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Can I upgrade Gentoo from one release to another without reinstalling?

April 26, 2017Gentoo reinstalling release upgrade

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Can I upgrade Gentoo from one release to another without reinstalling?

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In fact, there is no difference between the various releases after they have been installed. Gentoo 1.4 and later are glibc-2.3.x based. As such, running emerge –sync && emerge -uDN world will bring your entire system up to speed with the “latest Gentoo”. The differences between individual releases lie in the installation medium and pre-compiled packages. See the Gentoo Upgrading Guide for more information about profiles and their role in upgrading.