awesome-sysadmin

riting one-off commands that they'll never remember to run again later? ... It may be helpful to format these as Jupyter notebooks with input and output cells. - Ctrl-Shift-Minus splits a cell at the cursor - M and Y toggle a cell between Markdown and code If you don't want to prefix every code cell line with a '!' so that the ipykernel Jupyter python kernel (the default kernel) executes the line with $SHELL, you can instead install and select bash_kernel; though users attempting to run the notebooks interactively would then need to also have bash_kernel installed: https://github.com/takluyver/bash_kernel You can save a notebook .ipynb to any of a number of Markdown and non-Markdown formats https://jupytext.readthedocs.io/en/latest/formats.html#markd... ; unfortunately jupytext only auto-saves to md without output cell content for now: https://github.com/mwouts/jupytext/issues/220 You can make reveal.js slides (that do include outputs) from a notebook: https://gist.github.com/mwouts/04a6dfa571bda5cc59fa1429d1309... With nbconvert, you can manually save an .ipynb Jupyter notebook as Markdown which includes the cell outputs w/ File > "Download as / Export Notebook as" > "Export notebook to Markdown" or with the CLI: https://nbconvert.readthedocs.io/en/latest/usage.html#conver... jupyter convert --to markdown jupyter convert --help With Jupyter Book, you can build an [interactive] book as HTML and/or PDF from multiple Jupyter notebooks as e.g. Markdown documents https://jupyterbook.org/intro.html : jupyter-book build mybook/ ... From https://westurner.github.io/tools/#bash : type bash bash --help help help help type apropos bash info bash man bash man man info info From https://news.ycombinator.com/item?id=22980353 ; this is how dotfiles work: info bash -n "Bash Startup Files" > https://www.gnu.org/software/bash/manual/html_node/Bash-Star... ... Re: dotfiles, losing commands that should've been logged to HISTFILE when running multiple bash sessions and why I wrote usrlog.sh: https://westurner.github.io/hnlog/#comment-20671184 (Ctrl-F for: "dotfiles", "usrlog.sh", "inputrc") https://dotfiles.github.io/ https://github.com/webpro/awesome-dotfiles ... awesome-sysadmin > resources: https://github.com/kahun/awesome-sysadmin#resources

-push style deployment with more of a least privileges approach (which also has more moving parts) you could take a look at: https://github.com/dokku/dokku-scheduler-kubernetes#function... And also reference ansible molecule and testinfra for writing sysadmin tests and the molecule vagrant driver for testing docker configurations. https://www.jeffgeerling.com/blog/2018/testing-your-ansible-... https://molecule.readthedocs.io/en/latest/ https://testinfra.readthedocs.io/en/latest/ : > With Testinfra you can write unit tests in Python to test actual state of your servers configured by management tools like Salt, Ansible, Puppet, Chef and so on. > Testinfra aims to be a Serverspec equivalent in python and is written as a plugin to the powerful Pytest test engine. I wasn't able to find a syllabus or a list of all of the daily posts? Are you focusing on DevOps and/or DevSecOps skills? EDIT: The lessons are Markdown files in a Git repo: https://github.com/snori74/linuxupskillchallenge Links to each lesson, the title and/or subjects of the lesson, and the associated reddit posts might be useful in a Table of Contents in the README.md.

t for System Administrators" (2005) https://landing.google.com/sre/books/ - There's now a "Site Reliability Workbook" to go along with the Google SRE book. Both are free online. https://response.pagerduty.com - The PagerDuty Incident Response Documentation is also free online. - OpsGenie has a free plan also with incident response alerting and on-call management. There are a number of awesome-devops lists. Minikube and microk8s package Kubernetes into a nice bundle of distributed systems components that'll run on Lin, Mac, Win. You can convert docker-compose.yml configs to Kubernetes pods when you decide that it should've been HA with a load balancer SPOF and x.509 certs and a DRP (Disaster Recovery Plan) from the start!