ubuntu安装docker rancher

更新 APT 包索引：sudo apt-get update

安装用于验证包的包：sudo apt-get install apt-transport-https ca-certificates curl software-properties-common

添加 Docker 的官方 GPG 公钥：curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add –

验证公钥的指纹是否匹配：sudo apt-key fingerprint 0EBFCD88

添加 Docker 的稳定版本仓库：sudo add-apt-repository “deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable”

添加阿里云的Docker仓库地址：sudo add-apt-repository “deb [arch=amd64] http://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable”

再次更新 APT 包索引：sudo apt-get update

尝试重新安装 Docker：sudo apt-get install docker-ce

安装docker-compose: apt install docker-compose

挂载数据盘：

fdisk -l 查看磁盘状态
df -h 查询服务器硬盘使用情况
将dev/vdb 数据盘分区并挂载：进入主目录上 cd 回车执行 fdisk /dev/vdb 进行分区操作分别为 n、p、1、回车、回车、wq
格式化分区：mkfs.ext4 /dev/vdb1
根目录 cd /
创建文件夹 mkdir -p mesdata
挂载mount /dev/vdb1 /mesdata
重启自动挂载设置 1，获取新分区的UUID ：blkid （找到/dev/vdb1的行，记下UUID） 2，编辑/etc/fstab以添加自动挂载：sudo nano /etc/fstab 在文件末尾添加一行UUID=your-uuid /mesdata ext4 defaults 0 2

docker 设置：vim /etc/docker/daemon.json

{
“registry-mirrors”:[“https://registry.docker-cn.com”,”https://q59d4unt.mirror.aliyuncs.com”],
“insecure-registries”: [“0.0.0.0”],
“log-driver”:”json-file”,
“log-opts”:{
“max-size”:”500m”,
“max-file”:”3″
}
}

启用daemon：systemctl daemon-reload

重启docker：systemctl restart docker

docker run –privileged -d –name rancher –restart=unless-stopped -p 8080:80 -p 8443:443 -v /mesdata/rancher:/var/lib/rancher rancher/rancher:stable

rancher 无法启动排查：

以下处理是遇到[FATAL] k3s exited with: exit status 1的错误，
查看日志 rancher下k3s-cluster-reset.log  k3s.log 另外docker logs -f rancher
Ubuntu默认启用cgroup v2，修改支持v1
/etc/default/grub  增加GRUB_CMDLINE_LINUX="cgroup_memory=1 cgroup_enable=memory swapaccount=1 systemd.unified_cgroup_hierarchy=0"
update-grub
reboot

另外根据日志time="2022-06-20T10:34:16.530473756Z" level=fatal msg="starting kubernetes: preparing server: start managed 
database: cluster-reset was successfully performed, please remove the cluster-reset flag and start k3s normally, if you need to perform another cluster reset, you must first manually delete the /var/lib/rancher/k3s/server/db/reset-flag file" 删除reset-flag文件

在/etc/sysctl.conf中添加：
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
执行sysctl -p 时刷新

docker run --privileged -d --name rancher --restart=unless-stopped -p 8080:80 -p 8443:443 -v /mesdata/rancher:/var/lib/rancher -e CATTLE_SYSTEM_DEFAULT_REGISTRY=https://q59d4unt.mirror.aliyuncs.com -e CATTLE_BOOTSTRAP_PASSWORD=SmarteeMes2021 -e CATTLE_SYSTEM_CATALOG=bundled  mes/rancher:latest

docker run -d --privileged --name rancher --restart=unless-stopped -p 8080:80 -p 8443:443 -v /mesdata/rancher:/var/lib/rancher -e CATTLE_BOOTSTRAP_PASSWORD=SmarteeMes2021
  -e CATTLE_AGENT_IMAGE="registry.cn-hangzhou.aliyuncs.com/rancher/rancher-agent:v2.6.8" \
  registry.cn-hangzhou.aliyuncs.com/rancher/rancher:v2.6.8

sudo docker run -d --name rancher --restart=unless-stopped --privileged -p 8080:80 -p 8443:443 -v /var/rancher:/var/lib/rancher -v /var/rancher/registries.yaml:/etc/rancher/k3s/registries.yaml -e CATTLE_SYSTEM_DEFAULT_REGISTRY=registry.cn-hangzhou.aliyuncs.com -e CATTLE_BOOTSTRAP_PASSWORD=SmarteeMes2021 registry.cn-hangzhou.aliyuncs.com/rancher/rancher:v2.9.1


mirrors:
  # 私有仓库域名
  crpi-2ooy6l2xyewfpj4y.cn-shanghai.personal.cr.aliyuncs.com:
    endpoint:
      - "https://crpi-2ooy6l2xyewfpj4y.cn-shanghai.personal.cr.aliyuncs.com"
configs:
  "crpi-2ooy6l2xyewfpj4y.cn-shanghai.personal.cr.aliyuncs.com":
    auth:
      username: hi34841966@aliyun.com  # 这是私有镜像仓库的用户名
      password: xxx  # 这是私有镜像仓库的密码
~

docker run --privileged -d --name rancher --restart=unless-stopped -p 8080:80 -p 8443:443 -v /mesdata/rancher:/var/lib/rancher -e CATTLE_BOOTSTRAP_PASSWORD=SmarteeMes2021 -e CATTLE_SYSTEM_CATALOG=bundled -v /mesdata/registries.yaml:/etc/rancher/k3s/registries.yaml  mes/rancher:latest

cat > /etc/rancher/k3s/registries.yaml <<EOF
mirrors:
  docker.io:
    endpoint:
      - "https://registry.cn-hangzhou.aliyuncs.com/"
  quay.io:
    endpoint:
      - "https://quay.tencentcloudcr.com/"
  registry.k8s.io:
    endpoint:
      - "https://registry.aliyuncs.com/v2/google_containers"
  gcr.io:
    endpoint:
      - "https://gcr.m.daocloud.io/"
  k8s.gcr.io:
    endpoint:
      - "https://registry.aliyuncs.com/google_containers"
  ghcr.io:
    endpoint:
      - "https://ghcr.m.daocloud.io/"

https://forums.rancher.cn/t/failed-to-pull-image-rancher-mirrored-pause-3-6/1659/4

https://forums.rancher.cn/t/rancher2-x-rancher-shell-v0-1-19/2013/2

https://www.jianshu.com/p/c71b5a1918e1

http://docs.rancher.cn/docs/rancher2.5/installation/other-installation-methods/single-node-docker/_index

 journalctl -xef -u rancher-system-agent.service 
journalctl -xeu rke2-server.service

/etc/rancher/rke2/config.yaml.d/50-rancher.yaml 增加 system-default-registry":"registry.cn-hangzhou.aliyuncs.com",

systemctl list-units --type=service
systemctl restart rke2-server.service
systemctl restart rancher-system-agent

清理环境（参考命令，需要时使用）
rke清理脚本
rke2清理脚本
清理脚本清理命令都执行，没脚本下载脚本后再执行

sh clear-k8s.sh
/usr/local/bin/rke2-uninstall.sh
1
2
rke2集群搭建时，人工再度确认/var/lib、/etc、/opt等目录下，是否还要rancher、docker、k3s、kubernetes、containerd等rancher与k3s、k8s等残留信息

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