これ # /etc/apt/sources.list deb mirror+file:/etc/apt/mirrors.txt jammy main restricted universe multiverse deb-src mirror+file:/etc/apt/mirrors.txt jammy main restricted universe multiverse deb mirror+file:/etc/apt/mirrors.txt jammy-updates main restricted universe multiverse deb-src mirror+file:/etc/apt/mirrors.txt jammy-updates main restricted universe multiverse deb http://security.ubuntu.com/ub
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