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

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11 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 ...
1
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0answers
66 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 ...
4
votes
1answer
45 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 ...
5
votes
1answer
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 ...
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4answers
3k 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 ...
11
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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 ...
0
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0answers
19 views

How often is the thumbnail cache cleared?

I'm not sure which application is the culprit (Nautilus, with the help of another library, I would assume), but if you take a look at ~/.cache/thumbnails you will notice that Ubuntu stores the ...
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0answers
15 views

thumbnail for folder contains video \ pictures [duplicate]

I have a folder with videos. is there any option to add thumbnail to folder with videos?
5
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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 ...
2
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1answer
42 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 ...
26
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4answers
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 ...
1
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0answers
87 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 ...
21
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3answers
7k 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 ...
2
votes
2answers
62 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 ...
12
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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 ...
0
votes
0answers
42 views

Thumbnails while searching folders on Xubuntu?

How can I see the thumbnails of my picture while browsing folders? When I triy to upload a picture I can only see their names. I'm using Xubuntu 14.04 right now.
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0answers
107 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 ...
0
votes
1answer
90 views

link between photo and thumb in shotwell (v 12, db schema 15, ubuntu 12.04)

How do I find the corresponding thumb to a photo in shotwell, schema version 15? The thumb files seem to have hex numbering that doesn't seem to correspond to anything in the photo table as far as I ...
5
votes
1answer
358 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 ...
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0answers
11 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
399 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
votes
1answer
62 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?
4
votes
7answers
7k 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.
6
votes
2answers
191 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 ...
0
votes
2answers
69 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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0answers
23 views

How save thumbnail listing of images and videos?

How save thumbnail listing of images and videos? For example, the default file/dir navigator (Nautilus, I think) shows a tiled thumbnail view. Just can't find a way to save the entire thumbnail set ...
0
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0answers
41 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 ...
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4answers
2k 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 ...
9
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' ...
0
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2answers
216 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
votes
1answer
79 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 ...
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0answers
89 views

How do I get thumbnails when viewing — and particularly uploading - photo files

Coming from the Windows world, I am used to being about to change the "View" when viewing files, to show Thumbnails of pictures for instance or to just show file names and details like size and ...
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0answers
97 views

What are good alternatives to tumbler?

It has been a month since I switched to Xubuntu and tumbler always makes my life harder: killing tumblerd just for ejecting external storages, and making my computer slow enough to become unusable. ...
0
votes
1answer
116 views

file-manager and ffmpegthumbnailer

I have PCManFM installed on xubuntu along with ffmpegthumbnailer. Everything works fine except for some configurations like video border, some file formats like flv and so on. How could I change those ...
0
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1answer
264 views

dolphin thumbnail didn't show

I've changed my unity default file manager to dolphin like this sudo mv /usr/bin/nautilus /usr/bin/nautilus.asli && sudo ln -s /usr/bin/dolphin /usr/bin/nautilus but, video thumbnails ...
0
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0answers
27 views

Thumbnails in dial

How can I stop the new thumbnails being generated to the "Speed dial",(sorry don't know the Lubuntu name for it), and how can I change the background/wallpaper in that dial please?... simple way for a ...
1
vote
3answers
191 views

How to recover lost Thumbnail and preview options? [Solved]

I am using Ubuntu 12.04 LTS on Lenovo T500 with Gnome desktop. I have to upload photos daily for work and 2 weeks ago lost thumbnails and the ability to select preview. I assume an update did ...
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1answer
193 views

How can I stop Nautilus from caching thumbnails?

In Nautilus, I want to see thumbnails on the fly, but I don't want them to be cached. Any way to do this?
2
votes
1answer
126 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 ...
1
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0answers
51 views

Is there any way to store file thumbnails in each partition? (XFCE)

Is it possible to persuade Xubuntu to store file thumbnails for an external hard drive into the drive itself instead of the home folder? Benefits include avoiding the ~/.thumbnails folder to get too ...
5
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
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?
3
votes
1answer
179 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?
1
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0answers
21 views

A: How to disable generation of thubmnail just for video / movie? [duplicate]

How to disable generation of thumbnails for video files in file browser? Solved accordingly to this answer. Install dconf-tools package and run dconf-editor. "In the tree on the left, navigate ...
1
vote
1answer
775 views

Ubuntu 12.04.3 64 bit with Nemo 2.0.x no thumbnails

I have strange problem with thumbnails in my Ubuntu machine. I was using Ubuntu with Cinnamon 1.8 from stable ppa and it was good but then Cinnamon 2.0 came out with some broken packages uploaded to ...
3
votes
1answer
826 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 ...
1
vote
0answers
123 views

No automatic thumbnail generation

I recently decided to do a fresh install of 13.10 and ran into a quite peculiar problem. It seems that thumbnails are not generated automatically, when I open a folder in nautilus I can only see a ...
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 ...
4
votes
3answers
992 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, ...
2
votes
1answer
82 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. ...