docker reboot Every once and a while for prem docker installation a reboot is needed. There are some tools out there that can most likely do this, but today a quick and dirty bash script solved the problem. Step one dump all the running container IDS, today there were about 23 containers running. docker ps -q >>ids Next reboot sudo reboot Finally the bash script to quickly spin them all back up....
bash ssh keys Good to remember if you have ssh keys setup the .ssh folder is 700 and the authorized_keys file is 644 SSH keys are a public and private key that you store on a host that you are going to ssh in to. This key allwos fo r aecure login without having to relay a password through the terminal. It is a more secure form of authentication that the basic username and password....
ELK There is this thing called elk, and I have no idea how to use it. I don’t even know where to being with ELK. I have been using splunk for years, I know how ot do all of this in splunk. But because the data I need is in elk and i cannot easily get it in to splunk I will have to at least start with elk and then go from there....
javascript and node No more just adding things to the package.json HA! To add an entry to your package.json's dependencies: npm install <package_name> --save To add an entry to your package.json's devDependencies: npm install <package_name> --save-dev version numbers and what they actually mean https://docs.npmjs.com/getting-started/semantic-versioning Patch releases: 1.0 or 1.0.x or ~1.0.4 Minor releases: 1 or 1.x or ^1.0.4 Major releases: * or x testing How fast can I fill in all the holes for TDD… not fast enough apparently ;)...
Splunk and nginx Doing some splunkjs work from a docker container, and hosting it out of nginx, which means I needed to configure a proxy pass using some load balancing in order to access the splunk cluster, this was a little tricky because of session persistence and https. nginx load balancing Luckily there are some good pslunk blogs out there that help out configuring-nginx-with-splunk-rest-api-sdk-compatibility and some good reading about splunkjs read them both using-the-splunkjs-stack-part-1...
February in Chicago can be less than sunny, although the sun came out today google analytics seems pretty easy Log in to the google page and create a site google page. Then add the tracking code to the jekyll theme and bam site tracking. fitbit There has been research done around the accuracy of optical heart rate monitors. I knew they were not accurate up past 150 bpm. This is because the blood is flowing too fast for the sensor to keep up with....
Productive Saturday rant Been cranking away at my laptop from 630-830 this morning, and realizing that my ancient mac book air battery which was already replace once, is just a poor shadow of what it should be. I’m only going to get about 3 hours out of this battery before it dies. Which is sad because i really wanted to get a new laptop this year but mac did not really give us any options....
I missed a few day because I was on vacation. I tihnk I want to try and add more context and text around these entires but today was choas and one fire from the next, therefore I didn’t have a chance to really dig in to learning. Sadly fire fighting is turning into too much of my everday, this needs to get chagned so that I can spend more time building tools and learning about things....
shasum Getting a shasum on something… useful so lets do it with this shasum -a 256 <filename> mastering markdown n Now if only i could keep all of this in my head mastering-markdown
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....
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))
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 |-+-+-|...