***squeeze更新への事前準備 -リポジトリのバックアップ KURO-BOX:~# KURO-BOX:~# mv /etc/apt/sources.list /share/ -リポジトリの更新 --追加リポジトリ:deb ftp://ftp.dti.ad.jp/pub/Linux/debian squeeze main contrib non-free KURO-BOX:~# KURO-BOX:~# vi /etc/apt/sources.list ・ ・ ・ KURO-BOX:~# -アップデート:失敗 KURO-BOX:~# KURO-BOX:~# apt-get update ・ ・ ・ W: GPG error: ftp://ftp.dti.ad.jp squeeze Release: The following signatures cou ldn't be verified because the public key is not available: NO_PUBKEY AED4B06F47 3041FA W: You may want to run apt-get update to correct these problems KURO-BOX:~# -RSAキーの取得/追加 KURO-BOX:~# KURO-BOX:~# gpg --recv-keys AED4B06F473041FA gpg: requesting key 473041FA from hkp server keys.gnupg.net gpg: /root/.gnupg/trustdb.gpg: trustdb created gpg: key 473041FA: public key "Debian Archive Automatic Signing Key (6.0/squeeze) <ftpmaster@debian.org>" imported gpg: no ultimately trusted keys found gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) KURO-BOX:~# gpg --armor --export AED4B06F473041FA | apt-key add - OK KURO-BOX:~#