Prajithp

Via AWS CLI using jq

(https://github.com/mwilliamson/jq.py)

aws ec2 describe-instances | jq '.Reservations[].Instances[] | select(.KeyName == "MyKey") | select(.State.Code != 48) | select(.Tags[]|select(.Key=="Name")|select(.Value=="InstanceName")) | [ .PublicIpAddress]'
 
aws ec2 describe-instances | jq '.Reservations[].Instances[] | select(.KeyName == "MyKey") | select(.State.Code != 48) | select(.Tags[]|select(.Key=="Name")|select(.Value=="InstanceName")) | [ .PublicIpAddress, (.Tags[]|select(.Key=="Name").Value)]'

aws ec2 describe-instances | jq '.Reservations[].Instances[] | select(.KeyName == "MyKey") | select(.State.Code != 48) | select(.Tags[]|select(.Key=="InventoryGroup").Value) | [ .PublicIpAddress, (.Tags[]|select(.Key=="Name").Value)]'

namrata4

-- turn off paging (less/more)
psql> \pset pager off

/*
Pager usage is off.
*/

-- find an object name by id

SELECT OID, relname

mtds

Virtual Networking on Linux

In the Linux Kernel, support for networking hardware and the methods to interact with these devices is standardized by the socket API:

                +----------------+
                |   Socket API   |
                +-------+--------+
                        |
User space              |

angristan

Elasticsearch settings for single-node cluster

1 shard, 0 replica.

For future indices

Update default template:

curl -X PUT http://localhost:9200/_template/default -H 'Content-Type: application/json' -d '{"index_patterns": ["*"],"order": -1,"settings": {"number_of_shards": "1","number_of_replicas": "0"}}' 

jona7o

#!/bin/bash

debug=0
if [[ $# -eq 0 ]] ; then
    echo 'usage: initCognitoUser [parameters]'
    echo 'paramters:'
    echo '-c --clientId: Cognito ClientId'
    echo '-i --poolId: Cognito UserPoolId'
    echo '-u --username: Username of new User'
    echo '-p --password: Password of new User'

mik-laj

GCP_CLUSTER_NAME=europe-west1-fluffy-bcad8335-gke
GCP_CLUSTER_ZONE=europe-west1-b

curl --cacert <(gcloud container clusters describe "${GCP_CLUSTER_NAME}" \
        --zone "${GCP_CLUSTER_ZONE}" \
        --format='value(masterAuth.clusterCaCertificate)' | base64 -d\
    ) \
    --header "Authorization: Bearer $(gcloud auth print-access-token)" \
    https://$(gcloud container clusters describe "${GCP_CLUSTER_NAME}" \
        --zone "${GCP_CLUSTER_ZONE}" \

niainaLens

###
PERSONAL COLLECTION OF MEMO
by https://github.com/niainaLens
###

Mr-LiuDC

/**
 * JENKINS_HOST/job/pipeline-job/pipeline-syntax/gdsl
 * https://gist.github.com/Mr-LiuDC/8a1fbe27e8fbd42361185b06085ef4c3
 *
 * All pipeline steps can be found here: https://www.jenkins.io/doc/pipeline/steps/
 */

// The global script scope
def ctx = context(scope: scriptScope())

mikesparr

#!/usr/bin/env bash

# REF: https://cloud.google.com/docs/enterprise/best-practices-for-enterprise-organizations

export PROJECT_ID=$(gcloud config get-value project)
export PROJECT_USER=$(gcloud config get-value core/account) # set current user
export PROJECT_NUMBER=$(gcloud projects describe $PROJECT_ID --format="value(projectNumber)")
export IDNS=${PROJECT_ID}.svc.id.goog # workflow identity domain

export GCP_REGION="us-west4" # CHANGEME (OPT)

jonico

def checkout () {
    context="continuous-integration/jenkins/"
    context += isPRMergeBuild()?"pr-merge/checkout":"branch/checkout"
    def scmVars = checkout scm
    setBuildStatus ("${context}", 'Checking out completed', 'SUCCESS')
    if (isPRMergeBuild()) {
      prMergeRef = "refs/pull/${getPRNumber()}/merge"
      mergeCommit=sh(returnStdout: true, script: "git show-ref ${prMergeRef} | cut -f 1 -d' '")
      echo "Merge commit: ${mergeCommit}"
      return [prMergeRef, mergeCommit]