Squid no debian

Estou tentado instalar squid no meu debian 6,so consegui pacote .tar.gz e .tar.gz2, tento usar o apt-get e aptitute porém não funfa.
O que posso fazer?

Posta seu sources.list.

Debian Sources List Generator => http://debgen.simplylinux.ch/

# apt-get install squid

não funfou????

# cd /etc/squid
este diretorio aparece???

Ai esta minha sourcelist



#

# deb cdrom:[Debian GNU/Linux 6.0.2.1 _Squeeze_ - Official i386 CD Binary-1 20110626-15:45]/ squeeze main

deb cdrom:[Debian GNU/Linux 6.0.2.1 _Squeeze_ - Official i386 CD Binary-1 20110626-15:45]/ squeeze main

deb http://security.debian.org/ squeeze/updates main
deb-src http://security.debian.org/ squeeze/updates main

# squeeze-updates, previously known as 'volatile'
# A network mirror was not selected during install. The following entries
# are provided as examples, but you should amend them as appropriate
# for your mirror of choice.
#
# deb http://ftp.debian.org/debian/ squeeze-updates main
# deb-src http://ftp.debian.org/debian/ squeeze-updates main

# vi /etc/apt/sources.list

ou

# gedit /etc/apt/sources.list &

### Debian 6.0 Squeeze/Stable.

deb http://ftp.br.debian.org/debian/ squeeze main contrib non-free

 

### Debian 6.0 Squeeze/Stable 'Updates'.

deb http://security.debian.org/ squeeze/updates main contrib non-free

deb-src http://security.debian.org/ squeeze/updates main contrib non-free

 

### Debian 6.0 Squeeze/Stable 'Volatile'.

# deb http://volatile.debian.org/debian-volatile squeeze/volatile main

 

### Debian 6.0 Squeeze/Stable 'Backports'.

deb http://backports.debian.org/debian-backports squeeze-backports main contrib non-free 

* Após editar o sources.list:

# apt-get update
# apt-get install squid


Abraço!