For questions regarding the Unity desktop environment, including configuring Unity and using it.

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19
votes
0answers
2k views

How do I start developing a lens for Unity? [duplicate]

I would like to know how to create one of those lenses for unity. I know how to program. but I don't know where to start. Are there certain libraries I should use or docs that I should read? Are there ...
51
votes
1answer
16k views

What happens under the covers to log me in and start up Unity or another Graphical User Interface?

When there's trouble, it might be good to understand what happens under the covers to sign a user into a GUI session and get a Unity (or other window manager) to bring up a desktop.
42
votes
7answers
103k views

How do I restart a Unity session from the terminal?

The command for restarting Gnome2 is: sudo /etc/init.d/gdm restart What is the equivalent for Unity?
26
votes
6answers
69k views

Unity missing? Can't see top or side panels [duplicate]

I just removed some effects using ccsm, switched to the AMD proprietary driver, rebooted and after I log in, the unity panel is no longer there. If I hit the windows key or the alt key, nothing ...
71
votes
4answers
97k views

How do I disable the screensaver/lock?

When I'm watching a film in Mythtv the screen turns to black every 10 - 15 mins and I have to log back into Ubuntu. Very annoying! How do I disable the black screen / screensaver / logout in Unity? ...
42
votes
5answers
63k views

How to disable all Unity animations?

If it's not possible then maybe just the Dash show/hide animations. I simply find myself waiting for animations which is pointless.
12
votes
3answers
11k views

13.10 - Black borders, black terminal

I've just upgraded to Ubuntu 13.10 and I'm seeing a strange behaviour. All windows I open have a black, boxy border, including popups, as you can see in the provided image. (The black box in the ...
12
votes
5answers
19k views

Ubuntu resolution with Ultrabook

I installed 12.10 to Asus Zenbook Prime UX31A. Now I face a resolution problem. The default resolution is 1920x1080. But everything is too small with this resolution. Icons, Unity, file system, ...
18
votes
5answers
4k views

How to remove “Apps Available for Download” from the applications lens?

Is there some way to modify the Applications lens in Unity so that we can remove the "Apps Available for Download" section? The section is really annoying for normal use. We don't have to know why we ...
12
votes
2answers
3k views

How to disable Alt + `?

I can't find this shortcut, please help.
20
votes
1answer
8k views

How do I use Unity drag handles?

I saw on this post that Unity has touch enabled drag handles. How do I turn them on so I can use them with a mouse?
20
votes
1answer
7k views

How do I add applications to the Unity launcher?

How do I add apps to the Launcher?
7
votes
3answers
2k views

Ubuntu is kde styled after install AND removal

I installed kubuntu-desktop and every thing was fine. Then later when I actually logged in to Kde, I decided that I still like Unity better so I ran sudo apt-get purge kubuntu-desktop && ...
8
votes
0answers
7k views

Unity 3D doesn't work anymore, just shows a menu on the top [duplicate]

Possible Duplicate: Unity doesn't load, no Launcher, no Dash appears I no longer have Unity 3D in Ubuntu 11.10. After I reinstalled Unity 3D, my desktop looks like this: Any ...
1
vote
2answers
3k views

Finding Installed Software

Since I have not been able to open Dash Home in 12.04.4 see Dash Home will not open, I am hoping for a work-around. Is there another convenient way to open apps/programs without having to search ...
143
votes
7answers
81k views

Missing date & time applet from top Unity panel

I like Unity very much. Recently, I installed Compiz manager and Nautilus Elementary also then tried to Play. During some of my playing around, Unity's clock applet has vanished. I want to make it ...
50
votes
4answers
57k views

How do I add an application to the dash?

I just installed Oneiric Ocelot, and I can't figure out how to add an application, which is stored in my home directory, to the dash. I can create a launcher, but I want it in the dash also.
62
votes
2answers
17k views

How do I install the Ask Ubuntu Unity Lens, and how do I use it?

I heard about the Ask Ubuntu Unity Lens over in the chat, and I was wondering how to install it. What are the step-by-step instructions to get it installed, activated and once that's done, how do I ...
25
votes
1answer
78k views

How to completely remove Unity, and replace it with Cinnamon?

I installed Cinnamon 1.8 on Ubuntu 13.04, and now I would like to completely remove Unity and everything related to it, but I'd like to keep the programs, LightDM and Software Center. What packages ...
56
votes
7answers
98k views

How can I change the icon of an application in the Unity launcher?

I'm trying to change the icon of a specific application (Pidgin) in my Ubuntu 11.10 Unity launcher. I have tried searching in the options and in the Compiz settings but could locate no option for ...
37
votes
7answers
14k views

How can I remove duplicate icons for “launched” java programs in the launcher?

When launching java programs (like IntelliJ IDEA and Crashplan) in Natty's Unity launcher, duplicate icons are shown (see image). For IntelliJ I created the .desktop file, for Crashplan the .desktop ...
30
votes
6answers
37k views

How to re-enable tray icons for applications in Ubuntu?

Unfortunately in Ubuntu 13.10 there is no tray icon and whitelisting is removed. The older solutions do not work for me, e.g. I get the message: No such schema 'com.canonical.Unity.Panel' when I try ...
72
votes
2answers
114k views

How can I install XFCE along side unity?

I would like to be able to install XFCE to run alongside unity so I can choose, upon startup, which DE I use, without breaking any features of either DE. Following this: Xubuntu 14.04 Trusty Tahr: a ...
127
votes
9answers
47k views

Is there an easy way to rearrange or move the icons in the Unity launcher?

It looks like the only time that you can choose where an icon goes on the unity launcher, is when you add it. Is there a way to rearrange the order of an icon after it has been added?
38
votes
5answers
15k views

How does Unity work in multi-monitor configurations?

Unity in 10.10 appeared to be focused around single monitor configurations with a single tasking workflow. This works quite well on a netbook which has limited screen real estate. How does the ...
17
votes
1answer
1k views

How to get a different Unity Launcher with different icons on each workspace?

I read through the various answers to having separate desktop folders in each Workspace using Screenlets, devilspie, or CCSM ... but that's not the answer to my question. I installed 14.04 LTS a few ...
26
votes
4answers
36k views

How to install Unity 8?

I'm using Ubuntu 14.04 and found out that we can install Unity 8 on it. Will Unity 8 replace Unity 7 once I install it? And if it does can I switch back to Unity 7 if I want? How would one go about it?...
16
votes
4answers
51k views

Reset Unity and Gnome to default values [duplicate]

Possible Duplicate: How do I reset my Unity configuration? How do I reset GNOME to the defaults? Apparently I've messed up a lot with my Unity and Gnome 3 settings and now my system looks ...
6
votes
1answer
2k views

How to automatically bring an activated window to the foreground? [duplicate]

When I have a file browser and an image viewer opened and I double click a photo, the image viewer doesn't jump to the foreground, its icon just shakes a bit and acquires a glow around it, and I have ...
11
votes
4answers
9k views

Can I change the Unity Launcher transparency?

Is it possible to change the background opacity of the Unity Launcher? I see you can change the panel opacity, but then the launcher clashes with the panel.
46
votes
4answers
23k views

How can I run Unity in a virtual machine?

Originally it was the case that Unity could not run in tools like Virtualbox. How can I now do so?
16
votes
2answers
44k views

Network Manager Icon disappeared 14.04

So a couple of weeks ago my network manager icon stopped appearing; I still get automatically connected to my saved networks and the internet works fine, etc. If I go into System Settings and look at ...
8
votes
1answer
3k views

One line command for adding new items to com.canonical.Unity.Panel systray-whitelist

This is more of a how to use command line instruction question more than how to add items to the Unity notification panel. I have to have a one line CLI to add a new item to com.canonical.Unity.Panel ...
9
votes
4answers
5k views

How can I install Unity after installing Desktop Edition?

I've just upgraded my Ubuntu Desktop from 10.04 to 10.10 on my netbook. How can I install Ubuntu Unity for my notebook ?
6
votes
1answer
8k views

What is the “Dash”?

This may be a stupid or trivial question, but I am new to Ubuntu, and have two unsolved problems (flashplayer doesn't play, and scanner doesn't work - in virgin install 13.04), so I started to search ...
5
votes
1answer
2k views

Only can move the pointer after upgrading

I made a partition on my desktop pc, 100 GB and installed Ubuntu 12.10 on it. It was pretty slow first thought it had to install updates or something, so I rebooted it. Now after the login it looks ...
120
votes
4answers
100k views

How do I set focus follows mouse?

Is there a way to set up "focus follows mouse" behavior in Unity?
42
votes
6answers
10k views

How to speed up the Dash response?

Is there a way to speed up the Dash? When I press the super key for the first time it can take ~2 seconds for the dash to appear. Whereas if I use Synapse, it will appear instantly.
19
votes
1answer
13k views

Shouldn't dconf-editor and gsettings access the same database?

This is a basically 'academic' question --- to try to understand better the configuration system innards. I understand that the dconf system is the new configuration system in gnome3 that has ...
25
votes
12answers
15k views

How can I reach over 100% volume with a keyboard shortcut?

sometimes the sound of videos isn't enough for me. so i reach the sound indicator , over sound preferences and change it to a level higher than 100%. the question is how can i do it from the keyboard? ...
11
votes
5answers
25k views

Unity isn't starting on 13.10 (with Cinnamon 2.0 installed) [duplicate]

Since upgrading to 13.10, I can't log in to unity desktop. Light dm works correctly, but attempting to log in tries to start the session then drops back to light. I've already dropped to terminal (...
28
votes
2answers
29k views

How to hide all desktop icons in 12.04 and later?

In 11.10 Using Configuration editor, one used to be able to edit a boolean parameter named : Desktop_Show This allowed to hide/show all desktop icons. This latter was removed in 12.04. Someone, ...
20
votes
5answers
10k views

Making youtube fullscreen will freeze Unity (the whole desktop)

I never had this problem until today. When I watch a youtube video everything is fine, until I make the video fullscreen. It actually continues to play perfectly when fullscreen, but when I then exit ...
56
votes
2answers
63k views

Where are the Unity desktop wallpapers located?

Yes, before I ask this question I searched for a solution here and could not find a real answer. Thank you. Please see the picture below:
25
votes
5answers
91k views

How To Install And Test KDE Plasma 5 On Ubuntu 14.04

KDE Plasma 5 is hitting release candidate now: Schedules/Plasma 5 - KDE TechBase. How can I install plasma 5 in Ubuntu 14.04.
18
votes
6answers
19k views

How to change the color of the scroll bar?

The scrollbars in Unity are of very low contrast, and I can't see where the bar is using just peripheral vision. I have to look at the scrollbar. Look at Mac OS X interface and notice the blue, ...
16
votes
5answers
11k views

Save Unity Desktop Session

Is there a way to save current session (the applications + the organization of windows in desktops) in Unity and load it when needed?
12
votes
11answers
99k views

Launcher, top Panel, and window decorations missing after 12.04 upgrade [duplicate]

I upgraded from 11.10 to 12.04 and now my launcher is missing. I opened terminal using CTRL+ALT+T and the menu shows but the GUI (bar) window decorations above that is missing. Things like CTRL+TAB ...
9
votes
1answer
474 views

Compile Unity without launcher

I would like to modify unity to not show the launcher (left side bar) at all. I'm not looking for any solution that would let the launcher be in some cases visible. I really want it to completly ...
17
votes
2answers
9k views

Why do some open applications appear as “question marks” in the Unity launcher?

I'm having a problem with a couple of programs that have launchers in unity but then create a separate icon after launched. Is is possible for the launcher to track the windows it spawns to organize ...