Welcome!
https://github.com/kubernetes/community/tree/master/contributors/guide#contributor-guide
If you aspire to grow scope in the SIG, please review the SIG Node contributor ladder for SIG specific guidance.
https://github.com/kubernetes/enhancements/tree/master/keps/sig-node
Code:
https://github.com/kubernetes/kubernetes/tree/master/cmd/kubelet
https://github.com/kubernetes/kubernetes/tree/master/pkg/kubelet
https://github.com/kubernetes/kubernetes/tree/master/pkg/probe
Development Resources:
https://github.com/kubernetes/community/tree/master/contributors/devel#table-of-contents
Shared space / Sub projects:
https://github.com/kubernetes/community/tree/master/contributors/devel/sig-node
https://github.com/kubernetes/community/tree/master/sig-node#subprojects
Triage: https://github.com/kubernetes/community/blob/master/contributors/devel/sig-node/triage.md
Task #1 : Compile kubelet See tips in the root Makefile
Task #2 : Run a single unit test
https://github.com/kubernetes/community/blob/master/contributors/devel/development.md#unit-tests
Task #3 : Explore update/verify scripts
hack/update-gofmt.sh + hack/verify-gofmt.sh
https://github.com/kubernetes/kubernetes/blob/master/hack/update-gofmt.sh
https://github.com/kubernetes/kubernetes/blob/master/hack/verify-gofmt.sh
Task #4 : Explore dependencies
hack/pin-dependency.sh + hack/update-vendor.sh
https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/vendor.md
Task #5 : Using local-up-cluster script
Running a local cluster
https://github.com/kubernetes/community/blob/master/contributors/devel/running-locally.md
Note: Task 5 requires Linux OS