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fix(content): correct verified technical facts across cgroups, namespaces, etcd and k8s sections

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- 12.3: daemon.json has no top-level cgroup-driver key; use exec-opts
  native.cgroupdriver (values cgroupfs/systemd) per official dockerd reference
- 12.2: USER namespace is not enabled by default; requires userns-remap
  (aligns with 18.1)
- 14.1: cgroup v1 deprecation and kubelet default-fail happen in v1.35, not
  v1.36 (per kubernetes.io cgroups doc)
- 15_etcd: maintenance window updated after etcd v3.7.0 release (2026-07-08)
  to 3.6/3.7
- 3.9.6: fix dangling sentence order in registry migration note
- tools: add 'from __future__ import annotations' so PEP 604 annotations run
  on Python 3.9 (fixes npm test)
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yeasy
2026-07-10 06:13:27 -07:00
parent bd944a2383
commit 8eabe30dc2
8 changed files with 13 additions and 12 deletions
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14_kubernetes_setup/14.1_kubeadm.md
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@@ -105,7 +105,7 @@ $ sudo modprobe br_netfilter
#### cgroup v2 要求：必须
Kubernetes v1.36 默认要求节点使用 cgroup v2。kubelet 在 cgroup v1 节点上默认会拒绝启动，但管理员可以在 kubelet 配置中设置 `failCgroupV1: false` 来兼容 cgroup v1（仅建议用于遗留系统过渡期）。验证节点是否支持 cgroup v2：
Kubernetes 自 v1.35 起弃用 cgroup v1，默认要求节点使用 cgroup v2。从 v1.35 开始，kubelet 在 cgroup v1 节点上默认会拒绝启动，但管理员可以在 kubelet 配置中设置 `failCgroupV1: false` 来兼容 cgroup v1（仅建议用于遗留系统过渡期）。验证节点是否支持 cgroup v2：
```bash
$ mount | grep cgroup2