Unanswered Questions

62
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 ...
21
votes
0answers
529 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 ...
12
votes
0answers
127 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 ...
11
votes
1answer
209 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 ...
10
votes
0answers
231 views

How to remap keys on one keyboard only?

I know I can use xinput to remap mouse buttons only on one mouse but leave others unchanged. This is very useful - in my case, I use it two connect to mice to my desktop, one right-handed and the ...
9
votes
6answers
905 views

How can I get TTYs to work with NVIDIA drivers?

If I'm debugging my graphics driver, I rely on the commandlines I can access by pressing Ctrl+Alt+F1-F6. However, after installing the latest NVIDIA drivers, the screen goes black when I switch to ...
9
votes
4answers
12k views

state of multitouch gestures in 14.04 / Unity

This seems like one of the most-asked items around here, but the Ubuntu dev team has been making changes fast in this area, so recent information is important. I'm on a macbook pro 9,2. When I ...
9
votes
0answers
664 views

What is causing Ubuntu on MacBook Pro to have high CPU usage?

I installed Ubuntu 13.10 on a MacBook Pro 10,1. However, after installing, the kworker process consumes over 90% of CPU usage. I tried the following: (Suggested in this answer) Execute grep . -r ...
8
votes
1answer
394 views

Howto create a new C++ based Ubuntu touch project in Ubuntu SDK?

There is no option to start a C++ and QML based project in Ubuntu SDK. It only offers to create a QML project with no C++ codes. If I try to add C++ classes to the QML project, I get this error: ...
8
votes
3answers
1k views

Touchpad gestures don't work on Dell XPS 15 L521x

I'm trying to get multi-touch gestures working on my Dell XPS 15. Two finger scrolling works but three or four finger gestures do not. I know that the touchpad is capable of multi-touch gestures ...
8
votes
4answers
7k views

Why is my external USB hard drive sometimes completely inaccessible?

I have an external USB hard drive, consisting of an 1 TB SATA drive in a Rosewill RX35-AT-SU SLV Aluminum 3.5" Silver USB 2.0 External Enclosure, plugged into my SONY VAIO VGN-NS310F laptop. It is ...
7
votes
2answers
2k views

How can I get Firefox to recognize multitouch gestures on a touch screen?

Multitouch seems to be working fine on Chromium out of the box, but not on Firefox. On Chromium, dragging a finger up or down the screen scrolls the screen as expected, but on Firefox, that gesture ...
7
votes
2answers
3k 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 ...
7
votes
5answers
3k views

Mouse flickering on one of my two screens

I just installed ubuntu 14.04 and the mouse is now flickering on one of my two screens. The other screen doesn't have any flickering. I was previously using ubunutu 13.10 without any issue. If I ...
7
votes
1answer
447 views

Remove arrows on system tray menus in gnome

I've recently upgraded to Ubuntu 13.10 with Gnome and have found the behaviour of the context menus on icons in the system tray behaves differently. For applets which normally have a large number of ...

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