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Credits to:

# Airtel specific
https://github.com/paambaati/airtel-usage
https://gist.github.com/r4um/3414116

# General Bash help
StackOverflow
nixCraft/Vivek Gite

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# Harry Potter comes to your bash
# All ye muggles, make life a little magical

accio() {
  # Bring files here (to $CWD)
  mv $@ .;
};

stupefy() {
  # Temporarily stop processes

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<TaskerData sr="" dvi="1" tv="4.8u5m">
	<Task sr="task49">
		<cdate>1470858510504</cdate>
		<edate>1470869694940</edate>
		<id>49</id>
		<nme>Notification Sms Cleanup</nme>
		<pri>100</pri>
		<Action sr="act0" ve="7">
			<code>355</code>
			<Str sr="arg0" ve="3">%sms_retention_rules</Str>

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;; A demo of Extempore (https://github.com/digego/extempore)
;; Based on tutorials from http://benswift.me/extempore-docs/index.html
;; and tutorials from the source (https://github.com/digego/extempore/tree/master/examples)

;; Step 1 - Fetch source and compile
;; Step 2 - Configure the editor and get a hang of the keyboard shortcuts
;; Step 3 - Evaluate the following code samples one block at a time

;; extempore basics
;; What is the time now

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echo '1
2
3
4
5' | awk '{sum += $0} END {print sum}'

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##################### Elasticsearch Configuration Example #####################

# This file contains an overview of various configuration settings,
# targeted at operations staff. Application developers should
# consult the guide at <http://elasticsearch.org/guide>.
#
# The installation procedure is covered at
# <http://elasticsearch.org/guide/en/elasticsearch/reference/current/setup.html>.
#
# Elasticsearch comes with reasonable defaults for most settings,

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• 1.json contains data retrieved from the Instagram API. data is an array of media matching the query posted to Instagram's REST API, in a JSON array.
• Each media element contains metadata for a photo/video posted to Instagram
• .data[] loops over each media object in the JSON file, letting us process each element
• | works like a regular *nix pipe, taking the output of the previous operator and passing it on to the next one.
• select() filters through objects depending on the rule passed to it.
• .tags[] returns an array of tags for each media. contains() returns true if the current object passed to it contains the string passed as a parameter. .tags[] | contains("100happydays") iterates over all the tags associated with the media object and returns true if the current tag matches the string 100happydays.
• .select( .tags[] | contains("100happydays") ) filters all media objects that contain the tag 100happydays
• .images.standard_resolution.url now

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%:
  convert postit-blank.png -draw "text 25, 60 $(filter-out $@,$(MAKECMDGOALS))" -pointsize 40 | lp

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$ ln -s /var/www/wordpress /path/to/wordpress/directory

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$ locate [expression]