Source: Issue: can’t login when reverse proxy is activated – Grafana / Configuration – Grafana Labs Community Forums

Source: Add-On Configuration | Home Assistant Developer Docs

iptables -A INPUT -p tcp --dport 1234 -m state --state NEW -j ACCEPT

iptables -I INPUT -p tcp --dport 1234 -m hashlimit --hashlimit-mode srcip,srcport --hashlimit-name HASHNAME --hashlimit-htable-max 5000 --hashlimit-htable-expire 10000 --hashlimit-above 5/sec -j DROP

Source: tcp – iptables/haproxy limit packets per second – Server Fault

This integration can expose regular shell commands as services. Services can be called from a script or in automation. Shell commands aren’t allowed for a camel-case naming, please use lowercase naming only and separate the names with underscores.

Source: Shell Command – Home Assistant

Instead of Cron jobs you could schedule it directly into HA using automation and shell commands. I have tons of these that I use for various purposes and doing it in HA has the added benefit of being able to set conditions on which scripts to execute and when. For example, here is what I use to truncate my log every hour:

shell_commands.yaml:

shell_rotate_log: '/config/logreset.sh'

automation:

alias: 'Schedule: Clear Logs Each Hour'
description: ''
trigger:
  - platform: time_pattern
    hours: /1
    minutes: '59'
condition: []
action:
  - service: shell_command.shell_rotate_log
    data: {}
mode: single

Source: Help needed – Cron job not working with HA OS – Configuration – Home Assistant Community

https://forum.arduino.cc/t/esp32-serial-read-to-slow/632748

If it’s a corrupt MP4 video:

ffmpeg -i input.mp4 -c copy output.mp4

https://www.stellarinfo.com/blog/repair-corrupt-videos-using-ffmpeg/