furquanuddin94

#!/bin/bash

#Script to access server boxes
#Put the script in any directory present on system's $PATH. Make the file executable via "chmod +x portkey". Then use "portkey help" for instructions on how to use.
#Prerequirements: Install JQ and Sponge

homeDir=$( echo $HOME )
configFile="${homeDir}/portkey.conf"
paramCount="$#"
if [ "$paramCount" = "0" ] || [ "$1" = "help" ]

namuan

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[*]'

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[*].Tags[?Key==`Name`]'

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[?Tags[?starts_with(Value, `registration`)]]'

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[?Tags[?starts_with(Value, `email`)]]'

aws autoscaling describe-auto-scaling-groups --query 'AutoScalingGroups[] | [?contains(Tags[?Key==`Name`].Value, `email-01`)]' --output table

palashkulsh

aws ec2 describe-instances --filters "Name=tag:Service,Values=marketplace-esclus" | jq '.Reservations[].Instances[] | "\(.PrivateIpAddress) , \(.EbsOptimized) , \(.SubnetId) , \(.Placement.AvailabilityZone) , \(.Tags[]| select(.Key == "Hostname") | .Value) , \(.InstanceType)"'

andyrbell

# use ImageMagick convert
# the order is important. the density argument applies to input.pdf and resize and rotate to output.pdf
convert -density 90 input.pdf -rotate 0.5 -attenuate 0.2 +noise Multiplicative -colorspace Gray output.pdf

vkroz

Kafka frequent commands

Assuming that the following environment variables are set:

• KAFKA_HOME where Kafka is installed on local machine (e.g. /opt/kafka)
• ZK_HOSTS identifies running zookeeper ensemble, e.g. ZK_HOSTS=192.168.0.99:2181
• KAFKA_BROKERS identifies running Kafka brokers, e.g. KAFKA_BROKERS=192.168.0.99:9092

Server

Start Zookepper and Kafka servers

erikcas

10-14 05:32:14.995  2330  3714 D TelephonyRegistry: listen oscl: hasNotifySubscriptionInfoChangedOccurred==false no callback
10-14 05:32:15.002  4339  4539 I chatty  : uid=1001(radio) RILReceiver0 expire 28 lines
10-14 05:32:14.737  1409  1756 I chatty  : uid=1001(radio) /system/bin/rild expire 11 lines
10-14 05:32:14.746  1409  1726 I chatty  : uid=1001(radio) /system/bin/rild expire 11 lines
10-14 05:32:14.756  4339  4339 I chatty  : uid=1001(radio) com.android.phone expire 178 lines
10-14 05:32:14.770  2330  2330 D TelephonyRegistry: notifyCellLocationForSubscriber: subId=0 cellLocation=Bundle[{cid=-1, lac=-1, psc=-1}]
10-14 05:32:14.771  4339  4642 I chatty  : uid=1001(radio) Binder_5 expire 1 line
10-14 05:32:14.826  2330  4252 D TelephonyRegistry: listen oscl: hasNotifySubscriptionInfoChangedOccurred==false no callback
10-14 05:32:14.913  4339  4641 I chatty  : uid=1001(radio) Binder_4 expire 2 lines
10-14 05:32:14.925  2330  4337 D TelephonyRegistry: notifySubscriptionInfoChanged: first invocation mRec

favadi

#!/bin/bash

# Build latest version of Emacs, version management with stow
# OS: Ubuntu 14.04 LTS
# version: 24.5
# Toolkit: lucid

# Warning, use updated version of this script in: https://github.com/favadi/build-emacs

set -e

miguelmota

var request = require('request')
var zlib = require('zlib')

request(url, {encoding: null}, (err, response, body) => {
  if(response.headers['content-encoding'] == 'gzip'){
    zlib.gunzip(body, (err, dezipped) => {
      callback(dezipped.toString())
    })
  } else {
    callback(body)

inh3

valgrind --leak-check=full node --expose_gc script.js

branneman

Better local require() paths for Node.js

Problem

When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:

const Article = require('../../../../app/models/article');

Those suck for maintenance and they're ugly.

Possible solutions