September 2016
Intermediate to advanced
989 pages
24h 10m
English
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Sharing downloads
You will usually work on several projects simultaneously, probably for different hardware platforms or different target images. In such cases, it is important to optimize the build times by sharing downloads.
Getting ready
The build system runs a search for downloaded sources in a number of places:
- It tries the local
downloadsfolder. - It looks into the configured premirrors, which are usually local to your organization.
- It then tries to fetch from the upstream source as configured in the package recipe.
- Finally, it checks the configured mirrors. Mirrors are public alternate locations for the source.
If a package source is not found in any of the these four, the package build will fail with an error. Build warnings are also issued when ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.