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一、基础环境

1. Centos 7环境
2. 下载docker 包 ，我们演示的是19.3.12

下载地址

3. 将下载好的压缩包上传至服务器下

二、开始安装

1. 解压docker 包

tar -zxvf docker-19.03.12.tgz

2. 将解压后的文件复制到/usr/bin下

cp docker/* /usr/bin

3. 将docker注册为service

vi /etc/systemd/system/docker.service

复制下列配置到docker.service并保存(:wq)

[Unit]

Description=Docker Application Container EngineDocumentation=https://docs.docker.comAfter=network-online.target firewalld.serviceWants=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 dockerExecStart=/usr/bin/dockerdExecReload=/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=infinityLimitNPROC=infinityLimitCORE=infinity

# Uncomment TasksMax if your systemd version supports it.

# Only systemd 226 and above support this version.

#TasksMax=infinityTimeoutStartSec=0

# set delegate yes so that systemd does not reset the cgroups of docker containersDelegate=yes

# kill only the docker process, not all processes in the cgroupKillMode=process

# restart the docker process if it exits prematurelyRestart=on-failureStartLimitBurst=3StartLimitInterval=60s 

[Install]

WantedBy=multi-user.target

三、启动docker

1. 给配置文件添加权限

chmod +x /etc/systemd/system/docker.servi ce

2. 重载配置文件

systemctl daemon-reload

3. 启动Docker

systemctl start docker

4. 设置开机自启

systemctl enable docker.service 

Tip:如果报错检查Selinux是否关闭

四、关闭selinux

1. 查看selinux是否启用

 /usr/sbin/sestatus -v

2. 关闭selinux（将状态修改为disabled）

vi /etc/selinux/config

3. 重启系统生效

reboot

Tip:enabled 开启状态 disabled 关闭状态

五、docker portainer开启

上传portainer包https://download.csdn.net/download/qq_27884227/85501735

docker load < portainer.tar

docker run -d -p 9000:9000 --restart=always -v /var/run/docker.sock:/var/run/docker.sock --name dockerui portainer:v19.0.3

六、安装docker-compose

将docker-compose文件上传到 /usr/local/bin
修改权限并查看版本

sudo chmod +x /usr/local/bin/docker-compose
docker-compose -v

七、docker 日志添加

vi /etc/docker/daemon.json

加入以下内容

{ 
   
"log-driver":"json-file",
"log-opts":{ 
    "max-size" :"100m","max-file":"1"}
}