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Can't install extensions via browser

asked 2017-03-10 11:21:54 -0600

masteroman gravatar image

So I have this issue with being unable to install gnome shell extensions via extensions.gnome.org website. It fails to detect my gnome version and prints following message:

To control GNOME Shell extensions using this site you must install GNOME Shell integration that consists of two parts: browser extension and native host messaging application.

When extension is manually installed it says it can't connect to native host messaging application.

Anyhow, First I thought it could be Selinux issue but with Selinux disabled it doesn't work as well. This is newly installed system and updated to a latest release.

Before I issued an update I could install gnome shell extensions normally, is there some known issue with newest set of updates, Firefox, anything else?

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I'm getting following message after I install plugin:

Attempt to postMessage on disconnected port
masteroman gravatar imagemasteroman ( 2017-03-10 12:07:12 -0600 )edit
2

Maybe it is due the fact that Firefox dropped support to NPAPI? link

alcir gravatar imagealcir ( 2017-03-10 12:14:12 -0600 )edit

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answered 2017-03-10 12:16:11 -0600

masteroman gravatar image

Ok, I figured this out. Seems like with newest Firefox version plugin for Firefox isn't working anymore as they're transitioning to WebExtensions (same kind as Google Chrome uses). So to enable gnome shell extension installation within Firefox you need to install plugin and after that also enable integration:

sudo dnf copr enable region51/chrome-gnome-shell
sudo dnf install chrome-gnome-shell

Hope this helps to those having issues.

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Have a look to this blog. I have not tested, but it seems there is a replacement for the gnome firefox extension that doesn't use NPAPI.

alcir gravatar imagealcir ( 2017-03-10 12:19:15 -0600 )edit
1

Just writing an article myself :-P

masteroman gravatar imagemasteroman ( 2017-03-10 12:27:17 -0600 )edit

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Asked: 2017-03-10 11:21:54 -0600

Seen: 2,851 times

Last updated: Mar 10 '17