Linux离线安装docker

2022/1/25 7:06:28

本文主要是介绍Linux离线安装docker,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!

centos7-linux安装docker(离线方式)

  1. 下载docker的安装文件

https://download.docker.com/linux/static/stable/x86_64/

下载的是:docker-20.10.7.tgz 这个压缩文件

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  • 将docker-20.10.7.tgz文件上传到centos7-linux系统上,用ftp工具上传即可
    1. 解压
    [root@localhost java]# tar -zxvf docker-20.10.7.tgz
    
    1. 将解压出来的docker文件复制到 /usr/bin/ 目录下
    [root@localhost java]# cp docker/* /usr/bin/
    
    1. 进入/etc/systemd/system/目录,并创建docker.service文件
    [root@localhost java]# cd /etc/systemd/system/
    [root@localhost system]# touch docker.service
    
    1. 打开docker.service文件,将以下内容复制
    [root@localhost system]# vi docker.service
    

    注意: --insecure-registry=192.168.200.128 此处改为你自己服务器ip

    [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=192.168.200.128
    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
    

    1. 给docker.service文件添加执行权限
    [root@localhost system]# chmod 777 /etc/systemd/system/docker.service 
    
    1. 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)
    [root@localhost system]# systemctl daemon-reload 
    
    1. 启动
    [root@localhost system]# systemctl start docker
    
    1. 设置开机启动
    [root@localhost system]# systemctl enable docker.service
    
    1. 查看docker状态
    [root@localhost system]# systemctl status docker
    

    出现下面这个界面就代表docker安装成功。

    在这里插入图片描述

  • 配置镜像加速器,默认是到国外拉取镜像速度慢,可以配置国内的镜像如:阿里、网易等等。下面配置一下网易的镜像加速器。打开docker的配置文件: /etc/docker/daemon.json文件:
  • [root@localhost docker]# vi /etc/docker/daemon.json
    

    配置如下:

    {"registry-mirrors": ["http://hub-mirror.c.163.com"]}
    

    配置完后:wq保存配置并重启docker 一定要重启不然加速是不会生效的!!!

    [root@localhost docker]# service docker restart
    


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