Osbn-Ubuntuusers

Short tip: WireGuard VPN via FRITZ!Box and Network Manager

Jan 12, 2023 · 2 min read · kurztipp ·

The biggest highlight of the recently released FRITZ!OS version 7.50 is the added WireGuard support. Compared to the previous IPSec standard, which can still be used, VPN connections can be set up significantly easier on different platforms. It also offers stronger cryptographic algorithms and better performance …
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Lessons Learned: Vagrant + libvirt under Fedora

Oct 6, 2022 · 2 min read · fedora vagrant ·

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Vagrant is a popular tool when it comes to creating virtual machines on short notice and without further intervention.

Vagrant should not be installed via the official Hashicorp- but via the Fedora repositories - otherwise plugins (like the libvirt integration) have to be compiled manually. I also had compatibility …

Short tip: Rootless Podman + docker-compose under Fedora

Sep 29, 2022 · 2 min read · docker fedora podman kurztipp ·

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Since 2018, there has been a very elegant and lean container runtime, Podman, as an alternative to Docker. Podman offers a smaller attack surface due to omitted background services and is also often pre-installed on Red Hat-like operating systems. With a few tricks, existing docker-compose configurations can still be …
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Short tip: brltty interferes with esptool.py under Pop!_OS

Aug 28, 2022 · 2 min read · esp8266 kurztipp popos ·

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When using ESPHome or esptool.py under Pop!_OS 22.04 I recently encountered the problem that development boards (ESP8266, ESP32) could not be flashed:

 1$ esphome upload hurrdurr.yml
 2INFO Reading configuration hurrdurr.yml...
 3esptool.py v3.3.1
 4Serial port /dev/ttyUSB0
 5Connecting....
 6Chip is ESP8266EX
 7 …

FrOSCon 2022 - back to normal?

Aug 24, 2022 · 1 min read · conference ·

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Last weekend on 20/21.08.2022 it was finally time - the 17th FrOSCon conference in presence took place. After two years of pandemic online events, lectures and workshops took place again at the Bonn-Rhein-Sieg University of Applied Sciences in Sankt Augustin. Exhibitor booths and the obligatory social event on Saturday …
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Deploy Gitea Podman container unattended via Ansible

Mar 29, 2022 · 3 min read · docker gitea podman ·

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Gitea is a popular, lightweight Git frontend that can also be deployed quickly thanks to the Docker image . However, after the container is started, the initial configuration (network options, permissions, database) is done via web interface by default. This is unattractive if you want an unattended and automated …
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Node-RED Flow backups using Git

Feb 9, 2022 · 2 min read · node-red ·

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Node-RED is particularly popular in home automation. For example, the free framework can be used to playfully create processes ("turn on light") that react dynamically to events ("if it's evening") - and that with low-code. The logic clicked together via drag & drop can then be exported via …
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Short tip: Partial Commits with VSCode

Jan 25, 2022 · 1 min read · kurztipp ·

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One of the most important Git best practices is to write commits as atomic as possible - that is, to submit as few changes as possible, but as many as necessary. The advantage is obvious: commits can be reverted individually using git revert. If you mix bug fixes and new features wildly in one commit, you will undo …
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Short tip: Nextcloud + 2FA + CalDAV and CardDAV under iOS

Jan 22, 2022 · 1 min read · nextcloud kurztipp ·

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While setting up my Nextcloud calendar on an iOS device the other day, I encountered the following error:

1CalDAV account verification failed

The error also affected contacts via CardDav - the usual troubleshooting options failed:

Password reset
Using another device
Use different URL and port combinations

Finally, I …

Linux year in review 2021 - my highlights

Dec 22, 2021 · 9 min read ·

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As the year draws to a close, there has once again been a lot going on in the Linux world. In the recently published episode of the FOCUS ON:DevOps podcast, we spent two whole hours discussing all the news in detail.

Time to take a slightly deeper look at my personal top 5.

Probably the biggest highlight for most …