Docker

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#安装命令
curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun

#启动docker
systemctl start docker
  
#设置开机启动
systemctl enable docker

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#创建存放文件夹
mkdir -p /datadisk/docker

#修改路径
vim /usr/lib/systemd/system/docker.service 
将
ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock 
修改为：
ExecStart=/usr/bin/dockerd --graph /datadisk/docker -H fd:// --containerd=/run/containerd/containerd.sock
  
#重启docker服务
systemctl daemon-reload
systemctl restart docker 
  
#重新查看docker info
docker info|grep 'Docker Root Dir'
Docker Root Dir: /datadisk/docker

#验证
#下载一个redis镜像
docker pull redis 
   
#查看sha256
# docker inspect -f {{".Id"}} redis
sha256:c33c9b2541a8fea04fe621e1e9d4e5973d9062f2a4eaac7a8d8b82c23c1b0aa8 
   
#查看存储目录
ls -l /data/docker/image/overlay2/imagedb/content/sha256/
总用量 8
-rw------- 1 root root 6648 12月 31 17:25 c33c9b2541a8fea04fe621e1e9d4e5973d9062f2a4eaac7a8d8b82c23c1b0aa8 

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#修改配置
vim /etc/docker/daemon.json

#配置docker镜像仓库
{
  "registry-mirrors": ["https://gx7o1moq.mirror.aliyuncs.com"]
}

#配置docker容器默认ip段
{
  "debug" : true,
  "default-address-pools" : [
    {
      "base" : "172.31.0.0/16",
      "size" : 24
    }
  ]
}

#配置docker容器日志大小
{
  "log-driver":"json-file",
  "log-opts": {
    "max-size":"500m",
    "max-file":"3"
  }
}

#重启docker
systemctl daemon-reload 
systemctl restart docker

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docker rm -f 1e560fca3906

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docker cp /www/runoob 96f7f14e99ab:/www/

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docker cp  96f7f14e99ab:/www /tmp/

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docker network inspect lss-net

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docker network create -d bridge lss-net

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docker network connect [网络] [容器]

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docker network rm [网络]

<h2><a id="_0"></a>安装</h2> <pre><div class="hljs"><code class="lang-shell"><span class="hljs-meta">#</span><span class="bash">安装命令</span> curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun <span class="hljs-meta"> #</span><span class="bash">启动docker</span> systemctl start docker <span class="hljs-meta"> #</span><span class="bash">设置开机启动</span> systemctl enable docker </code></div></pre> <h2><a id="docker_13"></a>配置docker默认存储位置</h2> <pre><div class="hljs"><code class="lang-shell"><span class="hljs-meta">#</span><span class="bash">创建存放文件夹</span> mkdir -p /datadisk/docker <span class="hljs-meta"> #</span><span class="bash">修改路径</span> vim /usr/lib/systemd/system/docker.service 将 ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock 修改为： ExecStart=/usr/bin/dockerd --graph /datadisk/docker -H fd:// --containerd=/run/containerd/containerd.sock <span class="hljs-meta"> #</span><span class="bash">重启docker服务</span> systemctl daemon-reload systemctl restart docker <span class="hljs-meta"> #</span><span class="bash">重新查看docker info</span> docker info|grep 'Docker Root Dir' Docker Root Dir: /datadisk/docker <span class="hljs-meta"> #</span><span class="bash">验证</span> <span class="hljs-meta">#</span><span class="bash">下载一个redis镜像</span> docker pull redis <span class="hljs-meta">#</span><span class="bash">查看sha256</span> <span class="hljs-meta">#</span><span class="bash"> docker inspect -f {{<span class="hljs-string">".Id"</span>}} redis</span> sha256:c33c9b2541a8fea04fe621e1e9d4e5973d9062f2a4eaac7a8d8b82c23c1b0aa8 <span class="hljs-meta">#</span><span class="bash">查看存储目录</span> ls -l /data/docker/image/overlay2/imagedb/content/sha256/ 总用量 8 -rw------- 1 root root 6648 12月 31 17:25 c33c9b2541a8fea04fe621e1e9d4e5973d9062f2a4eaac7a8d8b82c23c1b0aa8 </code></div></pre> <h2><a id="_48"></a>配置</h2> <pre><div class="hljs"><code class="lang-shell"><span class="hljs-meta">#</span><span class="bash">修改配置</span> vim /etc/docker/daemon.json <span class="hljs-meta"> #</span><span class="bash">配置docker镜像仓库</span> { "registry-mirrors": ["https://gx7o1moq.mirror.aliyuncs.com"] } <span class="hljs-meta"> #</span><span class="bash">配置docker容器默认ip段</span> { "debug" : true, "default-address-pools" : [ { "base" : "172.31.0.0/16", "size" : 24 } ] } <span class="hljs-meta"> #</span><span class="bash">配置docker容器日志大小</span> { "log-driver":"json-file", "log-opts": { "max-size":"500m", "max-file":"3" } } <span class="hljs-meta"> #</span><span class="bash">重启docker</span> systemctl daemon-reload systemctl restart docker </code></div></pre> <h2><a id="_85"></a>容器</h2> <h3><a id="_86"></a>删除容器</h3> <pre><div class="hljs"><code class="lang-shell">docker rm -f 1e560fca3906 </code></div></pre> <h3><a id="_91"></a>复制</h3> <h4><a id="wwwrunoob96f7f14e99abwww_92"></a>将主机/www/runoob目录拷贝到容器96f7f14e99ab的/www目录下</h4> <pre><div class="hljs"><code class="lang-shell">docker cp /www/runoob 96f7f14e99ab:/www/ </code></div></pre> <h4><a id="96f7f14e99abwwwtmp_96"></a>将容器96f7f14e99ab的/www目录拷贝到主机的/tmp目录中</h4> <pre><div class="hljs"><code class="lang-shell">docker cp 96f7f14e99ab:/www /tmp/ </code></div></pre> <h2><a id="_102"></a>网络</h2> <h3><a id="_lssnet__103"></a>查看网络 lss-net 的连接情况</h3> <pre><div class="hljs"><code class="lang-shell">docker network inspect lss-net </code></div></pre> <h3><a id="_lssnet_108"></a>创建新的网络 为lss-net</h3> <pre><div class="hljs"><code class="lang-shell">docker network create -d bridge lss-net </code></div></pre> <h3><a id="_112"></a>手动将指定网络与指定容器连接</h3> <pre><div class="hljs"><code class="lang-shell">docker network connect [网络] [容器] </code></div></pre> <h3><a id="_117"></a>删除网络</h3> <pre><div class="hljs"><code class="lang-shell">docker network rm [网络] </code></div></pre>