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[EX01] Introduction to Yocto and course development platform

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Panu Sjövall
2022-08-08 11:57:11 +03:00
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# COMP.CE.460 Real-time systems
# COMP.CE.460 Embedded Linux Drivers
--------------------------------------------------------------------------------
## Important Notice about LFS
This project uses a Git extension for versioning large binary files called [Git Large File Storage][git-lfs].
Every clone of this repository **MUST** initialize the Git LFS extension. Immediately after a clone operation, inside the repository, the following command **MUST** be issued:
~~~bash
git lfs install
~~~
The above command will setup the correct *hooks* in the <u>local copy</u> of the repository: these *hooks* will automate the use of the LFS extension, so that, transparently, using the usual workflow of `git add`/`git commit`/`git push`, a selection of the files will be stored differently.
The course VM already includes all the required dependencies to use this extension.
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## Quick guide to resume your work after rebooting the VM
If you are using HTTPS remotes, you might want to run `git config --global credential.helper 'cache --timeout=3600'` before cloning: this way you will have to input your username and password only after 1 hour without interacting with your remote.
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1. `cd ~`
2. `git clone --recurse-submodules <STUDENT_REPO_URL> [<LOCAL_CLONE_DIR>]`
- by default, if you don't specify `<LOCAL_CLONE_DIR>` the local clone will be in `~/NN/`, if for any reason, during the first exercise you used a different name or path, make sure to replicate the one you used previously, or the layers configuration you committed previously will be incorrect;
3. `cd <LOCAL_CLONE_DIR>; git lfs install && git lfs pull`
## Quick guide to pull new exercise instructions
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If you need training to use Git, visit [Git Course in Plussa][git-plussa].
[moodle.COMP.CE.460]: https://moodle.tuni.fi/course/view.php?id=29722
[git-plussa]: https://plus.tuni.fi/tie-git/summer-2022/
[course_upstream project]: https://course-gitlab.tuni.fi/comp.ce.460-real-time-systems_2022-2023/course_upstream
[git-lfs]: https://git-lfs.github.com/
[moodle.COMP.CE.460]: https://moodle.tuni.fi/course/view.php?id=50067
[git-plussa]: https://plus.tuni.fi/tie-git/
[course_upstream project]: https://course-gitlab.tuni.fi/comp-ce-460-embedded-linux-drivers_2025-2026/course_upstream
[semipermanent-ssh-keys]: semipermanent-ssh-keys.md
[update_from_course_upstream]: https://course-gitlab.tuni.fi/comp.ce.460-real-time-systems_2022-2023/course_upstream/raw/master/scripts/update_from_course_upstream.sh
[update_from_course_upstream]: https://course-gitlab.tuni.fi/comp-ce-460-embedded-linux-drivers_2025-2026/course_upstream/raw/main/scripts/update_from_course_upstream.sh