Paco Xu

kernel version can be 4.4 & 4.19+; recommend version 5.8 for cgroup v2

3

For kernel long term support, see https://wiki.linuxfoundation.org/civilinfrastructureplatform/start and https://endoflife.date/linux - 4.4 & 4.19 are selected as kernel Super Long Term Support (SLTS), and the Civil Infrastructure Platform will provide support...

add a blog to introduce about kubeadm v1beta4

6

https://github.com/kubernetes/kubeadm/issues/2890

[linux] Add CIP Information

6

CIP is something ​super long-term maintenance for kernel. https://wiki.linuxfoundation.org/civilinfrastructureplatform/start

deps: Move from cloud.google.com/go/compute -> cloud.google.com/go

9

Signed-off-by: Paco Xu

Add blog article about cgroup v2

10

### Description In v1.31, we announce that cgroup v1 is now in maintenance mode. Top FAQs are 1. how to migrate? 2. what's the benifits? 3. can it cover all...

[WIP]Safe Sysctl 1.32 sync: net.ipv4.rmem and net.ipv4.wmem

3

This should be merged after https://github.com/kubernetes/kubernetes/pull/127489 was merged. xref https://github.com/kubernetes/kubernetes/issues/125234

alert prow plugin for no cla PR merges

8

https://kubernetes.slack.com/archives/C01672LSZL0/p1726321799185879 A prow plugin that can support sending alert to slack when a PR with `cncf-cla: no` label was merged. - like https://github.com/search?q=org%3Akubernetes+is%3Apr+is%3Amerged+label%3A%22cncf-cla%3A+no%22+created%3A%3E2023-01-01+&type=pullrequests

PodTolerationRestriction: ignore duplicates when changing pod toleration

23

#### What type of PR is this? /kind bug #### What this PR does / why we need it: Reproduce steps 1. make sure podtolerationrestriction is not enable at first....

[Do-Not-Merge]show the warnings for more details

20

#### What type of PR is this? /kind failing-test #### What this PR does / why we need it: #### Which issue(s) this PR fixes: xref https://github.com/kubernetes/kubernetes/issues/128171 #### Special notes...

add kernel version check for `kubeadm upgrade`

7

Currently, only root check and corefile migration check before upgrading node. ``` // RunRootCheckOnly initializes checks slice of structs and call RunChecks func RunRootCheckOnly(ignorePreflightErrors sets.Set[string]) error { checks := []Checker{...