Firefox 2 and Firefox 3 co-habiting on Ubuntu 8.04

brad's picture

I recently upgraded to Ubuntu 8.04 (Hardy Heron). I was pleasantly surprised when Firefox 3 greeted me as the default browser, but then hit a few speed bumps. Being a web developer I constantly use tools like firebug and MeasureIt. Unfortunately, until Firefox 3 is widespread (and released), many extensions don't work (there are hacks, but they come with problems). So I don't want to go back to Firefox 2 as my browser, because when I did try there were some issues with downgrading my profile, and I have become quite used to bookmark tags, awesomebar, the incredible difference in memory consumption, and the Save & Exit prompt. Running Firefox 2 concurrently is possible though, it comes at a price though.

Firstly, install firefox-2:

sudo apt-get install firefox-2

I went the route of using a separate user for FF2, but you could probably use profiles? So:

Create a candidate user:

sudo adduser firefox2

(where firefox2 is the username)

Then you can run firefox-2 as the user firefox2 using:

xhost +local:
sudo su firefox2
export DISPLAY=:0.0
firefox-2

The caution...using xhost +local: means any user logged onto your box (i.e. local), including ssh sessions, can access your X session. You will not have your bookmarks etc., but you can make a copy of bookmarks.html from your ~/.mozilla/firefox/%default profile%/bookmarks.html. You can now install the conventional FF add-ons etc.

This should be treated as a hack and an interim measure, because once FF3 is supported by all your favourite extensions, then there is no need to carry on using it. I use my FF3 as my primary browser, and FF2 as a development environ (so not having bookmarks is fine for me, because I literally only use it for opening the site I am currently working on).

Would appreciate constructive comments and crit. of better ways of doing this.

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Create a separate profile by starting firefox with the '-ProfileManager' switch. Then either set the no remote environment variable with 'set MOZ_NO_REMOTE=1' or run your firefox with the '-no-remote' switch. This will also allow you to run multiple profiles at once, you could even have FF2 and FF3 running at the same time. I use this to have a 'Google/Gmail' profile segregated from my 'normal' profile and 'banking' profile.

Your answer was of great help. It solved my problem with Firefox too. Thank you very much for sharing.
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Then either set the no remote environment variable with 'set MOZ_NO_REMOTE=1' or run your firefox with the '-no-remote' switch. This will also allow you to run multiple profiles at once, you could even have FF2 and FF3 running at the same time.
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Firefox is definitely showing it's face in many places. It will be around for many more years to come. Ubuntu was just the beginning.
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Yesterday I tried to put the UNR image into the USB stick under Windows XP SP3,But it failure without any reason(when USB stick had be written,it was still empty...)...I tried several times,but it still fail. And there isn't any superfluous computer can be installed Ubuntu...I tried to use Virtual Box http://www.ebook-search-queen.com/ebook/Virt/VirtualBox.all.html ,but it has a terrible support of USB drivers...What can I do...

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I've had a load of problems with he latest firefox plugin, and it's prevented a lot of other plugins functioning. Has anyone else had this?

Same! Firefox has been all buggy lately :(

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Working as a Massachusetts short sale Realtor I can not imagine using anything else but firefox. If you are in business you should have firefox just for the SEO tools alone! All the plugins are just terrific.

i am also facing problems in plugins any good solution of this?

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Oh, thanks for the post, I had a problem with installing Firefox 3.
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Now that firefox is implemented into Ubuntu I think it has worked out very well. I have heard the argument that Google Chrome should be included, but I think Firefox has the right open source mentality. Having used firefox and ubuntu, it runs much more quickly on ubuntu than it does on windows. Honestly, I really like firefox on ubuntu and it makes a big difference. I have mostly used it on Jaunty Jacalope though so it could run differently on different versions.

I think it has worked out very well. I have heard the argument that Google Chrome should be included, but I think Firefox has the right open source mentality.

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Your answer was of great help. I really like firefox on ubuntu and it makes a big difference.It solved my problem with Firefox too. Thank you very much for sharing.

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ubuntu is the best free software available on the net . . .

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