164 lines
3.5 KiB
Markdown
164 lines
3.5 KiB
Markdown
---
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title: docker的安装卸载
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description: docker的安装与卸载
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published: true
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date: 2021-12-09T06:35:41.502Z
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tags: docker
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editor: markdown
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dateCreated: 2021-08-02T07:22:52.894Z
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---
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# 安装Docker
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## CentOS
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#### 自动安装
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```bash
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$ curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
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```
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#### 手动安装
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##### 卸载旧版本
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```bash
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$ sudo yum remove docker \
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docker-client \
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docker-client-latest \
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docker-common \
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docker-latest \
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docker-latest-logrotate \
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docker-logrotate \
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docker-engine
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```
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或者查看已经安装的docker
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```bash
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$ yum list installed |grep docker
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```
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##### 安装
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[官方安装传送门](https://docs.docker.com/engine/install/centos/)
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###### 下载依赖
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[选择对应CentOS版本](https://download.docker.com/linux/centos/)
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下载stable版本的两个文件，这里是CentOS7.5
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最新安装
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- containerd.io-1.4.9-3.1.el7.x86_64.rpm
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- docker-ce-20.10.8-3.el7.x86_64.rpm
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旧版本安装
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- containerd.io-1.2.5-3.1.el7.x86_64.rpm
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- docker-ce-selinux-17.03.2.ce-1.el7.centos.noarch.rpm
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- docker-ce-cli-18.09.4-3.el7.x86_64.rpm
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- docker-ce-17.03.2.ce-1.el7.centos.x86_64.rpm
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###### 执行安装
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```bash
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$ yum install -y docker-ce-selinux-17.03.2.ce-1.el7.centos.noarch.rpm
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$ yum install -y docker-ce-17.03.2.ce-1.el7.centos.x86_64.rpm
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```
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#### 离线安装
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环境：contos7.3(内核需为3.10+)
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```bash
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$ cat /etc/redhat-release
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# CentOS Linux release 7.3.1611 (Core)
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```
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[安装包传送门](https://download.docker.com/linux/static/stable/x86_64/)
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这里下载的版本是：docker-19.03.9.tgz
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1. 解压与安装
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```bash
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$ cd /usr/local/resource/docker
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$ tar -xzvf docker-18.06.3-ce.tar
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# 将二进制文件移动到bin下
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$ mv /usr/local/resource/docker/docker/* /usr/bin/
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```
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2. 编写 docker.service
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```bash
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$ vim /etc/systemd/system/docker.service
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```
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3. 将以下内容粘贴进去：
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```service
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[Unit]
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Description=Docker Application Container Engine
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Documentation=https://docs.docker.com
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After=network-online.target firewalld.service
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Wants=network-online.target
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[Service]
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Type=notify
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# the default is not to use systemd for cgroups because the delegate issues still
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# exists and systemd currently does not support the cgroup feature set required
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# for containers run by docker
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ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
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ExecReload=/bin/kill -s HUP $MAINPID
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# Having non-zero Limit*s causes performance problems due to accounting overhead
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# in the kernel. We recommend using cgroups to do container-local accounting.
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LimitNOFILE=infinity
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LimitNPROC=infinity
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LimitCORE=infinity
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# Uncomment TasksMax if your systemd version supports it.
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# Only systemd 226 and above support this version.
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#TasksMax=infinity
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TimeoutStartSec=0
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# set delegate yes so that systemd does not reset the cgroups of docker containers
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Delegate=yes
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# kill only the docker process, not all processes in the cgroup
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KillMode=process
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# restart the docker process if it exits prematurely
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Restart=on-failure
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StartLimitBurst=3
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StartLimitInterval=60s
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[Install]
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WantedBy=multi-user.target
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```
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4. 授予执行权限
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```bash
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$ chmod +x /etc/systemd/system/docker.service
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```
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5. 重载service
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```bash
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$ systemctl daemon-reload
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```
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#### 启动docker
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设置开机启动
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```bash
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$ systemctl enable docker
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```
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启动
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```bash
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$ systemctl start docker
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```
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#### 删除
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##### 删除安装包
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```bash
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$ yum remove docker-ce
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```
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##### 删除镜像、容器、配置文件等
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```bash
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$ rm -rf /var/lib/docker
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``` |