Thumbnails are reduced-size versions of pictures/videos/PDF's, Used to help in recognizing and organizing them.

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9 views

Certain .mkv files won't generate thumbnails.

In Xubuntu, randomly, thumbnails for certain mkv files refuse to generate. Trying to delete one showed it was unable as it was being used by the thumbnailing service. Also, no thumbnails are generated ...
3
votes
1answer
61 views

Nemo / Nautilus folder icon size

Does anybody know how to reduce this white space - distance on nemo or nautilus between the folders? It's getting ridiculous! I've enlarged the thumbnails from dconf-editor and I also use compact ...
2
votes
1answer
176 views

Clearing thumbnail cache from terminal on Ubuntu 14.04

I am looking to free some space by clearing out the thumbnail cache from terminal. Inside the ~/.cache/thumbnails folder, I see 3 folders: fail large normal Is it safe to clear out all three ...
0
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0answers
24 views

Shotwell, ignore thumbnails from other programs for import

I stored my pictures on a synology NAS and using the Photo station. The Photo station creates a couple of thumbnails for every picture and stores them in a subfolder named @eaDir. When importing ...
2
votes
2answers
63 views

Disable Text File Preview in Nautilus in Ubuntu 14.04

In Ubuntu 14.04 I find that text files are displayed with a preview in the icons. I do not want to disable preview for all file types because I need thumbnails for images, media and various other ...
1
vote
1answer
158 views

Nautilus not generating thumbnails for GIF images in Ubuntu 15.04

No matter what I try (changing the preview options, deleting the thumbnail cache, etc.), Nautilus in Ubuntu 15.04 does not generate thumbnails for GIF image files. However, it generates a thumbnail ...
2
votes
0answers
63 views

Enable text file thumbnails in nautilus

In Ubuntu 15.04 (new installation, no upgrade) I cannot find an option to enable thumbnails for text files. In previous Ubuntu versions the first lines of a text file can be seen. Now in Ubuntu 15.04 ...
1
vote
1answer
71 views

Make nautilus to adjust icons size

In the following picture, I want nautilus to scale up mp3 icon so that it seems as same size as two other thumbnails. What I've done but seemed with no luck: Manipulating ...
0
votes
0answers
22 views

Video is auto rotated in Nautilus (Gnome) as a thumbnail and playback

I have searched everywhere for settings/plugins/program etc. to change this behaviour. If a video is filmed in portrait (or believes it is) it is rotated to this perspective both as a thumbnail and ...
13
votes
2answers
308 views

Disable thumbnail creation for specific folders only, but all users

How do I prevent my Ubuntu 14.10 (now 15.04) from creating and saving thumbnails for a specific folder only? I want to tell the thumbnailer to skip over that single folder (and subfolders), but for ...
5
votes
1answer
221 views

Different nautilus thumbnails rendering for text files

I have Ubuntu 14.04 Gnome edition on both my laptop and the desktop; both are up-to-date but they have a different past-history of installations and upgrades. Now, text-type thumbnails are different ...
2
votes
2answers
119 views

How to generate thumbnails in advance (pdf mostly) [duplicate]

I have a rather large set of documents (150 GiB ~5000 files) and would like to know how to pre-generate thumbnails, preferably from the command line, so that when I navigate to the folder, I don't ...
3
votes
2answers
46 views

Is there any way to create thumbnails in the Trash folder?

By default these do not seem to be generated. I don't know if I can force the system to do it as they would be very handy to identify a wrongly deleted picture. I'm using Ubuntu 14.04.1 LTS
0
votes
2answers
77 views

Thumbnail Creation Cause 100%CPU

Opening folder with .jpg images or .mp4 or .mkv etc. causes 100% cpu utilization. Ubuntu 14.04, Lenovo T540P. I do not want thumbnails written constantly on my SSD. Using dconf editor I selected ...
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0answers
39 views

Custom thumnailers not working in trusty

For some reason, dconf editor is no longer able to customise thumnailers as explained here. I want to exclude pdfs and plain text thumbnails. I add ['application/pdf','text/plain'] to org > gnome ...
9
votes
2answers
262 views

Generate thumbnails for text?

I need to generate thumbnails for some text files. Obviously the system somehow has the ability to do exactly this (see the screen shot). Is there any way I can access these images and just copy them ...
1
vote
0answers
23 views

How to change preview image for file from command line? [duplicate]

If I open the properties window for some random file. If I click on the file icon in that window I can select a new preview image (thumbnail) for the file. This preview will be displayed in the file ...
0
votes
1answer
87 views

how to stop saving thumbnails in ~/.thumbnails

file manager keeps thumbnails in ~/.thumbnails even after the original photo is deleted. it's really annoying and i feel like it's insecure if some one can watch a photo that I've deleted. i want this ...
0
votes
0answers
34 views

Incorrect orientation of thumbnails in Nautilus (“Files”) using 14.04 [duplicate]

In Files 3.10.1 (formerly Nautilus) I display thumbnails when viewing a folder of images. If the orientation of some images is wrong (i.e. landscape format displaying as portrait, or vice versa) I ...
0
votes
1answer
60 views

Nautilus keeps re-creating thumbnails

I'm have a thumbnail problem on my Ubuntu 12.04 machine where my thumbnails won't stay deleted. I've gone through the following steps in an unsuccessful effort to permanently delete old thumbnails: ...
0
votes
1answer
68 views

Is There A Way To Disable thumbnails on Ubuntu 12.04?

Is there a way to disable thumbnails from being made (captured) on Ubuntu 12.04? I'm referring in: ~/home/xxxx/.thumbnails Thanks in advance.
1
vote
1answer
206 views

Can I safely remove tumbler in Xubuntu 14.04?

I have a similar problem to the one under this question: What is tumblerd? That program is one of the most CPU hungry I ever seen in Xubuntu/Xfce. I do not really need thumbnails preview and I might ...
1
vote
2answers
58 views

Permissions for thumbnailer on device

I'm developing an application for U-Touch that gets a thumbnail from a video in C++ code using libthumbnailer system library. The app does the thumbnailing perfectly in my computer, but when i try to ...
1
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0answers
262 views

How to manually generate video thumbnails?

I'm using Ubuntu 14.04 and I want to ask how to generate video thumbnaiils manually? In some videos, the generated thumbnail is the logo of the company (in the very beggining of the video), and not ...
5
votes
1answer
1k views

How to disable thumbnail generation?

For privacy and security reasons I want to disable the generation of any thumbnails in the ~/.cache/thumbnails folder (using Ubuntu 14.04 LTS). I already tried this (without success): In the ...
0
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0answers
21 views

How often is the thumbnail cache cleared? [duplicate]

I'm not sure which application is the culprit (Nautilus, with the help of another library, I would assume), but if you take a look at ~/.cache/thumbnails you will notice that Ubuntu stores the ...
3
votes
1answer
159 views

How can I exclude specific folders from thumbnail generation?

So I have a folder I would like Nautilus to skip generating thumbnails for because there are too many files and too many changes to it. I saw that we can disable thumbnails for a specific filetype ...
1
vote
2answers
2k views

Nautilus thumbnails don't appear in 14.04

This is a fresh install of Ubuntu 14.04. In Nautilus > Edit > Preferences > Preview I have "Show thumbnails" as "Local files only" and "Only for files smaller than" 100MB. Changing those settings ...
3
votes
2answers
104 views

An independently browseable database of large thumbnails?

I've googled about this for a while but to no avail. I have a huge amount of photos stored in several media and backed up in a cloud. Shotwell generates pretty large thumbnails which are quite good ...
1
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0answers
274 views

Disable text file previews/thumbnails in nautilus

Nautilus in 14.04 generates "thumbnails" of all text files in that it shows them all as the same, blank text icon. If I turn off thumbnails altogether, then it displays correct icons, but I need ...
2
votes
0answers
16 views

How to disable thumbnail preview for text file [duplicate]

I am using Ubuntu 14.04 but I miss one great feature of enabling and disabling preview for text file, so is their any way to do so?
1
vote
1answer
1k views

How do I enable thumbnails for 'webm' files?

I have thumbnails for every other file type just not .webm. Is there any way to enable them and if so, how would I do that?
0
votes
1answer
159 views

Disable thumbnails on Xubuntu

I am trying to obtain the highest performance from my Xubuntu system, disabling anything that I don't need. How can I disable thumbnails on Xubuntu?
8
votes
2answers
531 views

How to regenerate a specific thumbnail in Nautilus?

Sometimes I crop PDFs in order to have a one-page reading instead of a scanned two pages. However, nautilus keeps an old thumbnail showing the former front page. I know that I can delete the hidden ...
1
vote
0answers
168 views

Why did my Nautilus stop displaying thumbnails for text files?

I've chosen to have plain-text files displayed with thumbnails in Nautilus. However, this has suddenly stopped functioning the other day (after upgrading to Ubuntu 14.04 I guess). But there's no such ...
1
vote
2answers
218 views

Thumbnail Previewer not working for Large Images

I have over 500 images downloaded from Shutterstock so they are very large images, some over 10MB. Ubuntu will not show the thumbnail for anything above that file size. Is this a compiz settings issue ...
0
votes
1answer
147 views

MPEG2 Transport Stream (MTS) Thumbnails

I have one of these Sony handycams that produce MTS video files. Openshot can now edit them and MPlayer2 can play them, which is fantastic. But I have trouble knowing which is which in the file ...
0
votes
2answers
740 views

Photo viewer / File Manager thumbnails / photos

I started working @ a recovery data company and sometimes I have to manualy go through all the photo's and delete the ones that are not 100% correct. Something the thumbnail shows no problem with ...
0
votes
1answer
186 views

Failed to create thumbnail error fills gnome-session.log.1 to 50 GB!

Yesterday I got a message that my /home partition was full so I moved a 10 gb folder to a external hdd. now I got the message again so I did the Disc Usage Analyzer, and I found a 50 GB file in ...
0
votes
1answer
260 views

file-manager and ffmpegthumbnailer

I have PCManFM installed on xubuntu along with ffmpegthumbnailer. Everything works fine except for some configurations like video border, some file formats like flv and so on. How could I change those ...
2
votes
0answers
78 views

Is there any way to store file thumbnails in each partition? (XFCE)

Is it possible to persuade Xubuntu to store file thumbnails for an external hard drive into the drive itself instead of the home folder? Benefits include avoiding the ~/.thumbnails folder to get too ...
0
votes
1answer
1k views

dolphin thumbnail didn't show

I've changed my unity default file manager to dolphin like this sudo mv /usr/bin/nautilus /usr/bin/nautilus.asli && sudo ln -s /usr/bin/dolphin /usr/bin/nautilus but, video thumbnails ...
1
vote
0answers
27 views

A: How to disable generation of thubmnail just for video / movie? [duplicate]

How to disable generation of thumbnails for video files in file browser? Solved accordingly to this answer. Install dconf-tools package and run dconf-editor. "In the tree on the left, navigate ...
6
votes
2answers
3k views

Why doesn't Nemo preview thumbnails?

I have a problem with thumbnails on my Ubuntu 12.04 LTS 32-bit system with Cinnamon 2.0.14 DE and Nemo 2.08. I have tried removing the ~/.thumbnails directory but it is not working for me. This is ...
2
votes
0answers
151 views

No automatic thumbnail generation

I recently decided to do a fresh install of 13.10 and ran into a quite peculiar problem. It seems that thumbnails are not generated automatically, when I open a folder in nautilus I can only see a ...
2
votes
1answer
235 views

HTML files thumbnail preview

Sometime back, I was using 12.04 and it was displaying thumbnail previews of HTML pages just like it does for images and videos. I upgraded to 13.04 and somehow lost that feature. Now my HTML pages ...
2
votes
1answer
108 views

preview thumbnail for .agr (Grace)files 12.04

In Ubuntu 12.04 Nautilus is not showing preview thumbnails for .agr files produced by Grace unlike Ubuntu 10.04. How can I have preview thumbnails for .agr files on Ubuntu 12.04. sample file. ...
3
votes
1answer
2k views

Ffmpeg output screenshot gallery

Does any one knows if ffmpeg can create video thumbnails something like I know totem can do this but totem does not support the video format that I am using THank you in advanced You can see this ...
1
vote
1answer
919 views

Ubuntu 12.04.3 64 bit with Nemo 2.0.x no thumbnails

I have strange problem with thumbnails in my Ubuntu machine. I was using Ubuntu with Cinnamon 1.8 from stable ppa and it was good but then Cinnamon 2.0 came out with some broken packages uploaded to ...
4
votes
4answers
4k views

Nautilus not generating thumbnails in 13.10

Like the title says, Nautilus is not generating thumbnails for any file types (pictures, documents, pdf, etc) after a clean install of 13.10. I have checked the preferences and it is set to always ...