Note: the latest installer has support for Ubuntu 11.04 (get it from here http://wiki.meego.com/SDK/1.2/Installer_Status)
Some notes how you can install MeeGo SDK 1.2 on Ubuntu 11.04:
1. Download MeeGo SDK installer:
wget http://sdk.meego.com/installer/Linux/meego-sdk-installer-online-20110519 chmod u+x meego-sdk-installer-online-20110519
2. Start installation process and wait till you will get "Error during installation" message, do not close this window:
./meego-sdk-installer-online-20110519
3. Open terminal and fix MeeGo repository definition, replace "Invalid" with "Ubuntu/10.10" in /etc/apt/sources.list.d/meego-sdk.list file, e.g.:
sudo sed -i 's/Invalid/ubuntu\/10.10/' /etc/apt/sources.list.d/meego-sdk.list
4. Add repository key:
gpg --recv 0BC7BEC479FC1F8A gpg --export --armor 0BC7BEC479FC1F8A | sudo apt-key add -
5. Update the packages database:
sudo apt-get update
6. Press "retry" button, then installation process will continue.