I just want to centralize my findings and bookmarks in a central location, and share them.

# Collaboration
* [Ben Balter](http://ben.balter.com/2014/11/06/rules-of-communicating-at-github/) - 15 rules for communicating at GitHub
* [Dale Emery](http://cwd.dhemery.com/2005/05/motivation) - model of motivation : Motivation = Ability × Results × Preferences
* [Jbrains.ca](http://blog.jbrains.ca/permalink/what-if-we-forget-to-write-the-tests) - What If We Forget To Write the Tests?
- [Paul Kaye](https://www.linkedin.com/pulse/control-stifles-creativity-growth-paul-kaye) - Control stifles creativity and growth
* [Corinna Baldauf](http://wall-skills.com/2017/glasls-stages-of-conflict-escalation/) - Glasl’s Stages of Conflict Escalation
* [Wall-Skills](http://wall-skills.com/) - Great 1-pagers to share in your company
* [Corinna Baldauf](http://wall-skills.com/2016/team-self-selection-kit/) - Team Self-Selection Kit
* [Corinna Baldauf](http://wall-skills.com/2016/silence-a-room-in-5-seconds/) - Silence a Room in 5 Seconds
* [Corinna Baldauf](http://wall-skills.com/2016/tuckmans-stages-of-team-development/) - Tuckman’s Stages of Team Development

# Creativity
* [Innovating Now!](https://innovatingnow.wordpress.com/2011/05/05/ck-theory/) - CK Theory : The Concept Knowledge Theory

# DevOps
* [Derek E. Weeks](https://devops.com/21-devops-docker-reference-architectures/) - 21 DevOps and Docker Reference Architectures
* [Derek E. Weeks](https://devops.com/31-reference-architectures-devops-continuous-delivery/) - 31 Reference Architectures for DevOps and Continuous Delivery. [Slides here](https://www.slideshare.net/SonatypeCorp/nexus-and-continuous-delivery)
* [Adam Hawkins](https://semaphoreci.com/community/tutorials/getting-started-with-vagrant) - Getting Started with Vagrant
* [mitchellh/vagrant](https://github.com/mitchellh/vagrant/issues/1755) - Re-associate vagrant with vm
* [Varying-Vagrant-Vagrants/VVV](https://github.com/Varying-Vagrant-Vagrants/VVV/wiki/Connect-to-Your-Vagrant-Virtual-Machine-with-PuTTY) - Connect to Your Vagrant Virtual Machine with PuTTY
* [Hashicorp](https://atlas.hashicorp.com/puppetlabs) - Official Puppet Vagrant boxes
* [Willem Meints](http://fizzylogic.nl/2015/01/27/building-containerized-apps-with-vagrant/) - Building Containerized Apps With Vagrant

## Ansible
* [Ansible Docs](http://docs.ansible.com/ansible/playbooks_best_practices.html) - Best Practices
* [Ansible Galaxy](https://galaxy.ansible.com/list#/roles?page=1&page_size=10) - Ansible Galaxy Roles
* [Scarlz](http://www.tricksofthetrades.net/2017/03/20/ansible-adhoc-modules/) - Tricks of the Trades : Ansible - Ad Hoc Commands and Modules
* [Ansible](https://www.ansible.com/blog/ansible-performance-tuning) - Ansible Performance Tuning (for Fun and Profit)
* [Ansible Docs](http://docs.ansible.com/ansible/playbooks_filters.html) - Jinja2 Filters 
* [Jinja2 Docs](http://jinja.pocoo.org/docs/dev/templates/#builtin-filters) - Templates and Builtin filters
* [Remy Van Elst](https://raymii.org/s/tutorials/Ansible_-_Only_if_a_file_exists_or_does_not_exist.html) - Ansible - Only if a file exists or does not exist
* [Ansible Docs](http://docs.ansible.com/ansible/intro_configuration.html) - Available settings in Ansible configuration file
* [Jensd](http://jensd.be/587/linux/tips-tricks-for-ansible) - Tips & tricks for Ansible
* [Maxim Chernyak](http://hakunin.com/six-ansible-practices) - 6 practices for super smooth Ansible experience 
* [Nick Janetakis](https://github.com/nickjj/rolespec) - RoleSpec : A test library for testing Ansible roles
* [Justin Ellingwood](https://www.digitalocean.com/community/tutorials/how-to-manage-multistage-environments-with-ansible) - How to Manage Multistage Environments with Ansible
* [Stack Overflow](https://stackoverflow.com/questions/32526774/multistage-deployment-with-ansible) - Multistage deployment with ansible
* [Osvaldo Toja](http://toja.io/using-host-and-group-vars-files-in-ansible/) - Organizing Group Vars Files in Ansible
* [Ross Tuck](http://rosstuck.com/multistage-environments-with-ansible/) - Multistage environments with Ansible
* [Ross Tuck](http://rosstuck.com/slightly-faster-ansible-testing-with-vagrant/) - (Slightly) Faster Ansible Testing with Vagrant
* [Jeff Geerling](https://github.com/geerlingguy?utf8=%E2%9C%93&tab=repositories&q=ansible&type=&language=) - Lot of good ansible roles examples
* [Maxime Thoonsen](https://www.theodo.fr/blog/2015/10/best-practices-to-build-great-ansible-playbooks/) - Best practices to build great Ansible playbooks
* [Jon Warbrick](https://gist.github.com/andreicristianpetcu/b892338de279af9dac067891579cad7d) - (2014) An Ansible summary : Ansible Cheat Sheet (for Ansible 1.7)
* [Ansible Docs](http://docs.ansible.com/ansible/playbooks_lookups.html) - Lookups
* [Ansible Docs](http://docs.ansible.com/ansible/playbooks_variables.html) - Variables
* [Roland Wolters](https://liquidat.wordpress.com/2016/02/29/useful-options-ansible-cli/) - Useful command line options for ansible-playbook
* [Ansible Docs](http://docs.ansible.com/ansible/playbooks_checkmode.html) - Check Mode ("Dry Run") - because you just want to test sometimes 
* [Ansible Docs](http://docs.ansible.com/ansible/playbooks_roles.html#task-include-files-and-encouraging-reuse) - Playbook Roles and Include Statements
* [Ansible Docs](http://docs.ansible.com/ansible/user_module.html) - user - Manage user accounts
* [Ansible Docs](http://docs.ansible.com/ansible/authorized_key_module.html) - Authorized_key - Adds or removes an SSH authorized key 
* [Joseph Kahn](https://blog.josephkahn.io/articles/ansible-modules/) - For a Few Ansible Modules More
* [Joseph Kahn](https://blog.josephkahn.io/articles/ansible/) - Ansible or: How I Learned to Stop Wasting Time Setting Up My Computer and Script It

## Containers
* [DEV](https://dev.to/mikesimons/mikes-monster-list-of-docker-tips) - Mikes monster list of docker tips
* [Docker Docs](https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/) - Best practices for writing Dockerfiles
* [Sonatype](http://blog.sonatype.com/docker-devops-new-ordinary) - KISSSSS : good approach to ensure you're successful with containers
* [SlideShare](https://www.slideshare.net/BrianDeHamer/optimizing-docker-images) - Optimizing Docker Images
* [Derek E. Weeks](https://devops.com/21-devops-docker-reference-architectures/) - 21 DevOps and Docker Reference Architectures
* [Csaba Palfi](https://csabapalfi.github.io/random-docker-tips/) - (2014) 24 random docker tips
* [Scarlz](http://www.tricksofthetrades.net/2016/03/14/docker-data-volumes/) - Tricks of the Trades : Docker - Data Volumes and Data Containers
* [Deni Bertovic](https://denibertovic.com/posts/handling-permissions-with-docker-volumes/) - Handling Permissions with Docker Volumes
* [Docker Docs](https://docs.docker.com/engine/swarm/secrets/) - Manage sensitive data with Docker secrets
* [tcnksm/docker-alias](https://github.com/tcnksm/docker-alias/blob/master/zshrc) - Docker aliases
* [James Turnbull](https://kartar.net/2014/03/useful-docker-bash-functions-and-aliases/) - Useful Docker Bash Functions And Aliases
* [Lucas Carlson](https://www.ctl.io/developers/blog/post/15-quick-docker-tips/) - (2014) 15 Quick Docker Tips
* [Docker Store](https://store.docker.com/search?q=source%3Dverified&source=verified&type=image) - Containers from verified source
* [Denis Gladkikh](https://www.splunk.com/blog/2015/08/24/collecting-docker-logs-and-stats-with-splunk/) - Collecting docker logs and stats with Splunk
* [Docker Docs](https://docs.docker.com/engine/admin/logging/splunk/) - Splunk logging driver
* [Denis Gladkikh](https://www.splunk.com/blog/2015/12/16/splunk-logging-driver-for-docker/) - Splunk Logging Driver for Docker
* [Yohan Liyanage](http://blog.yohanliyanage.com/2015/05/docker-clean-up-after-yourself/) - Docker – Clean Up After Yourself!
* [Docker Docs](https://docs.docker.com/engine/reference/commandline/build/) - docker build
* [Docker Docs](https://docs.docker.com/engine/reference/commandline/run/) - docker run
* [Docker Docs](https://docs.docker.com/engine/reference/commandline/exec/) - docker exec
* [Docker Docs](https://docs.docker.com/engine/reference/commandline/commit/#examples) - docker commit examples
* [Flux7 Labs](http://blog.flux7.com/blogs/docker/docker-tutorial-series-part-9-10-docker-remote-api-commands-for-images) - 10 Docker Remote API Commands for Images 
* [Docker Forums](https://forums.docker.com/t/command-to-remove-all-unused-images/20/5) - Command to remove all unused images
* [Stack Overflow](https://stackoverflow.com/questions/30604846/docker-error-no-space-left-on-device) - Docker error : no space left on device
* [James Coyle](https://www.jamescoyle.net/how-to/1512-export-and-import-a-docker-image-between-nodes) - Export and Import a Docker Image Between Nodes
* [rhmjs/satellite5-docker](https://github.com/rhmjs/satellite5-docker/blob/master/README.md) - RHEL6 containers on a RHEL7 host registered to Satellite 5
* [Red Hat Customer Portal](https://access.redhat.com/containers/#/explore) - Red Hat Container Catalog
* [Derek Chamorro](https://developer.atlassian.com/blog/2016/06/common-dockerfile-mistakes/) - Common Dockerfile Mistakes
* [Project Atomic](http://docs.projectatomic.io/container-best-practices/) - Container Best Practices
* [jwilder/docker-squash](https://github.com/jwilder/docker-squash) - Squash docker images to make them smaller
* [Jason Wilder](http://jasonwilder.com/blog/2014/08/19/squashing-docker-images/) - Squashing Docker Images
* [Jason Wilder](https://github.com/jwilder/dockerize) - dockerize : Utility to simplify running applications in docker containers
* [Nicolas Schoemaeker](https://nschoe.com/articles/2016-07-03-Docker-Taming-the-Beast-Part-2.html) - Docker: Taming the Beast - Part II
* [Nicolas Schoemaeker](https://nschoe.com/articles/2016-10-12-Docker-Taming-the-Beast-Part-3.html) - Docker: Taming the Beast - Part III: Building Images

## Jenkins
* [Plugins Index](https://plugins.jenkins.io/)
* [Cloudbees](https://support.cloudbees.com/hc/en-us/articles/226122247-How-to-Customize-Checkout-for-Pipeline-Multibranch) - How to Customize Checkout for Pipeline Multibranch
* [Joel Wilsson](https://wjoel.com/posts/ansible-jenkins-pipeline-part-1.html) - Creating Jenkins pipelines with Ansible, Part 1. See also [Part 2](https://wjoel.com/posts/ansible-jenkins-pipeline-part-2.html)
* [Robert Sandell / James Nord](https://www.cloudbees.com/sites/default/files/2016-jenkins-world-no_you_shouldnt_do_that_lessons_from_using_pipeline.pdf) - No, You Shouldn't Do That! Lessons from Using Pipeline
* [Wilson Mar](https://wilsonmar.github.io/jenkins2-pipeline) - Jenkins2 Pipeline jobs using Groovy code in Jenkinsfile
* [tuxfight3r](https://gist.github.com/tuxfight3r/eca9442ff76649b057ab) - Decrypting Jenkins password 
* [Jenkins](https://jenkins.io/doc/pipeline/steps/workflow-basic-steps/) - Pipeline Basic Steps
* [Jenkins](https://jenkins.io/doc/pipeline/examples/) - Pipeline Examples 
* [Jenkins](https://jenkins.ci.cloudbees.com/job/core/job/acceptance-test-harness-stable/changes) - Latest builds of Jenkins acceptance-test-harness-stable. See also [The new Jenkins CI page](https://ci.jenkins.io/)

## OpenShift
* [OpenShift Docs](https://ci.openshift.redhat.com/openshift-docs-master-testing/latest/welcome/index.html) - OpenShift Latest Documentation
* [Marek Jelen](https://blog.openshift.com/deploying-from-private-git-repositories/) - Deploying From Private Git Repositories
* [OpenShift Docs](https://docs.openshift.org/latest/minishift/using/interacting-with-openshift.html) - Interacting with OpenShift - Using Minishift
* [OpenShift Docs](https://docs.openshift.com/enterprise/3.1/cli_reference/basic_cli_operations.html) - Developer CLI Operations
* [Rafael Benevides](https://developers.redhat.com/blog/2016/10/11/four-creative-ways-to-create-an-openshiftkubernetes-dev-environment/) - Four creative ways to create an OpenShift/Kubernetes dev environment
* [Chris Houseknecht](https://galaxy.ansible.com/chouseknecht/minishift-up-role/) - Ansible Galaxy : chouseknecht.minishift-up-role - Run OpenShift locally using minishift
* [OpenShift Docs](https://docs.openshift.com/enterprise/3.0/admin_guide/http_proxies.html) - Working with HTTP Proxies
* [OpenShift Docs](https://docs.openshift.org/latest/dev_guide/builds/build_inputs.html#using-a-proxy-for-git-cloning) - Using a Proxy for Git cloning
* [OpenShift Docs](https://docs.openshift.org/latest/dev_guide/builds/index.html) - How Builds Work
* [OpenShift Docs](https://docs.openshift.com/enterprise/3.1/dev_guide/builds.html) - Builds
* [OpenShift Docs](https://docs.openshift.org/latest/minishift/getting-started/installing.html) - Installing Minishift 
* [OpenShift Docs](https://docs.openshift.com/enterprise/3.1/dev_guide/deployments.html) - Deployments
* [OpenShift Docs](https://docs.openshift.com/container-platform/3.4/install_config/persistent_storage/persistent_storage_glusterfs.html) - Persistent Storage Using GlusterFS
* [OpenShift Docs](https://access.redhat.com/solutions/1542293) - Troubleshooting OpenShift Container Platform: Basics
* [Red Hat Customer Portal](https://access.redhat.com/documentation/en-us/openshift_enterprise/3.1/html/cluster_administration/admin-guide-sdn-troubleshooting) - Troubleshooting OpenShift SDN
* [openshift/origin](https://github.com/openshift/origin/blob/master/docs/debugging-openshift.md) - Debugging / Troubleshooting OpenShift
* [OpenShift Docs](https://docs.openshift.com/enterprise/3.0/dev_guide/new_app.html) - Creating New Applications
* [OpenShift](https://www.openshift.com/container-platform/resources.html) - Learning Resources (webinars, datasheets, whitepapers, infographic, tools, videos...)
* [OpenShift](https://blog.openshift.com/openshift-v3-deep-dive-docker-kubernetes/) - OpenShift V3 Deep Dive Tutorial | The Next Generation of PaaS
* [OCTO Talks](http://blog.octo.com/openshift-3-le-paas-prive-avec-docker/) - (FR) OpenShift 3 : le PaaS privé avec Docker

# Free Online tools
* [BuiltWith](https://builtwith.com/) - Find out what technology a website is built with 
* [Dillinger] - Online Markdown Editor
* [Air Mail](http://en.getairmail.com/) - temporary email service
* [StackEdit](https://stackedit.io/editor) - in-browser markdown editor
* [XKPasswd](https://xkpasswd.net/s/) - secure memorable password generator inspired by [XKCD](http://xkcd.com/936/)
* [YouTube to MP3 converter](http://www.youtube-mp3.org/) 

# Gaming
* [BoardGameGeek](https://boardgamegeek.com/) - most complete board game database that holds tons of reviews, images and videos
* [IsThereAnyDeal.com](https://isthereanydeal.com/) - keep track of the best deals for video games you'd like to play
* [leereilly/games](https://github.com/leereilly/games) - Games on GitHub - A list of popular/awesome videos games, add-ons, maps, etc.
* [Soldat](https://www.soldat.pl/en/) - Soldat is still one of my favorite multiplayer games for 10+ years, mainly because it's free, its gameplay is simple, the engine can be modded easily and the game uses 2d rendering

# Health and Work-Life Balance
* [Matt Might](http://matt.might.net/articles/work-life-balance/) - Tips for work-life balance
* [Simple Programmer](https://simpleprogrammer.com/2016/01/06/stop-improving-yourself/) - Stop Improving Yourself
* [Adam Smiley Poswolsky](https://www.linkedin.com/pulse/10-truths-finding-meaningful-work-adam-smiley-poswolsky) - The 10 truths about finding meaningful work
* [Tom Goodwin](https://www.linkedin.com/pulse/we-dont-need-teach-our-kids-code-them-how-dream-tom-goodwin) - We don’t need to teach our kids to code, we need to teach them how to dream
* [govdesign](https://github.com/alphagov/govdesign/blob/master/Poster_its-ok-to.pdf) - [PDF] It's ok to ... (poster)
* [Kristin Wong](http://lifehacker.com/the-biggest-wastes-of-time-we-regret-when-we-get-older-1755526646) - The Biggest Wastes of Time We Regret When We Get Older
* [Dr. Travis Bradberry](https://www.linkedin.com/pulse/why-you-should-spend-your-money-experiences-things-bradberry) - Why You Should Spend Your Money on Experiences, Not Things
* [Bob Sutton](https://www.linkedin.com/pulse/why-your-job-becoming-impossible-do-tragedy-overload-bob-sutton) - Why Your Job is Becoming Impossible to Do: The Tragedy of Well-Intentioned Organizational Overload
* [Jen Horton](https://www.linkedin.com/pulse/inevitable-link-between-positivity-perspective-jen-horton) - The Inevitable Link between Positivity and Perspective

# IT OPS
* [Michael Buckbee](https://blog.varonis.com/definitive-guide-to-dns-ttl-settings/) - Definitive Guide to DNS TTL Settings
* [nixCraft](https://www.cyberciti.biz/faq/howto-use-dig-to-find-dns-time-to-live-ttl-values/) - Linux / Unix: Dig Command Find Out TTL (Time to Live) Value For DNS Records
* [DigitalOcean](https://www.digitalocean.com/community/questions/what-do-you-do-with-your-first-five-minutes-on-a-new-server) - What do you do with your first five minutes on a new server? 
* [alicegoldfuss](https://github.com/alicegoldfuss/oncall-handbook) - Tips and tricks for getting through on-call
* [Charity Majors](https://honeycomb.io/blog/2017/04/lies-my-parents-told-me-about-logs/) - Lies My Parents Told Me (About Logs)
* [Fedora](https://mirrors.fedoraproject.org/mirrorlist?repo=epel-6&arch=x86_64) - Fedora Mirrors list for EPEL-6 and arch x86_64 . see also [Fedora Mirror Manager](https://admin.fedoraproject.org/mirrormanager/)
* [Aurore Malherbes](https://www.theodo.fr/blog/2017/05/prevent-command-with-a-specific-option-to-be-run-on-your-server/) - Prevent command with a specific option to be run on your server

# Productivity
* [Medium](https://medium.com/swlh/the-30-second-habit-with-a-lifelong-impact-2c3f948ead98) - The 30 second habit with a lifelong impact
* [Jbrains.ca](http://blog.jbrains.ca/permalink/the-two-minute-rule) - The Two-Minute Rule / When You’re Buried in Email
* [Jbrains.ca](http://blog.jbrains.ca/permalink/flow-requires-focus-not-time) - Flow Requires Focus, Not Time
* [BugMeNot](http://bugmenot.com/) - enter a domain or url and find shared logins
* [The Minds Journal](https://themindsjournal.com/japanese-technique-overcoming-laziness/) - A Japanese Technique for Overcoming Laziness / Kaizen, Or The One-Minute Principle
* [Foundr](https://foundrmag.com/analog-methods-for-getting-things-done-superpower-your-productivity-with-pen-and-paper/) - GTD : Superpower Your Productivity With Pen and Paper
* [Dr. Travis Bradberry](http://www.huffingtonpost.com/dr-travis-bradberry/11-tweaks-to-your-morning_b_8965072.html) - 11 Tweaks to Your Morning Routine 
* [Gojko Adzic](https://gojko.net/2012/01/23/splitting-user-stories-the-hamburger-method/) - Splitting user stories -- the hamburger method
* [Jeff Haden](https://www.linkedin.com/pulse/10-steps-make-each-day-incredibly-productive-jeff-haden) - 10 Steps to Make Each Day Exceptionally Productive
* [govdesign](https://github.com/alphagov/govdesign) - Lot of useful posters to print 
* [Edouard-Malo HENRY](https://www.linkedin.com/pulse/moving-from-how-why-company-edouard-malo-henry) - Moving from a "how" to a "why" company
* [Dr. Travis Bradberry](https://www.linkedin.com/pulse/20140805002649-50578967-how-successful-people-stay-calm) - How Successful People Stay Calm
* [Wall-Skills](http://wall-skills.com/) - Great 1-pagers to share in your company
* [Corinna Baldauf](http://wall-skills.com/2016/how-to-master-any-skill-badass/) - How to master any skill – Badass

## Troubleshooting
* [pluralsight](https://www.pluralsight.com/blog/it-ops/troubleshooting-tips) - 3 troubleshooting tips that can save you a world of time

# Unix / Linux
* [OSTechNix](https://www.ostechnix.com/securely-permanently-delete-data-linux/) - How To Securely And Permanently Delete Your Data In Linux
* [kahun/awesome-sysadmin](https://github.com/kahun/awesome-sysadmin) - A curated list of amazingly awesome open source sysadmin resources
* [Binh Nguyen](http://www.tldp.org/LDP/Linux-Dictionary/html/index.html) - (2004) Linux Dictionary 
* [Gareth Anderson](http://www.tldp.org/LDP/GNU-Linux-Tools-Summary/html/index.html) - (2006) GNU/Linux Command-Line Tools Summary
* [Sandra Henry-Stocker](http://www.computerworld.com/article/2696541/operating-systems/unix--knowing-your-memory-commands.html) - Unix: Knowing your memory commands
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3184929/linux/lesser-known-but-still-handy-linux-commands.html) - Lesser known but still handy Linux commands
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3152772/linux/17-unix-tricks-for-a-happy-2017.html) - 17 Unix tricks for a happy 2017
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3154741/linux/profiling-your-users.html) - Using Unix commands to profile your users
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3066941/linux/administering-unix-systems-like-your-mom-taught-you.html) - Administering Unix systems like your mom taught you
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3069981/linux/the-linux-command-that-you-should-never-say-out-loud.html) - thefuck : The Linux command that you should never say out loud
* [Scott Rippee](http://www.hypexr.org/linux_scp_help.php) - Example syntax for Secure Copy (scp)
* [Sandra Henry-Stocker](http://www.computerworld.com/article/2974753/linux/doing-math-with-awk.html) - Doing math with awk
* [Sandra Henry-Stocker](http://www.computerworld.com/article/2968352/linux/tricks-to-play-with-vim.html) - Tricks to play with vim
* [Vim Tips Wiki](http://vim.wikia.com/wiki/Search_and_replace) - Search and replace in VIM
* [zzapper](http://rayninfo.co.uk/vimtips.html) - Best of Vim Tips / compiled from 16 Years of Vi + 10+ years of Vim 
* [nixCraft](https://www.cyberciti.biz/networking/nmap-command-examples-tutorials/) - Top 32 Nmap Command Examples For Sys/Network Admins
* [Lakshmanan Ganapathy](http://www.thegeekstuff.com/2012/08/lsof-command-examples) - 15 Linux lsof Command Examples (Identify Open Files)
* [The Geek Stuff](http://www.thegeekstuff.com/2010/11/50-linux-commands/) - 50 Most Frequently Used UNIX / Linux Commands (With Examples)
* [Command line fu](http://www.commandlinefu.com/commands/browse) - a place to find those command-line gems that you return to again and again.
* [Ramesh Natarajan](http://www.thegeekstuff.com/2011/06/iptables-rules-examples/) - 25 Most Frequently Used Linux IPTables Rules Examples
* [The Geek Stuff](http://www.thegeekstuff.com/2010/09/linux-one-liners/) - 6 Useful Linux One Liners
* [Maxim Chernyak](http://hakunin.com/permissions) - Linux permissions cheatsheet 
* [Corinna Baldauf](http://wall-skills.com/2015/the-find-command-in-examples/) - The find command in examples

## Troubleshooting
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3196138/linux/whos-hogging-the-network.html) - Who's hogging the network? Bandwidth usage on a Linux system
* [Narad Shrestha](https://www.tecmint.com/12-tcpdump-commands-a-network-sniffer-tool/) - 12 Tcpdump Commands – A Network Sniffer Tool
* [Edoceo](http://edoceo.com/cli/tcpdump) - tcpdump examples
* [rationallyPARANOID](https://rationallyparanoid.com/articles/tcpdump.html) - Tcpdump usage examples
* [Sebastien Wains](https://www.wains.be/pub/networking/tcpdump_advanced_filters.txt) - tcpdump advanced filters
* [Ravi Saive](https://www.tecmint.com/20-netstat-commands-for-linux-network-management/) - 20 Netstat Commands for Linux Network Management
* [Milosz Galazka](https://blog.sleeplessbeastie.eu/2013/10/31/how-to-deal-with-dmesg-timestamps/) - How to deal with dmesg timestamps
* [Stack Exchange](https://unix.stackexchange.com/questions/68523/find-and-remove-large-files-that-are-open-but-have-been-deleted) - Find and remove large files that are open but have been deleted
* [Phil Rzewski](https://sysdig.com/blog/linux-troubleshooting-cheatsheet/) - Linux Troubleshooting Cheatsheet: strace, htop, lsof, tcpdump, iftop & sysdig

# Music 
* [Rate Your Music](https://rateyourmusic.com/) - one of the most complete music database for cataloging, tagging and reviewing your music collection 
* [TasteKid](https://tastedive.com/) - get recommendations for music but also tv shows, films, games, books... 

# Photography
* [Exposure-Mat](http://expomat.tripod.com) - build yourself a free light meter that fits in your wallet.

# Programming
* [Mastodon](https://instances.mastodon.xyz/list) - take a break from twitter and switch to one of mastodon instances. 
* [InfoQ](https://www.infoq.com/) - news, videos, books for software developer s
* [/r/programming](https://www.reddit.com/r/programming/) - reddit about programming
* [Hack Reactor](http://www.hackreactor.com/blog/infographic-laurie-voss-things-everyone-knows-except-you) - Infographic of productivity tips for developers, to share with your teammates 
* [javarevisited](http://javarevisited.blogspot.be/2015/08/how-to-become-better-interviewer-programming.html) - 11 Tips to become a better Interviewer?
* [10 C99 tricks](https://blog.noctua-software.com/c-tricks.html)
* [Java Performance Tuning](http://www.javaperformancetuning.com/) - regular tips and news about java performance tuning
* [Joël Spolsky](https://www.joelonsoftware.com/2000/08/09/the-joel-test-12-steps-to-better-code/) - The Joel Test: 12 Steps to Better Code
* [Corinna Baldauf](http://wall-skills.com/2016/agile-engineering-self-assessment/) - Agile Engineering Self Assessment
* [Emiliano Soldi](https://www.linkedin.com/pulse/relentlessly-avoid-technical-debt-emiliano-soldi) - Relentlessly Avoid Technical Debt
* [Hadi Hariri](https://www.youtube.com/watch?v=3wyd6J3yjcs) - (Video) The Silver Bullet Syndrome (Devoxx Brussels 2015)
* [Stack Exchange](https://codereview.stackexchange.com/) - Stack Exchange for code reviews
* [Nick Janetakis](https://nickjanetakis.com/blog/how-to-pick-a-good-monitor-for-software-development) - How to Pick a Good Monitor for Software Development

## Clean Code
* [Clean Code Cheat Sheet v2.4](http://www.planetgeek.ch/2014/11/18/clean-code-cheat-sheet-v-2-4/) - cheat sheet for clean code
* [Corinna Baldauf](http://wall-skills.com/2014/simplicity-rules-from-extreme-programming/) - Simplicity Rules (from eXtreme Programming)

## ChatOps
* [nixCraft](https://www.cyberciti.biz/open-source/awesome-chatops-foss-software-for-conversation-driven-development-management/) - 7 Awesome ChatOps Open Source Software For Conversation-driven Development and Management

## Debugging
* [The Geek Stuff](http://www.thegeekstuff.com/2010/03/debug-c-program-using-gdb/) - How to Debug C Program using gdb in 6 Simple Steps

## Gamedev
* [libgdx/libgdx](https://github.com/libgdx/libgdx) - libgdx : Desktop/Android/HTML5/iOS Java game development framework
* [faiface/pixel](https://github.com/faiface/pixel) - Pixel : A hand-crafted 2D game library in Go.
* [angel2d](https://github.com/angel2d/angel2d) - Angel 2D : A cross-platform 2D game prototyping framework based on OpenGL and C++. Looks dead...

## Git
* [Dissecting Git's Guts - Git Merge 2016](https://www.youtube.com/watch?v=Y2Msq90ZknI) + [Cheat Sheet of git commands](https://github.com/emilyxxie/gits_guts_commands/blob/master/git_cheat_sheet.pdf)
* [20 Tricks with Git and Shell - Git Merge 2016](https://www.youtube.com/watch?v=d-T51nhmFhQ)
* [25 Tips for Intermediate Git Users](https://www.andyjeffries.co.uk/25-tips-for-intermediate-git-users/) 
* [James Coyle](https://www.jamescoyle.net/how-to/1891-git-ssl-certificate-problem-caused-by-self-signed-certificates) - Git SSL Certificate Problem Caused By Self Signed Certificates
* [Scott Nonnenberg](https://blog.scottnonnenberg.com/better-git-configuration/) - Better Git configuration. See also the [shared .gitconfig file](https://gist.github.com/scottnonnenberg/fefa3f65fdb3715d25882f3023b31c29)
* [Scott Chacon and Ben Straub](https://git-scm.com/docs/git-config#_variables) - available variables in git config
* [Corinna Baldauf](http://wall-skills.com/2014/git-pretty-so-youve-got-a-mess-on-your-hand/) - git pretty – So you’ve got a mess on your hand …
* [Joseph Kahn](https://blog.josephkahn.io/articles/pre-commit-hooks/) - Pre-commit Hooks: The Good, The Bad & The Ugly

## Go
* [faiface/pixel](https://github.com/faiface/pixel) - Pixel : A hand-crafted 2D game library in Go.

## Productivity
* [Java Code Geeks](https://www.javacodegeeks.com/2013/06/10-productivity-tips-for-software-developers.html) - 10 Productivity tips for software developers
* [Jbrains.ca](http://blog.jbrains.ca/permalink/avoid-distractions-while-programming) - Avoiding Distractions While Programming
* [Moran Danieli-Cohen](https://dev.to/msscohen/3-effective-ways-to-maintain-high-energy-levels-at-work-for-software-engineers) - 3 Effective Ways to Maintain High Energy Levels at Work for Software Engineers
* [Clean Coder Blog](http://blog.cleancoder.com/uncle-bob/2016/05/21/BlueNoYellow.html) - Blue. No! Yellow! Comparative Productivity of Programming Languages
* [Paul Graham](https://www.linkedin.com/pulse/context-switching-developers-paul-graham) - How Context Switching destroys Developers Productivity and how to fix it.
* [Dan Richman](https://www.geekwire.com/2016/just-shut-let-devs-concentrate-programming-expert-advises/) - Just shut up and let your devs concentrate
* [Nick Janetakis](https://nickjanetakis.com/blog/who-else-wants-to-boost-their-productivity-with-tmux) - Who Else Wants to Boost Their Terminal Productivity With tmux?
* [Aurore Malherbes](https://www.theodo.fr/blog/2017/04/become-a-better-developer-with-an-efficient-technical-watch/) - Become a better developer with an efficient technical watch
* [Joseph Kahn](https://blog.josephkahn.io/articles/ansible/) - Ansible or: How I Learned to Stop Wasting Time Setting Up My Computer and Script It

## Programmer humor
* [CommitStrip](http://www.commitstrip.com/en) - daily life of developers
* [Geek&Poke](http://geek-and-poke.com/) - cartoons
* [The Profound Programmer](http://theprofoundprogrammer.com/) - Programming frustrations expressed through profane, beautiful photographs

# Scripting
* [Bash Hackers Wiki](http://wiki.bash-hackers.org/scripting/obsolete) - obsolete and deprecated syntax
* [Bash Pitfalls](http://mywiki.wooledge.org/BashPitfalls) - common errors that Bash programmers make
* [ShellCheck](https://www.shellcheck.net/) - finds bugs in your shell scripts.
* [Nicola Paolucci](https://developer.atlassian.com/blog/2015/02/ten-tips-for-wonderful-bash-productivity/) - Ten tips for wonderful bash productivity
* [blockloop.io](https://www.blockloop.io/mastering-bash-and-terminal) - Mastering Bash and Terminal
* [kvz.io](http://kvz.io/blog/2013/11/21/bash-best-practices/) - Best Practices for Writing Bash Scripts
* [Matt Might](http://matt.might.net/articles/shell-scripts-for-passive-voice-weasel-words-duplicates/) - 3 shell scripts to improve your writing
* [Quickshiftin](https://quickshiftin.com/blog/2014/01/template-method-pattern-bash/) - Template method pattern in BASH
* [Fahd Shariff](http://fahdshariff.blogspot.be/2013/10/shell-scripting-best-practices.html) - Shell Scripting - Best Practices
* [Fahd Shariff](http://fahdshariff.blogspot.be/2017/05/shell-scripting-and.html) - Shell Scripting: <, << and <<<
* [Nitin Bhadauria](http://www.tothenew.com/blog/foolproof-your-bash-script-some-best-practices/) - Foolproof Your Bash Script – Some Best Practices
* [David Pashley](http://www.davidpashley.com/articles/writing-robust-shell-scripts/) - Writing Robust Bash Shell Scripts
* [Paul Armstrong](https://google.github.io/styleguide/shell.xml) - Shell Style Guide by Google
* [Aaron Maxwell](http://redsymbol.net/articles/unofficial-bash-strict-mode/) - Use the Unofficial Bash Strict Mode (Unless You Looove Debugging)
* [Aaron Maxwell](http://redsymbol.net/articles/bash-exit-traps/) - How "Exit Traps" Can Make Your Bash Scripts Way More Robust And Reliable
* [Ray Smith](http://assets.en.oreilly.com/1/event/12/Shell%20Scripting%20Craftsmanship%20Presentation%201.pdf) - [PDF] Shell Scripting Craftsmanship
* [Pádraig Brady](http://www.pixelbeat.org/programming/shell_script_mistakes.html) - Common shell script mistakes
* [Mendel Cooper](http://www.tldp.org/LDP/abs/html/index.html) - Advanced Bash-Scripting Guide / An in-depth exploration of the art of shell scripting
* [chrisallenlane/cheat](https://github.com/chrisallenlane/cheat) - cheat allows you to create and view interactive cheatsheets on the command-line. You can obviously improve the existing ones with your own content. It's also inspiring for shell aliases creation
* [explainshell.com](https://explainshell.com/) - write down a command-line to see the help text that matches each argument
* [bats] - Bash Automated Testing System
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3015657/linux/changing-how-bash-behaves.html) - Changing how bash behaves
* [FLOZz' MISC](http://misc.flogisoft.com/bash/tip_colors_and_formatting) - Bash tips: Colors and formatting
* [SS64.com](https://ss64.com/bash/) - An A-Z Index of the Bash command line for Linux.
* [SS64.com](https://ss64.com/bash/syntax-keyboard.html) - Bash Keyboard Shortcuts

## Shell Aliases
* [oh-my-zsh](https://github.com/robbyrussell/oh-my-zsh/blob/master/plugins/common-aliases/common-aliases.plugin.zsh) - common aliases from oh-my-zsh
* [nixCraft](https://www.cyberciti.biz/tips/bash-aliases-mac-centos-linux-unix.html) - 30 Handy Bash Shell Aliases For Linux / Unix / Mac OS X
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3121790/linux/making-troubleshooting-with-lsof-easier.html) - Unix tips: Making troubleshooting with lsof easier. See also [Unix commands: Troubleshooting with lsof](http://www.computerworld.com/article/3119775/linux/troubleshooting-with-lsof.html)
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3085495/linux/unix-aliases-for-good-and-evil.html) - Unix aliases for good and evil
* [tcnksm](https://github.com/tcnksm/docker-alias/blob/master/zshrc) - Docker aliases for zsh
* [James Turnbull](https://kartar.net/2014/03/useful-docker-bash-functions-and-aliases/) - Useful Docker Bash Functions And Aliases

# Security / Infosec
* [highon.coffee](https://highon.coffee/blog/penetration-testing-tools-cheat-sheet/) - Penetration Testing Tools Cheat Sheet

# Testing
* [Aaron Maxwell](http://redsymbol.net/articles/build-test-automation-system/) - Building a Automated Testing/Quality Assurance System
* [bats] - Bash Automated Testing System

# Windows
* [NSSM](https://nssm.cc/commands) - the Non-Sucking Service Manager

[Dillinger]: <http://dillinger.io>
[bats]: <https://github.com/sstephenson/bats>