Category Archives: FLOSS
When Pi-hole + Unbound Stop Resolving: A DNSSEC Trust Anchor Fix
I have my own private DNS setup in my home network, powered by Pi-hole running on my very first Raspberry Pi, a humble Model B Rev 2. It’s been quietly handling ad-blocking and DNS resolution for years. But today, something … Continue reading
Posted in FLOSS, RaspberryPi
Tagged dns, DNSSEC, PiHole, RaspberryPi, SysAdmin, Troubleshooting, Unbound
Leave a comment
Why Systemd Timers Outshine Cron Jobs
For decades, cron has been the trusty workhorse for scheduling tasks on Linux systems. Need to run a backup script daily? cron was your go-to. But as modern systems evolve and demand more robust, flexible, and integrated solutions, systemd timers … Continue reading
Posted in FLOSS, Tips/Code Snippets
Tagged automation, DevOps, linux, SysAdmin, systemd, Tech Insights
Leave a comment
Upgrading Raspbian 8 (Jessie) to Raspbian 9 (Stretch)
I decided to upgrade my oldest Raspberry Pi to the latest Raspbian. Since I was two releases behind, I decided to do it step-by-step. Today I updated from 8 – 9. I plan. to perform similar steps to upgrade 9 … Continue reading
Raspberry Pi – rsyslog fixes on Raspbian 8 (Jessie)
One of my Raspberry Pi (Raspberry Pi Model B Rev 2) is running quite old versio of Rasbian – although fully updated and patched. Today while checking the syslog on my raspberry pi, I noticed the following error which was … Continue reading
Apt Pinning in Raspbian
Quite sometime back I wrote a blog entry on apt-pinning to mix multiple repositories in debian and prioritize them. Recently, I felt the need to do the same on my raspberry pi. I use rsnapshot to backup remote systems. Rsnapshot … Continue reading