Questions tagged [14.04]

Fifth LTS (Long Term Support) release of Ubuntu, code-named "Trusty Tahr". Released on 17th April, 2014 and has reached its End Of Life (EOL) in April 2019. Questions specific to 14.04 are no longer supported here and are supposed to be closed as off-topic.

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319
votes
12answers
960k views

How to install OpenJDK 8 on 14.04 LTS?

Java 8 is now available according to http://openjdk.java.net/projects/jdk8/, but http://openjdk.java.net/install/ does not yet mention how to install OpenJDK 8 (not Oracle Java) on Ubuntu 14.04 Long ...
237
votes
9answers
698k views

Screen Resolution Problem with Ubuntu 14.04 and VirtualBox

Environment: Lenovo T530 running Windows 7. Have installed Ubuntu 14.04 on a virtual machine using VM Virtual Box. Have installed all the updates from both Virtual Box and Ubuntu. Problem: While in ...
193
votes
4answers
80k views

Keyboard locks in IntelliJ IDEA on Ubuntu 14.04

Could you help me with hell of a weird issue? I use Intellij IDEA 13 on Ubuntu 14.04, and from time to time my keyboard completely (yep, completely, it's not about shortcuts) locks in IDEA. I still ...
179
votes
4answers
169k views

apt-get stuck at 0 [Connecting to us.archive.ubuntu.com]

When I do upgrade it gets stuck here: user@plato:~# sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done ...
151
votes
7answers
470k views

How to setup OpenVPN Client

I'm trying to setup OpenVPN using NetworkManager. The GUI seems buggy and unresponsive. Are there any other tools for setting up a VPN client?
150
votes
4answers
139k views

Ubuntu 14.04 LTS live USB boot error (gfxboot.c32:not a valid COM32R image)

I downloaded Ubuntu 14.04 (64 bit) lts. I made a bootable usb stick. But I keep receiving this error message upon booting: SYSLINUX 4.04 EDD 20110518 Copyright (C) 1994-2011 H. Peter Anvin et al ...
147
votes
10answers
468k views

How do you update npm to the latest version? [duplicate]

I'm having issues with npm in a Vagrant box I'm setting up. I noticed that the npm version is somewhat old, so I wanted to check the problem with the latest release. It is my understanding that you ...
145
votes
5answers
955k views

How to enable ssh root access on Ubuntu 14.04

I´d like to enable the ssh root access on Ubuntu 14.04. Editing the /etc/ssh_config (PermitRootLogin yes) didn't affect anything.
135
votes
3answers
343k views

How to disable IPv6 in Ubuntu 14.04?

I am using Ubuntu 14.04. And I have done the following to disable ipv6. I have open /etc/sysctl.conf using gedit and paste the following lines at the end of sysctl.conf. net.ipv6.conf.all....
133
votes
5answers
326k views

How to enable exFAT in Ubuntu 14.04

I just installed Ubuntu 14.04 and I can't mount my exFAT HDD. I get the following error: Unable to access “SeagateHDD” Error mounting /dev/sdb1 at /media/me/SeagateHDD: Command-line `mount -t "exfat"...
130
votes
6answers
423k views

How to install cmake 3.2 on Ubuntu

Default cmake version of 14.04 is 2.8. How can I install cmake 3.2 and replace the default one? Or how can I upgrade 2.8 to 3.2?
126
votes
8answers
573k views

How to install PHP `mbstring` extension in Ubuntu?

What is the PHP mbstring extension, and what is the best way to install it on Ubuntu 14.04?
115
votes
9answers
257k views

After modifying /etc/hosts which service needs to be restarted?

After modifying /etc/hosts, which service(s) need(s) to be restarted for the change to take effect?
113
votes
6answers
220k views

fatal error: sys/cdefs.h: No such file or directory|

It has been weeks that I am trying to use Code::Blocks IDE on Ubuntu 14.04 LTS to program Atmega16, however I am hindered by the following error while compiling/building the program in C::B /usr/...
112
votes
14answers
353k views

Mcrypt extension is missing in 14.04 server for mysql

The php mcrypt extension on ubuntu 14.04 shows that it is installed properly, but phpmyadmin says: The mcrypt extension is missing. Please check your PHP configuration. My current php config is ...
107
votes
1answer
283k views

Shutdown after a certain time [duplicate]

I am done using my laptop but I am using the hotspot in my smart phone. So I want my laptop to be awake for next one hour. How can I Shutdown the laptop after one hour of time?
106
votes
1answer
271k views

What's the easiest way to unrar a file on Ubuntu 12.04 [duplicate]

I just realized I can't unrar .rar files on my Ubuntu machine!
94
votes
15answers
316k views

Unable to Install Guest Additions CD Image on Virtual Box

Error when I clicked on Insert GuestAdditions CD Image from "Devices" Unable to insert the virtual optical disk /Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso into the machine ...
90
votes
2answers
96k views

Diskfilter writes are not supported > What triggers this error?

This message occurs when leaving the Grub menu and before the Ubuntu splash screen. How do I fix the problem to clear the message? And what doe is it mean? error: Diskfilter writes are not ...
90
votes
2answers
323k views

Can't find httpd.conf

I have installed Ubuntu 14.04 on a laptop and installed apache 2 (version 2.4.7) and PHP 5. I cannot find httpd.conf. I need to change it because when I try to open a .php page I see a download box. ...
86
votes
7answers
90k views

Last upgrade crashes network manager (no internet connection, no applet)

While upgrading today, something caused my wireless network manager to disappear. Not even connecting via wired connection. This error is being shown by files: **(nm-applet:2716): WARNING **: Could ...
84
votes
2answers
137k views

N: Ignoring file '50unattended-upgrades.ucf-dist' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension

Yesterday I upgraded distro and today when I am using apt-get to install anything or to update, I get an error: N: Ignoring file '50unattended-upgrades.ucf-dist' in directory '/etc/apt/apt.conf.d/' ...
79
votes
5answers
91k views

Wireless networking not working after resume in Ubuntu 14.04

[Update]: The same problem exists in Kubuntu and is solved in the same manner. [Solved]: By applying the following command nmcli nm I got the following: Before suspend RUNNING STATE ...
75
votes
6answers
188k views

Ubuntu 14.04: very slow UI in Oracle VirtualBox

Short summary: 14.04 is much slower than 12.04 even with more RAM assigned. I'm using latest VirtualBox 4.3.10 on Mavericks 10.9.2. How can I make it faster?
74
votes
7answers
280k views

Copy/paste and drag&drop not working in VMware machine with Ubuntu

Suddenly copy/paste stopped working from/to Windows 8 host computer to/from ubuntu virtual machine. Ubuntu restart did not help. I tried command: sudo apt-get install open-vm-tools But got report I ...
74
votes
7answers
13k views

How to secure my laptop so that hacking by physical access is not possible?

I messed up my system earlier, I was greeted with a black screen, when booting in to Ubuntu. When I started up my laptop, I selected the recovery option from the grub menu, and chose fallback at root ...
74
votes
3answers
163k views

how to find out the apache version installed in ubuntu?

how to find out the Apache server version installed in Ubuntu 14.04?
72
votes
10answers
334k views

An easy way to create a desktop shortcut?

I wonder, isn't still there an easy way to create a desktop shortcut in Ubuntu 14.04 (or Unity)? There is no context menu on desktop doing this. So I tried the following: I looked for an app I want ...
69
votes
3answers
92k views

unable to play HEVC files on ubuntu 14.04 LTE

I have tried VLC and totem players but they are not working. I then searched and re-installed the VLC with latest version available, this time I am getting a green layer on the video. Any help?
69
votes
2answers
82k views

Why can't Firefox run local .swf files?

My goal is trying to run .swf files through Firefox and NOT a standalone player. When trying to run local .swf files on Firefox 29.0 (currently on 14.04), the browser opens the Open With/Save File ...
68
votes
10answers
79k views

Unity Tweak tool fails to start with the error “com.canonical.unity.webapps schema is missing”

com.canonical.unity.webapps In order to work properly, Unity Tweak Tool recommends you install the necessary packages
66
votes
2answers
251k views

How to install Google Drive on Ubuntu 14.04? [duplicate]

I am using Ubuntu 14.04, I tried to search for Google Drive on Ubuntu Software Center, but couldnot find it. Searched for answers in Askubuntu but all I found was ways to install Google Drive on ...
65
votes
9answers
38k views

Uncomplicated Firewall (UFW) is not blocking anything when using Docker

This is my first time setting up an Ubuntu Server (14.04 LTS) and I am having trouble configuring the firewall (UFW). I only need ssh and http, so I am doing this: sudo ufw disable sudo ufw reset ...
64
votes
9answers
137k views

Voice Recorder for 14.04

For few days I've been trying to find a voice recorder, but I'm frustrated. Skype working fine and alsamixer I'm using pulseaudio. When I open the below softwares, my microphone stops working, ...
64
votes
9answers
228k views

Add Fake Display when No Monitor is Plugged In

I have an Ubuntu 14.04 server that has no external monitor connected. I use NoMachine to remote control the machine. When I do so, the Unity/Gnome interface doesn't see any monitors connected, so I ...
64
votes
1answer
236k views

VBox on 14.04: Kernel driver not installed (rc=-1908) [duplicate]

Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. Please reinstall the kernel module ...
63
votes
5answers
136k views

VirtualBox 4.12 Shared clipboard not working in Ubuntu14.04

My Shared clipboard has stopped working all of a sudden after a dist-upgrade. I tried re installing guest additions but it doesn't seem to work. I've checked that "Bidirectional clipboard" was enabled....
63
votes
4answers
91k views

nameserver 127.0.1.1 in resolv.conf won't go away!

I've read that I should have nameserver 127.0.1.1 in my /etc/resolv.conf file only if my machine has its own DNS server. Since it doesn't, having it causes problems. But no matter what I do I can not ...
63
votes
2answers
112k views

How can I create a video file from a set of jpg images?

I am attempting to create a video file from a set of JPG images. I have adapted the instructions given in this question but have experienced some issues. Firstly, not all of the required packages ...
63
votes
11answers
283k views

Sound Input device (microphone) not working

I have recently updated my laptop OS from Ubuntu 12.04 to 14.04 After updating the OS, my laptop's input device ie., microphone is not working. Earlier it was working with Ubuntu 12.04. Also there ...
61
votes
8answers
54k views

Missing date & time from top panel of Unity Desktop - Ubuntu 14.04

I'm using Ubuntu 14.04 an my machine and since the last upgrade from 13.10 to 14.04 the date&time is missing in the top panel of Unity. This machine was originally installed with Ubuntu 12.10. I ...
61
votes
10answers
97k views

No sound from Chrome, sound works fine in Firefox etc (13.10)

I'm running 13.10 (all up-to-date) on a Lenovo laptop with a Griffin iMic USB audio device. Though I occasionally have to use the Pulse Audio volume control tool to re-select the iMic, it works ...
59
votes
6answers
115k views

How to install Arial font (and other Windows fonts) in ubuntu?

How to install Arial font in Ubuntu? I found many ways to install fonts in Ubuntu but I didn't find any proper way or method to install (particularly) Arial fonts in Ubuntu.
59
votes
7answers
48k views

pyvenv-3.4 error: returned non-zero exit status 1

When trying to create a virtual environment using the included pyvenv-3.4 that comes with 14.04, it throws an error: Error: Command '['/some/directories/bin/python3.4', '-Im', 'ensurepip', '--upgrade'...
58
votes
13answers
152k views

VirtualBox boots only in UEFI Interactive shell

I installed Ubuntu 14.10 in VirtualBox with UEFI. But now I have rebooted this OS and now it boots into a UEFI Interactive Shell v2.0. How can I boot normally into Grub again?
58
votes
4answers
88k views

14.04 --> 16.04 failed; apt (>= 1.0.1ubuntu2.13)' is not installed

(This question was not resolved. Due to time constraints Computer was restored to factory settings.) I was attempting to upgrade from 14.04 to 16.04, but apt threw this error: The required ...
57
votes
2answers
54k views

Upgrade Git version on Ubuntu 14.04

Can please somebody tell me what is wrong with this? I run $ sudo apt-get purge git; sudo apt-get autoremove; sudo apt-get install git Reading package lists... Done Building dependency tree Reading ...
57
votes
6answers
103k views

Enable 3D HW acceleration on VMWare Workstation 10 on Ubuntu 14.04

I am trying to enable hardware accelerated 3D graphics in a Win 8.1 VM in VMware Workstation 10.0.3 on Ubuntu 14.04.1 LTS (Trusty Tahr) to play the game Smite smoothly. I have checked that the HW ...
56
votes
2answers
70k views

Take photo using webcam

I would like to take a photo from my webcam. As I moved from Windows to Ubuntu I wonder if there is a built-in way to achieve this or I need special software. If so can you suggest a good one?
56
votes
8answers
70k views

Timer/stopwatch in Ubuntu 14.04 Unity?

Easy Stopwatch and Zeegaree Lite don't seem to be available in Ubuntu. What timer/stopwatch can I install in Ubuntu 14.04 (Trusty Tahr)?

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