DevopsWiki

A wiki of Guides, Scripts, Tutorials related to devops

![Devops tools] (http://i.imgur.com/GFKIa7V.png)

Table of Contents

Vim
Bash Guides and Scripts
Python Guides and Scripts
Awk Guides
Sed
Perl
C
Automation Guides
Git
Troubleshooting
Backups
Email Server Configuration
Firewall and Monitoring
Miscellaneous
Data Structures
Code Editors
Video Tutorials
Continuous Integration
Docker

##Vim

Vim Cheat Sheet

http://michael.peopleofhonoronly.com/vim/

Vim Regular Expressions 101

http://vimregex.com/

Bash Guides and Scripts

Real time file syncing daemon with inotify tools

https://github.com/Leo-G/backup-bash

http://techarena51.com/index.php/inotify-tools-example/

Creating Init/Systemd Scripts

http://techarena51.com/index.php/how-to-create-an-init-script-on-centos-6/

Building an RPM on CentOS

http://techarena51.com/index.php/build-rpm-without-breaking-head/

Bash Scripting Tutorials for Beginners

http://techarena51.com/index.php/bash-scripting-tutorial-part-2/

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

Bash variable Expansion

http://wiki.bash-hackers.org/syntax/pe

Bash Special Characters explained

http://mywiki.wooledge.org/BashGuide/SpecialCharacters

Bash process substitution

http://redpill-linpro.com/sysadvent/2015/12/12/bash-process-substitution.html

Bash Indepth Tutorial

http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO.html

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Python Guides and Scripts

Python 3 String Encoding and Formatting

http://www.diveintopython3.net/strings.html

Python Local and Global Scopes

https://automatetheboringstuff.com/chapter3/

Building system monitoring apps in Python with Flask

http://techarena51.com/index.php/how-to-install-python-3-and-flask-on-linux/

Building a Database driven RESTFUL API in Python 3 with Flask

http://techarena51.com/index.php/buidling-a-database-driven-restful-json-api-in-python-3-with-flask-flask-restful-and-sqlalchemy/

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

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

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

Token based Authentication with Pyjwt

http://techarena51.com/index.php/json-web-token-authentication-with-flask-and-angularjs/

Script to automatically Scaffold a database driven CRUD app in python

https://github.com/Leo-G/Flask-Scaffold

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

https://pypi.python.org/pypi/psutil

Automating web testing with Selenium

http://techarena51.com/index.php/install-selenium-linux-automate-web-tests/

Flask Github Webhook Handler

http://techarena51.com/index.php/flask-github-webhook-handler/

Flask Web Sockets

http://blog.miguelgrinberg.com/post/easy-websockets-with-flask-and-gevent

Understanding Threading and the Global Interpreter Lock

http://jessenoller.com/blog/2009/02/01/python-threads-and-the-global-interpreter-lock

Packaging and Distributing Python Projects

http://python-packaging-user-guide.readthedocs.org/en/latest/distributing/

Python Indepth Tutorial

https://automatetheboringstuff.com/

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Awk Guides

An introduction to Awk

http://www.grymoire.com/Unix/Awk.html

Text Processing examples with Awk

http://techarena51.com/index.php/advance-text-processing-examples-awk/

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Sed

An introduction and Tutorial

http://www.grymoire.com/Unix/Sed.html

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Perl

Perl Regex CheatSheet

http://www.erudil.com/preqr.pdf

http://www.rexegg.com/regex-quickstart.html

Indepth Tutorial

http://perlmaven.com/perl-tutorial

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C

File I/O

http://gribblelab.org/CBootcamp/10_Input_and_Output.html

C Programming Boot Camp

http://gribblelab.org/CBootcamp/

Beej's Guide to Network Programming

https://beej.us/guide/bgnet/

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##Automation Guides

Automating Server Configs with Puppet

http://techarena51.com/index.php/a-simple-way-to-install-and-configure-a-puppet-server-on-linux/

Automating Server Configs with the SaltStack

http://techarena51.com/index.php/getting-started-with-saltstack/

Using Foreman, an Opensource Frontend for Puppet

http://techarena51.com/index.php/using-foreman-opensource-frontend-puppet/

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

https://docs.stackstorm.com/overview.html#st2-overview

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##Git

Git Quick Start

http://rogerdudler.github.io/git-guide/

Git Indepth Tutorial

http://www.vogella.com/tutorials/Git/article.html#gitdefintion_tools1

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Troubleshooting

Troubleshooting Linux Server Memory Usage

http://techarena51.com/index.php/linux-memory-usage/

Troubleshooting Programs on Linux with Strace

http://www.redpill-linpro.com/sysadvent//2015/12/10/introduction-to-strace.html

Using Watch to continously Monitor a command

http://techarena51.com/index.php/watch-command-linux/

Troubleshooting with Tcpdump

http://techarena51.com/index.php/tcpdump-examples-to-capture-passwords/

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Backups

BUP Git based Backup

http://techarena51.com/index.php/using-git-backup-website-files-on-linux/

Real time Backup Script written in bash

https://github.com/Leo-G/backup-bash

MySQL incremental Backup with Percona

https://www.percona.com/doc/percona-xtrabackup/2.3/xtrabackup_bin/incremental_backups.html

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Email Server Configuration

Postfix configuration

http://techarena51.com/index.php/configure-secure-postfix-email-server/

Fail2ban configuration

http://techarena51.com/index.php/confiigure-fail2ban-block-brute-force-ips-scanning-postfix-logs/

Troubleshooting

http://techarena51.com/index.php/postfix-configuration-and-explanation-of-parameters/

Adding DMARC records

http://techarena51.com/index.php/what-is-dmarc-and-how-you-can-add-it/

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Firewall and Monitoring

Configuring a Firewall for linux with CSF and LFD

http://techarena51.com/index.php/how-to-configure-and-install-config-server-firewall-login-failure-daemon/

Monitoring Linux Servers with Monit

http://techarena51.com/index.php/how-to-install-monit-monitoring-service-on-your-linux-vps-server/

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Miscellaneous

Linux System Calls

http://www.digilife.be/quickreferences/qrc/linux%20system%20call%20quick%20reference.pdf

Linux one second boot

http://events.linuxfoundation.org/sites/events/files/slides/praesentation.pdf

Installing a VPN server on Linux

http://techarena51.com/index.php/how-to-install-an-opensource-vpn-server-on-linux/

Installing Ruby on Rails on Linux

http://techarena51.com/index.php/how-to-install-ruby-ruby-on-rails-and-phusion-passenger-on-centos/

Installing Gunicorn on Linux

http://techarena51.com/index.php/deploy-flask-on-ubuntu/

Installing Django on Linux

http://techarena51.com/index.php/install-django-1-7-on-linux/

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

http://12factor.net/

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Data Structures

Stack vs Heap

http://gribblelab.org/CBootcamp/7_Memory_Stack_vs_Heap.html

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Code Editors

Vim

http://www.vim.org/about.php

Atom

https://atom.io/docs/v0.196.0/getting-started-why-atom

Brackets

http://brackets.io/

Sublime Text

http://www.sublimetext.com/

GNU Emacs

https://www.gnu.org/software/emacs/

Notepad++

https://notepad-plus-plus.org/

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Video Tutorials

Sys Admin

http://sysadmincasts.com

Youtube Channel

https://www.youtube.com/channel/UCvA_wgsX6eFAOXI8Rbg_WiQ/feed

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Continuous Integration

Travis

https://docs.travis-ci.com/user/languages/python

Jenkins

http://www.vogella.com/articles/Jenkins/article.html

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Docker

Docker

http://blog.flux7.com/topic/docker

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License

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