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Absolute OpenBSD, 2nd Edition by Michael W. Lucas

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Why Build Your Own OpenBSD?

Building your own upgrade from OpenBSD’s source is intended only for advanced users and those interested in developing OpenBSD and advanced users. You must be comfortable reading and compiling source code, debugging problems, and restoring from backup before even trying to build OpenBSD from source. In OpenBSD’s earlier days, I found upgrading from source to be the easiest way to move forward, but now upgrading via snapshot is much easier and much less error-prone. If there’s any way you can use an official binary release to install what you’re looking for, do so.

When you build OpenBSD from source, you are building the distribution sets that you installed via FTP or CD. The files might not be bundled up in distributions, ...

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