DevopsWiki

A wiki of Guides, Scripts, Tutorials related to devops

Table of Contents

1. Programming

   • Perl
   • C
   • Python
   • Javascript

2. Source Control

   • Git

3. Terminal

   • Bash
   • Tmux

4. Operating Systems

   • Linux

5. Editors

   • Vim
   • Code Editors

6. Security

7. Automation

   • Automation Guides

8. Other Bits

   • Awk
   • Sed
   • Backups
   • Email Server Configuration
   • Firewall and Monitoring
   • Philosophy
   • Data Structures
   • Video Tutorials
   • Continuous Integration
   • Docker
   • Devops Interview Questions

Tmux

tmux is a "terminal multiplexer", it enables a number of terminals (or windows) to be accessed and controlled from a single terminal. It can be installed via sudo apt-get install tmux or yum install tmux

A Quick and Easy Guide to Tmux

Tmux Shortcuts and Cheat Sheet

Git

Git Quick Start

Git Indepth Tutorial

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Bash Guides and Scripts

Useful bash one-liners

Real time file syncing daemon with inotify tools inotify tools example

Creating Init/Systemd Scripts

Building an RPM on CentOS

Bash Scripting Tutorials for Beginners

http://techarena51.com/index.php/a-beginners-guide-to-bash-scripting/

Bash variable Expansion

Bash Special Characters explained

Bash process substitution

Bash Indepth Tutorial

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Python Guides and Scripts

Python 3 String Encoding and Formatting

Python Local and Global Scopes

Python Regex for beginners

Building system monitoring apps in Python with Flask

Building a Database driven RESTFUL API in Python 3 with Flask

Building Database driven apps with MySQL or PostgreSQL using Python and SQLAlchemy ORM

http://techarena51.com/index.php/flask-sqlalchemy-postgresql-tutorial/

Token based Authentication with Pyjwt

Script to automatically Scaffold a database driven CRUD app in python

Psutil a cross-platform Python library for retrieving information on running processes and system utilization (CPU, memory, disks, network)

Automating web testing with Selenium

Flask Github Webhook Handler

Flask Web Sockets

Sending Email with Python

Understanding Threading and the Global Interpreter Lock

Packaging and Distributing Python Projects

Serving Python with Uwsgi

Python Indepth Tutorial

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Awk

An introduction to Awk

Text Processing examples with Awk

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Sed

An introduction and Tutorial

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Perl

Perl Regex CheatSheet - PDF

Perl Regex CheatSheet 2

Indepth Tutorial

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C

File I/O

C Programming Boot Camp

Beej's Guide to Network Programming

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Javascript

Quick Getting start with JS

JS Concepts ( Closures, Falsy, Functions, Immutable, Loops, Scope, Ternary, Truthy, Arrays)

Making API calls with ngResource

Using UI-Router for Client side routing

Token Based Authentication with Satellizer

21 Javascript Answers on Quora Every Developer Must Read

Visualizing data with D3.js

Websockets with Socket.io

JS indepth Tutorial and Guide

Server side JS with Nodejs

Cross Platform Desktop apps with Electron

End to End Testing with Protractor

JS resources

Linux Server Visualization using Websockets and Google style Gauges

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Automation Guides

Automating Server Configs with Puppet

Automating Server Configs with the SaltStack

Using Foreman, an Opensource Frontend for Puppet

Using StackStorm, an Opensource platform for integration and automation across services and tools.

Configure, build, repeat. – using the 3bot platform. - Der maschinelle Kollege - an article about using 3bot in German.

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Linux

Getting Started with Linux

Beginner Guides

Installing a VPN server on Linux

Installing Ruby on Rails on Linux

Installing Gunicorn on Linux

Installing Django on Linux

Troubleshooting Linux Server Memory Usage with PS_MEM

Troubleshooting Network issues with Tcpdump

Advance

How Linux CPU usage is Calculated

Linux System Calls

Linux One Second Boot

Debugging Programs on Linux with Strace

Continously Monitoring Processes on Linux with the Watch command

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Backups

BUP Git based Backup

Real time Backup Script written in bash

MySQL incremental Backup with Percona

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Security

Fail2Ban

Fail2ban - Block ip scanning on postfix

Configuring a Firewall for linux with CSF and LFD

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Email Server Configuration

Postfix configuration

Postfix Troubleshooting

Adding DMARC records

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Firewall and Monitoring

Monitoring Linux Servers with Monit

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Data Structures

• Stack vs Heap

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Code Editors

• Vim

  • Vim Cheat Sheet
  • Vim Regular Expressions 101

• Atom

• Brackets

• Sublime Text

• GNU Emacs

• Notepad++

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Video Tutorials

Sys Admin casts

Youtube Channel

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Continuous Integration

Deploying Code at Netflix

[Travis-CI Tutorial] (https://docs.travis-ci.com/user/languages/python)

Jenkins Tutorial

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Philosophy

Top Ten Tenets (Principles) of a System Administrator

The Twelve-Factor Software-As-A-Service App building methodology

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Devops Interview Questions

https://github.com/Leo-G/DevopsWiki/wiki/Devops-Interview-Questions

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Docker

English Docker Guides and Tutorials

Spanish Docker Guide

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