RPI3b+ -- reboot -> lose IP address?

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st moose

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Jan 25, 2026, 2:10:30 AMJan 25
to motioneye
ok redux (had posted about this issue then thought i did had forgotten to change the DNS IP address as well as the static IP address so that was causing the issue but i had also just changed the time (which requires a reboot) and the IP address was also lost

so to bring everyone up to speed :)

have a RPI3b+ that i had marked has having a bad HDMI port and a few USB cameras - and what does everyone need but more cameras so i thought motioneyeOS :)


first boot allows web access

any change requiring a reboot the RPI loses the IP address

any ideas what might be causing this issue?
thanks


StarbaseSSD

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Jan 25, 2026, 3:38:23 AMJan 25
to motioneye
Did you follow the instructions here:?
https://github.com/ccrisan/thingos/wiki/static_ip.conf
(this is found on the right hand side of the page you referenced in your setup under 
Configuration
static_ip.conf
Otherwise you are at the whim of your dhcp server/router...

st moose

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Jan 25, 2026, 5:16:25 PMJan 25
to motioneye
had not looked at static_ip.conf - but did after you mentioned it - modified the IP addresses and reboot but still not able to connect

the IP that i would like to assign to this RPI is 192.168.1.242 which is just in line with the two other RPIs that i have at 192.168.1.240 and 192.168.1.241 this is outside the DHCP IP address reservation range which is only to 192.168.1.120 but the other 2 RPI havent had no issue so i didnt think this one would -- so i reserved DHCP 192.168.1.120 to this RPI MAC address and booted (successfully) - rebooted (not successfully :(   

burned the SDcard again - IP 192.168.1.120 pings - ssh-ed to 192.168.1.120 - looked for /data/etc/static_ip.conf -- not found -- but wpa_supplicant.conf is present in /data/etc/    -- isnt wpa_supplicant.conf suppose to execute/inject to become static_ip.conf?

looked for static_ip in both /data and /etc -- not there either?

thanks for any help! :)
2026-01-25_15-59-03.jpg

StarbaseSSD

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Jan 25, 2026, 8:06:23 PMJan 25
to motioneye
Start with a clean image, prefer 
Do NOT use RPi-Imager to write to a SDCard. Use almost any other program to write the image to the SDCard. RPi-Imager doesn't play well with 3 partition images like motionEyeOS.
Add your wpa_supplicant.conf file to the boot partition.
create your static.ip.conf file using Notepad++ in Windows, or nano or vi in Linux with the following info:
- - - - -
STATIC_IP="192.168.1.242/24"
STATIC_GW="192.168.1.1"
STATIC_DNS="192.168.1.1"
- - - - -
write it to the boot partition as static_ip.conf
eject safely, and insert into your pi3b and boot.
I just confirmed it works on my setups.

st moose

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Jan 26, 2026, 8:05:59 PMJan 26
to StarbaseSSD, motioneye
thanks for the continuing GREAT tech support!

all working now!

i think the only difference was that you suggested using motioneyeos-raspberrypi3-dev20201026 where i was trying motioneyeos-raspberrypi3-20200606

thanks again! :) 

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