[WatchYourLAN] Network IP scanner

ericg · October 19, 2024, 12:37pm

WatchYourLAN for YunoHost

Working status

Overview

Lightweight network IP scanner with web GUI.

Features

end notification when new host is found
Monitor hosts online/offline history
Keep a list of all hosts in the network
Send data to InfluxDB2 to make a Grafana dashboard

Shipped version: 2.0.3~ynh1

Screenshots

Documentation and resources

Upstream YunoHost code repository: https://github.com/YunoHost-Apps/watchyourlan_ynh
Official admin documentation: https://github.com/aceberg/WatchYourLAN/blob/main/docs/VLAN_ARP_SCAN.md
Upstream app code repository: https://github.com/aceberg/WatchYourLAN
YunoHost Store: https://apps.yunohost.org/app/watchyourlan
Report a bug: https://github.com/YunoHost-Apps/watchyourlan_ynh/issues

jarod5001 · October 19, 2024, 2:45pm

I am getting

oct. 19 15:44:18 watchyourlan[15137]: 2024/10/19 15:44:18 ERROR exec: "arp-scan": executable file not found in $PATH

In the service log
YunoHost 12

ericg · October 19, 2024, 2:59pm

you can fix this with
sudo apt install arp-scan

The package have been updated.

jarod5001 · October 19, 2024, 4:10pm

Now I am getting

oct. 19 17:08:21 watchyourlan[15792]: 2024/10/19 17:08:21 ERROR signal: bad system call

I have changed interfaces to enp0s3 which is the interface of the server
Edit : this error seems to be related to restrictive systemd settings

ericg · October 19, 2024, 6:07pm

The app needs to be fine tuned. Don’t hesitate to PR your findings

jarod5001 · October 21, 2024, 9:44am

I think it’s ready, have a look at it

ericg · October 21, 2024, 12:04pm

Thanks for the PR

jarod5001 · October 21, 2024, 12:38pm

You’re welcome

MokuJinJin · September 25, 2025, 11:29am

i’m getting (in service log)

sept. 25 13:26:38 watchyourlan[1665551]: 2025/09/25 13:26:38 DEBUG /usr/sbin/arp-scan -glNx -I enp2s0
sept. 25 13:26:38 watchyourlan[1665551]: 2025/09/25 13:26:38 ERROR exit status 1
sept. 25 13:26:38 watchyourlan[1665551]: 2025/09/25 13:26:38 DEBUG Found IPs:

YunoHost 12.1.25 (stable)
WatchYourLAN 2.1.3~ynh1
dpkg --print-architecture amd64