To update Debian 6.xx using http proxy squid

To update Debian 6.xx using http proxy squid edit file name: / etc / bash.bashrc
at the end of the file add
# By igam export
http_proxy = http://10.11.4.48:3128
export ftp_proxy = http://10.11.4.48:3128
# End addtional configuration
Run apt-get update