mqtt + node-red + telegram

Setting up a UPS monitor using NUT on a Raspi and mosquitto-clients - Part 2 read more

Quick tip: Older jlnp files fail to start

Make older jlnp files start again using icedtea-web on arch linux. read more

Raspberry pi + Network UPS tools + mqtt

Setting up a UPS monitor using NUT on a Raspi and mosquitto-clients - Part 1 read more

Install Arch GNU/Linux using archfi

How to install a vanilla Arch GNU/Linux using archfi and archdi script in about an hour… read more

Node-red on Debian 9.7

How to install Node-Red flows on a Debian stretch installation… read more

Darktable with AMD Radeon

Enable OpenCL for AMD Radeon GPUs and validate usage in Darktable. read more

Samba4 Active Directory

Setting up a redundant AD DC with samba4 on Debian9 read more

Install own isp style root server using CentOS Web Panel

Use centos web panel to manage your root server read more

Install own isp style root server using VestaCP

Use vestacp to manage your root server read more

Install own isp style root server

Which admin UI should I use? read more

I'm Philipp Häfelfinger

It was 1998 when my journey to become a professional software engineer started. I am highly interested in many aspects of the information technologies. From development to devops and sysops. I like to understand systems as a whole and not just a part of it.

I am a passionate photographer as well.

Feel free to contact me at "blog<at>haefelfinger.ch" or via twitter @haefelfinger

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