K3s学习笔记

Sunmy Lv5
  2023-06-30 16:56:57 2023-06-30 16:56:57 创建   2025-06-29 21:05:24 2025-06-29 21:05:24 更新      362 字  2 分钟  

K3s

安装

Server节点安装

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# 方法1
curl -sfL https://get.k3s.io | sh -

# 方法2
root@google:/home/ldspdvs# curl -sfL https://get.k3s.io | K3S_KUBECONFIG_MODE="744" sh -s - server --flannel-backend=vxlan --token 12345

# 中国
curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn sh -

查看Server kubeconfig 文件

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root@google:/home/ldspdvs# cat /etc/rancher/k3s/k3s.yaml
apiVersion: v1
clusters:
- cluster:
    certificate-authority-data: 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
    server: https://127.0.0.1:6443
  name: default
contexts:
- context:
    cluster: default
    user: default
  name: default
current-context: default
kind: Config
preferences: {}
users:
- name: default
  user:
    client-certificate-data: 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
    client-key-data: LS0tLS1CRUdJTiBFQyBQUklWQVRFIEtFWS0tLS0tCk1IY0NBUUVFSUxYWVVNUXlqMDRobUJTRzlNSll1MHlqUVBtbXNXSTVIdVUrRlFFUkhvdVZvQW9HQ0NxR1NNNDkKQXdFSG9VUURRZ0FFM1RRdERJS0FrK1dUOHJUEGETPODJYV3EvdVV5bEJGNURrd1R0YWNCMUVkbWJLK1NMV1VWTgpDGETprUnB2QTRuMTYxUTk0VC84Sk5ZYmtpcDc1MTB6TnpnPT0KLS0tLS1FTkQgRUMgUFJJVkFURSBLRVktLS0tLQo=
root@google:/home/ldspdvs#

Agent节点安装

Server 查看Token

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root@google:/home/ldspdvs# cat /var/lib/rancher/k3s/server/node-token
K100f8b7f090838618d5458e454db076f13dac95d6999594ddbceb723ec7a005e4d::server:471fa1591fbac45218573dab2fabe3cb
root@google:/home/ldspdvs#

Agent 加入

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# Agent 节点在加入server节点的时候，会因网络问题导致加入失败，可通过以下方法解决，具体见参考
root@aws:/home/ubuntu# iptables -t nat -A OUTPUT -d Server内网IP -j DNAT --to-destination Server外网IP

# 方法1
root@aws:/home/ubuntu# curl -sfL https://get.k3s.io | K3S_URL=https://myserver:6443 K3S_TOKEN=mynodetoken sh -

# 方法2
root@aws:/home/ubuntu# curl -sfL https://get.k3s.io | K3S_URL=https://myserver:6443 K3S_TOKEN=12345 sh -

# 中国
root@aws:/home/ubuntu# curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn K3S_URL=https://myserver:6443 K3S_TOKEN=mynodetoken sh -

卸载

Server 卸载

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root@google:/home/ldspdvs# /usr/local/bin/k3s-uninstall.sh

Agent 卸载

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root@google:/home/ldspdvs# /usr/local/bin/k3s-agent-uninstall.sh

Kuboard部署

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sudo docker run -d \
  --restart=unless-stopped \
  --name=kuboard \
  -p 80:80/tcp \
  -p 10081:10081/tcp \
  -e KUBOARD_ENDPOINT="http://YOUR_IP:80" \
  -e KUBOARD_AGENT_SERVER_TCP_PORT="10081" \
  -v /root/kuboard-data:/data \
  eipwork/kuboard:v3

参考链接

https://docs.k3s.io/zh/

https://www.maosi.vip/2022/01/08/运维相关：死磕k3s和rancher/

  • 标题: K3s学习笔记
  • 作者: Sunmy
  • 创建于 : 2023-06-30 16:56:57
  • 更新于 : 2025-06-29 21:05:24
  • 链接: https://ldspdvsun.github.io/cmchvp8g1002bh0gbb276848i/
  • 版权声明: 版权所有 © Sunmy，禁止转载。
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目录
K3s学习笔记
  1. K3s
  2. 安装
    1. Server节点安装
    2. 查看Server kubeconfig 文件
    3. Agent节点安装
      1. Server 查看Token
      2. Agent 加入
  3. 卸载
    1. Server 卸载
    2. Agent 卸载
  4. Kuboard部署
  5. 参考链接