dnsmichi.at

dnsmichi.at

There is no plan B

There is no plan B

I will always look back at moments like creating a website demo for an interview - a fresh mind, an opportunity to explore life, a challenge to tackle, requiring different and creative ideas.

Three years all-remote at GitLab: Know the unknown unknowns (growth, life, and work)

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Three years all-remote at GitLab: Know the unknown unknowns (growth, life, and work)

2023-03-02 marks my third year at GitLab. I have been very busy in 2022, did not stop much to reflect on great moments. This blog post is a summary, reflection, and shows my true vulnerable self. It may not be 100% applicable to your career aspirations or path to follow.

Docker CLI behind a Squid proxy

Docker CLI behind a Squid proxy

While helping analyse a problem with docker-machine behind an HTTP proxy, I figured that I have never setup a squid proxy with Docker myself, and wanted to see what I can learn.. Docker-machine docker errorHi Michi, I am not sure what you are asking for ie context/URL, I simply

My KubeCon EU experience: First time in person, meeting friends, and speaking

My KubeCon EU experience: First time in person, meeting friends, and speaking

KubeCon EU was special, for many reasons. One of them was to finally meet friends, old and new, for the first time ... or after a very long time. I'm as excited as 2 years ago when I joined @gitlab on March 2nd, 2020, onboarding month and ready to meet everyone

Disable UFW BLOCK messages in syslog on Ubuntu

ufw a firewall on Ubuntu works great, except for logging too verbose into the syslog. $ less /var/log/syslog Jun 2 00:00:56 legendiary kernel: [147272.918975] [UFW BLOCK] IN=eth0 OUT= MAC=96:00:00:37:5b:55:d2:bc:7f:6e:34:e3:a3:00 SRC=197.

Ghost v5 upgrade with MySQL 8 collation migration, in Docker compose

Ghost v5 upgrade with MySQL 8 collation migration, in Docker compose

Ghost v5 has been released, the underlying stack for this website, running in containers. In this blog post, I'll look into the upgrade to the latest v4, MySQL8 collation changes, database migrations, and the final v5 upgrade. There are a few required steps for v5: * Upgrade to the latest v4

Docker Desktop alternatives on macOS: podman, nerdctl, Rancher Desktop

Docker Desktop alternatives on macOS: podman, nerdctl, Rancher Desktop

Docker changed its subscription model including Docker Desktop, thus generating more demand for alternatives. In this blog post, we look into podman, nerdctl, and Rancher Desktop as Docker Desktop alternatives on macOS. The Docker Desktop subscription changes [https://www.docker.com/blog/updating-product-subscriptions/] required a new agreement until January 31,

New ZSH theme on macOS: Powerlevel10k

New ZSH theme on macOS: Powerlevel10k

Terminal integrations and themes help with a clear UX, CLI command details, and information on the current versions, name, and path, for example showing the Git branch or not-committed changes. I have been using the Spaceship prompt [https://github.com/spaceship-prompt/spaceship-prompt] with Oh-My-ZSH for a while, but never really

2 years all-remote and my 2022 vision

2 years all-remote and my 2022 vision

Two years all-remote feels different throughout a pandemic and is nowhere near what I had planned. I needed to adjust to the situation and make it a different, challenging, yet exciting adventure. This blog post will focus on remote work, my challenges, growth, mistakes, and success. Let's start ... wait. Shoutout

How Polywork helps Developer Relations

How Polywork helps Developer Relations

If you haven't heard about it, Polywork aims to be your professional space to showcase all the amazing things you do - work projects, talks, podcasts, blog posts, side projects, open source, NFTs & more. In this blog post, I'll share my experiences adopting Polywork into my role as Senior Developer

Fedora 34: NVIDIA kernel module missing falling back to nouveau - GPU ignored

Fedora 34: NVIDIA kernel module missing falling back to nouveau - GPU ignored

My 10 years old Linux desktop is running Fedora, with the NVIDIA Geforce GTX 660 Ti graphics card. For the driver, I've been using RPMFusion's akmods [https://rpmfusion.org/Packaging/KernelModules/Akmods] tool to have the kernel modules built at boot time in case. After an update last week, Fedora

Macbook Pro 16 2019 heat problem with external display

Updated 2023-06-16: After 3 years, I was eligible for a Macbook refresh. I "solved" the overheating problem with a hardware upgrade to a Macbook Pro 14 inch, M1 Max, 32 GB RAM, 2021 M1 Silicon architecture. The change is documented in my dotfiles. After nearly 2 years of operation, the

Unblock CI/CD pipelines with async needs depedendencies

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Efficient DevSecOps Pipelines in a Cloud Native World - free workshop

Getting started with CI/CD has become more easy with the DevOps platform era [https://about.gitlab.com/blog/2021/08/03/welcome-to-the-devops-platform-era/]. GitLab provides a new pipeline editor to help with onboarding, and allow to prevent common configuration mistakes. Pipelines and their definitions are always changing, and a work

Upgrade to Ghost v4 with Docker Compose

Upgrade to Ghost v4 with Docker Compose

When Ghost 4 [https://ghost.org/changelog/4/] was released earlier this year, I've looked into the upgrade from the initial v3 based setup in docker-compose [https://dnsmichi.at/2020/02/09/new-blog/]. Unfortunately, the container based setup is not officially supported, and there were no upgrade guides [https://ghost.

Efficient pipelines in GitLab CI/CD: Parallel Matrix Builds + !reference

Efficient pipelines in GitLab CI/CD: Parallel Matrix Builds + !reference

Today I was diving deeper into GitLab CI/CD Pipeline Efficiency tricks, after I discovered resuable job attributes with !reference [https://dnsmichi.at/2021/09/17/reusable-job-attributes-in-other-jobs-in-gitlab-ci-cd-with-reference/] last week. Resource optimization is a big topic, and next to ideas on failing fast, I was looking into more parallelization. Luckily GitLab

Reusable job attributes in other jobs in GitLab CI/CD with !reference

Reusable job attributes in other jobs in GitLab CI/CD with !reference

Today I wrote some Python code [https://gitlab.com/dnsmichi/api-playground/-/merge_requests/6] and figured that I do not have linting available with pyflakes in CI/CD. Been reading this great blog post [https://dmerej.info/blog/post/how-i-lint/] and built a short snippet: stages: - lint -

Monitoring Kubernetes with Prometheus and Grafana - free workshop

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Monitoring Kubernetes with Prometheus and Grafana - free workshop

I've seen many changes and best practices in the past 15 years in monitoring. The shift from traditional host/service monitoring to microservices and distributed services has been the most impactful for me. It has been a wild ride to learn Kubernetes and cloud-native environments myself, with the help of

Batch-convert HEIC to JPG with ImageMagick

Batch-convert HEIC to JPG with ImageMagick

Vacation ends, and you'll want to share pictures with friends and team members. Since work and private accounts are separated, you'll navigate to a separate browser window to access your private iCloud account to download the pictures. The downloaded pictures are stored in the raw HEIC format. This format is

All-remote workspace iteration: New audio setup for streaming

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All-remote workspace iteration: New audio setup for streaming

Good audio with a crisp sound makes recorded talks, workshops and live streams a joy to listen. I recently recorded a talk for DockerCon [https://dnsmichi.at/talks/], and was not amazed by the sound quality of the Bose NC 700 bluetooth headset. I got a nice speakers gift from

Learn JSON superpowers with jq - automate GitLab Personal Access Token management

Learn JSON superpowers with jq - automate GitLab Personal Access Token management

I've seen a question on the GitLab forum [https://forum.gitlab.com/t/deleting-personal-access-tokens-via-the-api/50382?u=dnsmichi] about managing Personal Access Tokens (PATs) with the API [https://docs.gitlab.com/ee/api/personal_access_tokens.html]. While trying things, I had a peek into filtering the output and quickly getting

GitLab To-dos for async productivity

GitLab To-dos for async productivity

Use the /todo quick action in an issue to add it as a To-do, and follow-up later.

My 1st year all-remote at GitLab

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My 1st year all-remote at GitLab

Hi 👋 Remember this tweet [https://twitter.com/dnsmichi/status/1234573403002200064] just a few months ago? It was ~2 weeks before life changed drastically, on March 2nd, 2020 ... I made ambitious plans. 1 month onboarding, and then KubeCon EU, travelling Europe and later visiting the US. I was about to meet

Upgrade to macOS Big Sur

Upgrade to macOS Big Sur

When Big Sur was released 2 weeks ago, everyone talked about M1 Silicon compatibility and possible broken things on older Macbooks. macOS Upgrade It downloaded ~13GB and installed it unattended afterwards. No problems logging in and continuing to work :) Homebrew I'm using Homebrew to install CLI tools and apps not

KubeCon NA and beyond

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KubeCon NA and beyond

I started marking interesting sessions on my sched.com profile [https://kccncna20.sched.com/dnsmichi?iframe=no], also knowing about overlaps. I recommend reserving a focus time block after KubeCon to watch parallel sessions on-demand. The keynotes are always insightful and thoughtful, and inclusive. > "Diversity-powered resilience is what #CloudNative [https: