diff --git a/sources/tech/20141127 How to install Docker on CentOS 7.md b/translated/tech/20141127 How to install Docker on CentOS 7.md similarity index 53% rename from sources/tech/20141127 How to install Docker on CentOS 7.md rename to translated/tech/20141127 How to install Docker on CentOS 7.md index 31bcce6697..7c06ab283b 100644 --- a/sources/tech/20141127 How to install Docker on CentOS 7.md +++ b/translated/tech/20141127 How to install Docker on CentOS 7.md @@ -1,29 +1,27 @@ -[felixonmars translating...] - -How to install Docker on CentOS 7 +如何在 CentOS 7 上安装 Docker ================================================================================ -Docker is an open-source tool that makes creating & managing **Linux containers(LXC)** easy. Containers are like lightweight VMs which can be started & stopped in milliseconds. Dockers help the system admin & coders to develop their application in a container and can further scale up to 1000 of nodes. +Docker 是一个开源工具，它可以让创建和管理 **Linux 容器**变得简单。容器就像是轻量级的虚拟机，并且可以以毫秒级的速度来启动或停止。Docker 帮助系统管理员和程序员在容器中开发应用程序，并且可以扩展到成千上万的节点。 -The main difference between container and VM(Virtual machine) is that dockers provide **process based isolation** , whereas VM provides full isolation of resources. Virtual machine takes a minute to start where as container can be started in a second or less than a second. Container uses the Kernel of host OS , whereas VM uses the separate Kernel. +容器和 VM（虚拟机）的主要区别是，容器提供了**基于进程的隔离**，而虚拟机提供了资源的完全隔离。虚拟机可能需要一分钟来启动，而容器只需要一秒钟或更短。容器使用宿主操作系统的内核，而虚拟机使用独立的内核。 -One of the limitation of Docker is that it can be used only on **64bit hosts** OS. +Docker 的局限性之一是，它只能用在 **64 位**的操作系统上。 -In this post we will discuss how to install docker in CentOS 7.x +在这篇文章中我们将讨论如何在 CentOS 7.x 中安装 docker。 -### Installation of Docker on CentOS 7 ### +### CentOS 7 中 Docker 的安装 ### -Docker package is included in the default CentOS-Extras repository. So to install docker , simply run below yum command : +Docker 软件包已经包括在默认的 CentOS-Extras 软件源里。因此想要安装 docker，只需要运行下面的 yum 命令： [root@localhost ~]# yum install docker -### Start the Docker Service ### +### 启动 Docker 服务 ### -Once the Installation is finished , start docker service and enable it at boot using below commands +安装完成后，使用下面的命令来启动 docker 服务，并将其设置为开机启动： [root@localhost ~]# service docker start [root@localhost ~]# chkconfig docker on -**Download the official Centos images Locally** +**下载官方的 CentOS 镜像到本地** [root@localhost ~]# docker pull centos Pulling repository centos @@ -33,7 +31,7 @@ Once the Installation is finished , start docker service and enable it at boot u 511136ea3c5a: Download complete 5b12ef8fd570: Download complete -**Verify CentOS images that have been fetched :** +**确认 CentOS 镜像已经被获取：** [root@localhost ~]# docker images centos REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE @@ -42,12 +40,12 @@ Once the Installation is finished , start docker service and enable it at boot u centos centos7 ae0c2d0bdc10 2 weeks ago 224 MB centos latest ae0c2d0bdc10 2 weeks ago 224 MB -**Run a Docker Container :** +**运行一个 Docker 容器：** [root@localhost ~]# docker run -i -t centos /bin/bash [root@dbf66395436d /]# -As we can see centos container has been started and we got the bash shell. In docker command we have used options like ‘-i attaches stdin and stdout’ and ‘-t allocates a terminal or console’ . To disconnect from container type exit . +我们可以看到，CentOS 容器已经被启动，并且我们得到了 bash 提示符。在 docker 命令中我们使用了 “-i attach 标准输入输出”和 “-t 分配一个终端或控制台”选项。若要断开与容器的连接，输入 exit。 [root@cd05639b3f5c /]# cat /etc/redhat-release CentOS Linux release 7.0.1406 (Core) @@ -55,12 +53,12 @@ As we can see centos container has been started and we got the bash shell. In do exit [root@localhost ~]# -We can also search Containers based on fedora & ubuntu OS. +我们还可以搜索基于 Fedora 和 Ubuntu 操作系统的容器。 [root@localhost ~]# docker search ubuntu [root@localhost ~]# docker search fedora -**Display the list of running containers ** +**显示当前正在运行容器的列表** ![](http://www.linuxtechi.com/wp-content/uploads/2014/11/docker-ps.png)