JB Josef Burger
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Blog

Field notes

Development, server administration, networking and other technical projects. Hard-won solutions, worth writing down and sharing.

2 min read

How to use Claude Code with multiple accounts via the CLI

One installation, two profiles. How to keep a personal and a work Claude Code account apart with nothing more than an environment variable and two shell aliases.

Claude Code CLI Workflow

5 min read

How to boot a Raspberry Pi 4 from an NVMe SSD

On a home server the microSD card is the weak point. Here is how to run a Raspberry Pi 4 without one - from the EEPROM update to writing the system onto the SSD.

Raspberry Pi Home server Linux

3 min read

How to change the internal IP address on a Ubiquiti UCG Max or Ultra using the CLI

Sometimes the web interface is not an option. Here is how to move the internal network of a UCG gateway to a different range over SSH, step by step.

Ubiquiti Networking CLI