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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11 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
13 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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0answers
8 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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9 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 ...
0
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1answer
20 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 ...
0
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1answer
37 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 ...
0
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1answer
24 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 ...
0
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1answer
14 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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0answers
16 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
10 views

How to mount HDFS on Ubuntu 14.04 [on hold]

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 ...
2
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0answers
29 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
9 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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0answers
18 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
18 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 ...
3
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1answer
26 views

Linux file system divided between SSD and HDD

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. ...
1
vote
2answers
59 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 ...
0
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1answer
10 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
15 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 ...
0
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2answers
34 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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0answers
18 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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0answers
22 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 ...
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0answers
15 views

On a Ubuntu PC graphics became slow and jumpy after making changes with GRUB2

I have a Ubuntu system. All worked well. Then I created a separate dedicated boot partition and got GRUB2 working on that partition. It boots. But my graphics became slow and jumpy. The resolution is ...
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0answers
36 views

Windows 8 is not booting and stuck on “automatic repair” screen

my computer is hp pavilion g series and running dual booting windows 8 and Ubuntu 14.04. I booted my computer once on windows 8 but it stuck on "automatic repair logo", I tried booting many times but ...
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0answers
10 views

Right adapter for ubuntu vm

Guest: Ubuntu 14.04 host: win8.1 I need: -Internet in the guest, if the host has internet -Access shared folders which are mounted as a drive in Win (NFS, SMB) - if the host is online and offline ...
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0answers
15 views

URL predictions not working on chromium on Ubuntu

Despite ticking the box Use a prediction service to help complete searches and URLs typed in the address bar or the app launcher search box in advanced settings, and having google set as the default ...
0
votes
1answer
9 views

java.net.BindException on app crashing and port already in use

I just ran a jar on a ubuntu server using a default port. The jar was stopped using ctrl+z. On restarting the port was already engaged and OS has not released the port for use. I want to use the port ...
0
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1answer
11 views

Effects of SSHing into a remote machine and logout

A silly question : I just logged out of a ssh session with a remote machine through cmd line. Is there anything that killed other jobs or turned the machine down? It all happened due to network ...
0
votes
1answer
30 views

How to make tap interfaces persistent after reboot?

Some tasks requires having tap interfaces configured + assign ownership. So, I am doing it manually: sudo tuntap -u <username> sudo ifconfig tap0 up sudo ip a a 192.168.1.1/24 dev tap0 or ...
0
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1answer
13 views

How can I change rename shortcut key to Enter (Return) in Thunar file manager?

Mouse hover method works for all other keys expect Enter. Editing /home/username/.config/Thunar/accels.scm has no effect and it reloads to previous values after logging in again.
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0answers
8 views

Ubuntu window management issue

I installed Ubuntu minimum and I'm using openbox, pcmanfm and lxappearance. When I try to run a gui application, it automatically maximizes and I can't make it normal sized on startup. This is ...
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1answer
25 views

Is installing a different distro over ubuntu on a dualboot system possible? Or deleting partition necessarily?

I run a dualboot with ubuntu 14.04 and windows 8.1. I messed up the ubuntu and now I'm going to install elementary OS instead of ubuntu. I wounder how I should do it in the easiest way possible ...
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0answers
23 views

grub-mkconfig doesn't detect /boot

lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 596.2G 0 disk ├─sda1 8:1 0 25G 0 part /mnt/arch ├─sda2 8:2 0 2M 0 part ├─sda3 8:3 0 4.5G 0 part ...
0
votes
1answer
23 views

Make internal card reader readable to BIOS

I have a tablet that only has one usb port and one internal microsd card reader. It runs Windows 8 but I want to install Ubuntu on it. I've created an Ubuntu install disk using startup disk creator ...
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0answers
22 views

USB not showing up, switching from Ubuntu 14.10 to Windows 7

My PC came with Ubuntu 14.10, I'm trying to make a bootable Windows 7 USB. I've heard that I need to downgrade to 13.10 to get WinUSB to work since it just simple WILL NOT WORK no matter what I do, ...
1
vote
1answer
27 views

Remote boot ubuntu desktop machine

I've setup ubuntu 14.04 on my iMac at home (as well as SSH & portforwarding). I can connect via SSH when the machine is on, connected, and not suspended. Similar to many hosting providers (i.e. ...
0
votes
1answer
12 views

Changing date on Ubuntu without sudo privilages

I am trying to automate a time change on Ubuntu 10.04 with a bash script using the date command. The script works, but it requires sudo privileges, however, the user who will execute the script does ...
0
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1answer
20 views

Can't install Windows 7, software center crashing

This computer came with Ubuntu installed and I want to install Windows 7 from a USB. For some reason it won't let me. I've mounted the ISO onto the USB and tried to boot from it (with safe boot ...
0
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1answer
29 views

chkdsk /f /r alternative in ubuntu linux

In windows os chkdsk /f /r will fix a hdd error automatically.i have lost access in my laptop though i am able to live boot into my laptop using linux.I have live boot ubuntu 14.04 and i am in a need ...
1
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1answer
10 views

Telling 'Find' to exclude core system directories (“! -name -'*.svn'” doesn't work)

I'm trying to do a "search and destroy" on the copy of GHC that's currently installed on my system (so I can reinstall a new version). As part of locating any residual files which may be left over, ...
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0answers
13 views

Ubuntu + Asterisk = Registration from '“100” failed for '10.0.83.202:51966' - Wrong password

I have set up a simple Ubuntu 14.04 just installing Asterisk (apt-get update && apt-get upgrade && apt-get install asterisk). When I try to log in from my client (Telephone for OS X) ...
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0answers
24 views

sudo - /etc/sudoers is world writable on Ubuntu OS

By mistake I change the permission of /etc/sudoers file on Ubuntu OS, now when applying any command using sudo, its giving error, sudo: /etc/sudoers is world writable sudo: no valid sudoers sources ...
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0answers
7 views

Ubuntu vsftpd: How to allow user to ftp to /etc, /var, etc.? [on hold]

How do I allow a user to access "all" directories thru FTP? Basically I'd like ftp access to /etc, /var, /dev, /home etc.
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0answers
8 views

Ubuntu 14.04 computer crashes after sleep?

I have a Dell E6400 with Ubuntu 14.04 installed. There is no Hibernate option, and when I try to put the computer to sleep it works. However, when I try to restart it, the computer hangs. I can move ...
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0answers
7 views

SpaceWalk Server on Ubuntu

Is there a way to install SpaceWalk Server on Ubuntu. From the great works of Google I have already found out that you can connect Ubuntu Clients to a SpaceWalk Server. As the Ubuntu SpaceWalk Server ...
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0answers
22 views

Install grub for multiple OS

On my PC, I have Ubuntu 14.04 and Mageia distribution. Recently I installed Windows 7 on a partition but could not get my grub back. I tried boot-repair but in vain and mageia is getting loaded. How ...
0
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0answers
18 views

Recover data in ubuntu [closed]

I'm using Ubuntu 14.04 right now on my laptop. I have a laptop hard drive that I want to recover data from it. I tried every possible method to get my lost data back but none was successful as I ...
1
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0answers
28 views

Kolab 3.3 Groupware Server on Ubuntu 14.04

I am trying to install Kolab 3.3 on a Ubuntu 14.04 Server. I am following those instructions http://docs.kolab.org/installation-guide/ubuntu.html as well as described here ...
0
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1answer
6 views

Linux updating, downloading [Awaiting headers]

I've installed fresh CentOS and I've been having problems updating, downloading as it always either gave me an error "Trying other mirror" + "Read error (connection timed out) in headers". Then I ...
2
votes
1answer
38 views

How to find the wireless MAC address (aka BSSID) of any wireless access point

I have aircrack-ng 1.2 beta 3 and I wanted to know how I can find the wireless MAC address (aka BSSID) of any wireless access point with aircrack-ng (or any other program). I am currently running ...