Docker基础用法篇
作者：尹正杰
版权声明：原创作品，谢绝转载！否则将追究法律责任。
一.安装docker
1>.依赖的基础环境
64 bits CPU
Linux Kerner 3.10+(虽说Redhat 2.6.x内核也可以运行Docker，这是由于红帽为其打了很多补丁，但运行的稳定性极差，因此不推荐在生产环境中使用CentOS 6.x版本)
Linux Kernel cgroups and namespaces
2>.CentOS 7
“extras” repository仓库中存在docker的安装包，但是版本较低，因此我们不推荐使用CentOS自带的仓库软件包。
3>.下载docker-ce的仓库
[root@node101.yinzhengjie.org.cn ~]# cd /etc/yum.repos.d/ [root@node101.yinzhengjie.org.cn /etc/yum.repos.d]# [root@node101.yinzhengjie.org.cn /etc/yum.repos.d]# wget https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo --2019-10-16 21:32:50-- https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo Resolving mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)... 101.6.8.193, 2402:f000:1:408:8100::1 Connecting to mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)|101.6.8.193|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 2424 (2.4K) [application/octet-stream] Saving to: ‘docker-ce.repo’ 100%[=============================================================================================>] 2,424 --.-K/s in 0s 2019-10-16 21:32:50 (291 MB/s) - ‘docker-ce.repo’ saved [2424/2424] [root@node101.yinzhengjie.org.cn /etc/yum.repos.d]# [root@node101.yinzhengjie.org.cn /etc/yum.repos.d]# cat docker-ce.repo [docker-ce-stable] name=Docker CE Stable - $basearch baseurl=https://download.docker.com/linux/centos/7/$basearch/stable #不难发现这个地址依旧时Docker官网的地址，下载镜像速度可能还是很慢，我们需要手动修改。 enabled=1 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-stable-debuginfo] name=Docker CE Stable - Debuginfo $basearch baseurl=https://download.docker.com/linux/centos/7/debug-$basearch/stable enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-stable-source] name=Docker CE Stable - Sources baseurl=https://download.docker.com/linux/centos/7/source/stable enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-edge] name=Docker CE Edge - $basearch baseurl=https://download.docker.com/linux/centos/7/$basearch/edge enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-edge-debuginfo] name=Docker CE Edge - Debuginfo $basearch baseurl=https://download.docker.com/linux/centos/7/debug-$basearch/edge enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-edge-source] name=Docker CE Edge - Sources baseurl=https://download.docker.com/linux/centos/7/source/edge enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-test] name=Docker CE Test - $basearch baseurl=https://download.docker.com/linux/centos/7/$basearch/test enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-test-debuginfo] name=Docker CE Test - Debuginfo $basearch baseurl=https://download.docker.com/linux/centos/7/debug-$basearch/test enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-test-source] name=Docker CE Test - Sources baseurl=https://download.docker.com/linux/centos/7/source/test enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-nightly] name=Docker CE Nightly - $basearch baseurl=https://download.docker.com/linux/centos/7/$basearch/nightly enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-nightly-debuginfo] name=Docker CE Nightly - Debuginfo $basearch baseurl=https://download.docker.com/linux/centos/7/debug-$basearch/nightly enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [docker-ce-nightly-source] name=Docker CE Nightly - Sources baseurl=https://download.docker.com/linux/centos/7/source/nightly enabled=0 gpgcheck=1 gpgkey=https://download.docker.com/linux/centos/gpg [root@node101.yinzhengjie.org.cn /etc/yum.repos.d]# [root@node101.yinzhengjie.org.cn /etc/yum.repos.d]#