Tangible Bytes

A Web Developer’s Blog

2024 Archive

Posts from 2024

Windows 11 WSL2 and Docker Desktop

I’m a long time Linux user, and a big fan of Docker, Kubernetes, VMs, and containers.

While I love developing on Linux - I do sometimes find it frustrating that I don’t have the same level of access to the Microsoft suite on Linux.

A while ago I had to use a Windows laptop for a few days and tried out using WSL - so most of the time I’m in Linux - I didn’t entirely hate it so when it was time for an upgrade I decided to try the Windows route this time.

I’ve had my new machine for a little over a week now.

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Kubectrl Custom Columns

Kubernetes provides a wide variety of methods for formatting output

The custom columns output lets you print multiple values defined using jsonpath expressions in a tabular output

While outputting scalar values is reasonably intuitive, I couldn’t see in the docs where is says what the format for defining custom-columns is.

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Multiple Git Accounts

If you have multiple account with Gitlab or Github you will find that you can’t use teh same ssh key for both accounts.

The nicest way I have found of configuring this is by putting the different projects in a subfolder - and then using a gitconfig conditional include

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Docker, Firewalls, and Minikube

I’ve had a few problems with docker and firewalls and seem to get a “good enough” solution only to run into trouble again later having forgotten what I’ve done so far.

This is an attempt to make some notes and at least capture where I am up to.

TLDR

  • Disable dockers Iptables
  • Add some firewalld rules
  • Watch out if the Docker interface changes

https://dev.to/soerenmetje/how-to-secure-a-docker-host-using-firewalld-2joo

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