Lenses are elements of the Unity Dash that provide a UI to search both the web and application data. If you have a question related to a specific lens included by default, please use its tag instead.

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160
votes
36answers
123k views

What lenses for Unity are available?

This question is present as a matter of historical interest. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on ...
56
votes
2answers
16k 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 ...
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 ...
17
votes
5answers
3k 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 ...
11
votes
1answer
2k views

How to let Ubuntu index and find files on a different (Windows) drive when searching?

I love the Unity dash and lenses, but it only finds files that are under /home/mylogin I would like it to find files that are under /media/MyWindowsDrive/Users/MyWinLogin I tried creating a link to ...
8
votes
4answers
6k views

How do I disable Online Videos in the Unity Dash?

Recently, I discovered that, Unity lenses can access Internet to fetch information. Such as Video lens. But I want to disable that feature, since It is no use to me. Can I disable access to Internet ...
9
votes
1answer
2k views

How to delete Apps and Files & Folder (lenses) icons from Launcher?

Hi there, I've been looking for some information about how to delete those Icons (Applications and Files & Folders). Why? Simple, because I understand that Ubuntu's button (BFB) it's a better ...
8
votes
4answers
712 views

Files lens and xdg-open only open nautilus but not the correct applicatiion

since some days my Files lens opens only nautilus but not the correct application which is associated with the file extension. For example, if I choose a PDF file, Nautilus is openend, pointing to ...
2
votes
1answer
3k views

Unity Lenses Missing (files/folders, applications)

The File & Folders lens and default Applications lens is missing from my dock. How can I get them back? I attempted the guide here: ...
5
votes
2answers
2k views

Unable to remove some unity lenses

I removed the files, video, photos and friends lenses with the following command. sudo apt-get purge unity-lens-files unity-lens-video unity-lens-photos unity-lens-friends Although the ...
18
votes
2answers
13k views

What exactly is a “lens”?

I've seen a number of questions about lenses, and I've picked up enough to work out that it's something to do with the Unity shell in Natty, but I haven't really worked out exactly what is meant by ...
3
votes
0answers
2k views

Search results in Unity are always empty [duplicate]

Possible Duplicate: Dash search gives no result This is a bit similar to Unity File Lens Giving Useless or No Results but worse - I have a relatively clean install of 11.04, upgraded from ...
1
vote
1answer
299 views

The video lens in unity is not showing up

I recently upgraded from ubuntu 11.10 to 12.04 lts. the unity launcher dosent show the video lens.
14
votes
5answers
9k views

How to disable lenses in the in the Dash menu?

How can I disable some lenses in the Dash menu?
5
votes
1answer
879 views

How to write a simple scope for a Unity lens? [duplicate]

I am looking for a tutorial on writing a scope for simple search from a website. The tutorial at Ubuntu wiki is very complex. If somebody can explain me the steps to write a scope in a simplest way, ...
8
votes
2answers
2k views

Unity “Files & Folders” lens can't find anything

Recently, the Unity "Files & Folders" lens can not find anything I am searching for using the dash. Let's give an example : I want to find a document called "Figure_1.png". Before this trouble, I ...
7
votes
1answer
8k views

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

I read that there is a Unity Book Lens available. How do I install it and how do I use it?
11
votes
1answer
2k views

How do you change the search location of the Music Lens?

My music collection is on a separate partition and not under /home/username/Music. How do I get the music lens in Unity on Ubuntu 11.10 to search in a different location?
7
votes
2answers
3k views

How do I install the Reddit Unity Lens?

So I was looking at Jorge Castro's blog, and I saw that there was a Reddit lens for Ubuntu 11.04 Unity. How do I install it? Is there a PPA?
6
votes
2answers
672 views

Reconfiguring the music lens for Audacious

As much as I love Banshee for managing my library, its a bit slow (on my laptop) to use as a media player when I just fancy listening to a song and it also lacks the plugins for enhancing the sound ...
1
vote
1answer
638 views

Video lens missing after upgrade to 12.04 [duplicate]

Possible Duplicate: The video lens in unity is not showing up I did an upgrade from 11.10 to 12.04 and after this process I saw that the dash was missing my lens for movies and online TV ...
8
votes
1answer
312 views

Would a Unity lens written for Unity 3D also work in Unity 2D?

I am thinking of writing a few lens features to link Unity into some business web applications, do I have to target both Unity variants separately or can I do one and assume the other will just work?
3
votes
1answer
1k views

My lenses are missing

This is what my dash currently looks like. I have no clue why the other lenses are not being shown. $ sudo apt-get install unity-lens-friends unity-lens-files unity-lens-help unity-lens-movie ...
3
votes
3answers
1k views

How to remove “frequently used programs” from menu dash?

How can I remove "frequently used programs" from the menu?
3
votes
2answers
483 views

Application dash as default

When pressing the super button the dash opens. It will always open in the home format. On the bottom you can choose between different lenses, the second one being the application lens with filter ...
2
votes
1answer
113 views

Can I reorder an application search result?

I want to open "LibreOffice Calc" and type in "Cal" in the search bar. I can see Calculator and LibreOffice Calc. Now I could use cursor keys or mouse to select LibreOffice Calc. But this is not what ...
1
vote
1answer
5k views

Removing lens from Ubuntu 12.10

I would like to remove lens from Ubuntu's unity environment. You might argue that I can go back to Ubuntu-Gnome classic. But I would like to retain global menu feature of Ubuntu. Please help. Thanks ...
3
votes
0answers
2k views

Google-search lens for unity [closed]

Is there any google search lens available for unity? If yes how do I install it?
9
votes
2answers
3k views

After upgrading to 13.10, no applications are visible in the application lens

I upgraded from 13.04 to 13.10 and now all icons in the application lens are gone. This is what I tried so far: apt-get install --reinstall unity-lens-applications unity --replace and unity ...
14
votes
1answer
837 views

What are differences between a lens and scope?

Well it seems those two terms are the most popular ones since 11.04. What truly are the differences and similarities between them (lenses and scopes)?
6
votes
1answer
210 views

How can I search manpages in 13.10’s dash?

In 13.10, there is no dedicated help lens. In 13.04, it was the place for docs like yelp, manpages or texinfo. However, there is a manpage scope in the dash, and it is activated. But when I search ...
5
votes
1answer
827 views

Can I assign custom keyboard shortcuts to custom (non-default) unity lenses?

I installed the recoller lense ( http://www.webupd8.org/2012/03/recoll-lens-full-text-search-unity-lens.html ) and now finally have fulltext search in dash. File lense is opened with super+F, music ...
4
votes
1answer
4k views

Software Center will not open [closed]

The Software Center will not open from the launcher and I get a segmentation fault when I try to open it from the terminal. 2011-10-18 20:43:45,723 - softwarecenter.ui.gtk3.em - INFO - EM's: 17 15 ...
1
vote
0answers
433 views

“unity-lens-photos” and “unity-lens-applications” don't show search results. Ubuntu 13.10

New version Unity is so bugy for me. Sometimes HUD don't show me apps and I can't search in “unity-lens-photos”. There are no photos currlently available on this computer. I have meny images, photos ...
1
vote
0answers
63 views

How to disable the activity log for the application lens? [duplicate]

Possible Duplicate: How do I stop Unity from remembering search history? How to clear search history of application search? Every time when I select application lens or press Super+A it ...
0
votes
1answer
652 views

Ubuntu dash not searching for files

i've just installed Ubuntu 12.10 and i've found that in the dash i can't look for files that i haven't opened yet, eg: I have a huge collection of pdf files and when i look for them on the dash i can ...
12
votes
1answer
721 views

How to make Unity's Dash save the results filtering?

The dash can remember the settings for filtered results for the entire session, but not beyond that. Once the profile is logged out and back in the results would reset to their original settings; ...
10
votes
1answer
250 views

Making Unity Dash open with the last used Lens as the active Lens

Especially with no keyboard shortcuts for custom-installed Lenses, I thought it would be nice for the Dash to always open the last used Lens for me (instead of the default Home/Global Lens). Is it ...
7
votes
1answer
979 views

Keyboard shortcut for switching lenses

It used to be that I could switch to another lens by using the Tab button in 11.10 but it seems that the key has been mapped to focusing different sections of the same lens in 12.04. Is there a new ...
6
votes
3answers
352 views

Will there be a place for example a website or a PPA that holds all the lenses for Unity?

With the new feature lenses in the Natty Unity launcher will there be a website, ppa or something be created to easily get hold of them so users can browse and install the ones there want? At the ...
4
votes
1answer
380 views

How to change the order of scopes in a lens?

I recently installed 12.04, and have started to to fiddle around with lenses. I've installed two scopes for the music lens: Spotify and Grooveshark. It seems to me that the current scope display ...
3
votes
3answers
799 views

Drawer or other organisation for hundreds of scripts in Unity Launcher

I have a large number of .sh scripts for opening ssh connections to various remote machines. These .sh scripts are grouped by staging/test/production/etc In Gnome I had a series of entries in the ...
1
vote
2answers
744 views

Can't resize maximized lenses in Unity

I'm starting to enjoy every day a bit more and more Unity. But till now I'm looking for an answer to how resize the lenses in Unity. It takes the whole screen and I would like to be able to resize it. ...
0
votes
1answer
631 views

How to get the list of Dash search plugins (scopes) in command line?

I am going to disable all or some of Dash search plugins (scopes). I can do it in Dash GUI one by one (see http://askubuntu.com/a/355523/103599) but it seems to me unpractical as there are 56 plugins ...
0
votes
1answer
502 views

Music lens does not show my music

I have 10GBs of mp3, aac and flac files on my hard disk. Most of them were legally purchased online or ripped from CDs. Some of them aren't. The music lens does not show any of my music when I search. ...
0
votes
1answer
165 views

Music lens doesn't work

My brother did something and now the music lens doesn't work. Now there's no filter and no search results. Yesterday, everything worked. How do I reinstall this lens?
0
votes
1answer
2k views

How do you remove unity lenses?

I installed a unity lens on 11.10 that showed the firefox bookmarks. I don't want it anymore, but I can't figure out how to get rid of it. How can I get rid of it?