安装containerd

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已于 2022-11-28 14:22:17 修改

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分类专栏： linux k8s 文章标签： linux 运维服务器容器

于 2022-11-24 16:45:34 首次发布

本文链接：https://blog.youkuaiyun.com/qq_37550867/article/details/128018026

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本文档详细介绍了如何在Linux系统上手动安装containerd，并进行必要的配置，包括下载安装包、解压、复制文件到系统目录、启动服务以及修改配置文件。同时，还涵盖了crictl的下载、解压、配置和启动过程，确保能够成功运行容器。文章最后展示了如何测试安装是否成功。

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安装containerd

下载安装包

wget https://github.com/containerd/containerd/releases/download/v1.6.8/cri-containerd-cni-1.6.8-linux-amd64.tar.gz

解压压缩包

#创建一个单独目录
mkdir containerd
#解压到当前创建的目录
tar -zxvf cri-containerd-cni-1.6.8-linux-amd64.tar.gz -C containerd

将解压的文件，复制到系统的配置目录和执行目录

cp -a containerd/etc/systemd/system/containerd.service /etc/systemd/system
cp -a containerd/etc/crictl.yaml /etc
cp -a containerd/etc/cni /etc
cp -a containerd/usr/local/sbin/runc /usr/local/sbin
cp -a containerd/usr/local/bin/* /usr/local/bin
cp -a containerd/opt/* /opt

启动

[root@VM-24-8-centos etc]# systemctl daemon-reload
[root@VM-24-8-centos etc]# systemctl enable containerd --now 
Created symlink from /etc/systemd/system/multi-user.target.wants/containerd.service to /etc/systemd/system/containerd.service.

添加配置

[root@VM-24-8-centos etc]# mkdir /etc/containerd
[root@VM-24-8-centos etc]# containerd config default | tee /etc/containerd/config.toml

修改三个配置

1.   
    netns_mounts_under_state_dir = false
    restrict_oom_score_adj = false
    #找到sandbox_image配置，改为阿里云的地址
    #sandbox_image = "k8s.gcr.io/pause:3.6"
    sandbox_image = "registry.aliyuncs.com/google_containers/pause:3.6"
    selinux_category_range = 1024
    stats_collect_period = 10
    stream_idle_timeout = "4h0m0s"
    stream_server_address = "127.0.0.1"

2.
        [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
            BinaryName = ""
            CriuImagePath = ""
            CriuPath = ""
            CriuWorkPath = ""
            IoGid = 0
            IoUid = 0
            NoNewKeyring = false
            NoPivotRoot = false
            Root = ""
            ShimCgroup = ""
           #这里改成true
            SystemdCgroup = true

3.
#找到mirrors配置 配置如下
[plugins."io.containerd.grpc.v1.cri".registry.mirrors]
  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."docker.io"]
    endpoint = ["https://docker.mirrors.ustc.edu.cn"]
  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."k8s.gcr.io"]
    endpoint = ["https://registry.cn-hangzhou.aliyuncs.com/google_containers"]

安装crictl

下载

wget https://github.com/kubernetes-sigs/cri-tools/releases/download/v1.23.0/crictl-v1.23.0-linux-amd64.tar.gz

解压

tar -zxvf crictl-v1.23.0-linux-amd64.tar.gz -C /usr/local/bin

配置

cat > /etc/crictl.yaml <<EOF
runtime-endpoint: unix:///var/run/containerd/containerd.sock
image-endpoint: unix:///var/run/containerd/containerd.sock
timeout: 10
debug: false
pull-image-on-create: false
EOF

启动

systemctl daemon-reload

测试

[root@VM-24-8-centos data]# crictl images
IMAGE               TAG                 IMAGE ID            SIZE