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RaD / TheRetainFlag.md
Created May 29, 2022 19:44 — forked from Paraphraser/TheRetainFlag.md
MQTT and the retain flag

Tutorial: MQTT and the retain flag

Assumptions and setup

This tutorial assumes:

  • a single computer (like a Raspberry Pi)
  • MQTT broker (like Mosquitto) running
  • the mosquitto_pub and mosquitto_sub commands are available.
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RaD / script.sh
Created May 29, 2022 10:19 — forked from vielhuber/script.sh
PostgreSQL: Backup and restore export import pg_dump with password on command line #sql
# best practice: linux
nano ~/.pgpass
*:5432:*:username:password
chmod 0600 ~/.pgpass
# best practice: windows
edit %APPDATA%\postgresql\pgpass.conf
*:5432:*:username:password
# linux