DevopsWiki

https://github.com/Leo-G/DevopsWiki

A wiki of Guides, Scripts, Tutorials related to devops

Table of Contents

1. Vim
2. Bash Guides and Scripts
3. Python Guides and Scripts
4. Awk Guides
5. Sed
6. Automation Guides
7. Git
8. Troubleshooting
9. Backups
10. Email Server Configuration
11. Firewall and Monitoring
12. Miscellaneous
13. C programming
14. Data Structures
15. Code Editors
16. Video Tutorials
17. Continuous Integration
18. 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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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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C programming

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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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