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

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1answer
7 views

Can't generate thumbnails from some mkv files

I've been using Ubuntu for a time but still not that professional one. My problem -that I've been stuck with last two days- is I downloaded an MKV video with HEVC stream which is unknown to VLC, but ...
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0answers
17 views

Lubuntu - How to disable thumbnails for videos and PDFs

How can I disable thumbnails for video files and PDFs in Lubuntu 16.04?
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1answer
57 views

dolphine “show previews for” blank

I Fresh installed ubuntu 16.04 and installed dolphin (15.12.3) + FFMpegThumbs so that I can see thumbnails of videos but when I went to the previews the box was just blank
2
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1answer
66 views

How to enable thumbnail preview for text files in Nautilus

I have many small text files, and want Nautilus to show previews in the icon thumbnail. Left is my current situation, right is what I want. How to achieve that on Ubuntu 15.10? My current ...
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0answers
29 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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0answers
77 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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0answers
74 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, ...
0
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1answer
46 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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1answer
437 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 ...
4
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2answers
2k 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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0answers
94 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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1answer
146 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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0answers
20 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
90 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?
3
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0answers
73 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
votes
1answer
229 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
142 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
votes
1answer
340 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
1k 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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0answers
66 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
156 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 ...
5
votes
1answer
794 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
133 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
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1answer
173 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 ...
13
votes
2answers
491 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 ...
7
votes
1answer
495 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
393 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
61 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
135 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
43 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
437 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
votes
1answer
150 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
96 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
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1answer
91 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
405 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
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2answers
71 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
345 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
3k 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
237 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
7k 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
138 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
vote
0answers
372 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
18 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
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
264 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
975 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 ...
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0answers
238 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
394 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 ...