AIS receiver on a Raspberry Pi with RTL-SDR

The automatic identification system (AIS) is an automatic tracking system that uses transponders on ships and is used by vessel traffic services (VTS). AIS information supplements marine radar, which continues to be the primary method of collision avoidance for water transport.

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Monitor a host from a Zabbix Agent (ping / ICMP)

Monitoring my Raspberry Pi network behind NAT is easy using OpenVPN and Zabbix agent/server.

In a few cases, I need to monitor hosts without any possibilities to install OpenVPN and Zabbix agent on it (switchs, routers, wemos, arduinos…).


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Raspberry pi backup using Rsync server and OpenVPN

1. Server setup

1.1 Initial setup

Initial steps :
OpenVPN server
OpenVPN client
Rsync server

Then we are ready for this step !

1.2 Directories

Create folders for our daily backups for “bart” :

sudo mkdir -p /var/backups/raspberry/bart/daily/{1..7}

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