linux-centos离线安装docker,docker-composer

装好系统后,可以在虚拟机上,访问下行地址直接下载
https://download.docker.com/linux/static/stable/x86_64/

下载完毕后
tar -xvf docker-18.06.3-ce.tgz (解压刚刚下载的文件)
复制解压好的文件到 /usr/bin目录中

cp docker/* /usr/bin
将docker注册为service
vim /etc/systemd/system/docker.service
将下列配置加到docker.service中并保存

[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

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

启动
chmod +x /etc/systemd/system/docker.service #添加文件权限并启动docker
systemctl daemon-reload #重载unit配置文件
systemctl start docker #启动Docker
systemctl enable docker.service #设置开机自启

验证
systemctl status docker #查看Docker状态
linux-centos离线安装docker,docker-composer_第1张图片

docker -v #查看Docker版本
linux-centos离线安装docker,docker-composer_第2张图片
安装docker-compose

可以在虚拟机用git 下载
https://github.com/docker/compose/releases/
也可以用百度云盘下载

把文件直接下载到 /usr/local/bin目录下,或者可以复制到该目录下

sudo chmod +x /usr/local/bin/docker-compose (你下载的docker-compose文件)

sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
接下来可以测试一下是否安装成功

docker-compose --version (你下载的docker-compose文件名)

docker和docker-compose就安装完毕了

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