How to get your Nokia E71 MAC address

*#62209526# will get your WLAN MAC address
*#2820# will get your Bluetooth MAC address

Read more about basic codes for mobile terminals

How to use apt-get behind proxy server from command line (Ubuntu)

Edit your /etc/bash.bashrc file as root. Put these line at the end of your /etc/bash.bashrc file :

export http_proxy=http://username:password@proxyserver.net:port/
export ftp_proxy=http://username:password@proxyserver.netport/