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Deb files downloaded during ubuntu update

Source: Internet
Author: User
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I have installed Ubuntu on multiple computers. Every computer needs to download updates from the source. Isn't it a waste of network resources? I accidentally found that all downloaded files are in/var/cache/apt/archives. On the updated PC, rsync-ru/var/cache/apt/archives // media/disk-1/archives // media/disk-1 is the installation of my mobile hard drive. point. Then, when another computer has not been updated for a long time, multiple computers have installed Ubuntu, and each computer has to download updates from the source, isn't it a waste of network resources?

I accidentally found that all downloaded files are in/var/cache/apt/archives.

On the updated computer
Rsync-ru/var/cache/apt/archives // media/disk-1/archives/
/Media/disk-1 is the installation point of my mobile hard disk.

Then, the computer has not been updated for a long time.
Sudo rsync-ru/media/disk-1/archives // var/cache/apt/archives/

After a while, the computer also detected 30 updates, but did not re-download these updates, but directly installed them. This achieves the purpose of reuse.

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Related Keywords:
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