docker实战案例：操作系统
一、busyboxBusyBox 是一个集成了一百多个最常用Linux命令和工具的软件。BusyBox 包含了一些简单的工具，
例如ls、cat和echo等等，还包含了一些更大、更复杂的工具，例grep、find、mount以及telnet。
有些人将 BusyBox 称为 Linux 工具里的瑞士军刀。简单的说BusyBox就好像是个大工具箱，它集
成压缩了 Linux 的许多工具和命令，也包含了 Android 系统的自带的shell。
1、在dockerhub中搜索busybox相关的镜像
root@docker-test:~# docker search busybox
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
busybox Busybox base image. 1075
progrium/busybox 67
hypriot/rpi-busybox-httpd Raspberry Pi compatible Docker Image with ... 36
hypriot/armhf-busybox Busybox base image for ARM. 7
armhf/busybox Busybox base image. 3
armel/busybox Busybox base image. 2
onsi/grace-busybox 2
s390x/busybox Busybox base image. 2
p7ppc64/busybox Busybox base image for ppc64. 2
prom/busybox Prometheus Busybox Docker base images 2
aarch64/busybox Busybox base image. 2
arm32v7/busybox Busybox base image. 2
i386/busybox Busybox base image. 1
arm32v6/busybox Busybox base image. 1
ppc64le/busybox Busybox base image. 1
spotify/busybox Spotify fork of https://hub.docker.com/_/b... 1
flynn/busybox Busybox from Ubuntu 13.10 with libc 1
estesp/busybox Test repo of a 'manifest list' to encapsul... 0
podshumok/busybox 0
trollin/busybox 0
nranjan/busybox 0
arm64v8/busybox Busybox base image. 0
ddn0/busybox fork of official busybox 0
arm32v5/busybox Busybox base image. 0
himanshu0503/busybox 0
root@docker-test:~#
提示：带有OFFICIAL标记的说明是官方镜像
2、查看镜像
root@docker-test:~# docker images
busybox latest e3826c3cb1d4 4 weeks ago 1.129 MB
3、运行busybox
root@docker-test:~# docker run -it busybox
运行后随便执行几个命令试试
/ # pwd
/
/ # ifconfig
eth0 Link encap:EthernetHWaddr 02:42:C0:A8:C8:02
inet addr:192.168.200.2Bcast:0.0.0.0Mask:255.255.255.0
inet6 addr: fe80::42:c0ff:fea8:c802/64 Scope:Link
UP BROADCAST RUNNINGMTU:1500Metric:1
RX packets:7 errors:0 dropped:0 overruns:0 frame:0
TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:578 (578.0 B)TX bytes:578 (578.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNINGMTU:65536Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B)TX bytes:0 (0.0 B)
/ #
busybox虽然小巧，但提供了常见的linux命令
二、CoreOS
这是一个基于docker的Linux发行版
下载地址：https://stable.release.core-os.net/amd64-usr/current/coreos_production_vmware_ova.ova
用vmware workstation运行这个虚拟机
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