Debian /Ubuntu Linux GPG Key 匯入

每次加入新的 套件庫(sources.list), ex:

# mplayer
deb stable main
# skype
deb stable non-free
deb jaunty main
deb-src jaunty main

apt-get update, 就會出現 GPG error, 類似如下的訊息:

W: GPG error: unstable Release:
    The following signatures couldn't be verified
    because the public key is not available:
    NO_PUBKEY F1D53D8C4F368D5D NO_PUBKEY 010908312D230C5F
W: You may want to run apt-get update to correct these problems

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