Ubuntu – Can not Change Default File Manager of Ubuntu Mate 18.04

18.04defaultdefault-programsfilemanagerubuntu-mate

I installed Nemo using

sudo add-apt-repository ppa:webupd8team/nemo3
sudo apt update
sudo apt install nemo

Then I went to Preferred Application -> System -> File Manager -> Files

NOTE: Nemo like to call itself files

But it did not change the default file manager.

So, to double check I used my ubuntu mate bootable usb (try ubuntu). Used the same process to check if Nemo can be set to default file manager. But it is not working there either?

I would like to mention xdg-open $HOME open Nemo.

Should I change anything in /usr/share/applications/mate/ as I read somewhere that the application showed in Preferred Application are taken from this location.

If I need to change any file, what file do I need to change and what is the change?

What is the terminal solution?

Update 1

The Home and Computer icons in the Desktop is by Mate Tweak, and it created all the confusion. Mate Tweak generated Icons always open in Caja no matter what the default File Manager is.

But when I create a directory shortcut, it opens in Nemo by default.

Best Answer

xdg-open uses xdg-mime to determine the type of object to open and then searches for the default application for it.

$ xdg-mime query filetype $HOME
inode/directory

$ xdg-mime query default inode/directory
nautilus-folder-handler.desktop

You need to set default application with nemo.desktop file. You can find it in /usr/share/applications. Then

$ xdg-mime default nemo.desktop inode/directory

And try open any directory with xdg-open.

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Ubuntu – How to force Firefox to open downloads with new default file manager (Nemo)

This is an awkward, quick and dirty solution you advocate. You Can't use Nautilus anymore. If it's your intention then it's better to remove it for good.

$ sudo apt-get remove nautilus

Otherwise I believe the proper solution is to modify the defaults.list file located in /usr/share/applications as suggested here.

In Ubuntu Xenial 16.04 I did comment out the original line and replaced nautilus with nemo e.g.

#inode/directory=nautilus-folder-handler.desktop
inode/directory=nemo.desktop

Then just restart Firefox and you will be OK ...

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The location you are looking for is: /run/user/1000/gvfs. Or more precisely /run/user/$UID/gvfs. The approach that I've used to get this is shown on the following animation.

You can use also the option Open in Local Terminal from the context menu (right mouse button):

The initial answer:

This is not exact answer of your question, but it may be useful. You can mount FTP instance into your file system via the tool curlftpfs:

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You can make script or fstab entry to automate the mounting process, as it is described here.

According to your original question, as it is described here, you can mount and SSH instance.

Best Answer

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