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Windows command	Unix command	Notes
set	env	Set on Windows prints a list of all environment variables. For individual environment variables, set is the same as echo $ on Unix.
set Path	export $PATH	Print the value of the environment variable using set in Windows.
set PROJ	--	result: PROJ=c:\project
echo %PROJ%	echo $PROJ	result: c:\project

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Nginx Cheat Sheet

(from Understanding Nginx Server and Location Block Selection Algorithms - https://goo.gl/YyzshP)

• Alphabetical index of directives
• Alphabetical index of variables
• Documentation

server {

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YAML Syntax for Ansible

• http://docs.ansible.com/ansible/YAMLSyntax.html
• http://docs.ansible.com/

Lists

• Option 1:

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# ENABLE NODE
kc uncordon $NODE
kubectl taint nodes $NODE dedicated-

# NODE ID
export NODE=

# DISABLE NODE
kc drain $NODE --ignore-daemonsets
kubectl taint nodes $NODE dedicated=special-user:NoExecute

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##--------------------------
##  Terraform: Functions  ##
##--------------------------
## Open terraform console
terraform console

#######################
## Numeric Functions ##
#######################

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Jenkins plugins

You can read more about each plugin using the SEARCH box at Jenkins homepage.

• ChuckNorris Plugin: Displays a picture of Chuck Norris (instead of Jenkins the butler) and a random Chuck Norris 'The Programmer' fact on each build page.

Maintenance

• thinBackup: This plugin simply backs up the global and job specific configurations (not the archive or the workspace).
• JobConfigHistory Plugin: Saves copies of all job and system configurations.

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AWS Certified Solutions Architect Professional Cheat Cheets for Senior Engineer

Practice

• https://www.examtopics.com/exams/amazon/aws-certified-solutions-architect-professional/view/
• https://www.udemy.com/course/aws-solutions-architect-professional-practice-exams-amazon
• https://www.udemy.com/course/aws-certified-solutions-architect-professional-aws-practice-exams/
• https://app.linuxacademy.com/challenges/7888f62b-4fdb-4a1d-a7c5-a02b46e3280f

SLA and Multi-Regions setup

For 2 9s (99%) and 3 9s (99.9%) scenario, a single region setup is enough.

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Vagrant Cheat Sheet

add image

local

$ vagrant box add {title} {url}
$ vagrant init {title}
$ vagrant up

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Troubleshooting linux MEMORY usage

This entry will hopefully show you how to troubleshoot memory used by Linux and application.

Linux System Memory usage

Display amount of free and used memory in the system (-m = in megas)

$ free -m

total used free shared buffers cached

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<?php
/**
 * Generate a list of Status Cake Ip addresses 
 * To add allowed IPs to Nginx or Firewall
 * from: https://www.statuscake.com/kb/knowledge-base/what-are-your-ips/
 */

$statuscake_locations_json = "https://app.statuscake.com/Workfloor/Locations.php?format=json";
$locations = json_decode(file_get_contents($statuscake_locations_json));
$output = "#STATUS CAKE IPs" . "\n";