21zoo Labs - Assorted Stuff
All articles
Limit Log Disk Space Used by Journald on Linux
Nov 2024
How to exclude metrics from ingestion into your Prometheus server
Sep 2024
How to delete a timeseries / metrics from Prometheus
Jan 2024
Use drone.io to publish a Docker image to ECR and copy files to S3
Sep 2023
Migrate AWS Lambda Golang Functions to the "al2.provided" Runtime
Aug 2023
Run CloudSQL proxy with docker-compose
Jul 2022
Use Gitea as a Auth Provider for oauth2_proxy
Feb 2020
Make "go get" use ssh instead of https
Oct 2019
Go Modules - How to Update All Dependencies
Sep 2019
How to Make a DNS Lookup in Golang
Sep 2019
Prometheus & Kubernetes - Configure to Scrape Pods
Aug 2019
Prometheus Mongodb Exporter - Correct DB User Permissions
Aug 2019
Postgres - Get the Current Number of Open Connections
Jul 2019
Using AppEngine go112 with CloudSQL Postgres - How to set the DB URI?
Jul 2019
How to Calculate the Distance Between Two Lat,Long Points in Golang
Jun 2019
How to Run the Google Firestore Emulator
Jun 2019
How to prevent Nginx from Caching DNS for Proxy Upstreams
May 2019
Reload Nginx config inside a Docker container
May 2019
Golang Sub Tests
May 2019
git push --force-with-lease
May 2019
Interactive Bash Shell in Kubernetes
Apr 2019
How to Forward a Port to Different IP using "nc"
Apr 2019
Delete a Tag from Docker Hub
Mar 2019
drone-gcf - a Google Cloud Function plugin for drone.io
Feb 2019
How to query Prometheus from Python
Nov 2018
Docker - Clean Up Unused Volumes
Oct 2018
Golang HTTP Client - How to not follow redirects
Oct 2018
Golang - Parallelize Tests
Sep 2018
Crontab - run a command every 5 minutes
Sep 2018
Install Deluge Torrent Client on Ubuntu
Aug 2018
How to set a default namespace for "kubectl"
Apr 2018
Golang Cross Compile for Linux Macos and Windows
Apr 2018
How to get the SSL cert expiration date from PEM file
Apr 2018
Prometheus Instrumentation & Metrics Best Practices
Mar 2018
Notes on Programming in C
Mar 2018
What was the best CS paper you read in 2017?
Feb 2018
How to Design a Scalable Rate Limiting Algorithm
Jan 2018
Django SMTP Settings for Gmail
Dec 2017
Remove or Clear Last Login Information on Linux
Dec 2017
Enable Swap on Ubuntu
Dec 2017
Install Docker and Docker Compose on Ubuntu
Dec 2017
Configure SSH to use a Jump Host
Nov 2017
How to define multi-line strings in yaml/yml
Nov 2017
Bash Shell - Append Date to Filename
Nov 2017
Automatically Delete Docker Container After Running
Nov 2017
Disable password access in sshd
Nov 2017
How to create custom Nginx error pages for 404s
Nov 2017
Update Nginx to latest version on Ubuntu
Nov 2017