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Absolute OpenBSD, 2nd Edition by Michael W. Lucas

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Chapter 20. Upgrading

The latest source code? Fugu extraordinary! Be brave and swallow.

Here’s an ugly truth: If upgrades are hard, sysadmins try their best to avoid them. And that can cause security problems. Operating system upgrades can cause software that has worked well for years to develop nervous tics or stop working altogether. Fixing add-on packages that don’t work on the new operating system version can require days of troubleshooting. Server upgrades can make even seasoned sysadmins wish that they had a simpler job, such as performing as a carnival sideshow, stuffing weasels into their trousers.

While you can probably deal ...

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