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I've read about Ubuntu using multiarch to supply i386 packages where required. On a fresh install of Ubuntu 18.04.1 Server 64bit there is not /etc/dpkg/dpkg.cfg.d/multiarch file.

This leads me to believe that multiarch support is not enabled by default. Is my assumption correct, and does the 64bit install use i386 packages and libraries?

Am I likely to run into issues if my /etc/apt/sources.list file lines all start with deb [ arch=amd64 ] ..., or is there any plausible benefit to doing so?

I'm asking as I maintain a private mirror and could save resources by only mirroring the amd64 architecture.

Arronical
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1 Answers1

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An amd64 server installation does not have any i386 package installed by default. After that, i386 packages are installed if and only if the administrator installed them for some reason or other. Restricting your sources to amd64 packages will cause problems if and only if you require i386 packages; nobody can guess whether that is the case.

fkraiem
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