如何修复 apt 错误：NO_PUBKEY C5E224500C1289C0
问题：
运行 apt update 时，你看到以下错误消息：
apt_error_no_pubkey_teamviewer.txt
Err:2 https://linux.teamviewer.com/deb stable InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C5E224500C1289C0解决方案
此错误是由于 teamviewer 仓库使用过时的（截至 2022 年 4 月）apt-key 导入密钥方法而发生的。
你可以使用以下命令导入密钥：
apt_no_pubkey_fix.sh
wget -q https://download.teamviewer.com/download/linux/signature/TeamViewer2017.asc -O- | gpg --dearmor | sudo tee /usr/share/keyrings/teamviewer-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/teamviewer-archive-keyring.gpg] https://linux.teamviewer.com/deb stable main" > /etc/apt/sources.list.d/teamviewer.list然后运行
apt_update.sh
apt update再次。
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