如果提示 Package zfsutils-linux is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source
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codename=$(lsb_release -cs);echo "deb http://deb.debian.org/debian $codename-backports main contrib non-free"|sudo tee -a /etc/apt/sources.list && sudo apt update