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[How do you set PowerShell's default directory?](https://stackoverflow.com/questions/32069265/how-do-you-set-powershells-default-directory) - 删除文件 ``` 阅读全文
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###QuickSight Amazon QuickSight允许您的企业中的所有人通过使用自然语言提问以了解您的数据,通过交互式控制面板探索,或自动查找由机器学习支持的模式和异常值。 ###Redshift Redshift is based on PostgreSQL, but it’s not 阅读全文
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using SQS: queue model using SNS: pub/sub model using Kinesis: real-time streaming model ###Amazon SQS – Standard Queue Oldest offering (over 10 years 阅读全文
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###CloudFront vs S3 Cross Region Replication CloudFront: Global Edge network Files are cached for a TTL (maybe a day) Great for static content that mu 阅读全文
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###S3 MFA-Delete MFA (multi factor authentication) forces user to generate a code on a device (usually a mobile phone or hardware) before doing import 阅读全文
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###AWS EC2 Instance Metadata AWS EC2 Instance Metadata is powerful but one of the least known features to developers It allows AWS EC2 instances to "l 阅读全文
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###Amazon S3 Overview - Buckets Amazon S3 allows people to store objects (files) in "buckets" (directories) Buckets must have a globally unique name B 阅读全文
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###Instantiating Applications quickly EC2 Instances: Use a Golden AMI: Install your applications, OS dependencies etc.. beforehand and launch your EC2 阅读全文
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###DNS Terminologies Domain Registrar: Amazon Route 53, GoDaddy, … DNS Records: A, AAAA, CNAME, NS, … Zone File: contains DNS records Name Server: res 阅读全文
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###RDS Backups Backups are automatically enabled in RDS Automated backups: Daily full backup of the database (during the maintenance window) Transacti 阅读全文
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###Why use a load balancer? Spread load across multiple downstream instances Expose a single point of access (DNS) to your application Seamlessly hand 阅读全文
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###What's an EBS Volume? They can only be mounted to one instance at a time (at the CCP level) They are bound to a specific availability zone ###EBS – 阅读全文
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IPv4 allows for 3.7 billion different addresses in the public space ###Elastic IPs - have a fixed public IP for your instance With an Elastic IP addre 阅读全文
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###Amazon EC2 (Elastic Compute Cloud) It mainly consists in the capability of : Renting virtual machines (EC2) Storing data on virtual drives (EBS) Di 阅读全文
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###IAM: Users & Groups Global service Root account created by default, shouldn’t be used or shared Users are people within your organization, and can 阅读全文
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https://infrastructure.aws/ ###AWS Regions AWS has Regions all around the world Names can be us-east-1, eu-west-3… A region is a cluster of data cente 阅读全文