Blog
Articles about Linux, IT security and open-source software.
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Why Linux is the right choice for your business server
A practical guide for SMEs considering Linux for their server infrastructure – costs, security, reliability and what to expect from a managed Linux environment.
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Upgrading Debian 12 Bookworm to Debian 13 Trixie
Step-by-step guide for safely upgrading from Debian 12 (Bookworm) to Debian 13 (Trixie). With backup advice and common troubleshooting tips.
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The dig Command – DNS Queries from the Command Line
How to use the dig command to query DNS records, check MX records and troubleshoot DNS issues on Linux. Practical examples for systems administrators.