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Find region from within an EC2 instance
... I tried to use it. I have the following code which seems to work though:
EC2_AVAIL_ZONE=`curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone`
EC2_REGION="`echo \"$EC2_AVAIL_ZONE\" | sed 's/[a-z]$//'`"
Hope this helps.
EDIT: Improved sed based on comments
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AWS ssh access 'Permission denied (publickey)' issue [closed]
How to connect to a AWS instance through ssh?
20 Answers
20
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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...换时的网络中断。因此需要客户端和服务器端都能够保留消息收发状态，在网络恢复正常后继续发送；而且卫星链路带宽低（当然也有高带宽的），通信流量费用高昂；因此需要尽量节省传输的消息的流量开销；有些数据发送失...
MQTT 之保留消息（Retained Messages） - 创客硬件开发 - 清泛IT社区，为创新赋能！
保留消息定义 如果PUBLISH消息的RETAIN标记位被设置为1，则称该消息为“保留消息”；Broker对保留消息的处理 Broker会存储每个Topic的最后一条保留消息及其Qos，当订阅该Topic的客户端上线后，Broker需要将该消息投递给它。A r...
Do you get charged for a 'stopped' instance on EC2? [closed]
...image on S3 [EBS])
Elastic IP addresses
Bandwidth
So... if you stop the EC2 instance you will only have to pay for the storage of the image on S3 (assuming you store an image ofcourse) and any IP addresses you've reserved.
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WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance
I'm working to set up Panda on an Amazon EC2 instance.
I set up my account and tools last night and had no problem using SSH to interact with my own personal instance, but right now I'm not being allowed permission into Panda's EC2 instance.
Getting Started with Panda
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Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...用Linux命令kill –l查看操作系统支持的信号类型。
3.4 消息队列
消息队列是消息的链接表，存放在内核中并由消息队列标识符（Queue ID）标识，有足够权限的进程可以向队列中添加消息，被赋予读权限的进程则可以读走队列...
Windows x64编程中寄存器的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
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RCX
Volatile
First integer argument
RDX
Volatile
Second integer argument
R8
Volatile
Third integer argument
R9
Volatile
Fourth integer argument
R10:R11
Volatile
Must be preserved as needed by caller; used in syscall/sysret instructions
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Possible reasons for timeout when trying to access EC2 instance
...t can I do to resolve it? Rebooting normally takes a long time to take effect, and might just makes things worst
24 Answer...
开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...言物联网开发者需要为自己的物联网项目选择合适的 MQTT 消息产品或服务，从而构建可靠高效的基础数据层，保障上层物联网业务。目前市面上有很多开源的 MQTT 产品，在性能功能等方面各有优点。本文将选取目前最为流行的两...