docker

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什么是 Docker

◆使用最广泛的开源容器引擎

◆一种操作系统级的虚拟化技术

◆依赖于 Linux内核特性：Namespace和 Groups个简单的应用程序打包工具

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root@localhost -] docker run -i -t centos/bin/bash
Unable to find image centos: latest locally
Latest: Pulling from Library/centos
256b176beaff: Pull complete
Digest: sha256: 5d9lc5535c41fd1bb48d4058la2c8b 53d38fc2eb26df774556b 53c 5a0bd4d44e
Status: Downloaded newer image for centos: latest