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

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24
votes
3answers
4k 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 ...
20
votes
2answers
6k 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 ...
12
votes
5answers
2k views

How do I make Shotwell regenerate all the thumbnails?

For some unknown reason all thumbnails are lost in my Shotwell, instead all icons are grey. The images themselves are all okay and I can open them all in Shotwell. There are only empty folders in ...
12
votes
2answers
6k views

Way to make video-thumbnails generate from VLC instead of Totem?

I'm suffering from problem that video-thumbnails do not appear in nautilus for some video files. I just found this bug typefinding: some mpeg files are not identified as mpeg files which seems to ...
11
votes
2answers
1k 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 ...
11
votes
2answers
6k 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 ...
8
votes
2answers
317 views

Nautilus - How to apply Zoom on the filenames? Not just on the thumbnails

I'm looking to edit the way for nautilus to handle the zoom. Since Ubuntu 13.04, when you use the zoom in nautilus it only changes the thumbnails/icons size, and the filename text stay the same. Is ...
8
votes
4answers
672 views

How can I see large thumbnails of the files I want to attach to an e-mail?

When I want to attach a file (an image) with Evolution, it's very hard to pick the good file because thumbnails are way to small. How can I make them bigger?
8
votes
2answers
3k 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' ...
8
votes
1answer
135 views

What Does Totem's Thumbnailer Do with MP3s?

I copied a ton of MP3s onto a USB stick tonight and noticed: I couldn't umount because totem-video-thumbnailer was busy processing the MP3s and Each file was taking forever to process and No network ...
7
votes
1answer
159 views

How does thumbnail preview in Ubuntu differ from that of Windows?

I thought this question might get a better response in AskUbuntu, as it seems to have more to do with Ubuntu than Windows at a glance. Let's say I have a foo.mkv file. Thumbnail previews work in ...
6
votes
4answers
1k 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 ...
6
votes
2answers
151 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 ...
5
votes
1answer
1k 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
343 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 ...
4
votes
7answers
6k 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
4answers
5k 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 ...
4
votes
1answer
1k views

Thumbnails (Nautilus previews) for “basic” (xpm, png, bmp, gif) image files

Nautilus was not generating thumbnails for some xpm files I had, so I tried to investigate who was responsible for generating thumbnails for xpm files (if any), or any image for that matter. And I ...
4
votes
2answers
2k views

All video thumbnails fail to be generated

Not a single video thumbnail is being generated and shown in Nautilus. The folder ~/.cache/thumbnails/fail/gnome-thumbnail-factory/ keeps getting filled for all of them. I tried removing all the ...
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?
4
votes
2answers
657 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 ...
4
votes
2answers
1k 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 ...
4
votes
1answer
157 views

How to make mht files being seen as thumbnails in nautilus?

How to make mht files being see as thumbnails in nautilus? Nautilus can see html files thumbnails, that give a hope there is a way to do its with mht.
4
votes
1answer
845 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
0answers
257 views

Some thumbnail previews not displaying [duplicate]

Possible Duplicate: Can’t generate video thumbnails in Nautilus [Ubuntu 12.04] I'm running 12.04 and have noticed that the only thing that displays a thumbnail preview are image files and ...
3
votes
3answers
877 views

How to get bigger photos' thumbnails in Nautilus?

Today I wanted to go through my photos collection but I have realised that it is quite difficult to go through thumbnails in Nautilus as it is using the free space in the window very inefficiently, ...
3
votes
1answer
1k views

How can I enable thumbnails on Xubuntu desktop?

I can't see any thumbnails on my desktop. If I use Thurnar directly and browse to the desktop, thumbnails of PDf, JPG and ODT are displayed, but on my desktop its just plain. How can I fix that? I'm ...
3
votes
1answer
3k views

How do I enlarge “Icon & Thumbnail” size in nautilus 3.x?

I used to be able to set my icon/thumbnail size to 128 px using gconf-editor in previous versions of Ubuntu. Is there a tweak to enable larger icons/thumbnails in nautilus 3.x?
3
votes
1answer
709 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 ...
3
votes
1answer
167 views

Thumbnails of images larger then 10MB are not displayed

Modern day photography creates larger file sizes however I'm experiencing an issue where thumbnails of images larger then 10MB are not being displayed. Is there something I can do to fix this?
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 ...
2
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 ...
2
votes
3answers
309 views

Prevent Nautilus from generating thumbnails for video files larger than 5 MB?

If I set in Nautilus preferences that it should generate thumbnail previews only for files larger than 10 MB, then this only works for pictures. Nautilus still keeps generating thumbnails for videos ...
2
votes
2answers
159 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 ...
2
votes
4answers
2k views

Gnome 3 not displaying thumbnails?

I'm running 12.04 LTS and I can't seem to see any thumbnails for pictures, videos, anything. I have checked my preferences "Show Thumbnails, Always, files under 10MB, Local Only" which makes sense but ...
2
votes
1answer
811 views

LXDE: PCManFM Thumbnails of images > 2MB are not shown

Im using LXDE, with PCManFM but images bigger than 2MB are just shown with image-symbol and not with the thumbnail. How Can I change that behavior?
2
votes
1answer
801 views

Thumbnails for certain formats not appearing in Nautilus

The following formats do not have an icon in Nautilus: .odt .odb And, some of my older documents are missing their thumbnails, all of which are either .odt or .odp. I just purged and reinstalled ...
2
votes
1answer
519 views

How to view apk icons in Nautilus?

I want to view .apk (android apps) on Nautilus. There's already a solution for Windows e.g. apkshellext but it's not supported for Linux or Ubuntu. So, how can I view apk icon in thumbnail on Ubuntu?
2
votes
1answer
437 views

How can I pre-cache image thumbnails? [duplicate]

I have several frequently-updated folders that contain thousands of high resolution JPGs. The first time I browse into any of them, it takes a long time for Nautilus to generate all the thumbnails. ...
2
votes
1answer
562 views

PDF thumbnails don't work [closed]

For a reason I don't know my ubuntu doesn't show thumbnails for pdf. in gconf-editor ->-> /desktop/gnome/thumbnailers: application@pdf/command = "evince-thumbnailer -s %s %u %o" ...
2
votes
2answers
213 views

What is the purpose of the 00000000000000000000000000000000.png folder in ~/.thumbnails?

I see ~/.thumbnails/large/00000000000000000000000000000000.png/ and ~/.thumbnails/normal/00000000000000000000000000000000.png/ in Lubuntu 13.04. Both folders have been empty whenever I looked. So what ...
2
votes
1answer
728 views

Some videos have no thumbnail?

I just downloaded a video series and opened the videos folder to find that some of the videos have thumbnails and some do not. How can I force the others to generate thumbnails? I have tried playing ...
2
votes
3answers
1k views

Any way to remove Totem but still have video thumbnails in Nautilus?

I prefer to use VLC because it never gives me problems while Totem does. I'd like to uninstall Totem, so all file associations point to VLC. However I still want to have video thumbnails in Nautilus.
2
votes
1answer
88 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
78 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. ...
2
votes
0answers
177 views

Thunar not displaying thumbnails for text files

I have gone through all other posts on thunar thumbnailing issue but this one doesn't seem to match any of those; nor on the web anyone seems to have this problem, so I couldn't find solution on ...
1
vote
2answers
424 views

How do I enable thumbnails for text files in nautilus?

I used to have thumbnails for text files in Nautilus but I don't have them anymore. I'm on Ubuntu 12.10, I haven't disabled them as per How to stop Nautilus from creating thumbnails of specific file ...
1
vote
1answer
430 views

ooo-thumbnailer doesn't work

I have Ubuntu 11.10 installed on 3 different PCs and ooo-thumbnailer doesn't work on any of them. I don't know how to get it work -- I've tried to uninstall and reinstall, I've tried to update it to ...
1
vote
1answer
120 views

Creating thumbnails with the same name as the pictures

Please, here is my little code for creating thumbnails of pictures saved in a folder named 'pictures', and saving them in another folder named 'thumbs'. #!/bin/bash for i in *.jpg do convert ...
1
vote
1answer
1k views

Thunar not showing thumbnails in Openbox

I am using openbox 3.5 and my file manager of choice is Thunar but the problem I am facing is thunar not showing thumbnails for folder,video files etc. My Thunar: You can see in the above image ...