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Author Archives: Tobias Reinhardt

How to Install Python on Ubuntu (Without Breaking Your System)

24 June 2026
by: Tobias Reinhardt
in: Linux/Server Admin
Tags: Linux, pyenv, Python, Ubuntu, virtualenv
note: no comments

Learn how to install Python on Ubuntu correctly — check the preinstalled version, add pip and venv, install Python 3.12 via deadsnakes or pyenv, and avoid breaking system Python.

24 June 2026
by: Tobias Reinhardt
in: Web hosting
Tags: BIND, DNS security, DNS server, named, zone files
note: no comments

A precise guide to the BIND DNS server (named): authoritative vs recursive roles, named.conf, zone files, SOA serials, security, and the failure modes that bite.