Unanswered Questions

61
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 ...
19
votes
0answers
462 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 ...
11
votes
1answer
195 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
1answer
458 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 ...
10
votes
0answers
90 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 ...
9
votes
5answers
788 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
10k 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 ...
8
votes
1answer
196 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, ...
8
votes
0answers
172 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 ...
8
votes
2answers
9k views

Unable to mount/access phone after upgrade to Ubuntu 14.04

A Nokia Lumia 920 will not mount in 14.04. When I was running 13.10 this wasn't an issue. What should I try? Or will I have to revert to 13.10? What mtp-detect shows: kjhg@kjhg-LIFEBOOK-AH530-HD6:~$ ...
8
votes
0answers
530 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
374 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
2answers
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 ...

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