To install Firefox 4 on Debian Linux Squeeze, you can follow these steps:
- Add the Mozilla repositories:
echo "deb http://mozilla.debian.net/ squeeze-backports iceweasel-release" | sudo tee /etc/apt/sources.list.d/iceweasel.list
- Import the repository signing key:
wget -q -O - http://mozilla.debian.net/archive.asc | sudo apt-key add -
- Update the package list:
sudo apt-get update
- Install Firefox 4:
sudo apt-get install -t squeeze-backports iceweasel
Note that the package name for Firefox on Debian is “iceweasel.” After running these commands, Firefox 4 should be installed on your system and available for use.
Please note that this procedure is for Debian Squeeze. If you are using a different version of Debian, the steps may be different. Additionally, this procedure assumes that you are using the default Debian package manager, apt. If you are using a different package manager, the commands may be different.