dot file automation Sharpen and clean your tools to make them last longer. Hone your tools to make them more precise. The tools of a SRE start with the terminal. The terminal is honed sharp with dotfiles. Live your life long enough in a terminal and tweaks and customizations happen. Live longer and when those tweaks are lost from a catastrophe or when you switch machines, you will be hamstrung and saddened going back to nothing....

git revert first checkout the master branch: Git checkout master then run a git log and get the id of the merge commit. git log then revert to that commit: git revert -m 1 <merge-commit> With ‘-m 1’ we tell git to revert to the first parent of the mergecommit on the master branch. -m 2 would specify to revert to the first parent on the develop branch where the merge came from initially....

Github releases There is a nice way to get the latest release from a github repo. as long as it gets tagged as release. I like to be able to pull down the latest version of a release for specific code in automated builds. This helps that. Use curl to get the JSON response for the latest release Use grep to find the line containing file URL Use cut and tr to extract the URL Use wget to download it...

Wiki |-+-+-| |git | chef| ansible| |qmk | tmux| cli |

git-secrets I came across this handy piece of software today, called git-secrets. It is made by awslabs and it acts as a git-hook that will stop you form doing stupid things. https://github.com/awslabs/git-secrets

finding an item in a list python can do a lot of smart things, lets use the python way of finding items in a list. #python 3 tags=[ { "Key": "CreationDate", "Value": "201904011158" }, { "Key": "Name", "Value": "mymagicserver" }, { "Key": "aws:autoscaling:groupName", "Value": "my-rad-asg" }, { "Key": "Environment", "Value": "cloudy" }, { "Key": "name", "Value": "john" }, { "Key": "Department", "Value": "sporting goods" }, { "Key": "Auto-Off", "Value": "no" } ] data = list(filter(lambda x: x["Key"] == "aws:autoscaling:groupName" , tags)) print(data[0]["Value"]) ##brute force way: def bruteforce(mylist) for item in mylist: if item["Key"] == "aws:autoscaling:groupName": return item["Value"] print(bruteforce(tags))

qmk notes there is a bunch of qmk stuff out there this is what you need for qmk and the ergodox ez keyboard… https://docs.qmk.fm/ - qmk documentation https://www.pjrc.com/teensy/loader_linux.html ***if you are programming it with the qmk toolbox make sure that your have karabiner elements turned off docker images qmk builder can be done via docker. This means that it is way easier to build than dealing with all the dependencies for building, just use docker....

#QMK animation Having a keyboard with an oled screen means that you can add things to it. This cute little bongo cat animations or other things. This lets you create all sorts of animations https://githubmemory.com/repo/AskMeAboutBirds/qmk-oled-animation-compressor

Roasting log |-+-+-| 3/16 inside costa rican sonora temp:68 start weight: 4.0 oz end weight: 3.45 oz watt/time temp - time preheat: 275 325 - 7:15 650 4min 200 - 0:30 350 - 8:50 800 4min 225 - 1:15 375 - 9:50 250 - 1:45 400 - 11:10 drop 11:10 275 - 3:30 300 - 5:00 |-+-+-|...

sql server I needed to connect to a sql db this morning and I didn’t have a client. Docker to the rescue! docker run -it mysql /bin/bash mysql -u <myuser> -p -h <myhost> <mydatabase> and done. when using the -p flag it will prompt you for the password instead of having it in the terminal. Simple easy and connected.

sudo make me a sandwich, then I’ll pwn your fridge Sudo is a program for Unix-like computer operating systems that allows users to run programs with the security privileges of another user. wikipedia-sudo Let’s say that we have a folder named /luggage/. The luggage is carrying some incredibly valuable things. Rincewind and twoflower are two users who have been traveling with this luggage for sometime. Because, rincewind doesn’t want twoflower to read the octavo, but is fine if he looks at the camera, both which are located in the in the luggage....

vim scrolling Ctrl-b then [ then you can use your normal navigation keys to scroll around (eg. Up Arrow or PgDn). Press q to quit scroll mode. Selection and copying once in acroll mode spacebar character slect mode once in scroll mode shift+V line select mode once selected y copies to clipboard paste like normal

netcat netcat can work like a portscanner. If it is the only tool that you have you make do. this is going to scan localhost across all of the ports nc -zv 127.0.0.1 1-65535