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| //function type declaration | |
| typedef <function return type> * (* <function type name>)( <arg type>, ... ); //don't include variable names | |
| //instance | |
| <function type name> func; | |
| //usage | |
| func = &<function instance name>; |
kixorz
/ aws_lambda_public_ip.js
Last active
February 14, 2024 07:39
Function retrieving AWS Lambda public IP address. Copy and paste this to your Lambda console, use standard permissions, execute and observe the log to see the public IP address of your Lambda function.
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| var http = require('http'); | |
| exports.handler = function(event, context) { | |
| http.get('http://httpbin.org/get', function(res) { | |
| var body = ''; | |
| res.on('data', function(chunk) { | |
| body += chunk; | |
| }); | |
| res.on('end', function() { |
kixorz
/ cfn_coreos_ecs.json
Last active
November 8, 2019 14:38
— forked from kgorskowski/coreos-ecs-agent-cloudformation.template
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| { | |
| "Parameters" : { | |
| "KeyName" : { | |
| "Type" : "String", | |
| "Description" : "EC2 KeyPair" | |
| }, | |
| "ClusterName" : { | |
| "Type": "String", | |
| "Description" : "ECS Cluster name" | |
| }, |
kixorz
/ ec2hostname.rb
Last active
June 3, 2022 11:26
EC2 DNS load-balancing init.d script. Instances automatically register themselves in Route53 RecordSets and properly update their records when starting/shutting down. Instances need to use attached IAM role allowing them to modify the Route53 zone.
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| #!/usr/bin/ruby | |
| # chkconfig: 35 99 01 | |
| # description: EC2 DNS loadbalancing | |
| # processname: ec2hostname | |
| require 'aws-sdk' | |
| require 'net/http' | |
| `touch /var/lock/subsys/ec2hostname` |
kixorz
/ ec2hostname.rb
Last active
June 3, 2022 11:27
EC2 Instance Route53 Hostname registration init.d script. Instance needs to have the attached IAM instance role policy applied.
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| #!/usr/bin/ruby | |
| # chkconfig: 35 99 01 | |
| # description: EC2 DNS registration | |
| # processname: ec2hostname | |
| require 'aws-sdk' | |
| require 'net/http' | |
| `touch /var/lock/subsys/ec2hostname` |
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| taken from: | |
| http://support.stackdriver.com/customer/portal/articles/1491764-installing-the-stackdriver-agent-on-ubuntu-and-debian | |
| switch to root and: | |
| curl -o /etc/apt/sources.list.d/stackdriver.list http://repo.stackdriver.com/wheezy.list | |
| curl --silent https://app.stackdriver.com/RPM-GPG-KEY-stackdriver | apt-key add - | |
| apt-get update | |
| apt-get install libhiredis0.10 | |
| apt-get install stackdriver-agent |
kixorz
/ ubuntu-cloudformation.json
Last active
November 5, 2021 08:28
Ubuntu CloudFormation Tools installation snippet. Modified version of http://krunchtime.it/setting-up-bootstrapping-using-cfn-init-for-aws-ubuntu-ec2-instance
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| "UserData": { | |
| "Fn::Base64": { "Fn::Join":["", [ | |
| "#!/bin/bash -ex\n", | |
| "apt-get update\n", | |
| "apt-get -y install python-setuptools\n", | |
| "mkdir aws-cfn-bootstrap-latest\n", | |
| "curl https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz | tar xz -C aws-cfn-bootstrap-latest --strip-components 1\n", | |
| "easy_install aws-cfn-bootstrap-latest\n", | |
| "/usr/local/bin/cfn-init --stack ", { "Ref":"AWS::StackName" }, " --resource WebServer", " --region ", { "Ref": "AWS::Region" }, "\n", | |
| "\n", |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title></title> | |
| <script src="https://ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js"></script> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> | |
| </head> | |
| <body> | |
| <div id="ytapiplayer">You need Flash player 8+ and JavaScript enabled to view this video.</div> |
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| #!upstart | |
| description "<project>" | |
| author "<author>" | |
| env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin | |
| respawn | |
| start on runlevel [23] | |
| script |
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| Windows Registry Editor Version 5.00 | |
| [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] | |
| "DefaultUserName"="<username>" | |
| "DefaultPassword"="<password>" | |
| "AutoAdminLogon"="1" |
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