[SOLVED] cannot install squid in ubuntu 8.04

[getyourkarthick]

cannot install squid in ubuntu 8.04,when i execute apt-get command in terminal i get this reply

root@karthick-desktop:~# apt-get install squid
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package squid
root@karthick-desktop:~#

Pls help....

[devils casper]

Have you updated sources?

sudo apt-get clean all
sudo apt-get update
sudo apt-get install squid

In case it doesn't work, post the output of this

cat /etc/lsb-release

[getyourkarthick]

Thankyou,now i can install it..