# uname -a
GNU/kFreeBSD debian 8.1-1-686 #0 Tue Jan  4 17:59:05 UTC 2011 i686 i386 Intel(R) Atom(TM) CPU N550   @ 1.50GHz GNU/kFreeBSD

Update

# apt-get update
Ign cdrom://[Debian GNU/Linux 6.0.0 _Squeeze_ – Official kfreebsd-i386 CD Binary-1 20110205-22:58] squeeze Release.gpg
Media change: please insert the disc labeled
‘Debian GNU/Linux 6.0.0 _Squeeze_ – Official kfreebsd-i386 CD Binary-1 20110205-22:58’
in the drive ‘/media/cdrom/’ and press enter

hit CTRL+C to stop end edit /etc/apt/sources.list

# nano /etc/apt/sources.list

give # in front of deb cdrom:[Debian GNU/Linux 6.0.0 _Squeeze_ – Official kfreebsd-i386 CD Binary-1 20110205-22:58]/ squeeze main line.

Re try one more time.

t# apt-get update
Get:1 http://security.debian.org squeeze/updates Release.gpg [836 B]
Get:2 http://ftp.us.debian.org squeeze Release.gpg [1,671 B]
Ign http://security.debian.org/ squeeze/updates/main Translation-en
Ign http://ftp.us.debian.org/debian/ squeeze/main Translation-en
Ign http://security.debian.org/ squeeze/updates/main Translation-en_US
Hit http://security.debian.org squeeze/updates Release
Ign http://ftp.us.debian.org/debian/ squeeze/main Translation-en_US
Hit http://security.debian.org squeeze/updates/main Sources
Get:3 http://ftp.us.debian.org squeeze-updates Release.gpg [836 B]
Hit http://security.debian.org squeeze/updates/main kfreebsd-i386 Packages
Ign http://ftp.us.debian.org/debian/ squeeze-updates/main Translation-en
Ign http://ftp.us.debian.org/debian/ squeeze-updates/main Translation-en_US
Hit http://ftp.us.debian.org squeeze Release
Get:4 http://ftp.us.debian.org squeeze-updates Release [113 kB]
Hit http://ftp.us.debian.org squeeze/main Sources
Hit http://ftp.us.debian.org squeeze/main kfreebsd-i386 Packages
Hit http://ftp.us.debian.org squeeze-updates/main Sources/DiffIndex
Hit http://ftp.us.debian.org squeeze-updates/main kfreebsd-i386 Packages/DiffIndex
Hit http://ftp.us.debian.org squeeze-updates/main kfreebsd-i386 Packages
Fetched 117 kB in 12s (9,015 B/s)
Reading package lists… Done
#

Upgrade

# apt-get upgrade
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following packages will be upgraded:
base-files bind9-host dnsutils exim4 exim4-base exim4-config exim4-daemon-light host isc-dhcp-client isc-dhcp-common
kfreebsd-image-8-686 kfreebsd-image-8.1-1-686 libbind9-60 libdns69 libisc62 libisccc60 libisccfg62 liblwres60 python
python-minimal tzdata
21 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 15.8 MB of archives.
After this operation, 12.3 kB of additional disk space will be used.
Do you want to continue [Y/n]? y

Get:1 http://ftp.us.debian.org/debian/ squeeze/main base-files kfreebsd-i386 6.0squeeze1 [63.3 kB]
Get:2 http://security.debian.org/ squeeze/updates/main isc-dhcp-client kfreebsd-i386 4.1.1-P1-15+squeeze2 [253 kB]
Get:3 http://ftp.us.debian.org/debian/ squeeze-updates/main tzdata all 2011d-0squeeze1 [767 kB]
Get:4 http://security.debian.org/ squeeze/updates/main isc-dhcp-common kfreebsd-i386 4.1.1-P1-15+squeeze2 [314 kB]
Get:5 http://security.debian.org/ squeeze/updates/main dnsutils kfreebsd-i386 1:9.7.3.dfsg-1~squeeze1 [153 kB]
Get:6 http://ftp.us.debian.org/debian/ squeeze/main python all 2.6.6-3+squeeze6 [168 kB]
Get:7 http://security.debian.org/ squeeze/updates/main bind9-host kfreebsd-i386 1:9.7.3.dfsg-1~squeeze1 [67.2 kB]
Get:8 http://security.debian.org/ squeeze/updates/main libisc62 kfreebsd-i386 1:9.7.3.dfsg-1~squeeze1 [153 kB]
Get:9 http://ftp.us.debian.org/debian/ squeeze/main python-minimal all 2.6.6-3+squeeze6 [33.8 kB]
Get:10 http://ftp.us.debian.org/debian/ squeeze/main kfreebsd-image-8.1-1-686 kfreebsd-i386 8.1+dfsg-8 [10.9 MB]
Get:11 http://security.debian.org/ squeeze/updates/main libdns69 kfreebsd-i386 1:9.7.3.dfsg-1~squeeze1 [664 kB]
Get:12 http://security.debian.org/ squeeze/updates/main libisccc60 kfreebsd-i386 1:9.7.3.dfsg-1~squeeze1 [30.8 kB]
Get:13 http://security.debian.org/ squeeze/updates/main libisccfg62 kfreebsd-i386 1:9.7.3.dfsg-1~squeeze1 [50.3 kB]
Get:14 http://security.debian.org/ squeeze/updates/main liblwres60 kfreebsd-i386 1:9.7.3.dfsg-1~squeeze1 [50.0 kB]
Get:15 http://security.debian.org/ squeeze/updates/main host all 1:9.7.3.dfsg-1~squeeze1 [17.8 kB]
Get:16 http://security.debian.org/ squeeze/updates/main libbind9-60 kfreebsd-i386 1:9.7.3.dfsg-1~squeeze1 [38.3 kB]
Get:17 http://security.debian.org/ squeeze/updates/main exim4-config all 4.72-6+squeeze1 [464 kB]

…………………….

………………………………

………………………………………

Setting up exim4-daemon-light (4.72-6+squeeze1) …
Starting MTA: exim4.
Setting up exim4 (4.72-6+squeeze1) …
Setting up python-minimal (2.6.6-3+squeeze6) …
Setting up python (2.6.6-3+squeeze6) …
Setting up kfreebsd-image-8.1-1-686 (8.1+dfsg-8) …
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 8.1-1-686 /boot/kfreebsd-8.1-1-686.gz
Generating grub.cfg …
Found kernel of FreeBSD: /boot/kfreebsd-8.1-1-686.gz
Found kernel module directory: /lib/modules/8.1-1-686
grep: /proc/swaps: No such file or directory
done
Setting up kfreebsd-image-8-686 (8.1+dfsg-8) …
#

# uname -a
GNU/kFreeBSD debian 8.1-1-686 #0 Tue Jan  4 17:59:05 UTC 2011 i686 i386 Intel(R) Atom(TM) CPU N550   @ 1.50GHz GNU/kFreeBSD
#

Great.