Thomas D - Kurz zu mir

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With the following ethtool command you can make an individual network port blink.
Can come in handy with the ever changing interface naming conventions of newer Linux distributions.

ethtool -p <interfacename>

How to Create Wavy Shapes & Patterns in CSS

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Go the right way: the Zen of Go coding

1. Write packages, not programs
2. Test everything
3. Write code for reading
4. Be safe by default
5. Wrap errors, don’t flatten
6. Avoid mutable global state
7. Use (structured) concurrency sparingly
8. Decouple code from environment
9. Design for errors
10. Log only actionable information

The security engineer in me especially likes the pointer to the os.Root API to avoid path traversal attacks 🔐

Recently I needed to extend/increase a LVM partition to give it more space:

1. Create a partition on the additional disk: cfdisk /dev/sdb
2. Create a physical volume on the partition: pvcreate /dev/sdb1
3. Add the physical volume to the existing volume group: vgextend vg-foo /dev/sdb1
4. Extend the logical volume to use 100% of the new free space in the volume group (and directly resize the filesystem accordingly): lvextend -r -l +100%FREE /dev/vg-foo/lv-bar

The work moved. It didn't disappear. Whether your organization thrives or drowns depends on whether you've moved with it upstream into design, specifications, guardrails, and the messy human work of reducing ambiguity, or whether you're still standing where the code used to be, wondering why everything feels faster and worse at the same time.

The Work Moved

The Human Web

An introduction to the Human web, and how one can be a part of it.

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Best Practices for Claude Code contains a lot of high-value tips when using agentic coding (most of them apply not only to Claude Code).
Very helpful and reflects my experience using agentic coding tools.

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In some rare cases you might need to copy a file from a VM in Qubes OS to Dom0.
This can be done with the following command in a Dom0 console:

qvm-run --pass-io my-vm 'cat /path/to/file/in/my-vm/file.doc' > /path/fo/file/in/dom0/file.doc

I made some config changes to the .screenrc and wanted to directly apply them to the running Screen without restarting.
Turns out one can trigger a reload of the config inside a running Screen session:

CTRL+a :source ~/.screenrc