TechOverflow blog

How to fix FreePBX 15 The Module Named "arimanager" is required.

Categories: FreePBX

Uli Köhler

2021-06-22 0 min read

How to fix Fedora CoreOS rpm-ostree error: Transaction in progress: deploy --lock-finalization revision=... --disallow-downgrade

Categories: CoreOS

Uli Köhler

2021-06-21 1 min read

ESP32 minimal Wifi access point example (PlatformIO / Arduino)

Categories: Electronics, ESP8266/ESP32, PlatformIO

Uli Köhler

2021-06-20 0 min read

How to ping gateway in ESP32

Categories: C/C++, ESP8266/ESP32, Networking

Uli Köhler

2021-06-19 2 min read

How to fix Jupyter Hub Exception: Jupyter command `jupyter-hub` not found.

Categories: Python

Uli Köhler

2021-06-19 1 min read

How to run Jupyter Hub (multi-user mode) using systemd

Categories: Python, Systemd

Uli Köhler

2021-06-19 1 min read

How to run Jupyter Hub (single user mode) using systemd for autostart

Categories: Python, Systemd

Uli Köhler

2021-06-18 1 min read

How to fix Jupyter Hub No such file or directory: 'configurable-http-proxy'

Categories: Python

Uli Köhler

2021-06-18 1 min read

What is the default admin password for OpenStage 40 SIP phones?

Categories: Networking

Uli Köhler

2021-06-17 0 min read

What is the "Deployment PIN" for OpenStage 40 SIP IP telephones?

Categories: Networking

Uli Köhler

2021-06-17 0 min read