Ubuntu 18签名错误: W: GPG error: http://ppa.launchpad.net lucid Release:
2013-09-07 22:47
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在更新系统时,出现下面错误
W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 531EE72F4C9D234C
执行下面命令即可:
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 531EE72F4C9D234C
W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 531EE72F4C9D234C
执行下面命令即可:
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 531EE72F4C9D234C
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