using ffmpeg under ubuntu 12.04 LTS. I have a folder containing all images with names DSC_0000.jpg DSC_0001.jpg and so on. I found this question ffmpeg: create a ...
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1answer
168 views

Updating Chrubuntu 14.04 kernel on Acer C7 (currently 3.4.0)

There was another, similar question on this here, but it's for old ubuntu versions, and the script no longer works. While installing, the script works fine until: + vbutil_kernel --verify /dev/sda6 ...
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0answers
43 views

Windows 8 not booting from DVD while trying to install in a Ubuntu 14.04 system

Currently my system runs on Ubuntu 14.04. Yesterday, I deleted and formatted the partition(C drive) as NTFS in which Windows 7 was installed because Windows 7 was not booting for more than a week. I ...
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2answers
50 views

How to download ebook form Kindle to my PC?

I want to be able to read offline the ebook that I've bought from Amazon store. So I need to be able to download the ebook. I don't have a kindle reader (tablet) and don't like to be plugged into ...
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1answer
69 views

Combination of NAT, DHCP, and OpenVPN on lubuntu 14.04

Okay, so I've got a set up, where eth0 my internal IP address (192.168.1.3) it has been configured as my default gateway using the iptables this sudo sysctl -w net.ipv4.ip_forward=1 sudo ...
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0answers
46 views

Linux Has Become Very Slow Dealing With Large Data

Last year I bought a computer, for around $1,800, so it is relatively high-end. When I first got it I was particularly pleased at how quick it dealt with large MySQL queries, imports and exports. But ...
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3answers
44 views

How and why are operating systems bootable from a USB?

I'm told to install ubuntu on my laptop for work in order to learn shell scripting. I've read the best way is to install ubuntu on a USB stick and partition my HDD. I'm curious how an OS is bootable ...
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2answers
126 views

Windows 7 won't boot, stuck on \disk.sys

My friend has a problem with her laptop. I offered her my help, but unfortunately I can't fix it. The thing that happened is that once she started her Toshiba, it show a blue screen with some ...
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12 views

If I create a jail for a process does that process need to be chrooted every time I start it?

I just installed Debian on my computer and I'm looking to run ownCloud in a chroot jail. I'm not exactly sure how to do this but from what I can tell I just copy the files needed to install and run ...
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1answer
70 views

Ubuntu + SSL ports + AVAST

I have an interesting problem with communication via standard SSL ports. Fresh installed Ubuntu 14.04 server + Postfix + Dovecot, SASL authentication provided by Dovecot, self-signed certificate ...
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1answer
100 views

How can I find the USB wireless adapter into the dmesg log file?

I am pretty new in Linux (RaspBian for RaspBerry Pi but I think that there are not difference) and I have to install an USB wireless network adapter (the product is the TP-Link TL-WN725N, this one: ...
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1answer
30 views

Windows 7 Extend C Volume to Unallocated Space

A while back I installed Ubuntu and then later uninstalled it by I think deleting the partitions and recovering the windows 7 boot loader. I am not that experienced with partitioning yet. As you can ...
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0answers
13 views

Prevent chainloading by grub after Efit

I triple booted my Macbook 4,1 with Mac OSX 10.5.8, Lubuntu 14.04 and Windows XP SP3 and installed rEFInd as my bootloader. Now what basically happens is, first the Mac bootloader loads invisibly, but ...
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1answer
34 views

How to allow ssh access to a folder of another user

Let's say I have a user 'user1'. This user has a special directory which can be accessed by another user ('user2'): /home/user1/directory How can I allow ssh/sftp access for user2 only to this ...
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1answer
70 views

Unknown Filesystem Type vboxsf

I am trying to run the command sudo mount -t vboxsf SharedUbuntuWindows SharedUbuntuWindows but I get the error unknown filesystem type 'vboxsf' on my guest Ubuntu machine. I am following these ...
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1answer
60 views

how to install 'version.h' in ubuntu ?

Just now , I try to install the Jungo WinDriver in the Ubuntu 13.10 . But I am puzzled by the its manual of how to Install version.h : Install version.h: The file version.h is created when you ...
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0answers
18 views

BIOS loading screen is not visible

I have a single operating system (Ubuntu). When I start my computer, I get a black screen, and after a few seconds, the Ubuntu loading screen, and after that I'm able to use my computer as usual. I do ...
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1answer
67 views

Encryption on SDD without encryption support

I have a SanDisk Extreme II SSD. Despite using Marvell 88SS9187 controller, the drive does not support hardware encryption of any kind. I read around a bit and found that most software does encryption ...
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0answers
19 views

passphrase for rsa key required only in text mode

I have a problem which has been torturing me. As far as I booted Ubuntu to the GUI, it never asked for the passphrase of my RSA key. Lately, I switched to text mode and now, each time, after log in, ...
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0answers
53 views

Shift key doesn't work with teamviewer and virtual box

I use Teamviewer on Mac to connect to Ubuntu. On Ubuntu, I start Virtualbox and Windows 7 is running on it. When I want to login Windows 7 VM, I cannot press 'shift+2' to type '@' which is a ...
1
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1answer
76 views

Ubuntu vs. Windows VPN routing behavior

Both my home and workplace networks are the same (subnet 10.0.0.x). When I configure a VPN connection on my Windows 7 machine (PPTP), I can ping any server that is located at my workplace without any ...
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1answer
73 views

Which video drivers should I install. X.Org X Server or Nvidia Binary Drivers

So i just installed ubuntu and now I'm updating my video drivers. I am present with the following choices. Which one should i pick. And if possible, why? Are there some advantages over the other?
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15 views

ec2 enable su for user ubuntu

I am trying to enable rstudio-server login with ubuntu on ec2, but it fails. I think it uses the same auth mechanism as su. So I did sudo passwd su someotheruser su ubuntu But even though I know ...
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1answer
26 views

Custom icons reapearing on Firefox 29

I've been using Readability's Firefox add-on for some time, but since Firefox 29 I can't set it to display a single icon on the browser bar: I use Firefox's preferences to customize the bar, but when ...
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0answers
20 views

Network Ubuntu Server - Ubuntu Client

I'm new about Ubuntu server and Linux networks. I want to use Ubuntu Server for sharing folders, but especially to work in a team to develop software. If possible I would like that client can ...
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1answer
30 views

Some doubts about Linux partition managment

I am not very experienced using Linux and I have the following situation that cause me some doubts. I have wrote RaspBian (the RaspBerry linux distribution) on an SD card using this command on ...
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0answers
16 views

Accidentally deleted GRUB partition in GParted

I deleted the partition responsible for boot loading to the OS. And going forward when I start my PC up it only loops. Is there any link or procedure that can help me recover the partition or ...
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1answer
34 views

How to specify this 'symbolic link' for the Jungo WinDriver?

Just now , I try to install the Jungo WinDriver in the Ubuntu 13.10 . But I am puzzled by the its manual : 4.2.3. Linux WinDriver Installation Instructions 4.2.3.1. Preparing the System for ...
0
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1answer
36 views

Lost portion of the hard drive

Is there any way to see the partitions of the hard disks? Problem is I had two OS in my system, but once I upgraded Windows 7 to Windows 8, I was not able to access another one (Ubuntu). Now my ...
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0answers
55 views

Ubuntu VM not working

I have downloded Ubuntu 12.04 Desktop ISO image. I have followed all the steps given in the link http://www.securitybeacon.com/?p=578 .However I am not able to see Ubuntu Desktop . I have waited for ...
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1answer
93 views

VirtualBox VM running web server not accessible via external IP

I have a Windows 7 machine running VirtualBox with an Ubuntu guest. The guest has a Bitnami LAMP stack installed. I have the guest configured for Bridged networking, and I can access the guest web ...
0
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1answer
94 views

Downgrade GCC to older versions with apt-get

For specific reasons, I have to downgrade my GCC to version 2.x using apt-get (not downloading and compiling the source). Is that possible? If yes, how can I find the repository address and install ...
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1answer
48 views

How do I disable SSH on boot?

I am using Ubuntu 12.04 server. Each time, after logging in, I am asked for the SSH passphrase. I would like to disable SSH on boot, just to use it when I actually need and I have tried different ...
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0answers
13 views

Play Line-IN Audio in Ubuntu

Couldn't find anything all over the internet. If I did find something, it was only for older versions of Ubuntu and my version is 14.04. I can use the Line-In feature in Windows without any help from ...