Sysadmin & DevOps

Tasks in deployment, system administration, and DevOps

Real life SystemD timers

Most blog entries on SystemD timers give trivial samples. This article takes a different approach and provides the full details of two examples of using SystemD timers that are in active use on my systems.

Pi Unbound: The gift of DoT

Keeping your DNS queries from your local network to public DNS servers private in transit by using DNS over TLS on a Raspberry Pi is ridiculously easy.

Linux network monitoring

Linux network monitoring presentation using munin and nagios circa 2006

Real life SystemD timers

Most blog entries on SystemD timers give trivial samples. This article takes a different approach and provides the full details of two examples of using SystemD timers that are in active use on my systems.

Pi Unbound: The gift of DoT

Keeping your DNS queries from your local network to public DNS servers private in transit by using DNS over TLS on a Raspberry Pi is ridiculously easy.

Linux network monitoring

Linux network monitoring presentation using munin and nagios circa 2006

Converting emails: Merge & purge

About the effort to unify, eliminate duplication, delete those older than my ‘data retention policy’, and organize the rest into yearly archives.

ARCHIVED: Debian custom CD

This page will describe the steps used to create a custom debian install cd using a partial mirror mostly gathered from a prototype system’s apt cache.