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apt-get updateで、There is no public key available と出た時の対処。

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debianサーバでapt-get updateを実施するとThere is no public key available for the following key IDsと警告が出た時の対処の備忘録です。

警告:There is no public key available

しばらく管理放置されていたDebianサーバで更新を行う事になり、apt-get updateを実施したところ、下記のような警告が出ました。

$ sudo apt-get update
<--snip-->
Fetched 18.1 MB in 10s (1,729 kB/s)                                                                                            
Reading package lists... Done
W: There is no public key available for the following key IDs:
9D6D8F6BC857C906
W: There is no public key available for the following key IDs:
7638D0442B90D010
W: There is no public key available for the following key IDs:
7638D0442B90D010
W: There is no public key available for the following key IDs:
7638D0442B90D010

対処方法

  • Debian開発者のGnuPG鍵とGnuPGアーカイブ鍵をインストール
$ sudo apt-get install debian-keyring debian-archive-keyring

参考情報

debian-keyring
debian-archive-keyring

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