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http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/managing-users.html usually when use pem file as way to connect to a instance, it's not safe. Becau 阅读全文
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原因 即使在控制台创建 创建的alarm会在us-east-1 不会再其他区域,目前route53 metric 在其他区域不存在。 所以使用cloudformation 创建 route53 health check,请选择us-east-1 阅读全文
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How to use aws ec2 pem http://www.anthonychambers.co.uk/blog/rsync-to-aws-ec2-using-.pem-key/9 方法如下: -rave "ssh -i PEMKEYFILE.pem" 阅读全文
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jstack -l jvm_pid 运行以下代码之后运行上面命令,可以在控制台上看到死锁。 阅读全文
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一个庙里, 三个和尚,只有一个碗, 三个和尚都要吃饭,所以每次吃饭的时候, 三个和尚抢着碗吃。 package interview.java.difference.l05; public class WaitAndNotifyAndNotifyAll { static class Bowl{ pri 阅读全文
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Topics which I read based on the previous forum discussions Amazon DynamoDB January 2016 Day at the SF Loft - DynamoDB Design Patterns and Best Practi 阅读全文
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Unknown Endpoint: Inaccessible host: `dynamodb.us-east-1.amazonaws.com' 别慌!Docker容器内不能联网的6种解决方案 注:下面的方法是在容器内能ping通公网IP的解决方案,如果连公网IP都ping不通,那主机可能也上不了网( 阅读全文
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参照这篇文章 http://docs.aws.amazon.com/sdk-for-javascript/v2/developer-guide/loading-node-credentials-shared.html You can keep your AWS credentials data in 阅读全文
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if first time to install docker, be noted the docker engine started as root copied from: http://blog.163.com/s2006203387@126/blog/static/5331995720151 阅读全文
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first: create counter collection in mongodb:> db.counters.insert({_id:"entityId",seq:0})WriteResult({ "nInserted" : 1 }) then put below in a model.js: 阅读全文