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In my use-case, I have Ubuntu machine which is part of organization network but disconnected from the Internet. Yet, somehow it should receive security updates.

How it is usually done in enterprises?

(for example, I know that for Windows machines IT distribute updates via Windows Update. Is there something similar for Linux?)

closed as too broad by Sven Mar 22 '18 at 14:05

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    apt-mirror for debian/ubuntu f.e. – Dennis Nolte Mar 22 '18 at 14:00
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    Landscape. Or do it yourself with apt-mirror. Or apt-offline if there is no IP network. – John Mahowald Mar 22 '18 at 14:09
  • Running a local mirror (apt-mirror) or only requested packages (apt-cacher-ng) – ivanivan Mar 22 '18 at 15:47
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I'm not sure about rpm based distribution as the main one Debian has no editor behind it, but for Red Hat Enterprise Linux you can use Satellite

It makes it possible to use your Red Hat subscription and then use it to register your RHEL machines. You can also push updates to the machines.

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