On 24.10.2026 21:23, Brian Brombacher wrote:

On Oct 24, 2026, at 2:17 PM, Thomas Kupper <[email protected]> wrote:

[email protected] wrote on 24.10.2026 06:41:
Hello,
I have an encrypted installation of OpenBSD 7.9 i386 on a hard drive. This is 
on a computer with no internet connection, completely offline. Is there a way 
to upgrade to 8.0 using a USB drive? If so, how?

You can rsync an OpenBSD mirror's i386 files to an USB stick and point 
sysupgrade to it. And point installurl(5) to the USB stick. Needs quite a lot 
of space but same method can be used for later updates.


The file “install80.img” was created for this purpose.

https://www.openbsd.org/faq/faq4.html



On Oct 24, 2026, at 2:17 PM, Thomas Kupper <[email protected]> wrote:

[email protected] wrote on 24.10.2026 06:41:
Hello,
I have an encrypted installation of OpenBSD 7.9 i386 on a hard drive. This is on a computer with no internet connection, completely offline. Is there a way to upgrade to 8.0 using a USB drive? If so, how?

You can rsync an OpenBSD mirror's i386 files to an USB stick and point sysupgrade to it. And point installurl(5) to the USB stick. Needs quite a lot of space but same method can be used for later updates.


The file “install80.img” was created for this purpose.

https://www.openbsd.org/faq/faq4.html <https://www.openbsd.org/faq/ faq4.html>

But you still need to update all installed apps and for that a local repo somewhere will be necessary.

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