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- disable nodesync
        nodesync disable


- run repair
nodetool repair --full
         (optional nodetool repair -j ‘max 4 threads’ -pr to reduce
pressure on cluster full repair, run one node at a time)

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#!/bin/sh 

VERSION=${VERSION:-1.6.1}
URL=https://github.com/prometheus/node_exporter/releases/download/v${VERSION}/node_exporter-${VERSION}.linux-amd64.tar.gz
FILENAME=${URL##*/}
ROOT_PATH=$PWD/opt/pkg
APP_ROOT_PATH=$ROOT_PATH/opt/node_exporter
ITERATION=${ITERATION:-1}
mkdir -p $APP_ROOT_PATH/script
curl -sLO $URL

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"${element(split(",", replace(replace(replace(replace(join(",", data.aws_subnet_ids.private.ids), "/subnet-ca201abd,/", ""), "/subnet-fc0870c1,/", ""), "/subnet-6630da5b/", ""), "/subnet-3f35c402,/", "")), count.index)}"

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#!/bin/sh 


date=`date +%Y-%m-%d -d "30 day ago"`


for region in us-east-1 us-west-2 ; do 
  aws ec2 describe-images --region $region --owners self --output text --filters 'Name=name,Values=IMAGE-NAME-*' --query 'Images[?CreationDate<=`'${date}'`][ImageId]' | grep -v `aws ec2 describe-instances --region $region --output text --filters 'Name=tag:Name,Values=IGNORE-STRING-*' --query 'Reservations[*].Instances[*].[ImageId]' | sed -n 1p` > remove_ami-$region.txt
    for remove in `cat remove_ami-$region.txt` ; do 
      aws ec2 deregister-image --region $region --image-id $remove

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{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "ECSAccess",
      "Effect": "Allow",
      "Action": [
        "ecs:Poll",
        "ecs:StartTask",

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resource "aws_cloudwatch_metric_alarm" "cpu_credits" {
  count = 2
  ...
  dimensions { InstanceId = "${element(list("i-07656896d6947814c", "i-042e664331a74e385"), count.index)}" }
  dimensions { InstanceId = "${element(aws_instance.my_instance.*.id, count.index)}" }
}

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#!/bin/bash

# Find the absolute path of the java executable
# follow all symlinks (to cover /etc/alternatives/java ...)

jpath=$(readlink -e $(which java))

if [[ "$jpath" != "" ]]; then
    while [[ "$jpath" != "/" ]]; do
        jpath=$(dirname $jpath)

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#!/bin/sh

email="email@example.com"

function runtest {
    "$@"
    local status=$?
    if [ $status -ne 0 ]; then
        echo "Script failed with error from '$@'" | mail -s "Script failure!" $email
        exit 0

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resource "aws_cloudwatch_metric_alarm" "example_host_alarm" {
    alarm_name          = "${aws_instance.example_host_alarm.id}"
    comparison_operator = "GreaterThanOrEqualToThreshold"
    evaluation_periods  = "2"
    metric_name         = "StatusCheckFailed_System"
    namespace           = "AWS/EC2"
    period              = "60"
    statistic           = "Maximum"
    threshold           = "1.0"
    alarm_description   = "Created from EC2 Console"

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data "terraform_remote_state" "network" {
  backend       = "s3"
  workspace     = "${terraform.workspace}"

  config {
    bucket      = "bucket-name"
    key         = "terraform.tfstate"
    region      = "${var.region}"
  }
}