67
votes
0answers
3k views

How do I enable Ubuntu (using full disk encryption) to call LUKSsupend before sleeping/suspending to RAM?

This question is related to another one by @Stefan, but it is not a duplicate of it. The questions are slightly different: the author simply wanted to know if this had been implemented, while I'm ...
10
votes
0answers
844 views

Google Chrome cursor and text selection issues after upgrading to google-chrome-stable_41.0.2272.76-1_amd64

I upgraded from google-chrome-stable_40.0.2214.95-1_amd64 to google-chrome-stable_41.0.2272.76-1_amd64 (automatic update on Ubuntu MATE 14.04 64 bit) and the mouse text selection stopped working and ...
9
votes
0answers
145 views

How to enable noise suppression in Ubuntu 14.04?

I'm trying to use a 3.5 jack microphone in Ubuntu 14.04, the problem is that Ubuntu doesn't have noise suppression by default, so I got a very loud static noise. I installed ...
8
votes
0answers
630 views

Wacom Bamboo Pen & Touch CTH-470 3+ finger gestures

I love my CTH-470 and I'm glad it's without having to spend hours in the terminal to get it working since I believe 12.10 (which I'm running now). But in the manual it states that you can swipe with ...
7
votes
0answers
168 views

“monitor brightness down” key resets brightness before lowering it

My monitor brightness down key resets my brightness before lowering it, effectively leaving me at near max brightness. I do not experience any problems with the brightness up key. I'm using a Dell ...
7
votes
0answers
367 views

Google Chrome touchscreen - right-click gets stuck

I'm having some problems with Google Chrome and my touchscreen in Ubuntu 14.04. Basic touchscreen usage works fine, but if I double-tap on the touchscreen (the gesture for a right-click, as far as I ...
7
votes
0answers
447 views

Confused about building OpenStack Packages?

I found OpenStack build task on Ubuntu QA site, but I am a little confused about the build steps. Here's the link for build steps: ...
6
votes
0answers
113 views

How to change index in OptionSelector immediately (without animation)?

In my app, I use an OptionSelector to choose from a list of bike stations. I also have a map component with placemarkers for each station. When I tap a placemarker, it also changes the OptionSelector ...
6
votes
0answers
601 views

Parallels: Scale title bars and menu not working

I've installed Ubuntu 14.04.1 LTS on my Macbook Pro 15" with Retina Display with Parallels 10. Unfortunately the whole GUI is very small so it isn't very comfortable to work with. A fix for this ...
6
votes
0answers
749 views

Why is SNMP broken?

Ubuntu Version: Ubuntu 14.04.1 LTS SNMP Version: 5.7.2 Short Issue: A lot of the entries in the "default" configuration file are broken. Which doesn't really matter because I can't even get SNMP ...
6
votes
0answers
4k views

Google Chrome error

I have installed Google Chrome by .deb file from google.com/chrome/ Installation was ok but when I opening through terminal it says the code below although it opens it self. And it's unopenable ...
6
votes
0answers
12k views

Installing Oracle database 12c on Ubuntu 14.04

Is there anyone out there that got Oracle 12c working on Ubuntu 14.04? I tried following this tutorial (which is written for installing Oracle 12c on Ubuntu 12.04): But in linking faze I encountered ...
6
votes
0answers
96 views

Multiline R commands are only partially shown in the command line history

I generally use R from the command line. However, this problem has been annoying me. When I use the up arrow to get a previous command, if that command was multiple lines, then R only shows the last ...
6
votes
0answers
6k views

Xlib: extension “GLX” missing on display “:0”. and OpenGL GLX extension not supported by display ':0'

I am trying to use OpenGL on my Ubuntu 12.04 LTS. I installed OpenGL with the following commands: sudo apt-get install g++ cmake sudo apt-get install freeglut3 freeglut3-dev sudo apt-get install ...
6
votes
0answers
175 views

xsetwacom can't map keys correctly

I recently bought a Wacom Intuos listed with xsetwacom as Wacom Intuos PT M. I figured out how to configure the buttons and actions, but when I try to set any button to some particular letters, they ...
5
votes
0answers
153 views

How to clear system tray notification via command line

I have an application which produces system notification every 5 seconds. Overtime the notification tray I have (Gnome env) gets crowded. How can I clear it like every minute but I need to do this ...
5
votes
0answers
559 views

Cannot find Orca GUI based settings manager on Ubuntu 13.04

I use Ubuntu 13.04. I found Orca could initialized in Universal Access, but I cannot find its GUI based settings manager. I can't even start its settings manager via the command orca --setup or with ...
5
votes
0answers
399 views

What's the best way to set the touchpad properties and behaviour?

Currently there are just too many places to set touchpad properties and behaviour. The default sytem settings moused and touchpad tool. The dconf-editor key /org/gnome/settings-daemon/plugins/mouse/ ...
5
votes
0answers
564 views

play sound from different applications on different output devices (speakers, headphones)

I want music (played e.g. via Audacious) to be played on speaker system, and all other sounds produced by other applications (including ubuntu sound effects) to be played on headphones. My computer ...
4
votes
0answers
15 views

Unable to login to Gnome-Shell in Ubuntu 14.04

How do you fix being unable to login to Gnome-Shell? I upgraded to 14.04 from 12.04 on a Macbook, and after some initial trouble configuring video, I was finally able to get the Nvidia driver to work ...
4
votes
0answers
12 views

can't boot the recovery mode. how to trace this and fix it?

A system normal boot is OK. But I can't boot the recovery mode. It stops in a process, just blank screen. How to trace this and fix it?
4
votes
0answers
24 views

Distance between folders inside “Icon view” mode (Nautilus)

I'm using two different file managers, and there one annoying thing which I admit in Nautilus. On the picture below you can see how beautiful Thunar show "Icon view" and how it's look in Nautilus on ...
4
votes
0answers
15 views
+200

How does Juju get the private-address of a node

I have a setup where each node has 2 interfaces: One connected to a private network between the nodes one connected to a public network. The communication between Juju (on my laptop) and the nodes ...
4
votes
0answers
47 views

How to boot Ubuntu in complete darkness?

Is there a way to load Ubuntu without the splash screen or verbose mode? That means no visual queues or code reporting. Is this possible? Known settings in the grub loader: Verbose Mode ...
4
votes
0answers
43 views
+50

Force Pidgin to acept an invalid certificate

I am getting the following error on Pidgin 2.10.10-3.fc20 (libpurple 2.10.10). How can I force it to accept an invalid certificate? (According to this bug report it should be capable). Here's ...
4
votes
0answers
37 views

Change trash icon command in Unity

I have recently replaced my default file manger from Nautilus to Dolphin, so I would like when I click on the trash icon (in left narrow panel), Dolphin opens trash folder not Nautilus. For this I've ...
4
votes
0answers
65 views

Program[Digikam] chooses wrong qt lib and crashes

I run Ubuntu 14.04 64bit. Digikam used to work but recently stopped working. I was wondering if someone could help me work a way to resolve this issue. I've had a response from the Digikam mailing ...
4
votes
0answers
61 views

Direct ssh tunnel through a reverse SSH tunnel

I have 3 PCs: A is behind a firewall and cannot be reached from outside the local network B is outside the A network, has a public DNS but cannot see A C is a laptop without public DNS that often ...
4
votes
0answers
96 views

Disable thumbnail creation for specific folders only, but all users

I want to prevent my Ubuntu 14.10 to create and save thumbnails for a specific folder only. I am writing a program that creates great amounts of small graphics dynamically and I don't want to have ...
4
votes
0answers
160 views

VLC 2.2.0 crashes

I have problem with VLC 2.2.0 on my Ubuntu 14.10, every time I play video it crash itself. This is error: VLC media player 2.2.0-pre2 Weatherwax (revision 2.2.0-pre1-15-g5178b24) [0000000001018118] ...
4
votes
0answers
39 views

How do I get cmatrix to turn on after a certain period of inactivity in console?

I have got the console screensaver cmatrix, and I was wondering if there is anyway of getting it to turn on after a certain amount of inactivity in the console you are in? OS Information: ...
4
votes
0answers
30 views

radio telescope programs

I could not find one dealing with this. I was wondering if there is any radio telescope programs available for the Ubuntu 14.04, and if not how would I go about writing one? I am using a D.N. dish ...
4
votes
0answers
71 views

Debugging a crash when keyboard is not responsive

Ububtu 14.04, Kernel 3.13 crashes very frequently notably when using Firefox, Eclipse and VLC. The effect of the crash is all USB devices stop responding if playing a video, it hangs up and sounds ...
4
votes
0answers
42 views

How to make volume levels universal

I have noticed for instance, when having my headphones plugged in if I change the volume down to 40%, but before plugging the headphones in I had the volume at 100%, then when I unplug my headphones ...
4
votes
0answers
596 views

Couldn't find synaptics properties after reboot. No synaptics driver loaded?

Every time I reboot my laptop, my touchpad scrolling stops to work. I assume it's because my synaptics isn't loading as when I try to run synclient. I get the Couldn't find synaptics properties. ...
4
votes
0answers
50 views

How to disable internal sound card in Ubuntu?

I'm a first time Ubuntu user as of today. I've installed on an old laptop of mine, a Compal FL90. I forgot until this new install that the internal sound card is faulty and makes a nasty high-pitch ...
4
votes
0answers
75 views

Change the opacity of a cut selection (nemo.css)

I am trying to find what I need to edit in a GTK theme (specifically Ambiance) to change the opacity of a cut file. A selected file is orange and when I cut it, it is a little opaque - I 'd like it to ...
4
votes
0answers
434 views

Cannot sudo apt-get -f install because of jdk problem

I am completely stumped. The problem is as follows. user@mycomputer:~$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done ...
4
votes
0answers
64 views

Multimedia keys not working after updating gnome

I recently upgraded to gnome-shell 3.12 because my unity desktop stopped working. Everything is working fine except that my multimedia keys (volume, brightness, etc.) and my shortcuts (Ctrl-Alt-T) ...
4
votes
0answers
38 views

How can I use emacs instead of Ubuntu SDK to write Ubuntu Touch Apps?

I want to use emacs and console tools instead of Ubuntu SDK to edit and debug my projects. Where can I learn about doing that?
4
votes
0answers
515 views

Android Studio doesn't render Ubuntu Mono Font well

It doesn't even recognise it as a Monospaced font. Then it only shows anti-aliasing when the font size is set to 20 or over. But for other fonts it does it at 16. The result is ugly looking fonts and ...
4
votes
0answers
252 views

Wine not installing, no matter what

Alright guys, here's the deal. I'm on ubuntu 14.04 xfce version, running on an Acer C270 Chromebook with crouton. This is a clean install of Ubuntu, not upgraded from a previous version, nor did it ...
4
votes
0answers
92 views

Mac style application shortcut in KDE (focus existing instance or launch new one)?

In osx you can set a shortcut keybinding for any app (using Better Touch Tool), and when you press that key, if the app is not open, it will be opened, otherwise it will be brought in the front. I am ...
4
votes
0answers
432 views

Macbook pro volume keys not working

Macbook Pro 5,4 volume hot keys no longer change the volume. Numerous reboots, remapping of the keys in system settings, still not working. mute key works fine but volume up and down are not ...
4
votes
0answers
433 views

unattended-upgrades error: “/etc/cron.daily/apt: DB Update failed, database locked”

Ubuntu 14.04.1 LTS Since installing unattended-upgrades, the following error message is received daily: From root@xxxxx Thu Aug 28 06:36:06 2014 X-Original-To: root From: root@xxxxx (Cron Daemon) ...
4
votes
0answers
782 views

Gave Up Waiting For Root Device - Fresh Install 14.04

I am getting the error: Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the system wait long enough?) - Check root= (did the system ...
4
votes
0answers
69 views

Custom repository for “click” packages

For standard deb packages we can use reprepro. Is there any custom repository related solution for "click" packages?
4
votes
0answers
128 views

Can I make the Gnome 3 overlay show the current wallpaper rather than the wallpaper on login?

I'm using Gnome 3 (GNOME Shell 3.10.4) and I have a script that changes the wallpaper using gsettings set org.gnome.desktop.background picture-uri <file>. This works just fine with regards to ...
4
votes
0answers
298 views

Why has nautilus' “Send to…” context menu replaced with “Email…”

I have been using Ubuntu for quite sometime and I've always seen the context menu "Send to..." where a dialog pops up showing all the places I could send my file to. But, after upgrading to 14.04, I ...
4
votes
0answers
253 views

Get keyboard scancodes in Ubuntu 13.10

I'm trying to find out the scancodes for a set of foot pedals so that I can rebind them to more useful keys. In older versions of Ubuntu I was able to do this using /lib/udev/keymap as discussed here, ...

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