s3 bucket现在支持跨region的自动备份，设置好之后，在A region的bucket里面上传内容，会自动被复制到B region的设定bucket里面. 设置基本方法： 在源bucket上点右键Properties属性页可以看到Cross-Region Replication设定区域 目前只能给每个bucket设置一个repication bucket 开启cross-region replication的两个bucket自动会被设置versioning功能 可以只对源bucket下的某个目录设置...

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Salt, a new approach to infrastructure management, is easy enough to get running in minutes, scalable enough to manage tens of thousands of servers, and fast enough to communicate with those servers in seconds. Ubuntu 平台安装 SaltStack 准备安装环境： sudo apt-get install python-software-properties sudo add-apt-repository -y ppa:saltstack/salt sudo apt...

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