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content="centos7安装docker | 随言碎语"><meta itemprop="description" content=""></span><header class="post-header"><h1 class="post-title" itemprop="name headline">centos7安装docker</h1><div class="post-meta-container"><div class="post-meta"><span class="post-meta-item"><span class="post-meta-item-icon"><i class="far fa-calendar"></i> </span><span class="post-meta-item-text">发表于</span> <time title="创建时间2022-02-27 16:29:30" itemprop="dateCreated datePublished" datetime="2022-02-27T16:29:30+08:00">2022-02-27</time> </span><span class="post-meta-item"><span class="post-meta-item-icon"><i class="far fa-calendar-check"></i> </span><span class="post-meta-item-text">更新于</span> <time title="修改时间2023-05-02 22:22:12" itemprop="dateModified" datetime="2023-05-02T22:22:12+08:00">2023-05-02</time> </span><span class="post-meta-item" title="阅读次数" id="busuanzi_container_page_pv"><span class="post-meta-item-icon"><i class="far fa-eye"></i> </span><span class="post-meta-item-text">阅读次数:</span> <span id="busuanzi_value_page_pv"></span> </span><span class="post-meta-break"></span> <span class="post-meta-item" title="本文字数"><span class="post-meta-item-icon"><i class="far fa-file-word"></i> </span><span class="post-meta-item-text">本文字数:</span> <span>1.9k</span> </span><span class="post-meta-item" title="阅读时长"><span class="post-meta-item-icon"><i class="far fa-clock"></i> </span><span class="post-meta-item-text">阅读时长 &asymp;</span> <span>3 分钟</span></span></div></div></header><div class="post-body" itemprop="articleBody"><p>在cenos7上安装docker和docker-compose</p><span id="more"></span><h2 id="1-安装docker">1. 安装docker</h2><ol><li><p>确认内核版本符合要求(docker官方说至少3.8以上建议3.10以上)</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">[root@zmr-service ~]# uname -a</span><br><span class="line">Linux zmr-service 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux</span><br><span class="line">[root@zmr-service ~]#</span><br></pre></td></tr></table></figure></li><li><p>安装需要的软件包</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">[root@zmr-service ~]# yum install -y yum-utils device-mapper-persistent-data lvm2</span><br><span class="line"></span><br><span class="line"> yum-util 提供yum-config-manager功能另外两个是devicemapper驱动依赖的</span><br></pre></td></tr></table></figure></li><li><p>设置docker安装的yum源</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta prompt_"># </span><span class="language-bash">阿里仓库</span></span><br><span class="line">[root@zmr-service ~]# yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo</span><br></pre></td></tr></table></figure></li><li><p>查看所有仓库中所有docker版本</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">[root@localhost ~]# yum list docker-ce --showduplicates | sort -r</span><br><span class="line">已加载插件fastestmirror</span><br><span class="line">可安装的软件包</span><br><span class="line"> * updates: mirrors.cn99.com</span><br><span class="line">Loading mirror speeds from cached hostfile</span><br><span class="line"> * extras: mirrors.aliyun.com</span><br><span class="line">docker-ce.x86_64 3:19.03.2-3.el7 docker-ce-stable</span><br><span class="line">docker-ce.x86_64 3:19.03.1-3.el7 </span><br><span class="line">... ...</span><br><span class="line"></span><br><span class="line"></span><br></pre></td></tr></table></figure></li><li><p>安装Docker</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">[root@localhost ~]# yum install docker-ce -y</span><br><span class="line"></span><br><span class="line">表示直接安装最新的docker</span><br></pre></td></tr></table></figure></li><li><p>验证安装是否成功</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br></pre></td><td class="code"><pre><span class="line">[root@zmr-service ~]# docker version</span><br><span class="line">Client: Docker Engine - Community</span><br><span class="line"> Version: 23.0.3</span><br><span class="line"> API version: 1.42</span><br><span class="line"> Go version: go1.19.7</span><br><span class="line"> Git commit: 3e7cbfd</span><br><span class="line"> Built: Tue Apr 4 22:04:18 2023</span><br><span class="line"> OS/Arch: linux/amd64</span><br><span class="line"> Context: default</span><br><span class="line"></span><br><span class="line">Server: Docker Engine - Community</span><br><span class="line"> Engine:</span><br><span class="line"> Version: 23.0.3</span><br><span class="line"> API version: 1.42 (minimum version 1.12)</span><br><span class="line"> Go version: go1.19.7</span><br><span class="line"> Git commit: 59118bf</span><br><span class="line"> Built: Tue Apr 4 22:02:01 2023</span><br><span class="line"> OS/Arch: linux/amd64</span><br><span class="line"> Experimental: false</span><br><span class="line"> containerd:</span><br><span class="line"> Version: 1.6.20</span><br><span class="line"> GitCommit: 2806fc1057397dbaeefbea0e4e17bddfbd388f38</span><br><span class="line"> runc:</span><br><span class="line"> Version: 1.1.5</span><br><span class="line"> GitCommit: v1.1.5-0-gf19387a</span><br><span class="line"> docker-init:</span><br><span class="line"> Version: 0.19.0</span><br><span class="line"> GitCommit: de40ad0</span><br><span class="line"></span><br><span class="line"></span><br></pre></td></tr></table></figure></li><li><p>启动并加入开机启动</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">[root@localhost ~]# systemctl start docker</span><br><span class="line">[root@localhost ~]# systemctl enable docker</span><br></pre></td></tr></table></figure><h2 id="2-安装docker-compose">2.安装docker-compose</h2><ol><li><p>下载最新版本的 docker-compose 到 /usr/bin 目录下</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">curl -L https://github.com/docker/compose/releases/download/1.23.2/docker-compose-`uname -s`-`uname -m` -o /usr/bin/docker-compose</span><br><span class="line"><span class="meta prompt_"></span></span><br><span class="line"><span class="meta prompt_"># </span><span class="language-bash"></span></span><br><span class="line"><span class="language-bash"><span class="built_in">chmod</span> +x /usr/bin/docker-compose</span></span><br></pre></td></tr></table></figure></li><li><p>给 docker-compose 授权</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">chmod +x /usr/local/bin/docker-compose</span><br></pre></td></tr></table></figure></li><li><p>检查docker compose版本</p><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">[root@zmr-service ~]# docker-compose -v</span><br><span class="line">docker-compose version 1.25.0, build 0a186604</span><br></pre></td></tr></table></figure></li></ol></li></ol><h2 id="3-配置及优化">3.配置及优化</h2><a href="/2022/06/10/docker%E9%85%8D%E7%BD%AE%E5%8F%8A%E4%BC%98%E5%8C%96/" title="docker配置及优化">docker配置及优化</a></div><footer class="post-footer"><div><div style="text-align:center;color:#ccc;font-size:24px;padding-top:10px">--------------------------------------- The End ---------------------------------------</div></div><div class="post-copyright"><ul><li class="post-copyright-author"><strong>本文作者: </strong>小梦同学的blog</li><li class="post-copyright-link"><strong>本文链接:</strong> <a href="http://kiki.kim/2022/02/27/centos7%E5%AE%89%E8%A3%85docker/" title="centos7安装docker">http://kiki.kim/2022/02/27/centos7安装docker/</a></li><li class="post-copyright-license"><strong>版权声明: </strong>本博客所有文章除特别声明外,均采用 <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/zh-CN" rel="noopener" target="_blank"><i class="fab fa-fw 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