linux安装docker

官方文档：https://docs.docker.com/engine/install/centos/

阿里镜像站文档：https://developer.aliyun.com/mirror/docker-ce?spm=a2c6h.13651102.0.0.57e31b11YBqCbE

环境：centos7

一，安装docker

二，卸载docker

一，安装docker¶

1.卸载历史docker

yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

2.安装依赖

1	`yum install -y yum-utils device-mapper-persistent-data lvm2`

3.配置国内阿里云docker安装源

yum-config-manager \
--add-repo \
https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

4.更新源

yum makecache fast
yum -y install docker-ce

5.配置镜像加速

mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://4elmr4nx.mirror.aliyuncs.com"]
}
EOF
systemctl daemon-reload
systemctl restart docker

5.启动docker服务

1	`systemctl start docker`

二，卸载docker¶

卸载服务引擎

sudo yum remove docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-ce-rootless-extras

清理docker生成的

 sudo rm -rf /var/lib/docker
$ sudo rm -rf /var/lib/containerd

三、离线安装docker¶

官方文档：https://docs.docker.com/engine/install/binaries/#install-static-binaries

#1.下载二进制包（当前最新版本docker-24.0.7.tgz）：https://download.docker.com/linux/static/stable/
#2.解压包：
tar -xzvf docker-24.0.7.tgz
#3.拷贝二进制到/usr/bin
cp docker/* /usr/bin/
#4.后台启动dockerd
dockerd &
#5.测试命令
docker images
或则docker ps

systemctl服务：

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

[Service]
Type=notify
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s

[Install]
WantedBy=multi-user.target

加载服务

chmod +x /etc/systemd/system/docker.service
systemctl daemon-reload