[r1sh]

И еще вопрос. При запуске apt-get update очень долго, примерно 5 минут делает проход.
содержимое sources.list:


#############################################################
################### OFFICIAL DEBIAN REPOS ###################
#############################################################

deb http://mirror.yandex.ru/debian/ lenny main
deb-src http://mirror.yandex.ru/debian/ lenny main
#deb http://mirror.yandex.ru/debian/ squeeze main
#deb-src http://mirror.yandex.ru/debian/ squeeze main

##### SECURITY | Обновления безопасности
deb http://security.debian.org/ lenny/updates main contrib non-free
deb-src http://security.debian.org/ lenny/updates main contrib non-free
#deb http://mirror.yandex.ru/debian-security lenny/updates main non-free contrib

deb http://volatile.debian.org/debian-volatile lenny/volatile main contrib
deb-src http://volatile.debian.org/debian-volatile lenny/volatile main contrib

###### Debian Main Repos
#deb http://ftp.ru.debian.org/debian/ lenny main contrib squeeze
#deb-src http://ftp.ru.debian.org/debian/ lenny main contrib squeeze

###### Debian Update Repos
deb http://ftp.ru.debian.org/debian/ lenny-proposed-updates main contrib squeeze

##### BACKPORTS | Новые версии пакетов для Stable-дистрибутивов
deb http://www.backports.debian.org/debian/ lenny-backports main contrib non-free
deb-src http://www.backports.debian.org/debian/ lenny-backports main contrib non-free

##### UNOFFICIAL | Неофициальные версии пакетов от мейнтейнеров
deb http://unofficial.debian-maintainers.org/ lenny main contrib non-free restricted
deb-src http://unofficial.debian-maintainers.org/ lenny main contrib non-free restricted
#deb http://ftp.debian-ports.org/debian/ unstable main
deb http://frickelplatz.de/debian sid main contrib non-free (свежий wine, emerald)

##############################################################
##################### UNOFFICIAL REPOS ######################
##############################################################

###### 3rd Party Binary Repos

#### Debian Backports - http://www.backports.org
deb http://www.backports.org/debian lenny-backports main contrib non-free

#### Debian Unofficial - http://debian-unofficial.org/
## Run this command: apt-get install debian-unofficial-archive-keyring
#deb http://ftp.debian-unofficial.org/debian lenny main contrib non-free restricted

#### Dotdeb - http://www.dotdeb.org
deb http://packages.dotdeb.org stable all

#### Google Linux Software Repositories - http://www.google.com
#deb http://dl.google.com/linux/deb/ stable all

#### Google Linux Software Repositories (testing) - http://www.google.com
deb http://dl.google.com/linux/deb/ testing non-free

#### Lenny and a Half - http://wiki.debian.org/LennyAndAHalf
deb ftp://ftp.debian.org/debian lenny-proposed-updates main

#### Unofficial Maintainers - http://unofficial.debian-maintainers.org/
## Run this command: apt-get install dmo-archive-keyring
#deb http://unofficial.debian-maintainers.org/ lenny/backports main contrib non-free restricted


#### Unofficial Maintainers (Source) - http://unofficial.debian-maintainers.org/
## Run this command: apt-get install dmo-archive-keyring
#deb-src http://unofficial.debian-maintainers.org/ lenny/backports main contrib non-free restricted

###Nagios
deb http://debian.swobspace.net lenny main
deb-src http://debian.swobspace.net lenny main

и еще хотелось бы узнать не опасно ли ставить пакеты с зеркал для squeeze?