This topic is now outdated... there are now instructions for installing Firefox 7 here:
(click the link below)
Install Firefox 7 on an Acer Aspire One running Linpus Lite Linux

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Those who have ALREADY upgraded your version of Firefox 2 to Firefox 4 or 5 by following the instructions here:
http://linuxforums.org.uk/netbooks/install-firefox-4-on-an-acer-aspire-one-running-linpus-lite-linux/
or
http://linuxforums.org.uk/netbooks/install-firefox-5-on-an-acer-aspire-one-running-linpus-lite-linux/
see the "How to UPGRADE FF4 or FF5 to Firefox 6" section at the bottom of this posting.

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For those who HAVEN'T upgraded to Firefox 4 or Firefox 5, and are still running Firefox 2 ... read on.

WARNING - DO NOT uninstall Firefox 2 prior to installing Firefox 6... on Linpus Lite this will break your system, removing Firefox 2 will also remove a lot of necessary dependencies, including half of your desktop... simply reinstalling Firefox 2 will NOT fix this... so leave Firefox 2 alone, and just follow the instructions below... none of which are irreversible

To install Firefox 6.0.2 on an Acer Aspire One that is running Linpus Lite Linux as it's operating system, and Firefox 2 as the web browser...

All commands given need to be entered into a terminal... to open a terminal, hit Alt+F2 .. in the input field enter terminal and click the Run button... a terminal will open... When the terminal opens, enter the following commands (hitting Enter after each command to 'run' it)
(also remember Linux commands ARE case sensitive so enter exactly as shown, or even better copy and paste).

First, just in case you already have a newer version of Firefox installed than the version that came pre-installed on your AA1, run the following command to back it up:
(don't worry if the above command fails, it just means you don't have a newer version)

Now use wget to download Firefox 6:
(you can change the en-GB language variable on the end to any of the other language codes for FF6 that can be found HERE)

Extract the just downloaded file to /opt:

Create a plugins directory:

Change the /opt/firefox directory owner to user:

Rename the original firefox shell script (just in case you ever want to replace it):

Add a symlink to point to Firefox 6:

Finally , link all old plugins to the new firefox/plugins directory:

Ok that's Firefox 6 installed, but if you attempt to start it now you will get an error similar to:

firefox/libstdc++.so.6: version `GLIBCXX_3.4.9' not found (required by firefox/libxul.so)

So next you need to put a copy of libstdc++.so.6 in the /opt/firefox directory... Firefox 6 requires this file to be installed on your system but it isn't available in the linpus lite repos... so use wget to download it from my dropbox:

and unpack it directly into the /opt/firefox directory:

Launch Firefox's profile manager:
Create a new profile... you can name it anything you like... and select it.

As a bonus you can also change the icon to the official Firefox icon. (though this *isn't* necessary)

Finally reboot the AA1 to make the desktop aware of the new icon and browser location.

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Most of the credit must go to macles.blogspo t:
http://macles.blogspot.com/2008/07/installing-firefox-3-on-acer-aspire-one.html
I've just modified the instruction slightly for FF6, added the libstdc++.so.6 file (from fedora 10 32bit) which is needed by FF4 / FF5 / FF6, and made it slightly easier to undo.

For instructions on how to upgrade the flashplayer plugin, see here:
http://linuxforums.org.uk/netbooks/acer-aspire-one-linpus-lite-flash-player/msg62581/#msg62581

Also see:
http://linuxforums.org.uk/netbooks/acer-aspire-one-netbook-running-linux-can-i-update-to-the-latest-firefox/

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How to UPGRADE FF4 or FF5 to Firefox 6

If you already have a working Firefox 4 or Firefox 5 installation at /opt/firefox .. All you need to do to upgrade it to Firefox 6 is to open a terminal and run these 3 commands:

then
then

Close all instances of Firefox, and restart it... it should now be Firefox 6

I take it you mean the little cube symbol in the title bar, next to where it says Google - Mozilla Firefox ?

If so, I've no idea, but if you want to try a "clean" install of Firefox 6 (rather than over the top of FF5) to see if that makes a difference, let me know and I'll post instructions.

If you want, I'll see if I can discover where it gets that graphic from.

No worries... thanks for the update, so others won't think it's a Firefox 6 issue

OK, first, are you running Linpus Lite... does your desktop look like this ? :


If so, start up Firefox, then in the menu, click Help > About Firefox, you should see a screen similar to this:


Which will tell you which version of Firefox you are currently running... Which version does it say ?

Firefox 5 or 6 shouldn't really be any more system resource hungry than Firefox 3.

Changing the version of Firefox will NOT effect the Flash version in /home/user/.mozilla/plugins so it will not need to be reinstalled.

At a guess (but it *is* a guess) I'd say it probably is possible to install Opera... I recently recieved a personal message from someone who had Opera on an AA1... but you then have to modify an Opera config file to point it at the Firefox flashplayer plugin.

I haven't actually got an AA1, so I'd rather not go into how to install Opera... at least not in this topic, but I'll look into it if you post the question as a separate topic.

Adding a folder to Thunar... again, I'm not 100% sure, I take it you've tried dragging and dropping... have you tried adding it to bookmarks (if there are boookmarks in Thunar ?).

Though Mint 10 (main GNOME edition) will definitely be easier to configure, and will give you easy access to more up-to-date software... it will definitely be more resource hungry, and will slow your system... so if you decide to give another OS a try, I'd suggest trying something like Mint LXDE, or Lubuntu (both of which use the lighter LXDE desktop), or Xubuntu (which uses the XFCE desktop which is a light desktop too).

You must have missed out the:
command.

glad you're up and running now.

Firstly, the flashplayer isn't in /opt/firefox/plugins .. it's in /home/user/.mozilla/plugins (or should be).

If you follow the instructions at the top of this topic... they should work, no matter which version of FF you have installed... if you have FF3 installed at /opt/firefox  the first command will back that directory up, so in a worst case scenario, you could just rename it back, and you'd be back to FF3.

Once Firefox is installed, follow the instructions for installing the flashplayer plugin here:
http://linuxforums.org.uk/netbooks/acer-aspire-one-linpus-lite-flash-player/msg62581/#msg62581

Know any AUDIO RECORDING program for this beast? or Webpage Editor? Or a way to customize the desktop?

No, but if you post the question as a separate topic, I'll see what I can find... may take a while though, as I don't own an AA1, and Linpus will NOT load as a virtual machine, so I'm kinda working in the dark here

Jeez, there's a few question there .....

Before you do anything else, can you answer my questions at the end of this post, and I'll then be able to tell you what you need to do to get FF6 installed.

I don't have an opt directory,

I'd be VERY surprised if you don't have an /opt directory, if there isn't one you must have deleted it at some stage... in a terminal enter:
hit enter... can you see an opt directory ?

If there ISN'T an opt directory, you can create one with:

Your flash instructions included a ~ (tilde?) in front of directories- does it need that?

A tilde (~) means, start in the currect users home directory... it saves having to type /home/<username> and also means I don't need to know if you've changed from the default Linpus username (user)... if you wish, you can replace the tilde with the FULL path to your home directory.

Did ff6 download about a week ago- its not the newest file in Downloads, but why would it even find it without specific direction？

Nowhere in my instructions does it say to download Firefox 6 to the Downloads directory... the wget command will download it to the current directory, which if you'd followed the instructions would be your home directory... but it doesn't really matter which directory you are in when you run the wget command, because the next command unpacks the downloaded archive to /opt

This leaves the old installation too, right, so you can start that if you wish？

If you mean do these instructions remove anything from you system... NO they do not... the original Firefox will still be there, though if you follow them to completion, you would need to start the old copy of FF from the command line as the shortcut will now point to Firefox 6.

Linpus gives everyone owner priviledges, right, why you don't need sudo su?

Erm, NO it doesn't... that's why you need sudo, to gain root privileges... sudo su effectively makes you the root user, whereas sudo just (temporarily) gives your user account root privileges.... I'm not going to go into the differences between sudo and su here, that's what Google is for .. see here:
http://kb.iu.edu/data/amyi.html

Also, though I see sudo su all over the internet, I'm no longer convinced this is the best way to switch to a root prompt, in most cases (if mot all) sudo -s is probably a better way of doing it.

[user@localhost ~]$ sudo mv -v /opt/firefox /opt/firefox-backup
mv: cannot stat `/opt/firefox': No such file or directory
[user@localhost ~]$ sudo tar -jxvf firefox-6.0.tar.bz2 --directory /opt
tar: firefox-6.0.tar.bz2: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error exit delayed from previous errors
[user@localhost ~]$ sudo tar -jxvf /Downloads/firefox-6.0.tar.bz2 --directory /opt
tar: /Downloads/firefox-6.0.tar.bz2: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error exit delayed from previous errors

These errors could mean one of 2 things.... either you don't have a file called firefox-6.0.tar.bz2 in either your home folder, or your Downloads folder... OR... as you say, you don't have an /opt directory (you would definitely have an opt directory by default, so if it doesn't exist, it must have been deleted at some point).

On another issue, I can't search for a file in the file manager, and it's impossible that I've gone 2 years withot noticing this.

Can't really help you with the search function (other than maybe explaining how to search from the command line), as I don't have an AA1.

How can you answer any of these questions w/o an AAO w Linpus?

Under the skin, most Linux distro's are *fairly* similar, certainly as far as the directory structure is concerned.

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OK, now can you answer some questions for me, so we can sort out the FF6 installation for you....

Open a terminal and enter:
hit enter, and post the output back here.

Back in the terminal enter:
hit enter, and post the output back here.

Back in the termina enter:
hit enter, and post the output back here.

Back in the terminal enter:
hit enter, and post the output back here.

Some of the above may fail, but post what's returned anyway.