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As part of upgrading / rebuilding with Ubuntu 16.04 LTS and the sheer amount of packages that come with the upgrade or port fresh install, I looked into how to speed that up a bit further. I mentioned already before apt-cacher-ng to run a local proxy and avoid downloading the same packages over and over for multiple systems. However on 2 systems I have a huge amount of sources.lists which makes even the apt-get update process very slow / time consuming. So I looked into how to speed that one up bit. in Fedora/CentOS/RedHat there is a tool called deltarpm which adds support for downloading the deltas to generate new or updated packages. The there is a similar tool in Ubuntu / Debian. Debdelta “debdelta is a program suite designed to compute changes between Debian packages. These changes (deltas) are similar to the output of the “diff” program in that they may be used to […]

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