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

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5
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4answers
6k views

Can't generate thumbnails in Nautilus

Before I upgraded to Ubuntu 12.04, thumbnails on video files worked nicely, after the upgrade, thumbnails aren't generating on video files and only on video files, most of them are .mkv files. I have ...
27
votes
4answers
5k views

How can I instruct Nautilus to pre-generate thumbnails?

I have a large library of PDF documents (papers, lectures, handouts) that I want to be able to quickly navigate through. For that I need thumbnails. At the same time however, I see that the ...
11
votes
2answers
4k views

How to stop Nautilus from creating thumbnails of specific file types?

I'm trying to stop Nautilus from creating thumbnails of PDF files. In another thread on 'Ubuntu forums' someone said to open gconf-editor and disable the PDF entry in the '/desktop/gnome/thumbnailers' ...
6
votes
2answers
2k views

What additional thumbnailers are available and how do I install them?

Question: Ubuntu's file manager, Nautilus, comes with a wide support for file previews. These thumbnails are handled by helper programs called thumbnailers. The number of thumbnailers that come ...
5
votes
1answer
387 views

Is it possible to preview arbitrary formats in Nautilus?

I recently found out that Nautilus (Ubuntu 12.04 at least) can show thumbnails of files of non-image formats, for example (data grapher) grace files (.agr) shows a small version of the graph contained ...
12
votes
2answers
8k views

How do I reset the thumbnail cache?

I have a lot of images on my laptop as I work in graphics. On the same system, I also have a folder containing my family pictures. I would like to do two things: Empty the already cached images ...
11
votes
2answers
2k views

How large can Nautilus's thumbnail cache grow?

Nautilus's thumbnail cache in ~/.thumbnails has grown to several hundred megabytes. Do I need to be concerned about unrestricted growth of this in the long term, or is its size automatically managed ...
6
votes
4answers
2k views

Missing Thumbnails for .swf files in Nautilus?

Before I upgraded to Maverick, .swf files used to have a thumbnail in Nautilus. However, Nautilus doesn't generate thumbnails for them anymore, even after removing ~/.thumbnails/, which most likely ...
2
votes
2answers
180 views

How to add space to Exec path in a Thumbnailer descrption?

I wish to use mplayer to generate thumbnails for nautilus, so I wrote a perl script as the thumbnailer named "gnome_thumbnailer_with_mplayer", and wrote a description in /usr/share/thumbnailers to ...
21
votes
3answers
8k views

What is safe to exclude for a full system backup?

I'm looking for a list which paths/files are safe to exclude for a full system/home backup. Considering that I have a list of installed packages. /home/*/.thumbnails /home/*/.cache ...
4
votes
2answers
3k views

Show me only picture thumbnails

Is it possible in nautilus that it shows thumbnails only for pictures and for all others like videos, pdfs, etc thumbnails are disabled?
1
vote
1answer
666 views

How to enable thumbnails for flac files in Nautilus?

Somehow I managed it to get thumbnails for flac audio files, which have covers included in their tags, to show up in Ubuntu version 11.10. But since I reinstalled for Ubuntu 12.04, they don't show up ...
5
votes
1answer
903 views

command line thumbnailing

I have a whole folder of photos I want to look at as thumbnails, and I'd like to do it by calling one of GNOME's native thumbnailers individually, namely totem-video-thumbnailer or evince-thumbnailer, ...
4
votes
7answers
8k views

Why I can't see the thumbnails in Nautilus?

Problem Loading Thumb Previews: This started to happen after upgraded Ubuntu from 12.04 to 12.10.
4
votes
2answers
684 views

What rendering engine does Nautilus use to show HTML previews/thumbnails?

I just noticed that HTML files with CSS transforms on elements show with the CSS transforms within the thumbnails on Nautilus. So what rendering engine does Nautilus use to generate the thumbnails for ...
3
votes
2answers
2k views

Thunar Disable video Thumbnails only

Is there a way in Thunar (within XFCE) to disable displaying of Video thumbnails only and still allow Picture thumbnails? I found this thread: Show me only picture thumbnails But that is for ...
3
votes
1answer
1k views

Why is Nautilus listing so slow when showing thumbnails?

I have a folder with thousands of photo on it. Every time I enter the folder (even in the same Gnome session) Nautilus start showing the icons (thumbnails) for that folder but the listing is very ...
1
vote
1answer
417 views

Where can I find a tool to create a gif/jpg/other index of icons available in a Visio Stencil (.vss)

I have a collection of visio stencils, and I need a tool that can create a gif/jpeg,etc index of the stencils within it. If not available, is there a tool that can create a thumbnail of each object ...
4
votes
1answer
253 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 ...