42
votes
0answers
2k 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 ...
13
votes
0answers
266 views

How to lock ubuntu device orientation in portrait or landscape from user input?

I am working on a reader app to be used on Ubuntu-Touch. When reading books from the app it would be a helpful feature to lock the orientation in either portrait or landscape. This would be useful ...
10
votes
0answers
663 views

Garbage in primus with nvidia bumblebee on Trusty

The following appears when running optirun glxgears with primus and nvidia-331-updates configured in bumblebee.conf: This is on 14.04 Trusty Tahr, upgraded from 13.10. The application seems to run ...
6
votes
0answers
208 views

USB sticks not accessible & system hangs at shut-down: related older hardware?

Please notice the two updates at the end of the post. Original problem I installed Lubuntu 14.04.1 on an older Acer Travelmate 4500 using the forcepae option and adjusting upowerd.py according to ...
6
votes
0answers
94 views

Gnome Shell Extension Development

I do my first steps in developing gnome 3 shell extensions. Actually I try to realize this simple thing: I want to suppress the annoying "Application xyz is ready" notification. After a bit of ...
6
votes
0answers
413 views

Custom paper size = Processing - Not Connected?

I am trying to print a custom paper size of 105.00 inches x 23.39 inches (the GLDT for my office :D). Whenever I try a custom paper size, the job sits in the queue with the message Processing - Not ...
6
votes
0answers
2k views

Tata Docomo Photon 3g not working on 12.04 LTS

I recently upgraded from Tata Photon+ to Tata Docomo Photon 3G, however Ubuntu is not recognizing the device itself. I tried manually adding the device in Mobile Broadband section, using different ...
6
votes
0answers
627 views

Display problem when adjusting brightness in ubuntu 12.04

Recently I installed Ubuntu 12.04 on my Dell 1554 laptop. I was adjusting my screen brightness when this happened : this has become a recurring problem which is really annoying. I also want to ...
5
votes
0answers
85 views

Launchpad: CLI “Copying packages”

I'm using Launchpad to upload a .dsc, a debian.tar.gz and a .orig.tar.xz. The orig archive contains both i386 and amd64 files, and I use debian/rules to build different architecture packages. But it ...
5
votes
0answers
7k views

Changing icon font size/colour in 14.04

How can I change the desktop icon font size/colour to something more readable? At the moment, icon text looks like this: unity-tweak-tool (as mentioned in How do I change fonts and adjust their ...
5
votes
0answers
31 views

Is there an option to “force” the dash to open a file after I click on it instead of going to options?

When I launch an application from the dash I just need to type a few letters and when I see the application I want, I just click on it and it opens. The problem in the Files & Folder lens. When ...
5
votes
0answers
4k 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 ...
5
votes
0answers
49 views

High-level library for Unity Dash?

I've wanted to write a GTK+ version of Unity Dash for some time. I think it could be useful for Xfce, Gnome Flashback, elementaryOS, etc. Before I start doing anything about it, I'd like to know if ...
5
votes
0answers
240 views

Sound from bluetooth speaker seems to freeze often and is out of sync with the video

Computer Model: Dell Inspiron N5050 (laptop). Version of Ubuntu: Have checked in Ubuntu 13.10 and 13.04 Model of Bluetooth speaker: Bose Soundlink mini bluetooth speaker Description of issue: Issue ...
5
votes
0answers
2k views

problem Kernel panic - not syncing: fatal exception in interrupt drm_kms_helper:

I'm having a problem with my Dell Inspiron 1564, I am getting this error: problem Kernel panic - not syncing: fatal exception in interrupt drm_kms_helper:: panic occurred, switching back to text ...
5
votes
0answers
1k views

Ubuntu 12.04 Unity: Black screen with cursor only, when external display is connected before booting laptop

Whenever I connect an external display to the DSub port of my laptop before booting into Ubuntu, something goes wrong in Unity to cause the exact same problem as described here: After logging in, ...
5
votes
0answers
385 views

Empathy Chat: People Nearby text chat OK but file transfer fails. Why? How to troubleshoot?

Problem: Chat works (sending text and smileys) with the "People Nearby" feature but sending files silently fails. Going to Contact > Send File presents the sender with a file chooser and no error is ...
5
votes
0answers
109 views

How to stop reordering of the same kind multiple preview windows in task switching?

When using task switching in the default graphical mode of Ubuntu 12.04, if they are multiple windows of the same kind, eg. multiple Terminal windows, you can see them all together and select which ...
5
votes
0answers
506 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 ...
5
votes
0answers
696 views

Logout/Shutdown taking very long, how to find the problem?

Some months now, it's taking very long to logout/shutdown/reboot my ubuntu box. it doesn't happen with a fresh profile it still takes ages even when i close all running programs first (foreground ...
4
votes
0answers
89 views

Backup LVM snapshots and Grub2 problem

Long story short, I'm using obnam to take backups of my system. This is what I do: take LVM snapshot of /, /usr, /boot, /var, /home mount the snapshots on /bck-snapshots, /bck-snapshots/usr, ...
4
votes
0answers
547 views

Ubuntu Gnome 14.10 - desktop performance degraded when certain apps are running

I have upgraded from Ubuntu Gnome 14.04 to 14.10 yesterday using standard Software Updater GUI. The upgrade went smooth, however once upgrade was done I've noticed significant desktop performance ...
4
votes
0answers
74 views

What component is responsible for tray and how to manipulate it using C++?

My goal is to write a desktop gui application that will utilize these commands found in http://askubuntu.com/a/14083/18330 pacmd list-sinks to list name or index number of possible sinks pacmd ...
4
votes
0answers
50 views

Why opening apps in Ubuntu Touch takes so long?

Why in current ubuntu touch images, the apps take so long to open? When I click on some app, the phone show the icon of the app selected and the "icon of loading". This is a bug, or is this how it ...
4
votes
0answers
324 views

How to start/configure pulseaudio remotely with ssh?

I have a remote machine to which I can ssh. On the remote machine there is a program that uses pulse audio to get input from a USB microphone attached to the remote machine. This setup works fine when ...
4
votes
0answers
148 views

How to install a second graphics card and use 4 monitors?

I finally decided to take the plunge and ditch windows. After several hours I got things working perfectly with all my apps installed. Only problem is that I run 4 desktop displays off 2 nvidia ...
4
votes
0answers
971 views

OpenVPN: The VPN connection to … because of invalid VPN secrets

I am 3 days into using Linux. I set up an OpenVPN connection following the instructions set out by: https://www.goldenfrog.com/support/vyprvpn/vpn-setup/linux/openvpn OpenVPN installation went ...
4
votes
0answers
97 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
105 views

Can't change brightness after disconnecting second monitor

When I boot up with 2 monitors, or when I connect the second monitor to my laptop, I can change brightness of the laptop screen in the usual sense. After disconnecting the second monitor, when I ...
4
votes
0answers
2k views

Ubuntu 14.04 system hangs after installing pam module for ldap client with intel_rapl: no valid rapl domains found in package 0

I am running VMWare Workstation 10.0.2 on a Windows 8.1 host. I installed Ubuntu Server 14.04 as a virtual machine. Everything works fine. All updates, upgrades and dist-upgrades are installed. After ...
4
votes
0answers
179 views

Xubuntu Restarts Automatically after Shutdown

I recently installed Xubuntu 14.04 on a Dell Workstation. Whenever I shutdown, two things happen. Either it shuts down and automatically restarts, or it hangs at shutdown with a black screen. ...
4
votes
0answers
187 views

Cannot change Wifi settings, stuck on WEP Security

I just started using Linux and as such do not have a proper knowledge of how to use the command line and all of those sorts of things, so please try to bear with me :). I have been able to connect to ...
4
votes
0answers
84 views

Login takes long time when there's no internet

I have noticed, after I upgraded to 14.04, that when I have a poor Wifi connection or the network is disabled from the the login screen, the resulting login can take over two minutes. If I have a ...
4
votes
0answers
58 views

Multiline R commands disappear in command line

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 ...
4
votes
0answers
886 views

adobe flash not working?

hi friends i am having a problem whenever i try to play videos on you tube or any other site i always get an error adobe flash player is required to display some contents on this page but the ...
4
votes
0answers
409 views

Is Bluez (bluetoothd) not sending DBUS method_call SelectConfiguration upon Connection? If so, how do I catch it?

UPDATE : not solved yet, but part of a solution. See below. I am attempting to connect my iPod or other smart device to my laptop (Kubuntu 13.10) via bluetooth and stream a2dp-encoded music to a ...
4
votes
0answers
653 views

How to Enable Multi-Touch screen on Dell Vostro 5470?

I bought the new Dell Vostro 5470 with touch screen that supports multitouch (to 10 fingers). I installed Ubuntu 13.10 and it worked just touch the screen with one finger. Would enable multitouch but ...
4
votes
0answers
132 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 ...
4
votes
0answers
373 views

Opentype features in Libreoffice

Is it possible to use Opentype's features like ligatures in Libreoffice? if yes, how? Because as far as I know, in Ubuntu and Linux in general, these features are available only for graphite(aka ...
4
votes
0answers
152 views

About the calendar on the top bar

So Ubuntu has this calendar on the top bar(Unity). Now whenever I open it and click on a day, it gets highlighted with bright orange color. If I close it now and open it again after like 1 or 2 days, ...
4
votes
0answers
1k views

Canon LBP3100B Printer => CAPT driver is installed => when I try to start ccpd, I get this: `Check the DevicePath of /etc/ccpd.conf`

OS: Ubuntu 13.10 64 bit Driver: CAPT v2.60 -> debian package 64 bit Printer: LBP3100B Regarding to this "Answer", I've installed the canon CAPT driver on my machin, but when I try to ...
4
votes
0answers
2k views

Integration multiple internet connections ISPUnity vs Ubuntu Bonding

I have Ubuntu 13.04 with 2 ethernet cards and a WiFi card. I also have 3 ISP connections. I have to configure linux to use all 3 connections. My main concern is to increase outgoing bandwidth (FTP ...
4
votes
0answers
489 views

ButtonMapping - Positional parameters

In an X configuration file mouse buttons can be mapped using a ButtonMapping option: Section "InputClass" # ... Option "ButtonMapping" "1 9 3 4 5 6 7 8 2" # ... EndSection Changing the ...
4
votes
0answers
2k views

How to install hp scanjet 200 in Ubuntu 12.04?

Unable to scan with hp scan-jet 200. When I type lsusb command in terminal it shows the scanner details. I opened the simple scan which displays no scanners found, and x sane image scanners also ...
4
votes
0answers
463 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 ...
4
votes
0answers
446 views

Conexant Modem running under Ubuntu 12.04 LTS

I've bought a USB 56k Dailup-Modem for using HylaFax later on. The Modem gets recognized by the system via lsusb as follows: Bus 006 Device 002: ID 0572:1329 Conexant Systems (Rockwell), Inc. But ...
4
votes
0answers
3k views

run Ubuntu Touch Developer Preview on desktop?

Is there a way to run the Ubuntu Touch Developer Preview in an emulator or VirtualBox on 13.04 desktop? Id like to develop a cross-platform app but I do not have a device I can flash the touch preview ...
4
votes
0answers
136 views

How do I enable pressure for my Wacom Intuos L?

I saw a few answers that give a very long procedure to install some drivers but they are very old. The tablet works but there is no pressure sensitivity Not in Krita, MyPaint or Gimp.
4
votes
0answers
47 views

How can I change the time zone of bandwidthd?

Is there any way to change the UTC offset for the graphs generated by bandwidthd?
4
votes
0answers
345 views

Middle Mouse Button Doesn't work

After I upgraded to 12.04 LTS my middle mouse button stopped working... it worked fine before the upgrade. I can scroll with the wheel but when i push it down it refuses to work. Can someone tell me ...

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