MIME type is a standard way that computers use to refer to the file-type/format

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Kubuntu 12.04 Firefox and Rekong don't know how to open downloaded files

I just installed Kubuntu 12.04 beta 1. Both Rekong and Firefox don't know how to "Open Containing Folder" for downloaded items. They also don't know how open the item itself. (I'll give the specific ...
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1answer
192 views

How do I set a custom thumbnailer for audio/x-vorbis+org?

Google shows this error referenced on some Thunderbird bug, but it's not clear to me how they resolve it. Here is my issue: I have vorbis file: xdg-mime query filetype "my-file1.ogg" → output: ...
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1answer
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Where is the file used by file(1) and libmagic to determine mime types?

According to man 5 magic: "The file /usr/share/misc/magic specifies what patterns are to be tested for, what message or MIME type to print if a particular pattern is found, and additional information ...
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2answers
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How do I determine the Mime type of a file?

I recently switched to gnome3 and was surprised to find that there was no way by which we could set the default applications. I am writing a nautilus extension using bash. I want to find the mime ...
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3answers
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Changing default applications doesn't work in system settings or on file types

Despite several attempts at a solution, I still can't change the default applications in Ubuntu 11.10. If I change them in system settings they revert back as soon as I close the dialogue. Next time I ...
4
votes
1answer
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File association to unlisted application

While browsing files in nautilus, I want to open a tex file with kile. But, when I get to a dialog similar to the screenshot below, I do not see kile. Yet, I see it in the "Open With" menu. How do I ...
11
votes
6answers
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Where is “open with…” in Nautilus?

In Ubuntu 11.04 I usually edit my *.fig files by clicking on the icons. The application (script) which opened the file was texfig. This script was chosen by "open with..." in nautilus. But now there ...
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3answers
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Why can't I make a file association in Nautilus?

After upgrading to 11.10, the association I had created to open SGF files with an application called quarry is lost. If I select Right-button->Properties->Open With... on an SGF file, quarry is not ...
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1answer
888 views

Change mime-type in ubuntu [closed]

I am having strange problem, i think it is mime-type problem. I can not open file from firefox's download window. It shows an error. It happens every time when i try to open file from firefox, from ...
3
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1answer
839 views

How to change mimetype image for PSD file (Photoshop)?

Following this link https://help.ubuntu.com/community/AddingMimeTypes, I first typed a command to discover the mimetype for psd extension ~$ grep 'psd' /etc/mime.types image/x-photoshop psd ...
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3answers
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How do I change the icon for a particular file type?

I'm trying to change the icon for application/x-hwp files. I've added the icons to the proper places, and checked it with assoGiate (after reading this thread). It shows that my desired icon is ...
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2answers
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How to associate all file types within Wine with its corresponding native application?

This is easily done for a single file type, as answered in How to associate a file type within Wine with a native application?, by creating a .reg for the desired filetype. But this is for AVI only. I ...
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votes
3answers
843 views

Web browser downloads only open target folders - cannot open files

After installing xubuntu packages in order to check xfce, I reverted back to gnome2. During the first login, I noticed that thunar was now selected as the default file manager. Preferred applications ...
4
votes
1answer
585 views

How to add a MIME type with a project created in Quickly?

I've built an application I want to release however I would like the files to open with the application. I have modified the .desktop file accordingly, however quickly seems to have no option for ...
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votes
5answers
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How to play a webm video file?

I have tried vlc, Banshee and Totem but none of them recognize the webm format. Even the system does not recognize its mime-type. How do I play it ?
2
votes
1answer
284 views

gnome-open confused: Could not display “/home/msw/anything”

My trusted friend gnome-open (which I call go for short) has ceased working. It interprets any argument given to it as a directory and will not recognize anything else. I have traced out the somewhat ...
8
votes
4answers
6k views

Firefox application associations not working

No matter what changes i make to file associations (actions) in the 'Applications' tab in Firefox, they're totally ignored. For example, i set .wmv and .avi files to open with 'smplayer' but when i ...
9
votes
3answers
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Why does update-mime-database complain about uri/rtspt and other unusual types?

When running update-mime-database - usually automatically launched by apt-get - why do I reliably get complaints like: Unknown media type in type 'all/all' Unknown media type in type 'all/allfiles' ...
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4answers
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Where are file associations stored?

How does Ubuntu or any other Linux systems store file associations? Is there some /etc/asscociations file or something? I know that I can right click on file and change it via "open with", but I'm ...
4
votes
2answers
251 views

How do Nautilus media handlers work?

Nautilus has options for what to do when media devices are added. How does Nautilus know what applications to make available in these drop-down menus? How do applications plug themselves in to ...
2
votes
2answers
463 views

Files downloaded from my Ubuntu server appear to be treated as text, regardless of their type - How to fix?

I am running Ubuntu server 10.04.1 on an x86 box, and all seems ok, however, I have also installed apache2 and proftpd, and configured them as per documentation. I am having problems when I download ...
8
votes
2answers
861 views

How to change handler of APT: URLs?

In Firefox on a fresh install of 10.10 when visiting apt.ubuntu.com/p/banshee (for example) I get prompted with the following window: However, I was under the impression that apturl was supposed to ...
7
votes
2answers
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How do I set Gnome's default open behavior for file types?

I'd like to set 10.10 to open MP3 files in Muinshee when I open them from a file manager. I don't really like Totem very much, and opening all of Banshee is a little bit too heavy for just playing a ...
8
votes
3answers
3k views

What is the relationship between MIME types and File .extensions?

I may have the wrong idea here, but I thought that: MIME types are identifying codes, embedded inside a file. File .extensions are idenifying codes, suffixed to the file's name. I thought, from ...
7
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1answer
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How are file-extensions/mime-types/icons/default applications asssociated?

Is there a way / application to add a file extension / mime-type to the system. What I want to achieve is: Have a default program for opening files of this type Have a special icon for this filetype ...
8
votes
1answer
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How to get the mime type of a file from the command line?

I'm trying to get the mime type of a file from the command line as a printed string (eg. application/vnd.oasis.opendocument.spreadsheet). I looked up how to do this and found the xdg-mime command. ...