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

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11 views

mkv picture attachment and thumbnails

Question How do I get nautilus to use the attached picture to my MKV file when available? I have ffmpeg and ffmpegthumbnailer installed so I get thumbnails for my videos but those aren't as fancy as ...
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40 views

how to have thumbnail for image/video in dash and nautilus?

I'm running ubuntu 15.10. For some videos on my external drive, I have thumbnails in Nautilus. I have try to empty cache and change settings in nautilus Edit/preference/preview, but I still don't ...
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41 views

Nautilus thumbnails gone after uninstalling Totem (Ubuntu 14.04)

I've installed VLC and uninstalled Totem. Now Nautilus doesn't show any thumbnail for videos. How can I get them back? (My problem is exactly the same as in nautilus-video-thumbnails-without-totem, ...
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1answer
37 views

Retrieve thumbnail for a given file

Is there a command to get the (possibly cached) thumbnail for a given file? As in, the same way the file manager does it? Answers can be for gnome, lxde, kde, it doesn't matter. Props for a command ...
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0answers
320 views

How to install dolphin on Ubuntu 15.10 wily with Unity

I am using dolphin as my preferred file manager under unity. After upgrading to Ubuntu 15.10, dolphin shows a couple of problems: some program icons are missing. For example icons in the icon bar ...
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2answers
1k views

Missing movie thumbnail in Dolphin Kubuntu 15.10

Since the new 15.10 release, the movie thumbnail is gone from dolphin. It was working before, I did an upgrade from 15.04 and suddely this option disappeard. Any idea how can I get it back ? Thank ...
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72 views

Ubuntu 15.10 does not provide thumbnails for tex files

I recently upgraded from Ubuntu 14.04 LTS to 15.10 and among several little drawbacks, I noticed that there are no thumbnails of tex files (and other text files by the way) either on Nautilus or Nemo. ...
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80 views

Caja only shows images and icons preview when root

I'm looking for the solution to this error for some time . I did not find anywhere. Caja could only see the icons of the images and videos when at root. How can I enable this functionality in normal ...
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18 views

Creating a Nautilus thumbnailer script for YUV422 images

My question is very similar to this. I have an image in png format: I can convert the image back and forth to YUV422 like this: avconv -i car.png -s 657x424 -pix_fmt yuv422p car.yuv avconv ...
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0answers
72 views

How can I see the thumbnails for webms?

I'm using Lubuntu and I can't see the thumbnails for webms and some images. How do I fix that?
2
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0answers
58 views

Thumbnail creation in Nautilus fails

I've tried to create a thumbnailer for Nautilus for PSD files with this configuration in /usr/share/thumbnailers/psd.thumbnailer And the following content: [Thumbnailer Entry] TryExec=convert ...
3
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1answer
145 views

How to make Nautilus display .psd thumnails?

is it possible to make Nautilus display Photoshop .psd files thumbnails when viewing files in the list? If yes, what are exact steps to make it happen. Had been searching this in google, no luck so ...
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0answers
114 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 ...
4
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1answer
257 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
664 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 ...
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54 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
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2answers
128 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 ...
3
votes
1answer
600 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 ...
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0answers
128 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 ...
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1answer
157 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 ...
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0answers
45 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
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2answers
434 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 ...
6
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1answer
425 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 ...
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2answers
353 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
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2answers
56 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
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2answers
114 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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42 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
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2answers
373 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 ...
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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
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1answer
133 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 ...
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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
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1answer
89 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: ...
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1answer
88 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.
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1answer
344 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 ...
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2answers
67 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 ...
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0answers
331 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
2k 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 ...
3
votes
1answer
217 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 ...
3
votes
2answers
5k 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
130 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
351 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
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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
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1answer
2k 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
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1answer
235 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
3answers
833 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
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0answers
221 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
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2answers
331 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
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1answer
193 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
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2answers
927 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
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1answer
266 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 ...