You could also use kwriteconfig from command line.

$ kwriteconfig --file kdeglobals --group General --key 'BrowserApplication' '!firefox-esr'

unfortunately i have no clue what dcop signal needs to be send to reload the config.

On Tuesday 31 January 2017 15:50:44 Richard Lamboj wrote:

Hello Ken,

start kcontrol and select in the tree view the following: "TDE Components" -> "Default Application" and then on the right side you will find a list view; select "Web Browser".

Now you are able to select the default Web Browser for TDE and you can investigate if the problem is system-wide, or affects only TDE.

If the problem is system-wide, then run under root privilegs: update-alternatives --config x-www-browser and select your desired browser as default.

Kind Regards,

Richard

On Tuesday 31 January 2017 14:56:36 Ken Heard wrote:

...

Hi,

Now that Firefox is directly available from a Wheezy repository I recently decided to replace Iceweasel with Firefox-esr. Once I had the latter up and running I deleted the former.

When I next tried to open an html file from Dolphin I received the TDEInit failure message: "TDEInit could not launch 'Iceweasel'. Could not find 'Iceweasel' executable."

I did an online search for information about TDEInit and found that others had problems with it, and the problems had to do with something called 'binutils' I think. My knowledge of information technology is unfortunately insufficient to allow me to understand the information I found.

Could someone please tell me what I need to do to replace 'Iceweasel' with Firefox-esr so I can open html files in 'Firefox-esr" from Dolphin.

Regards, Ken Heard

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Hello Richard,

First, let me apologize to you for not mentioning in my original post that after I moved my default browser from iceweasel to firefox-esr, and deleted from my Wheezy computer iceweasel, I made both the changes you mentioned in your first post to me. If I had done so you would not have been put to the trouble of explaining them to me.

Running the command in your second post as my user, "kwriteconfig - --file kdeglobals --group General --key 'BrowserApplication' '!firefox-esr'" -- all on one line of course without the double quotes - -- seemed to be accepted by the computer. Since I too do not know the dcop signal to reload the config, I simply rebooted the computer. I found that it did work. Thank you for your providing me with that solution.

Between the time of my original post and of your answers I thought of another solution, simply create in /usr/bin the following link "ln -s firefox-esr iceweasel". That solution also worked; but your solution is better; so I reverted to it once I knew it would work -- although with an incomplete understanding of how or why!

Regards, Ken Heard

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On 2017-02-02 15:23, deloptes wrote:

In Kontrolcenter you have standard programs, where you can configure web browser. This setting is saved in the tde config. With the command provided by Richard, you wrote your setting directly in the config. Each time tde has to open URL it would use the program configured there.

After looking at the kwriteconfig man page, finding and then opening the file named in the command Richard gave me, ~/.trinity/share/config/kdeglobals, I find that it has some 370 lines each one of which contains a variable and the current option selected for it. It is presumably here, or in other similar files in that config directory, where all the options selectable in the Trinity Control Centre -- and much else besides -- are stored.

One of these variables is Browser Application where the selected option is now !firefox-ecr, which I had to change from iceweasel using the kwriteconfig command as Richard suggested. The trinity control centre however provides for changing the default browser, in TDE Components-> Default Applications -> Web Browser.

In my original post I mentioned that when I changed browsers from Iceweasel to Firefox-esr I also changed accordingly the option in Web Browser; but the change had no effect. I now wonder what purpose that option in the Control Centre really serves.

Regards, Ken