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

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28
votes
4answers
6k 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 ...
24
votes
3answers
10k 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 ...
14
votes
5answers
3k 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 ...
14
votes
2answers
11k 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 ...
14
votes
2answers
10k 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 ...
13
votes
2answers
315 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 ...
12
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 ...
12
votes
2answers
5k 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' ...
9
votes
2answers
267 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 ...
8
votes
2answers
433 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
857 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
534 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 ...
8
votes
1answer
151 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
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 ...
7
votes
1answer
211 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
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 ...
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 ...
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 ...
6
votes
1answer
2k 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 ...
5
votes
7answers
11k 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.
5
votes
1answer
229 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 ...
5
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 ...
5
votes
1answer
439 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 ...
5
votes
1answer
989 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, ...
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 ...
4
votes
3answers
2k 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, ...
4
votes
2answers
2k 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?
4
votes
2answers
3k 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 ...
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
4k 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
721 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
4answers
5k views

How to make videos show thumbnail in ubuntu 13.04?

I have ubuntu 13.04 and many of my videos do not show thumbnails whereas some do, they are all Mp4 formats including the ones that do show thumbnails. Is there a way to make all videos show ...
4
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 ...
4
votes
1answer
176 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
0answers
263 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
1answer
2k 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
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 ...
3
votes
1answer
305 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
891 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?
3
votes
2answers
47 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
3
votes
1answer
64 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 ...
3
votes
2answers
105 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 ...
3
votes
1answer
160 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
0answers
218 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 ...
2
votes
4answers
4k 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
185 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 ...
2
votes
3answers
341 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
200 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
2answers
123 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 ...