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  • 转 linux 安装docker

     

     

    1、安装环境

    此处在Centos7进行安装,可以使用以下命令查看CentOS版本

    lsb_release -a

    在 CentOS 7安装docker要求系统为64位、系统内核版本为 3.10 以上,可以使用以下命令查看

    uname -r

    2、用yum源安装

    2.1 查看是否已安装docker列表

    yum list installed | grep docker

    2.2 安装docker

    yum -y install docker

    -y表示不询问安装,直到安装成功,安装完后再次查看安装列表

    2.3 启动docker

    systemctl start docker

    2.4 查看docker服务状态

    systemctl status docker

    以上说明docker安装成功

    3、离线安装模式

    百度云Docker 18.06.1地址:https://pan.baidu.com/s/1YdN9z72QutPkHBfLq06H1A 密码:dvvh

    3.1 安装包官方地址https://download.docker.com/linux/static/stable/x86_64/

    可以先下载到本地,然后通过ftp工具上传到服务器上,或者在服务器上使用命令下载

    wget https://download.docker.com/linux/static/stable/x86_64/docker-18.06.3-ce.tgz

    3.2 解压

    tar -zxvf docker-18.06.3-ce.tgz

    3.3 将解压出来的docker文件复制到 /usr/bin/ 目录下

    cp docker/* /usr/bin/

    3.4 在/etc/systemd/system/目录下新增docker.service文件,内容如下,这样可以将docker注册为service服务

    按 Ctrl+C 复制代码

    [Unit]
    Description=Docker Application Container Engine
    Documentation=https://docs.docker.com
    After=network-online.target firewalld.service
    Wants=network-online.target

    [Service]
    Type=notify
    # the default is not to use systemd for cgroups because the delegate issues still
    # exists and systemd currently does not support the cgroup feature set required
    # for containers run by docker
    ExecStart=/usr/bin/dockerd --selinux-enabled=false --insecure-registry=127.0.0.1
    ExecReload=/bin/kill -s HUP $MAINPID
    # Having non-zero Limit*s causes performance problems due to accounting overhead
    # in the kernel. We recommend using cgroups to do container-local accounting.
    LimitNOFILE=infinity
    LimitNPROC=infinity
    LimitCORE=infinity
    # Uncomment TasksMax if your systemd version supports it.
    # Only systemd 226 and above support this version.
    #TasksMax=infinity
    TimeoutStartSec=0
    # set delegate yes so that systemd does not reset the cgroups of docker containers
    Delegate=yes
    # kill only the docker process, not all processes in the cgroup
    KillMode=process
    # restart the docker process if it exits prematurely
    Restart=on-failure
    StartLimitBurst=3
    StartLimitInterval=60s

    [Install]
    WantedBy=multi-user.target

    按 Ctrl+C 复制代码

    此处的--insecure-registry=127.0.0.1(此处改成你私服ip)设置是针对有搭建了自己私服Harbor时允许docker进行不安全的访问,否则访问将会被拒绝。

    3.5 启动docker

    给docker.service文件添加执行权限

    chmod +x /etc/systemd/system/docker.service 

    重新加载配置文件(每次有修改docker.service文件时都要重新加载下)

    systemctl daemon-reload                

    启动

    systemctl start docker

    设置开机启动

    systemctl enable docker.service

    查看docker服务状态

    systemctl status docker

    上图表示docker已安装成功

    docker -v #查看Docker版本

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  • 原文地址:https://www.cnblogs.com/mayhh/p/12202181.html
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