The current LTS (Long Term Support) release of Ubuntu, code-named "Trusty Tahr". Released on 17th April, 2014. Only use this tag if your question is version-specific.

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Font dependency on network

I have a PC running Xubuntu 14.04, and for development purposes am disabling/enabling the network (trying to build some robustness into an application). The thing is: the machine behaves strangely ...
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How can I back up my Ubuntu 14.04 Server?

Is there anyway I can backup my Ubuntu server each night to and external HDD?
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Ubuntu erased whole hard drive

i have a laptop that comes with a preinstalled windows 8 and i have installed ubuntu alongside with it So i was trying to reinstall Ubuntu using a dvd and on the installation panel i choose "Delete ...
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Switch keyboard layout for next keystroke only

I am using mainly an English keyboard layout for convenience while programming, but my main language has some letters that aren't available in that layout. Since using two different layouts is really ...
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Hybrid graphic card drivers (AMD® Radeon HD 8570 + Intel HD Graphics 4000)

I am always trying to find answers for my problems with Google, but this time I give up. I've read almost every topic on every discussion board, blog posts etc. about my problem. I've tried many tips, ...
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ELF loader location on Ubuntu 14.04

This may seem likea trivial question but where is the ELF loader located on Ubuntu 14.04? as well as the repository containing its source? man elf gives the structure of the ELF format but ...
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Alt+tab writing tabs on text editor and ALT+D (in Browser) frequently opens the HUD

I used Debian some years ago, switched for Ubuntu, then I started working on Windows and now I am back to Linux, Ubuntu 14.04. Well, I'm having a really hard time using every kind of keyboard ...
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Support / lifetime of OpenJDK 6+7 in Ubuntu 12+14 LTS

We have a few systems running OpenJDK 6 on Ubuntu Server 12LTS..we are planning on updating to Ubuntu Server 14LTS with OpenJDK 7. Unfortunately I cannot find any information about OpenJDK 6 + 7 ...
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no sound fluxbox with NVidia GTX750ti

I've a problem with alsa audio and alsa... I installed Ubuntu server 14.04.2 Efi mode alsa, alsa-util and fluxbox and I can't get any sound. kodi@mediacenter:~$ grep eld_valid ...
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x2go client not showing gui

I have an Ubuntu 14.04 system with x2goclient version 4.0.1.1 installed. When I open the client, the GUI doesn't show. I tried erasing the local settings by running rm -rf ~/.x2go, but that didn't ...
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dual boot whit Ubuntu and fedora

I have decided to install fedora 21 and Ubuntu 14.04 along side. Here I have two question: 1) how should I partition my disk so I can reinstall or change each distro without affecting other one? ...
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Ubuntu Dell E7240 : Docking station Monitor resolution 14.04

I have a Dell E7240 which came with Ubuntu 12.04 pre-installed. I use it with a Dell docking station in work. On 12.04 it recognised the correct resolution for the monitor, after updating to 14.04 it ...
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./configure configure: error: does not exist or it is not an exectuable file

Ok so I’m pretty much new to UBUNTU, I had to install it to use osm2pgsql for a project and so far I just followed instructions from their wiki up until now. I ran the following command, and it didn't ...
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Ubuntu 14.10 Virtualbox 4.3 dkms

i'm trying to reinstall Virtualbox 4.3 on Ubuntu 14.10, but i ran into the following error: Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded ...
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fail to install ubuntu server 14.04 64bit LTS from USB drive

I created a bootable USB using Startup disk creator (in ubuntu desktop 12.04 32bit), from an iso image of Ubuntu server 14.04 64 bit, when I want to boot another computer using this usb drive, The ...
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VMWare Player 3.1.6 32 bit installed with Ubuntu 14.04

Dear Ubuntu spezialists, I use Ubuntu 14.04 on an old 32 bit netbook. Now I installed VMWare 3.1.6, since this is the last real 32bit VMWare Player (although there seem to be newer versions of the ...
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12 views

Why can I not add more secondary groups?

I make a group called "teamspeak" and I would then like to be a part of that group, so I use sudo usermod -a -G teamspeak xdrosenheim as it is explained here and in the man usermod. I then do id ...
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Ubuntu 14.04.2 wifi not working properly on my hp probook 4540s

I recently installed Ubuntu 14.04.2 on my hp probook 4540s with Ralink 539a wifi module. I noticed that wifi is not working properly. It receives a very weak signal, even when very close to the ...
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Wireless extremely slow on Ubuntu 14.04 LTS

I installed Ubuntu 14.04 LTS alongside Windows 7 about a month ago. Since then my internet has been extremely slow. Webpages take forever to load. Other devices connected to the same network have no ...
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revert pkexec env DISPLAY=$DISPLAY XAUTHORITY=$XAUTHORITY nautilus

me and my friend were playing around with each others system, and to display a particular pop up on her window through ssh, i used the command pkexec env DISPLAY=$DISPLAY XAUTHORITY=$XAUTHORITY ...
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Ubuntu os got corrupted. I need to recover the os,as the configuration files & data is must required

Ubuntu os got corrupted. I need to recover the os,as the configuration files & data is must required. Ubuntu version: 14.0 Is there any recovery cd available. If we recover the OS,all the files ...
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1answer
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Obtain more detailled information about available update package

Could anyone tells me how to obtain more information about available update packages on Ubuntu (build time, registration date etc..) more than what apt-cache show command displays. Cheers.
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1answer
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Adobe Photoshop

I'm a web developer. recently I have switched my OS windows to Ubuntu 14.04. but I need adobe photoshop to run for my project. so how to run Adobe Photoshop on Ubuntu or there is any ubuntu plugin ...
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How to install offical Nvidia driver on ubuntu 14.04.1?

I want to install cuda7.0. So I must install offical Nvidia driver prior to cuda7.0. But so long as I install offical driver, my ubuntu is unable to enter desktop after I input login password. It ...
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Ubuntu is not reading my keyboard

So i turned on my laptop once and logged in and everything looked fine until i was in the middle of typing. Then, my keyboard stops dead in its tracks and i cant type anything. My laptop has an ...
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Repository MTR strange behaviour:

Can someone explain this MTR readings or that may be a DNS resolver issue. have tried many things changing dns to popular public ones with no changes The first: on does not show the full URL handed ...
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Wifi (Broadcom BCM43225) not working on 14.04 LTS x64

I have this on my Acer 3820 Notebook: lspci -nnk | grep -iA2 net 03:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v1.0 Gigabit Ethernet [1969:1073] (rev c0) Subsystem: Acer ...
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1answer
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Upgrade warning for 3D graphics not supported, but this is brand new system, Intel graphics. What's up?

Currently running 12.04LTS looking to upgrade to 14.04LTS. Received the following warning from upgrade manager before starting upgrade: Running the 'unity' desktop environment is not fully supported ...
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Adding firewall rule makes multiple entries

I am trying to add a rule to my Ubuntu 14 iptables to allow NTP (123) though using the command for "Allowing Incoming Traffic on Specific Ports" here: https://help.ubuntu.com/community/IptablesHowTo ...
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1answer
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MacBook Pro 9.2 Ubuntu 14.04 Full Link Quality Wireless Error

Hey guys I am using Ubuntu 14.04 on my mac, After being on the wifi for around 5 to 10 mins it randomly shows the signal as being maxed but the internet stops working all together. Here is what it ...
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Ubuntu GUI via VNC or XRDP from MacOSX in AWS EC2

I have red some many things about how to remote desktop on your Ubuntu instance. 1) Please can someone tell me as of now what is the most recommended way: VNC or RDP? Does it make a difference to ...
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Chrome Crash on 14.04

I'm running Ubuntu 14.04 on a Sony Vaio laptop which also has Vista on it. When I use Google Chrome (google-chrome-stable), it often crashes, mostly on YouTube. I tried google-chrome --disable-gpu, ...
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System tray information disappeared

Last week the system tray disappeared on my laptop running 14.04 Mate, meaning all information and menus in the top right corner: time and date, network, sound volume, shutdown etc. I remember that ...
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switching a job (pid) from running as root to just running as the current user

I recently installed BitTorrent Sync version 2.0. It's purdy awesome! I've made a terrible error though. During the install process I ran sudo ./btsync instead of just ./btsync. I'm pretty sure that's ...
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1answer
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No audio input and non-existing S/PDIF sinks/sources in list

I've installed simple utility for audio recording Sound Recorder, but it won't start recording, as there is only one source: "Master". I use Behringer UMC202 USB audio interface, it has one stereo ...
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Mullvad VPN (openvpn) keeps disconnecting / reconnecting (14.04)

New user of Ubuntu 14.04 here. Thanks to the community for all the support with answering questions! The Mullvad VPN client breaks and re-establishes the connection every few minutes! In one example ...
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Ubuntu 14.04.02 Vs Ubuntu 14.10 [on hold]

I am straight forward asking this question. Why shouldn't I upgrade to 14.10 from 14.04 , apart from the reason that 14.04.02 is LTS. Moreover everywhere I see the advertisement that "More smarter ...
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belkin n300 f9l4500 doesnt work on ubuntu 14.04

I am running ubuntu 14.04. I am relatively new and I tried to install ndiswrapper-1.59 and it say there is now directory at all. I do not have a wired internet connection at all (my apartment only ...
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Installing Ubuntu 14.04 LTS with Pendrive but everytime I choose Install inside Windows it restarts and repeats same process

I'm a begginer to Linux and I'm trying to install Ubuntu 14.04 LTS, After choosing Install Ubuntu Inside Windows 7 Then after Pressing continue my computer restarts and again the USB is booted and I ...
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58 views

Why do I see so many frequent updates to the kernel?

Is Ubuntu sending these unusually frequent updates or am I being "blessed" by the usual suspects ? Why is now "unattended updates" installed when a cardinal reason for using Ubuntu was the wish to ...
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25 views

I can not install libgl1-mesa-dev

When I trying to install libgl1-mesa-dev I got the below error message. Please help me. My ubuntu version is 14.04 (64 bit). $ apt-get install libgl1-mesa-dev Reading package lists... Done Building ...
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Ctrl+Alt+O (Organize Imports) not working on Intellij IDEA

I can't use the shortcut for Organize Imports Ctrl+Alt+O action for Intellij IDEA on Ubuntu 14.04. Note - I'm just posting it to help someone to avoid wasting time.
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Ubuntu 14.04 - External Hard Disk not detected via USB Hub but detected when directly connected

I recently upgraded my Ubuntu 14.04 LTS through sudo apt-get upgrade. However, on restarting my Xorg crashed and my system wouldn't boot after the splashscreen. Somehow, I managed to uninstall Xserver ...
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Nvidia 8400 glitches on ubuntu14.04 with hdmi

I have an Nvidia GeForce 8400 everything looks fine when the pc is booting, I can also see the Ubuntu loading screen but when is time to show the login screen I can see some strange freezes like ...
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Disk Management

When I use Synaptic Package Manager, most of the time I am getting message that there is no space and update aborts I have full userspace available 145 GB NTFS partition which is totally free - how ...
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Why do I get different distro versions?

~$ uname -a Linux 3.16.0-30-generic #40~14.04.1-Ubuntu SMP Thu Jan 15 17:45:15 UTC 2015 i686 i686 i686 GNU/Linux ~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: ...
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can't install ubuntu-sdk after installing ubuntu 14.04.2

Now I can't install ubuntu-sdk and I can't resolve the problem. I used: sudo add-apt-repository ppa:ubuntu-sdk-team/ppa sudo apt-get update sudo apt-get dist-upgrade sudo apt-get install ubuntu-sdk ...
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Trouble to delete PostgreSQL-User

How can I delete the User PostgreSQL? "It says User could not be deleted running '/usr/sbin/userdel' failed: Child process exited with code 16" postgres 2105 1 0 12:23 ? 00:00:00 ...
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How to get web interface for ubuntu 14.04 [on hold]

I want to enable web interface for my ubuntu in virtual machine over windows 7. Can you suggest which networking adapter should be used.. Thanks in advance
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Virtual Box actual size and size on disk difference [on hold]

I have Ubuntu-based Mint Mate running as host OS. I am running Windows in Virtual Box. The actual size of Windows is around 50 GB. I chose dynamic disk so it is O.K. but when I right click on Windows ...