deb http://archive.debian.org/debian/ etch main contrib
# wget http://ftp-master.debian.org/keys/archive-key-5.0.asc # apt-key add ./archive-key-5.0.asc
# apt-get install [パッケージ]
# apt-get --purge remove [パッケージ]
# apt-get update # apt-get upgrade
# apt-get install ssh
# apt-get install ntp
server ntp.nict.jp
# /etc/init.d/ntp restart debian:~# ntpq -p remote refid st t when poll reach delay offset jitter ============================================================================== ntp-a2.nict.go. .INIT. 16 u - 64 0 0.000 0.000 0.000
# dpkg -x filename.deb .